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: 556 PM EDT FRI SEP 4 2026

Clear


Temp: 81°F
  • Humidity:
  • 50%
  • Winds:
  • 9 MPH NNW
  • Gusts:
  • N/A MPH
  • Barometer:
  • 29.83 in.
  • Dewpoint:
  • 61°F
  • Heat index:
  • 82°F

  • Sunrise:
  • 6:18 AM EDT
  • Sunset:
  • 7:19 PM EDT
  • Moonrise:
  • 11:36 PM EDT
  • Moonset:
  • 2:50 PM EDT

THIS AFTERNOON

MOSTLY SUNNY
Lo: 65°F

SATURDAY

PARTLY SUNNY
Hi: 79°F
Lo: 59°F
Precip: 20%

SUNDAY

MOSTLY SUNNY
Hi: 71°F
Lo: 61°F

LABOR DAY

SUNNY

Hi: 75°F
Lo: 61°F
Weather Forecast In Detail:
Forecast Issued: 221 PM EDT Fri Sep 04 2026

This Afternoon...Mostly sunny. Near steady temperature around 80. Northwest winds 10 to 15 mph with gusts up to 25 mph.
Tonight...Mostly clear. Lows in the mid 60s. Northwest winds 5 to 10 mph. Gusts up to 20 mph in the evening.
Saturday...Partly sunny. A slight chance of showers in the afternoon. Highs in the upper 70s. North winds 5 to 10 mph. Chance of rain 20 percent.
Saturday Night...Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Lows in the upper 50s. Northeast winds 5 to 10 mph. Chance of rain 50 percent.
Sunday...Mostly sunny. Highs in the lower 70s. North winds 5 to 10 mph.
Sunday Night...Mostly clear. Lows in the lower 60s.
Labor Day...Sunny. Highs in the mid 70s.
Monday Night...Mostly clear. Lows in the lower 60s.
Tuesday...Sunny. Highs in the mid 70s.
Tuesday Night...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 60s.
Wednesday...Partly sunny. Highs in the mid 70s.
Wednesday Night...Mostly cloudy with a 50 percent chance of showers. Lows in the upper 60s.
Thursday...Partly sunny. A chance of showers in the morning. Highs in the upper 70s. Chance of rain 50 percent.
Thursday Night...Partly cloudy. Lows in the lower 60s.
Friday...Mostly sunny. Highs in the lower 70s.
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