Coastal Waters Forecast
Issued by NWS Sterling, VA

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
519
FZUS51 KLWX 230235
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
935 PM EST Fri Nov 22 2024

Tidal Potomac River and Maryland portion of Chesapeake Bay.

Forecasts of wave heights do not include effects of wind direction
relative to tidal currents. Expect higher waves when winds are
blowing against the tidal flow.

ANZ500-230900-
935 PM EST Fri Nov 22 2024

.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...

Low pressure will drift over the northern Mid-Atlantic through
tonight, then depart toward New England and the Canadian Maritimes
this weekend. High pressure will briefly build across the area
Sunday, then another frontal system will likely approach early next
week. Small Craft Advisories will likely be needed through Sunday.

$$

ANZ535-230900-
Tidal Potomac from Key Bridge to Indian Head-
935 PM EST Fri Nov 22 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING...

.REST OF TONIGHT...NW winds 15 kt with gusts to 20 kt. Waves 1 ft.
Scattered showers late this evening.
.SAT...NW winds 10 to 15 kt. Gusts up to 25 kt in the late morning
and afternoon. Waves 1 ft.
.SAT NIGHT...W winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.
.SUN...W winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...W winds around 5 kt. Waves 1 ft or less.
.MON...SW winds around 5 kt. Waves 1 ft.
.MON NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.TUE...W winds 10 to 15 kt...becoming NW 5 kt after midnight. Waves
1 ft.
.WED...W winds around 5 kt. Waves 1 ft. A chance of showers after
midnight.

$$

ANZ536-230900-
Tidal Potomac from Indian Head to Cobb Island-
935 PM EST Fri Nov 22 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING...

.REST OF TONIGHT...NW winds 15 to 20 kt with gusts to 30 kt. Waves
2 ft. Scattered showers late this evening.
.SAT...NW winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft.
.SAT NIGHT...W winds 10 to 15 kt. Gusts up to 20 kt until early
morning. Waves 1 ft.
.SUN...W winds 5 kt. Waves less than 1 ft.
.SUN NIGHT...SW winds 5 kt. Waves less than 1 ft.
.MON...SW winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. A
chance of showers.
.TUE...W winds 10 to 15 kt...becoming NW 5 to 10 kt. Waves 1 ft.
.WED...SW winds 5 kt. Waves less than 1 ft. A chance of showers
after midnight.

$$

ANZ537-230900-
Tidal Potomac from Cobb Island to Smith Point-
935 PM EST Fri Nov 22 2024

...GALE WARNING IN EFFECT UNTIL 7 AM EST SATURDAY...
...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM EST SATURDAY THROUGH
SATURDAY EVENING...

.REST OF TONIGHT...W winds 20 to 25 kt with gusts to 35 kt. Waves
4 ft. Numerous showers late this evening, then isolated showers.
.SAT...NW winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft.
.SAT NIGHT...W winds 15 to 20 kt. Gusts up to 25 kt until early
morning. Waves 2 to 3 ft.
.SUN...W winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...W winds 5 to 10 kt. Waves 1 ft.
.MON...SW winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. A
chance of showers.
.TUE...SW winds 15 kt...becoming NW. Waves 2 ft.
.WED...W winds 5 to 10 kt...becoming SE after midnight. Waves 1 ft.

$$

ANZ530-230900-
Chesapeake Bay north of Pooles Island-
935 PM EST Fri Nov 22 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING...

.REST OF TONIGHT...NW winds 15 to 20 kt with gusts to 30 kt. Waves
2 ft. Scattered showers late this evening.
.SAT...NW winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft.
.SAT NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.SUN...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.SUN NIGHT...W winds around 5 kt. Waves 1 ft or less.
.MON...SW winds around 5 kt. Waves 1 ft or less.
.MON NIGHT...S winds 10 to 15 kt. Waves 1 ft. A chance of showers.
.TUE...W winds 10 to 15 kt...becoming NW after midnight. Waves 1 to
2 ft.
.WED...W winds 5 to 10 kt. Waves 1 ft.

$$

ANZ531-230900-
Chesapeake Bay from Pooles Island to Sandy Point-
935 PM EST Fri Nov 22 2024

...GALE WARNING IN EFFECT UNTIL 7 AM EST SATURDAY...
...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM EST SATURDAY THROUGH
SATURDAY EVENING...

.REST OF TONIGHT...NW winds 20 kt with gusts to 30 kt. Waves 3 ft.
Scattered showers late this evening.
.SAT...NW winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft.
.SAT NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 to
3 ft.
.SUN...W winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.SUN NIGHT...W winds 5 to 10 kt. Waves 1 ft or less.
.MON...SW winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. A
chance of showers.
.TUE...W winds 15 to 20 kt...becoming NW 10 to 15 kt. Waves 2 ft.
.WED...W winds 10 to 15 kt. Waves 1 ft. A chance of showers after
midnight.

$$

ANZ538-230900-
Patapsco River including Baltimore Harbor-
935 PM EST Fri Nov 22 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING...

.REST OF TONIGHT...NW winds 15 to 20 kt with gusts to 30 kt. Waves
2 ft. Scattered showers late this evening.
.SAT...NW winds 10 to 15 kt with gusts to 25 kt. Waves 1 to 2 ft.
.SAT NIGHT...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.SUN...W winds 10 kt. Waves 1 ft.
.SUN NIGHT...W winds around 5 kt. Waves 1 ft or less.
.MON...SW winds around 5 kt. Waves 1 ft or less.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.TUE...W winds 10 to 15 kt...becoming NW after midnight. Waves 1 ft.
.WED...W winds 5 to 10 kt. Waves 1 ft or less. A chance of showers
after midnight.

$$

ANZ539-230900-
Chester River to Queenstown MD-
935 PM EST Fri Nov 22 2024

...GALE WARNING IN EFFECT UNTIL 7 AM EST SATURDAY...
...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM EST SATURDAY THROUGH
SATURDAY EVENING...

.REST OF TONIGHT...NW winds 20 kt with gusts to 30 kt. Waves 3 ft.
Scattered showers late this evening.
.SAT...NW winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.SAT NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.SUN...W winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.SUN NIGHT...W winds 5 kt. Waves less than 1 ft.
.MON...SW winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft. A chance of showers.
.TUE...SW winds 10 to 15 kt...becoming NW. Waves 2 ft.
.WED...W winds 5 to 10 kt. Waves 1 to 2 ft.

$$

ANZ532-230900-
Chesapeake Bay from Sandy Point to North Beach-
935 PM EST Fri Nov 22 2024

...GALE WARNING IN EFFECT UNTIL 7 AM EST SATURDAY...
...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM EST SATURDAY THROUGH
SATURDAY EVENING...

.REST OF TONIGHT...NW winds 20 to 25 kt with gusts to 35 kt. Waves
3 ft. Scattered showers late this evening.
.SAT...NW winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft.
.SAT NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 to
3 ft.
.SUN...W winds 10 to 15 kt. Waves 1 to 2 ft.
.SUN NIGHT...W winds 5 kt. Waves less than 1 ft.
.MON...SW winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. A
chance of showers.
.TUE...W winds 15 kt...becoming NW. Waves 2 ft.
.WED...W winds 10 to 15 kt. Waves 1 ft. A chance of showers after
midnight.

$$

ANZ540-230900-
Eastern Bay-
935 PM EST Fri Nov 22 2024

...GALE WARNING IN EFFECT UNTIL 7 AM EST SATURDAY...
...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM EST SATURDAY THROUGH
SATURDAY EVENING...

.REST OF TONIGHT...NW winds 20 to 25 kt with gusts to 30 kt. Waves
3 ft. Scattered showers late this evening, then isolated showers.
.SAT...NW winds 15 to 20 kt with gusts to 30 kt. Waves 2 to 3 ft.
.SAT NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.SUN...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.SUN NIGHT...W winds 5 kt. Waves less than 1 ft.
.MON...SW winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft. A chance of showers.
.TUE...W winds 15 kt...becoming NW. Waves 1 to 2 ft.
.WED...W winds 5 to 10 kt. Waves 1 ft.

$$

ANZ533-230900-
Chesapeake Bay from North Beach to Drum Point-
935 PM EST Fri Nov 22 2024

...GALE WARNING IN EFFECT UNTIL 7 AM EST SATURDAY...
...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM EST SATURDAY THROUGH
SATURDAY EVENING...

.REST OF TONIGHT...NW winds 25 kt with gusts to 35 kt. Waves 4 ft.
Numerous showers late this evening, then isolated showers.
.SAT...NW winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft.
.SAT NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 to
3 ft.
.SUN...W winds 10 to 15 kt. Waves 1 to 2 ft.
.SUN NIGHT...W winds 5 to 10 kt. Waves 1 ft.
.MON...SW winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. A
chance of showers.
.TUE...SW winds 15 kt...becoming NW. Waves 2 ft.
.WED...NW winds 10 to 15 kt...becoming W 5 to 10 kt. Waves 1 to
2 ft.

$$

ANZ541-230900-
Choptank River to Cambridge MD and the Little Choptank River-
935 PM EST Fri Nov 22 2024

...GALE WARNING IN EFFECT UNTIL 7 AM EST SATURDAY...
...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM EST SATURDAY THROUGH
SATURDAY EVENING...

.REST OF TONIGHT...NW winds 25 kt with gusts to 35 kt. Waves 2 to
3 ft...except around 4 ft near the mouth of the Choptank. Numerous
showers late this evening, then scattered showers.
.SAT...NW winds 20 to 25 kt with gusts to 30 kt. Waves 3 ft.
.SAT NIGHT...W winds 15 to 20 kt. Gusts up to 30 kt in the evening.
Waves 2 to 3 ft.
.SUN...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
.SUN NIGHT...W winds 5 kt. Waves less than 1 ft.
.MON...SW winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. A
chance of showers.
.TUE...SW winds 15 kt...becoming NW. Waves 2 ft.
.WED...NW winds 10 to 15 kt. Waves 1 ft.

$$

ANZ542-230900-
Patuxent River to Broomes Island MD-
935 PM EST Fri Nov 22 2024

...GALE WARNING IN EFFECT UNTIL 7 AM EST SATURDAY...
...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM EST SATURDAY THROUGH
SATURDAY EVENING...

.REST OF TONIGHT...NW winds 15 to 20 kt with gusts to 30 kt. Waves
1 to 2 ft. Numerous showers late this evening, then isolated
showers.
.SAT...NW winds 15 kt with gusts to 25 kt. Waves 1 ft.
.SAT NIGHT...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.SUN...W winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...W winds 5 kt. Waves less than 1 ft.
.MON...SW winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. A
chance of showers.
.TUE...SW winds 10 to 15 kt...becoming NW. Waves 1 ft.
.WED...NW winds 5 to 10 kt. Waves 1 ft.

$$

ANZ534-230900-
Chesapeake Bay from Drum Point to Smith Point-
935 PM EST Fri Nov 22 2024

...GALE WARNING IN EFFECT UNTIL 7 AM EST SATURDAY...
...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM EST SATURDAY THROUGH
SATURDAY EVENING...

.REST OF TONIGHT...W winds 25 to 30 kt. Waves 5 ft. Numerous showers
late this evening, then isolated showers.
.SAT...NW winds 20 to 25 kt with gusts to 35 kt. Waves 4 ft.
.SAT NIGHT...NW winds 15 to 20 kt. Gusts up to 30 kt until early
morning. Waves 3 ft.
.SUN...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
.SUN NIGHT...W winds 5 to 10 kt. Waves 1 ft.
.MON...SW winds 10 kt. Waves 1 to 2 ft.
.MON NIGHT...SW winds 15 to 20 kt. Waves 2 to 3 ft. A chance of
showers.
.TUE...SW winds 15 to 20 kt...becoming NW. Waves 3 ft.
.WED...NW winds 10 to 15 kt...becoming W in the evening, then
becoming SE after midnight. Waves 1 to 2 ft.

$$

ANZ543-230900-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
935 PM EST Fri Nov 22 2024

...GALE WARNING IN EFFECT UNTIL 7 AM EST SATURDAY...
...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM EST SATURDAY THROUGH
SATURDAY EVENING...

.REST OF TONIGHT...W winds 25 to 30 kt. Waves 3 ft. Showers late
this evening, then scattered showers.
.SAT...NW winds 20 to 25 kt with gusts to 35 kt. Waves 2 to 3 ft.
.SAT NIGHT...NW winds 15 to 20 kt with gusts to 30 kt. Waves 2 ft.
.SUN...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
.SUN NIGHT...W winds 5 to 10 kt. Waves 1 ft.
.MON...SW winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...SW winds 15 to 20 kt. Waves 2 ft. A chance of showers.
.TUE...SW winds 15 to 20 kt...becoming NW 10 to 15 kt. Waves 2 ft. A
chance of showers in the morning.
.WED...NW winds 10 to 15 kt...becoming NE after midnight. Waves
1 ft.

$$