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

33NM NNW Lewes DE

Marine Point Forecast

[NOTICE]

Today
High: 90 °F
Light Wind
< 1ft
Tonight
Low: 70 °F
Light Wind
< 1ft
Saturday
High: 89 °F
SSE 10kt
< 1ft
Saturday Night
Low: 74 °F
S 10kt
< 1ft
Sunday
High: 85 °F
WNW 10kt
< 1ft
Sunday Night
Low: 66 °F
Light Wind
< 1ft
Monday
High: 83 °F
Light Wind
< 1ft
Monday Night
Low: 70 °F
Light Wind
< 1ft
Tuesday
High: 88 °F
S 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 17, 2026
Forecast Valid: 6am EDT Jul 17, 2026-6pm EDT Jul 23, 2026

View Nearby Observations

Detailed Forecast

Today

Variable winds 5 kt or less. Widespread smoke, mainly after 10am. Waves 1 ft or less.

Tonight

Variable winds 5 kt or less. A slight chance of showers and thunderstorms after 5am. Widespread smoke, mainly before 2am. Waves 1 ft or less.

Saturday

SSE wind 5 to 10 kt. Showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 5pm, then showers and thunderstorms likely after 5pm. Areas of smoke. Waves 1 ft or less.

Saturday Night

S wind 5 to 10 kt becoming WSW after midnight. Winds could gust as high as 20 kt. Showers and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am. Waves 1 ft or less.

Sunday

WNW wind around 10 kt becoming NNW in the morning. A chance of showers before 8am. Waves 1 ft or less.

Sunday Night

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

Monday

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

Monday Night

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

Tuesday

S wind 5 to 10 kt. A chance of showers and thunderstorms after 2pm. Waves 1 ft or less.

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.