Catastrophic Flooding Impacts in South-Central Texas

Widespread life-threatening flash and urban flooding will continue to pose a significant threat to life and property in south-central Texas. Catastrophic fiver flooding, with rapid rises on small streams, arroyos, and typically dry washes, is expected. Monsoonal showers persist across the Great Basin and Southwest with greatest flash flooding in southern Arizona. Read More >

For More Weather Information:

Philadelphia, PA Local Forecast Office

15NM NE Lewes DE

Marine Point Forecast

[NOTICE]

This Afternoon
High: 86 °F
Light Wind
1ft
Tonight
Low: 75 °F
WSW 10kt
< 1ft
Friday
High: 83 °F
NNE 10kt
1ft
Friday Night
Low: 74 °F
SSE 15kt⇓
1ft
Saturday
High: 81 °F
S 15kt
1ft
Saturday Night
Low: 76 °F
S 15kt
1ft
Sunday
High: 85 °F
W 10kt
1ft
Sunday Night
Low: 72 °F
Light Wind
1ft
Monday
High: 84 °F
Light Wind
1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:08 am EDT Jul 16, 2026
Forecast Valid: 2pm EDT Jul 16, 2026-6pm EDT Jul 22, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

Variable winds 5 kt or less. Widespread smoke, mainly before 4pm. Seas around 1 ft.

Tonight

SW wind 5 to 10 kt becoming NNE after midnight. Scattered showers and thunderstorms before 2am, then isolated showers between 2am and 3am. Widespread smoke, mainly after 1am. Seas 1 ft or less.

Friday

NNE wind around 10 kt becoming ESE in the afternoon. Widespread smoke, mainly after 5pm. Seas around 1 ft.

Friday Night

SSE wind 10 to 15 kt decreasing to 5 to 10 kt after midnight. Widespread smoke, mainly before 7pm. Seas around 1 ft.

Saturday

E wind 10 to 15 kt becoming S in the afternoon. A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Seas around 1 ft.

Saturday Night

S wind 10 to 15 kt becoming SW after midnight. Showers and possibly a thunderstorm, mainly before 2am, then a chance of showers and thunderstorms after 2am. Seas around 1 ft.

Sunday

W wind around 10 kt becoming WNW in the afternoon. A chance of showers. Seas around 1 ft.

Sunday Night

Variable winds 5 kt or less. Partly cloudy. Seas around 1 ft.

Monday

Variable winds 5 kt or less. Sunny. 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.