Marine Weather Net

Keyport, NJ Weather Forecast


Marine Forecast: New York Harbor


Keyport, New Jersey

 Lat: 40.43N, Lon: 74.2W

Current Conditions Updated: 151 AM EDT TUE MAY 19 2026

Mostly Clear
Temp: 77°F
  • Humidity:
  • 64%
  • Winds:
  • 8 MPH SSW
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.1 in.
  • Dewpoint:
  • 64°F
  • Heat index:
  • 79°F

  • Sunrise:
  • 5:35 AM EDT
  • Sunset:
  • 8:08 PM EDT
  • Moonrise:
  • 7:51 AM EDT
  • Moonset:
  • 11:56 PM EDT

TONIGHT

MOSTLY CLEAR
Lo: 70°F

TUESDAY

SUNNY

Hi: 95°F
Lo: 75°F

WEDNESDAY

PARTLY SUNNY
Hi: 91°F
Lo: 57°F
Precip: 80%

THURSDAY

PARTLY SUNNY
Hi: 70°F
Lo: 51°F
Weather Forecast In Detail:
Forecast Issued: 400 PM EDT Mon May 18 2026

HEAT ADVISORY IN EFFECT UNTIL 8 PM EDT WEDNESDAY
Tonight...Mostly clear. Lows around 70. South winds 10 to 15 mph with gusts up to 25 mph, becoming southwest around 5 mph after midnight.
Tuesday...Sunny, hot with highs in the mid 90s. Southwest winds 10 to 15 mph.
Tuesday Night...Partly cloudy. Lows in the mid 70s. Southwest winds 5 to 10 mph with gusts up to 20 mph.
Wednesday...Sunny in the morning, then partly sunny with showers in the afternoon. Hot with highs in the lower 90s. West winds 10 to 15 mph. Chance of rain 80 percent.
Wednesday Night...Showers with a chance of thunderstorms in the evening, then showers likely after midnight. Much cooler with lows in the upper 50s. Northwest winds 5 to 10 mph. Chance of rain 80 percent.
Thursday...Partly sunny. Not as warm with highs around 70.
Thursday Night...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 50s.
Friday...Partly sunny in the morning, then mostly cloudy with a chance of showers in the afternoon. Highs in the upper 60s. Chance of rain 40 percent.
Friday Night...Mostly cloudy. A chance of showers in the evening, then showers likely after midnight. Lows around 50. Chance of rain 70 percent.
Saturday...Showers. Highs in the mid 60s. Chance of rain 80 percent.
Saturday Night...Showers likely. Lows in the lower 50s. Chance of rain 70 percent.
Sunday...Mostly cloudy. Showers likely, mainly in the morning. Highs in the upper 60s. Chance of rain 60 percent.
Sunday Night...Mostly cloudy with a 40 percent chance of showers. Lows in the mid 50s.
Memorial Day...Mostly cloudy with a 40 percent chance of showers. Highs in the lower 70s.
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