Tropical System in the Gulf; Dangerous Heat and Air Quality Concerns; Severe Thunderstorms for Midwest to mid-Atlantic

Tropical system in the Gulf expected to gradually strengthen the next couple of days off the Florida Panhandle and Alabama coasts. Instances of flash flooding will be possible through Thursday along the eastern and central Gulf Coast. Severe thunderstorms will develop and move along a cold front crossing the Upper Midwest, and through the Ohio Valley/Mid-Atlantic on Tuesday. Read More >

Hazardous Weather Conditions

Small Craft Advisory in effect from July 21, 12:00 PM EDT until July 22, 06:00 PM EDT

For More Weather Information:

Philadelphia, PA Local Forecast Office

4NM E Lewes DE

Marine Point Forecast

[NOTICE]

Today
High: 78 °F
NE 10kt
2ft
Tonight
Low: 73 °F
SSE 10kt
2ft
Tuesday
High: 81 °F
⇑S 15kt
2-3ft

Small Craft Advisory
Tuesday Night
Low: 74 °F
WSW 15kt
3-4ft

Small Craft Advisory
Wednesday
High: 81 °F
WSW 15kt
3-4ft

Small Craft Advisory
Wednesday Night
Low: 68 °F
N 15kt
3ft
Thursday
High: 75 °F
NNE 15kt
3ft
Thursday Night
Low: 69 °F
NE 10kt
2-3ft
Friday
High: 79 °F
NNE 10kt
2ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:08 am EDT Jul 20, 2026
Forecast Valid: 9am EDT Jul 20, 2026-6pm EDT Jul 26, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH

Today

NE wind 5 to 10 kt becoming ESE in the afternoon. Sunny. Seas around 2 ft.

Tonight

SSE wind around 10 kt. A chance of showers, mainly after 5am. Seas around 2 ft.

Tuesday

S wind 10 to 13 kt increasing to 12 to 15 kt in the afternoon. Winds could gust as high as 20 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 11am. Seas 2 to 3 ft.

Tuesday Night

WSW wind around 15 kt, with gusts as high as 25 kt. Showers and possibly a thunderstorm. Seas 3 to 4 ft.

Wednesday

WSW wind 10 to 15 kt. Showers and possibly a thunderstorm. Seas 3 to 4 ft.

Wednesday Night

W wind 10 to 15 kt becoming N after midnight. Showers and thunderstorms before 11pm, then a chance of showers. Seas around 3 ft.

Thursday

NNE wind 10 to 15 kt. Mostly sunny. Seas around 3 ft.

Thursday Night

NE wind 5 to 10 kt. Partly cloudy. Seas 2 to 3 ft.

Friday

NNE wind around 10 kt becoming ENE in the afternoon. Sunny. Seas around 2 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.