Life-Threatening Flash Flooding in South Central Texas; Heat Continues from the Northern Plains to the Mid-Atlantic

Life-threatening and locally catastrophic flash and urban flooding is expected across portions of south-central Texas through early Friday, with significant river flooding and rapid rises on small streams, arroyos, and typically dry washes expected. A significant heat wave continues for the Rockies, Northern Plains, and Great Lakes into the Mid-Atlantic, peaking in intensity through midweek. Read More >

For More Weather Information:

Philadelphia, PA Local Forecast Office

7NM SSE Lewes DE

Marine Point Forecast

[NOTICE]

This Afternoon
High: 94 °F
WSW 10kt
1ft
Tonight
Low: 77 °F
WSW 10kt
1ft
Thursday
High: 91 °F
S 10kt
< 1ft
Thursday Night
Low: 76 °F
Light Wind
1ft
Friday
High: 86 °F
Light Wind
1ft
Friday Night
Low: 75 °F
Light Wind
1ft
Saturday
High: 88 °F
⇑S 15kt
1ft
Saturday Night
Low: 75 °F
S 10kt
1ft
Sunday
High: 85 °F
W 10kt
1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:08 am EDT Jul 15, 2026
Forecast Valid: 1pm EDT Jul 15, 2026-6pm EDT Jul 21, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

WSW wind around 10 kt. Sunny. Seas around 1 ft.

Tonight

WSW wind 5 to 10 kt becoming WNW after midnight. Partly cloudy. Seas around 1 ft.

Thursday

NE wind 5 to 10 kt becoming S in the afternoon. Patchy smoke. Seas 1 ft or less.

Thursday Night

Variable winds 5 kt or less. Patchy smoke. Seas around 1 ft.

Friday

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

Friday Night

Variable winds 5 kt or less. A slight chance of showers and thunderstorms after 2am. Seas around 1 ft.

Saturday

S wind 5 to 10 kt increasing to 10 to 15 kt in the afternoon. Showers likely and possibly a thunderstorm, mainly after 2pm. Seas around 1 ft.

Saturday Night

S wind around 10 kt becoming WSW after midnight. Showers likely and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am. Seas around 1 ft.

Sunday

W wind around 10 kt. A chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Seas 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.