Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather Threat from the Central Plains to the Great Lakes

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, and thunderstorms to the Marianas Islands into Wednesday. Tropical Storm conditions are likely over Guam. Severe thunderstorms and heavy rain are likely across the Upper Mississippi Valley and Great Lakes region with potential for large to very large hail, damaging wind, and tornadoes through Tuesday. Read More >

Hazardous Weather Conditions

For More Weather Information:

Baltimore, MD/Washington, D.C. Local Forecast Office

18NM ESE Baltimore MD

Marine Point Forecast

[NOTICE]

Tonight
SW 13kt⇓
1-2ft
Tuesday
⇑SSW 9kt
< 1ft
Tuesday Night
SW 8kt
< 1ft
Wednesday
SSW 8kt
< 1ft
Wednesday Night
S 6kt⇓
< 1ft
Thursday
⇑S 7kt
< 1ft
Thursday Night
S 8kt
1ft
Friday
W 7kt
1ft
Friday Night
Light Wind
< 1ft

Associated Zone Forecast which includes this point

Last Update: 4:53 pm EDT Apr 13, 2026
Forecast Valid: 6pm EDT Apr 13, 2026-6pm EDT Apr 20, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...

Tonight

SW wind 10 to 13 kt decreasing to 5 to 8 kt after midnight. Winds could gust as high as 20 kt. Partly cloudy. Waves 1 to 2 ft.

Tuesday

Variable winds less than 5 kt becoming SSW 5 to 9 kt in the morning. Mostly sunny. Waves 1 ft or less.

Tuesday Night

SW wind 5 to 8 kt. Partly cloudy. Waves 1 ft or less.

Wednesday

SSW wind 5 to 8 kt. Mostly sunny. Waves 1 ft or less.

Wednesday Night

S wind around 6 kt becoming variable and less than 5 kt after midnight. Mostly cloudy. Waves 1 ft or less.

Thursday

Variable winds less than 5 kt becoming S 5 to 7 kt in the afternoon. Partly sunny. Waves 1 ft or less.

Thursday Night

S wind 6 to 8 kt becoming WSW after midnight. Mostly cloudy. Waves around 1 ft.

Friday

W wind around 7 kt. A chance of showers. Waves around 1 ft.

Friday Night

Variable winds 5 kt or less. Partly cloudy. Waves 1 ft or less.

*Notices:

This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.