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

Small Craft Advisory until April 14, 01:00 AM EDT

For More Weather Information:

Philadelphia, PA Local Forecast Office

40NM S New York NY

Marine Point Forecast

[NOTICE]

Tonight
Low: 55 °F
SW 15kt⇓
3-4ft

Small Craft Advisory
Tuesday
High: 67 °F
⇑S 15kt
3ft
Tuesday Night
Low: 58 °F
SW 10kt
3ft
Wednesday
High: 68 °F
SSW 10kt
2-3ft
Wednesday Night
Low: 57 °F
SSW 10kt
2-3ft
Thursday
High: 65 °F
⇑S 10kt
2ft
Thursday Night
Low: 58 °F
SSW 10kt
3ft
Friday
High: 67 °F
Light Wind
2-3ft
Friday Night
Low: 52 °F
Light Wind
2ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:09 pm EDT Apr 13, 2026
Forecast Valid: 5pm EDT Apr 13, 2026-6pm EDT Apr 20, 2026

View Nearby Observations

Detailed Forecast

Tonight

SW wind 12 to 15 kt decreasing to 10 to 13 kt after midnight. Winds could gust as high as 20 kt. Mostly clear. Seas 3 to 4 ft.

Tuesday

WSW wind 5 to 8 kt becoming S 10 to 15 kt in the afternoon. Mostly sunny. Seas around 3 ft.

Tuesday Night

SW wind 5 to 10 kt. Partly cloudy. Seas around 3 ft.

Wednesday

SSW wind 5 to 10 kt. Mostly sunny. Seas 2 to 3 ft.

Wednesday Night

SSW wind 5 to 10 kt. A slight chance of showers before 2am. Seas 2 to 3 ft.

Thursday

SW wind 5 to 8 kt becoming S 7 to 10 kt in the afternoon. Partly sunny. Seas around 2 ft.

Thursday Night

SSW wind 5 to 10 kt. Mostly cloudy. Seas around 3 ft.

Friday

Variable winds 5 kt or less. A chance of showers. Seas 2 to 3 ft.

Friday Night

Variable winds 5 kt or less. A chance of showers. Seas around 2 ft.

*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.