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 >

For More Weather Information:

Philadelphia, PA Local Forecast Office

35NM S Philadelphia PA

Marine Point Forecast

[NOTICE]

Tonight
Low: 59 °F
SW 10kt
< 1ft
Tuesday
High: 83 °F
⇑SW 10kt
< 1ft
Tuesday Night
Low: 62 °F
Light Wind
< 1ft
Wednesday
High: 86 °F
SW 10kt
< 1ft
Wednesday Night
Low: 63 °F
Light Wind
< 1ft
Thursday
High: 84 °F
Light Wind
< 1ft
Thursday Night
Low: 64 °F
Light Wind
< 1ft
Friday
High: 82 °F
Light Wind
< 1ft
Friday Night
Low: 58 °F
Light Wind
< 1ft

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: 7pm EDT Apr 13, 2026-6pm EDT Apr 20, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING...

Tonight

SW wind 5 to 10 kt. Partly cloudy. Waves 1 ft or less.

Tuesday

SW wind 5 to 8 kt increasing to 7 to 10 kt in the afternoon. Mostly sunny. Waves 1 ft or less.

Tuesday Night

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

Wednesday

SW wind 5 to 10 kt. Mostly sunny. Waves 1 ft or less.

Wednesday Night

Variable winds 5 kt or less. A slight chance of showers before 2am. Waves 1 ft or less.

Thursday

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

Thursday Night

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

Friday

Variable winds 5 kt or less. A chance of showers. Waves 1 ft or less.

Friday Night

Variable winds 5 kt or less. A chance of showers. 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.