Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

For More Weather Information:

Philadelphia, PA Local Forecast Office

35NM S Philadelphia PA

Marine Point Forecast

[NOTICE]

This Afternoon
High: 85 °F
N 10kt
< 1ft
Tonight
Low: 61 °F
Light Wind
< 1ft
Saturday
High: 78 °F
ENE 10kt
< 1ft
Saturday Night
Low: 62 °F
Light Wind
< 1ft
Sunday
High: 79 °F
SSE 10kt
< 1ft
Sunday Night
Low: 66 °F
Light Wind
< 1ft
Monday
High: 76 °F
NE 10kt
< 1ft
Monday Night
Low: 61 °F
NE 10kt
< 1ft
Tuesday
High: 70 °F
ENE 15kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:09 am EDT Sep 18, 2026
Forecast Valid: 12pm EDT Sep 18, 2026-6pm EDT Sep 24, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

N wind 5 to 10 kt. Mostly sunny. Waves 1 ft or less.

Tonight

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

Saturday

NE wind 5 to 10 kt becoming E in the afternoon. Partly sunny. Waves 1 ft or less.

Saturday Night

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

Sunday

SE wind 5 to 10 kt becoming S in the afternoon. A chance of showers after 2pm. Waves 1 ft or less.

Sunday Night

Variable winds 5 kt or less. A chance of showers and thunderstorms before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Waves 1 ft or less.

Monday

NE wind 5 to 10 kt. A chance of showers. Waves 1 ft or less.

Monday Night

NE wind 5 to 10 kt. A chance of showers. Waves 1 ft or less.

Tuesday

ENE wind 10 to 15 kt, with gusts as high as 25 kt. A chance of showers. 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.