Severe Thunderstorms in Portions of the Mississippi Valley and Great Lakes

A few severe thunderstorms with large hail, are expected across parts of the middle and upper Mississippi River Valley tonight through early morning. Snow and a wintry mix overnight in the Upper Midwest into the Great Lakes can cause hazardous travel conditions. Fire weather concerns continue for a large portion of the central and southern High Plains and Four Corners region this evening. Read More >

Hazardous Weather Conditions

Small Craft Advisory until April 1, 06:00 PM EDT

For More Weather Information:

Philadelphia, PA Local Forecast Office

20NM NE Lewes DE

Marine Point Forecast

[NOTICE]

Overnight
Low: 51 °F
SSW 15kt
1ft
Tuesday
High: 63 °F
SW 15kt
1ft
Tuesday Night
Low: 53 °F
SSW 15kt
1ft
Wednesday
High: 62 °F
SW 10kt
1ft
Wednesday Night
Low: 48 °F
Light Wind
< 1ft
Thursday
High: 57 °F
E 10kt
< 1ft
Thursday Night
Low: 48 °F
E 10kt
< 1ft
Friday
High: 59 °F
S 10kt
< 1ft
Friday Night
Low: 52 °F
SSW 10kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:10 pm EDT Mar 30, 2026
Forecast Valid: 11pm EDT Mar 30, 2026-6pm EDT Apr 6, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON...

Overnight

SSW wind around 15 kt. A slight chance of showers after 4am. Seas around 1 ft.

Tuesday

SW wind 10 to 15 kt, with gusts as high as 20 kt. A slight chance of showers before 8am. Seas around 1 ft.

Tuesday Night

SSW wind around 15 kt. Partly cloudy. Seas around 1 ft.

Wednesday

SW wind around 10 kt. A chance of showers after 2pm. Seas around 1 ft.

Wednesday Night

Variable winds 5 kt or less. Showers likely, mainly between 8pm and 2am. Seas 1 ft or less.

Thursday

E wind around 10 kt. A chance of showers before 8am. Seas 1 ft or less.

Thursday Night

E wind 5 to 10 kt becoming SSE after midnight. Mostly cloudy. Seas 1 ft or less.

Friday

S wind 5 to 10 kt. Partly sunny. Seas 1 ft or less.

Friday Night

SSW wind around 10 kt. Mostly 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.