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South River, NJ Marine Weather Forecast

Station MHRN6 - 8519532 - Mariners Harbor, NY

January 21, 2026 12:48 am EST
Location: 40.641N 74.162W
Wind Direction: WSW (240°)
Wind Speed: 9.9 knots
Wind Gust: 13.0 knots


Overnight - 12°F
Jan 21, 2026
5 mph W
Clear
Clear, with a low around 12. Wind chill values as low as 4. West wind around 5 mph.
Wednesday - 33°F
Jan 21, 2026
2 to 9 mph SW
Mostly Sunny
Mostly sunny, with a high near 33. Wind chill values as low as 12. Southwest wind 2 to 9 mph.
Wednesday Night - 30°F
Jan 21, 2026
8 mph SW
Slight Chance Light Snow
A slight chance of snow between 7pm and 1am. Mostly cloudy. Low around 30, with temperatures rising to around 33 overnight. Southwest wind around 8 mph. Chance of precipitation is 20%.
Thursday - 43°F
Jan 22, 2026
8 to 14 mph SW
Mostly Sunny
Mostly sunny. High near 43, with temperatures falling to around 39 in the afternoon. Southwest wind 8 to 14 mph.
Thursday Night - 25°F
Jan 22, 2026
5 to 8 mph W
Partly Cloudy
Partly cloudy, with a low around 25. West wind 5 to 8 mph.
Friday - 33°F
Jan 23, 2026
5 to 13 mph W
Partly Sunny
Partly sunny. High near 33, with temperatures falling to around 31 in the afternoon.
Friday Night - 9°F
Jan 23, 2026
12 mph NW
Partly Cloudy
Partly cloudy, with a low around 9.
Saturday - 18°F
Jan 24, 2026
7 to 10 mph NW
Partly Sunny
Partly sunny, with a high near 18.
Saturday Night - 11°F
Jan 24, 2026
7 mph N
Chance Light Snow
A chance of snow after 7pm. Mostly cloudy, with a low around 11. Chance of precipitation is 50%.
Sunday - 20°F
Jan 25, 2026
7 to 10 mph NE
Light Snow Likely
Snow likely. Mostly cloudy, with a high near 20. Chance of precipitation is 70%.
Sunday Night - 15°F
Jan 25, 2026
8 mph N
Light Snow Likely
Snow likely. Mostly cloudy, with a low around 15. Chance of precipitation is 70%.
Monday - 26°F
Jan 26, 2026
7 to 10 mph N
Chance Light Snow
A chance of snow. Partly sunny, with a high near 26. Chance of precipitation is 50%.
Monday Night - 11°F
Jan 26, 2026
8 mph NW
Slight Chance Light Snow then Mostly Clear
A slight chance of snow before 7pm. Mostly clear, with a low around 11.
Tuesday - 25°F
Jan 27, 2026
7 to 12 mph W
Mostly Sunny
Mostly sunny, with a high near 25.

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