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Philadelphia, PA Local Forecast Office

15NM NE Lewes DE

Marine Point Forecast

[NOTICE]

This Afternoon
High: 67 °F
Light Wind
1ft
Tonight
Low: 53 °F
S 10kt
1ft
Wednesday
High: 71 °F
⇑S 15kt
3ft
Wednesday Night
Low: 56 °F
S 15kt⇓
3ft
Thursday
High: 69 °F
Light Wind
1ft
Thursday Night
Low: 53 °F
WNW 10kt
1ft
Friday
High: 71 °F
WNW 10kt
1-2ft
Friday Night
Low: 56 °F
Light Wind
1ft
Saturday
High: 77 °F
S 10kt
1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 7:49 am EDT May 12, 2026
Forecast Valid: 12pm EDT May 12, 2026-6pm EDT May 18, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

Variable winds 5 kt or less. Sunny. Seas around 1 ft.

Tonight

S wind around 10 kt. Mostly clear. Seas around 1 ft.

Wednesday

S wind 10 to 13 kt increasing to 12 to 15 kt in the afternoon. Winds could gust as high as 30 kt. Mostly sunny. Seas 1 ft building to 3 ft.

Wednesday Night

S wind 10 to 15 kt decreasing to 5 to 10 kt after midnight. Winds could gust as high as 25 kt. Showers likely before 11pm, then showers likely and possibly a thunderstorm between 11pm and 2am, then showers after 2am. Seas 3 ft subsiding to 1 ft.

Thursday

Variable winds 5 kt or less. Showers, mainly before 8am. Seas around 1 ft.

Thursday Night

WNW wind around 10 kt. Partly cloudy. Seas around 1 ft.

Friday

WNW wind around 10 kt. Mostly sunny. Seas 1 to 2 ft.

Friday Night

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

Saturday

WSW wind 5 to 10 kt becoming S in the afternoon. Sunny. Seas around 1 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.