


Coastal Waters Forecast
Issued by NWS Boston, MA
Issued by NWS Boston, MA
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045 FZUS51 KBOX 280804 CWFBOX Coastal Waters Forecast for Massachusetts and Rhode Island National Weather Service Boston/Norton MA 404 AM EDT Fri Mar 28 2025 Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM ANZ200-282100- 404 AM EDT Fri Mar 28 2025 .Synopsis for Massachusetts and Rhode Island coastal waters... Today, high pressure moves offshore, a stationary boundary develops this evening into Saturday, extending from west to east from Albany, NY to Provincetown, MA. This provides unsettled weather tonight through this coming weekend. Early Monday a strong cold front approaches from the west, crossing the waters Monday evening, then exits east the waters early Tuesday morning. High pressure briefly returns for Wednesday. $$ ANZ250-282100- Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary- 404 AM EDT Fri Mar 28 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... .TODAY...W winds 15 to 20 kt with gusts up to 30 kt, diminishing to 10 to 15 kt with gusts up to 20 kt this afternoon. Seas 2 to 4 ft. Wave Detail: W 4 ft at 4 seconds and E 2 ft at 8 seconds. .TONIGHT...S winds 5 to 10 kt, becoming E 10 to 15 kt with gusts up to 20 kt after midnight. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and SE 2 ft at 7 seconds. Showers likely after midnight with vsby 1 to 3 NM. .SAT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: NE 4 ft at 5 seconds and W 1 foot at 3 seconds. Rain likely. Patchy fog in the morning with vsby 1 NM or less. .SAT NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: NE 3 ft at 5 seconds and SE 2 ft at 10 seconds. Areas of fog. Patchy drizzle. Rain likely in the evening, then showers likely after midnight. Vsby 1 to 3 NM. .SUN...E winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. Wave Detail: NE 3 ft at 5 seconds and SE 2 ft at 10 seconds. Areas of fog. A chance of showers. Patchy drizzle. Vsby 1 to 3 NM, decreasing to 1 NM or less in the afternoon. .SUN NIGHT...SE winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 5 seconds and SE 2 ft at 10 seconds. A chance of showers with patchy drizzle in the evening, then showers likely after midnight. Areas of fog in the evening with vsby 1 NM or less. .MON AND MON NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft. Showers. .TUE AND TUE NIGHT...N winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ251-282100- Massachusetts Bay and Ipswich Bay- 404 AM EDT Fri Mar 28 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... .TODAY...W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: W 2 ft at 3 seconds and E 1 foot at 8 seconds. .TONIGHT...S winds around 5 kt, becoming E 10 to 15 kt after midnight. Seas 1 foot or less. Wave Detail: W 1 foot at 3 seconds and E 1 foot at 8 seconds. A chance of showers in the evening, then showers likely after midnight with vsby 1 to 3 NM. .SAT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: NE 3 ft at 5 seconds and E 1 foot at 8 seconds. A chance of rain in the morning, then rain likely in the afternoon. Patchy fog in the morning with vsby 1 NM or less. .SAT NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: NE 3 ft at 5 seconds and S 1 foot at 9 seconds. Areas of fog. Patchy drizzle. Rain likely in the evening, then showers likely after midnight. Vsby 1 to 3 NM. .SUN...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 5 seconds and S 1 foot at 9 seconds. Areas of fog. A chance of showers. Patchy drizzle. Vsby 1 to 3 NM, decreasing to 1 NM or less in the afternoon. .SUN NIGHT...SE winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: E 2 ft at 5 seconds and S 1 foot at 3 seconds. A chance of showers with patchy drizzle in the evening, then showers likely after midnight. Areas of fog in the evening with vsby 1 NM or less. .MON AND MON NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 3 ft. Showers. .TUE AND TUE NIGHT...N winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ231-282100- Cape Cod Bay- 404 AM EDT Fri Mar 28 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... .TODAY...W winds 10 to 15 kt with gusts up to 30 kt, diminishing to 5 to 10 kt with gusts up to 20 kt this afternoon. Seas 2 to 4 ft. Wave Detail: W 2 ft at 3 seconds and E 1 foot at 7 seconds. .TONIGHT...S winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: SW 1 foot at 3 seconds and S 1 foot at 7 seconds. A chance of showers in the evening, then showers likely after midnight with vsby 1 to 3 NM. .SAT...SE winds 10 to 15 kt, becoming NE in the afternoon. Gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 8 seconds and SW 1 foot at 3 seconds. A chance of rain. Patchy fog in the morning with vsby 1 NM or less. .SAT NIGHT...NE winds around 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: N 2 ft at 4 seconds and S 2 ft at 9 seconds. Areas of fog. A chance of rain with patchy drizzle in the evening, then a chance of showers with patchy drizzle after midnight. Vsby 1 to 3 NM. .SUN...E winds around 10 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: NE 2 ft at 4 seconds and S 2 ft at 9 seconds. Areas of fog. A chance of showers. Patchy drizzle. Vsby 1 to 3 NM. .SUN NIGHT...SE winds around 10 kt, becoming S after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SE 2 ft at 3 seconds and S 2 ft at 8 seconds. A chance of showers. Patchy drizzle in the evening. Areas of fog in the evening with vsby 1 to 3 NM. .MON AND MON NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. Showers. .TUE...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. A chance of showers. .TUE NIGHT...N winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ254-282100- Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm- 404 AM EDT Fri Mar 28 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... .TODAY...W winds 15 to 20 kt, diminishing to 10 to 15 kt this afternoon. Gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: SW 4 ft at 5 seconds and SE 2 ft at 8 seconds. .TONIGHT...S winds 5 to 10 kt. Seas 2 to 4 ft. Wave Detail: S 2 ft at 7 seconds and W 1 foot at 4 seconds. Showers likely after midnight with vsby 1 to 3 NM. .SAT...S winds 10 to 15 kt, becoming N in the afternoon. Gusts up to 20 kt. Seas 4 to 6 ft. Wave Detail: S 4 ft at 8 seconds and NE 2 ft at 4 seconds. A chance of rain. Patchy fog in the morning with vsby 1 NM or less. .SAT NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. Wave Detail: S 5 ft at 9 seconds and NE 3 ft at 5 seconds. Areas of fog. A chance of rain with patchy drizzle in the evening, then a chance of showers with patchy drizzle after midnight. Vsby 1 to 3 NM. .SUN...E winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Wave Detail: S 4 ft at 9 seconds and NE 3 ft at 5 seconds. Areas of fog. A chance of showers with patchy drizzle in the morning, then patchy drizzle in the afternoon. Vsby 1 to 3 NM. .SUN NIGHT...SE winds 10 to 15 kt, becoming S after midnight. Gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: NE 3 ft at 5 seconds and S 3 ft at 8 seconds. Patchy drizzle in the evening, then a chance of showers after midnight. Areas of fog in the evening with vsby 1 to 3 NM. .MON...S winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft. Showers likely. .MON NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 7 ft. Showers. Vsby 1 to 3 NM. .TUE...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 7 ft. A chance of showers. .TUE NIGHT...N winds around 15 kt with gusts up to 25 kt. Seas 5 to 7 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ255-282100- Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket- 404 AM EDT Fri Mar 28 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON... .TODAY...W winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: S 5 ft at 7 seconds and E 1 foot at 7 seconds. .TONIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SW 4 ft at 7 seconds and E 1 foot at 8 seconds. A chance of showers. Vsby 1 to 3 NM after midnight. .SAT...W winds 10 to 15 kt with gusts up to 20 kt. Seas 5 to 7 ft. Wave Detail: S 6 ft at 8 seconds and E 1 foot at 8 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .SAT NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 5 to 7 ft. Wave Detail: S 7 ft at 9 seconds and NE 1 foot at 3 seconds. Areas of fog. Patchy drizzle. Vsby 1 to 3 NM. .SUN...E winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. Wave Detail: S 6 ft at 8 seconds and NE 2 ft at 4 seconds. Areas of fog. Patchy drizzle. Vsby 1 to 3 NM. .SUN NIGHT...SE winds 10 to 15 kt, becoming S 15 to 20 kt after midnight. Gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: S 5 ft at 7 seconds and NE 2 ft at 5 seconds. Patchy drizzle in the evening, then a chance of showers after midnight. Areas of fog in the evening with vsby 1 to 3 NM. .MON...S winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 7 ft. A chance of showers. .MON NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 6 to 9 ft. Showers. Vsby 1 to 3 NM. .TUE...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 8 ft. A chance of showers. .TUE NIGHT...N winds around 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ256-282100- Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island- 404 AM EDT Fri Mar 28 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON... .TODAY...W winds 15 to 20 kt with gusts up to 30 kt, becoming SW 10 to 15 kt with gusts up to 20 kt this afternoon. Seas 4 to 6 ft. Wave Detail: SW 5 ft at 7 seconds and E 1 foot at 7 seconds. .TONIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: SW 4 ft at 5 seconds and E 1 foot at 8 seconds. A chance of showers. Vsby 1 to 3 NM after midnight. .SAT...SW winds 15 to 20 kt. Seas 5 to 7 ft. Wave Detail: S 6 ft at 8 seconds and E 1 foot at 7 seconds. .SAT NIGHT...E winds around 15 kt, becoming NE after midnight. Gusts up to 25 kt. Seas 5 to 7 ft. Wave Detail: S 7 ft at 9 seconds. Areas of fog. Patchy drizzle. Vsby 1 to 3 NM. .SUN...E winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. Wave Detail: S 6 ft at 8 seconds and NE 2 ft at 4 seconds. Areas of fog. Patchy drizzle. Vsby 1 to 3 NM. .SUN NIGHT...SE winds 10 to 15 kt with gusts up to 20 kt, becoming S 15 to 20 kt with gusts up to 30 kt after midnight. Seas 4 to 5 ft. Wave Detail: S 5 ft at 7 seconds and E 2 ft at 4 seconds. Patchy drizzle in the evening, then a chance of showers after midnight. Areas of fog in the evening with vsby 1 to 3 NM. .MON AND MON NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 8 ft, building to 7 to 8 ft. Showers. Vsby 1 to 3 NM. .TUE...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 6 to 8 ft. A chance of showers. .TUE NIGHT...N winds 15 to 20 kt. Seas 4 to 6 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ232-282100- Nantucket Sound- 404 AM EDT Fri Mar 28 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... .TODAY...W winds 15 to 20 kt, diminishing to 10 to 15 kt this afternoon. Gusts up to 30 kt. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 4 seconds and S 2 ft at 7 seconds. .TONIGHT...SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 6 seconds and SW 1 foot at 3 seconds. A chance of showers in the evening, then showers likely after midnight with vsby 1 to 3 NM. .SAT...SW winds 10 to 15 kt, becoming NW in the afternoon. Gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: SE 2 ft at 7 seconds and SW 1 foot at 3 seconds. Patchy fog in the morning with vsby 1 NM or less. .SAT NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: NE 2 ft at 3 seconds and S 2 ft at 9 seconds. Areas of fog. A chance of rain with patchy drizzle in the evening, then a chance of showers with patchy drizzle after midnight. Vsby 1 to 3 NM. .SUN...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: NE 2 ft at 3 seconds and S 2 ft at 8 seconds. Areas of fog. Patchy drizzle. Vsby 1 to 3 NM. .SUN NIGHT...SE winds 10 to 15 kt, becoming S after midnight. Gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 3 seconds and S 2 ft at 8 seconds. A chance of showers. Patchy drizzle in the evening. Areas of fog in the evening with vsby 1 to 3 NM. .MON...S winds 20 to 25 kt with gusts up to 30 kt. Seas 2 to 4 ft. Showers. .MON NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft. Showers. Vsby 1 to 3 NM. .TUE...N winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers. .TUE NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ233-282100- Vineyard Sound- 404 AM EDT Fri Mar 28 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... .TODAY...W winds 15 to 20 kt with gusts up to 30 kt, becoming SW 10 to 15 kt with gusts up to 20 kt this afternoon. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 6 seconds and E 1 foot at 7 seconds. .TONIGHT...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 6 seconds and E 1 foot at 8 seconds. A chance of showers in the evening, then showers likely after midnight with vsby 1 to 3 NM. .SAT...SW winds 10 to 15 kt, becoming W in the afternoon. Gusts up to 20 kt. Seas 2 to 3 ft, building to 3 to 5 ft in the afternoon. Wave Detail: SW 3 ft at 5 seconds and E 1 foot at 6 seconds, becoming S 3 ft at 8 seconds and W 1 foot at 4 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .SAT NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Wave Detail: S 4 ft at 8 seconds and NE 1 foot at 3 seconds. Areas of fog. Patchy drizzle. A chance of rain in the evening, then a chance of showers after midnight. Vsby 1 to 3 NM. .SUN...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 8 seconds and NE 2 ft at 3 seconds. Areas of fog. Patchy drizzle. Vsby 1 to 3 NM. .SUN NIGHT...SE winds 10 to 15 kt, becoming S 15 to 20 kt after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: S 3 ft at 7 seconds and E 1 foot at 3 seconds. A chance of showers. Patchy drizzle in the evening. Areas of fog in the evening with vsby 1 to 3 NM. .MON AND MON NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft. Showers. Vsby 1 to 3 NM. .TUE...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. A chance of showers. .TUE NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ234-282100- Buzzards Bay- 404 AM EDT Fri Mar 28 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... .TODAY...W winds 10 to 15 kt. Gusts up to 30 kt, decreasing to 20 kt this afternoon. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 6 seconds and E 1 foot at 7 seconds. .TONIGHT...S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 6 seconds and E 1 foot at 8 seconds. A chance of showers in the evening, then showers likely after midnight with vsby 1 to 3 NM. .SAT...SW winds 10 to 15 kt, becoming NW in the afternoon. Gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: SW 2 ft at 6 seconds and E 1 foot at 6 seconds. Patchy fog in the morning. A chance of rain in the afternoon. Vsby 1 NM or less in the morning. .SAT NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 8 seconds and NE 1 foot at 3 seconds. Areas of fog. A chance of rain with patchy drizzle in the evening, then a chance of showers with patchy drizzle after midnight. Vsby 1 to 3 NM. .SUN...E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 8 seconds and NE 2 ft at 3 seconds. Areas of fog. Patchy drizzle. Vsby 1 to 3 NM. .SUN NIGHT...SE winds 10 to 15 kt, becoming S 15 to 20 kt after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: S 2 ft at 3 seconds and SW 2 ft at 7 seconds. A chance of showers. Patchy drizzle in the evening. Areas of fog in the evening with vsby 1 to 3 NM. .MON AND MON NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft. Showers. .TUE...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers. .TUE NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ235-282100- Rhode Island Sound- 404 AM EDT Fri Mar 28 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... .TODAY...W winds 15 to 20 kt with gusts up to 30 kt, becoming SW 10 to 15 kt with gusts up to 20 kt this afternoon. Seas 2 to 4 ft. Wave Detail: S 4 ft at 6 seconds and E 1 foot at 7 seconds. .TONIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 5 seconds and E 1 foot at 8 seconds. A chance of showers in the evening, then showers likely after midnight with vsby 1 to 3 NM. .SAT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft, building to 4 to 6 ft in the afternoon. Wave Detail: SW 4 ft at 5 seconds and E 1 foot at 6 seconds, becoming S 5 ft at 8 seconds and NE 1 foot at 4 seconds. Patchy fog in the morning with vsby 1 to 3 NM. .SAT NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. Wave Detail: S 6 ft at 9 seconds and NE 2 ft at 3 seconds. Areas of fog. Patchy drizzle. A chance of rain in the evening, then a chance of showers after midnight. Vsby 1 to 3 NM. .SUN...E winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Wave Detail: S 5 ft at 8 seconds and E 2 ft at 3 seconds. Areas of fog. Patchy drizzle. Vsby 1 to 3 NM. .SUN NIGHT...SE winds 10 to 15 kt, becoming S 15 to 20 kt after midnight. Gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft at 7 seconds and E 2 ft at 4 seconds. A chance of showers. Patchy drizzle in the evening. Areas of fog in the evening with vsby 1 to 3 NM. .MON...S winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft. Showers. .MON NIGHT...SW winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 7 ft. Showers. Vsby 1 to 3 NM. .TUE...NW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. A chance of showers. .TUE NIGHT...N winds around 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ237-282100- Block Island Sound- 404 AM EDT Fri Mar 28 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... .TODAY...W winds 15 to 20 kt with gusts up to 30 kt, becoming SW 10 to 15 kt with gusts up to 20 kt this afternoon. Seas 2 to 4 ft. Wave Detail: W 3 ft at 4 seconds and S 2 ft at 7 seconds. .TONIGHT...SW winds around 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 6 seconds and W 1 foot at 3 seconds. A chance of showers in the evening, then showers likely after midnight with vsby 1 to 3 NM. .SAT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Wave Detail: S 4 ft at 8 seconds and SW 1 foot at 3 seconds. .SAT NIGHT...E winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. Wave Detail: S 6 ft at 9 seconds and NE 1 foot at 3 seconds. Areas of fog. A chance of showers with patchy drizzle in the evening, then patchy drizzle after midnight. Vsby 1 to 3 NM. .SUN...E winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Wave Detail: S 5 ft at 8 seconds and E 2 ft at 3 seconds. Patchy drizzle. Areas of fog in the morning with vsby 1 to 3 NM. .SUN NIGHT...SE winds around 10 kt, becoming S after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: S 4 ft at 8 seconds and E 2 ft at 4 seconds. A chance of showers. Patchy drizzle in the evening. Areas of fog in the evening with vsby 1 to 3 NM. .MON AND MON NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. Showers. Vsby 1 to 3 NM. .TUE...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 6 ft. .TUE NIGHT...N winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ230-282100- Boston Harbor- 404 AM EDT Fri Mar 28 2025 .TODAY...W winds 10 to 15 kt with gusts up to 25 kt. Waves around 2 ft. .TONIGHT...SW winds around 5 kt, becoming E after midnight. Waves 1 foot or less. A chance of showers in the evening, then showers after midnight with vsby 1 to 3 NM. .SAT...NE winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. A chance of rain in the morning, then rain likely in the afternoon. Patchy fog in the morning with vsby 1 NM or less. .SAT NIGHT...NE winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. Areas of fog. Patchy drizzle. Rain likely in the evening, then showers likely after midnight. Vsby 1 to 3 NM. .SUN...E winds around 10 kt with gusts up to 20 kt. Waves around 2 ft. Areas of fog. A chance of showers. Patchy drizzle. Vsby 1 to 3 NM. .SUN NIGHT...E winds around 10 kt, becoming SE after midnight. Gusts up to 20 kt. Waves around 2 ft. A chance of showers with patchy drizzle in the evening, then showers likely after midnight. Areas of fog in the evening with vsby 1 to 3 NM. .MON AND MON NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Waves around 2 ft. Showers. .TUE AND TUE NIGHT...NW winds 15 to 20 kt, becoming N 10 to 15 kt. Gusts up to 25 kt. Waves around 2 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ ANZ236-282100- Narragansett Bay- 404 AM EDT Fri Mar 28 2025 .TODAY...W winds 10 to 15 kt, diminishing to 5 to 10 kt this afternoon. Gusts up to 25 kt. Waves 2 to 3 ft. .TONIGHT...S winds 5 to 10 kt. Waves around 2 ft. A chance of showers in the evening, then showers likely after midnight with vsby 1 to 3 NM. .SAT...W winds 10 to 15 kt. Gusts up to 20 kt in the morning. Waves 2 to 4 ft. Patchy fog in the morning. A chance of rain in the afternoon. Vsby 1 to 3 NM in the morning. .SAT NIGHT...NE winds around 10 kt with gusts up to 20 kt. Waves 2 to 4 ft. Areas of fog. A chance of rain with patchy drizzle in the evening, then a chance of showers with patchy drizzle after midnight. Vsby 1 to 3 NM. .SUN...E winds around 10 kt with gusts up to 20 kt. Waves 2 to 3 ft. Areas of fog. Patchy drizzle. Vsby 1 to 3 NM. .SUN NIGHT...SE winds around 10 kt, becoming S after midnight. Gusts up to 25 kt. Waves 2 to 3 ft. A chance of showers. Patchy drizzle in the evening. Areas of fog in the evening with vsby 1 to 3 NM. .MON AND MON NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Waves 2 to 4 ft. Showers. .TUE AND TUE NIGHT...N winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to 3 ft. Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height. $$ For the latest updates...please visit our webpage at www.weather.gov/boston You can follow us on Facebook at www.facebook.com/NWSBoston You can follow us on Twitter at @NWSBoston