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Philadelphia, PA Local Forecast Office

21NM NW Lewes DE

Marine Point Forecast

[NOTICE]

Today
High: 69 °F
E 20kt
2-3ft
Tonight
Low: 63 °F
Light Wind
1-2ft
Columbus Day
High: 70 °F
N 15kt
1-2ft
Monday Night
Low: 56 °F
Light Wind
1ft
Tuesday
High: 76 °F
Light Wind
< 1ft
Tuesday Night
Low: 64 °F
S 10kt
< 1ft
Wednesday
High: 78 °F
W 10kt
< 1ft
Wednesday Night
Low: 59 °F
Light Wind
< 1ft
Thursday
High: 67 °F
N 10kt
1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:09 am EDT Oct 11, 2026
Forecast Valid: 7am EDT Oct 11, 2026-6pm EDT Oct 17, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

Today

E wind 15 to 20 kt, with gusts as high as 30 kt. Rain before 2pm, then rain and possibly a thunderstorm between 2pm and 4pm, then a chance of rain and thunderstorms after 4pm. Waves 2 to 3 ft.

Tonight

Variable winds 5 kt or less. Rain and thunderstorms before 2am, then a chance of showers, mainly after 4am. Waves 1 to 2 ft.

Columbus Day

N wind 10 to 15 kt. Showers likely, mainly before 8am. Waves 1 to 2 ft.

Monday Night

Variable winds 5 kt or less. Mostly clear. Waves around 1 ft.

Tuesday

Variable winds 5 kt or less. Sunny. Waves 1 ft or less.

Tuesday Night

S wind 5 to 10 kt. Mostly clear. Waves 1 ft or less.

Wednesday

WSW wind around 10 kt becoming WNW in the afternoon. Sunny. Waves 1 ft or less.

Wednesday Night

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

Thursday

N wind 5 to 10 kt. Mostly sunny. Waves around 1 ft.

Winds and seas higher in and near tstms.

*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.