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Philadelphia, PA Local Forecast Office

30NM SW Philadelphia PA

Marine Point Forecast

[NOTICE]

Late Afternoon
High: 68 °F
E 15kt
1ft
Tonight
Low: 62 °F
NNE 15kt
1ft
Columbus Day
High: 73 °F
N 15kt⇓
1ft
Monday Night
Low: 59 °F
Light Wind
< 1ft
Tuesday
High: 76 °F
Light Wind
< 1ft
Tuesday Night
Low: 65 °F
SW 10kt
< 1ft
Wednesday
High: 79 °F
W 10kt
1ft
Wednesday Night
Low: 64 °F
N 10kt
< 1ft
Thursday
High: 69 °F
N 10kt⇓
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:10 pm EDT Oct 11, 2026
Forecast Valid: 5pm EDT Oct 11, 2026-6pm EDT Oct 18, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING...

Late Afternoon

E wind around 15 kt. A chance of showers and thunderstorms. Waves around 1 ft.

Tonight

ENE wind 10 to 15 kt becoming NNE after midnight. Showers and thunderstorms, mainly before 1am, then showers likely and possibly a thunderstorm after 5am. Waves around 1 ft.

Columbus Day

N wind 10 to 15 kt decreasing to 5 to 10 kt in the afternoon. Showers and thunderstorms likely before 9am, then a slight chance of showers between 9am and 10am. Waves around 1 ft.

Monday Night

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

Tuesday

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

Tuesday Night

SW wind around 10 kt. Mostly clear. Waves 1 ft or less.

Wednesday

W wind around 10 kt. Sunny. Waves around 1 ft.

Wednesday Night

W wind 5 to 10 kt becoming N after midnight. Partly cloudy. Waves 1 ft or less.

Thursday

N wind 7 to 10 kt decreasing to 5 to 8 kt in the afternoon. Mostly 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.