Marine Weather Net

Mastic Beach, NY Weather Forecast


Marine Forecast: South Shore Bays


Mastic Beach, New York

 Lat: 40.76N, Lon: 72.84W

Current Conditions Updated: 256 AM EST WED DEC 3 2025

Mostly Cloudy
Temp: 34°F
  • Humidity:
  • 88%
  • Winds:
  • 16 MPH NNW
  • Gusts:
  • 29 MPH
  • Barometer:
  • 29.78 in.
  • Dewpoint:
  • 31°F
  • Heat index:
  • 34°F

  • Sunrise:
  • 6:56 AM EST
  • Sunset:
  • 4:23 PM EST
  • Moonrise:
  • 3:00 PM EST
  • Moonset:
  • 5:26 AM EST

TODAY

SUNNY

Hi: 41°F
Lo: 29°F

THURSDAY

PARTLY SUNNY
Hi: 41°F
Lo: 18°F

FRIDAY

PARTLY SUNNY
Hi: 35°F
Lo: 29°F

SATURDAY

PARTLY SUNNY
Hi: 41°F
Lo: 31°F
Precip: 40%
Weather Forecast In Detail:
Forecast Issued: 315 AM EST Wed Dec 03 2025

Today...Sunny. Highs in the lower 40s. Northwest winds 10 to 15 mph. Gusts up to 30 mph, Decreasing to 20 mph this afternoon.
Tonight...Mostly clear. Lows in the upper 20s. West winds 10 to 15 mph.
Thursday...Partly sunny and breezy. Highs in the lower 40s. West winds 10 to 15 mph, increasing to 20 to 25 mph in the afternoon. Gusts up to 35 mph.
Thursday Night...Mostly clear and brisk. Lows around 18. Northwest winds 15 to 25 mph with gusts up to 35 mph.
Friday...Sunny in the morning, then becoming partly sunny. Highs in the mid 30s. Northwest winds 5 to 10 mph, becoming southwest in the afternoon.
Friday Night...Mostly cloudy with a chance of light rain and light snow. Lows in the upper 20s. Chance of precipitation 40 percent.
Saturday...Mostly cloudy with a chance of light rain in the morning, then partly sunny in the afternoon. Highs in the lower 40s. Chance of rain 40 percent.
Saturday Night...Mostly cloudy. Lows in the lower 30s.
Sunday...Partly sunny. Highs around 40.
Sunday Night...Mostly cloudy. Lows in the mid 20s.
Monday...Partly sunny. Highs in the mid 30s.
Monday Night...Partly cloudy. Lows in the lower 20s.
Tuesday...Mostly sunny. Highs around 40.
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