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

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, thunderstorms, and coastal impacts to the Marianas Islands into Wednesday. Typhoon conditions are likely over the Northern Mariana Islands. Severe thunderstorms and heavy rain are expected from the Southern Plains to the Great Lakes through Tuesday. Heavy snow is expected in the Pacific Northwest. Read More >

Hazardous Weather Conditions

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

For More Weather Information:

Philadelphia, PA Local Forecast Office

20NM NE Lewes DE

Marine Point Forecast

[NOTICE]

Tonight
Low: 56 °F
WSW 10kt
< 1ft
Tuesday
High: 68 °F
S 10kt
< 1ft
Tuesday Night
Low: 58 °F
SW 10kt
< 1ft
Wednesday
High: 67 °F
Light Wind
< 1ft
Wednesday Night
Low: 58 °F
Light Wind
< 1ft
Thursday
High: 65 °F
Light Wind
< 1ft
Thursday Night
Low: 58 °F
S 10kt
< 1ft
Friday
High: 69 °F
Light Wind
< 1ft
Friday Night
Low: 53 °F
Light Wind
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 9:12 pm EDT Apr 13, 2026
Forecast Valid: 10pm EDT Apr 13, 2026-6pm EDT Apr 20, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EDT TUESDAY...

Tonight

WSW wind 5 to 10 kt. Partly cloudy. Seas 1 ft or less.

Tuesday

WSW wind 5 to 10 kt becoming S in the afternoon. Mostly sunny. Seas 1 ft or less.

Tuesday Night

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

Wednesday

Variable winds 5 kt or less. Mostly sunny. Seas 1 ft or less.

Wednesday Night

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

Thursday

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

Thursday Night

S wind 5 to 10 kt. Mostly cloudy. Seas 1 ft or less.

Friday

Variable winds 5 kt or less. Mostly sunny. Seas 1 ft or less.

Friday Night

Variable winds 5 kt or less. Partly cloudy. Seas 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.