Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Hazardous Weather Conditions

Small Craft Advisory in effect from June 18, 06:00 AM EDT until June 19, 12:00 AM EDT

For More Weather Information:

Philadelphia, PA Local Forecast Office

35NM S Philadelphia PA

Marine Point Forecast

[NOTICE]

Today
High: 83 °F
S 10kt
< 1ft
Tonight
Low: 68 °F
SSE 10kt
< 1ft
Thursday
High: 92 °F
SW 15kt
< 1ft
Thursday Night
Low: 70 °F
W 10kt
< 1ft
Juneteenth
High: 83 °F
WNW 10kt
< 1ft
Friday Night
Low: 63 °F
Light Wind
< 1ft
Saturday
High: 82 °F
WNW 10kt
< 1ft
Saturday Night
Low: 63 °F
Light Wind
< 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: 4:07 am EDT Jun 17, 2026
Forecast Valid: 11am EDT Jun 17, 2026-6pm EDT Jun 23, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM THURSDAY MORNING THROUGH

Today

S wind 5 to 10 kt. Sunny. Waves 1 ft or less.

Tonight

SSE wind 5 to 10 kt. Increasing clouds. Waves 1 ft or less.

Thursday

S wind 10 to 15 kt becoming SW in the afternoon. Winds could gust as high as 30 kt. A chance of showers and thunderstorms, mainly before 3pm. Waves 1 ft or less.

Thursday Night

W wind 5 to 10 kt, with gusts as high as 20 kt. A chance of showers and thunderstorms before 8pm, then a slight chance of showers after 2am. Waves 1 ft or less.

Juneteenth

WNW wind 5 to 10 kt. A slight chance of showers before 2pm. Waves 1 ft or less.

Friday Night

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

Saturday

WNW wind 5 to 10 kt, with gusts as high as 20 kt. Sunny. Waves 1 ft or less.

Saturday Night

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

Sunday

W wind 5 to 10 kt. Sunny. Waves 1 ft or less.

*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.