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 PM EDT WED JUL 15 2026

Clear


Temp: 92°F
  • Humidity:
  • 50%
  • Winds:
  • 10 MPH NW
  • Gusts:
  • N/A MPH
  • Barometer:
  • 29.8 in.
  • Dewpoint:
  • 71°F
  • Heat index:
  • 98°F

  • Sunrise:
  • 5:31 AM EDT
  • Sunset:
  • 8:20 PM EDT
  • Moonrise:
  • 6:46 AM EDT
  • Moonset:
  • 9:34 PM EDT

THIS AFTERNOON

PARTLY SUNNY
Hi: 89°F
Lo: 71°F
Precip: 20%

THURSDAY

MOSTLY SUNNY
Hi: 85°F
Lo: 71°F

FRIDAY

MOSTLY SUNNY
Hi: 85°F
Lo: 70°F

SATURDAY

PARTLY SUNNY
Hi: 85°F
Lo: 71°F
Precip: 70%
Weather Forecast In Detail:
Forecast Issued: 222 PM EDT Wed Jul 15 2026

HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM EDT THIS EVENING ...HIGH RIP CURRENT RISK IN EFFECT UNTIL 9 PM EDT THIS EVENING...
This Afternoon...Partly sunny with a slight chance of showers and thunderstorms. Areas of smoke. Highs in the upper 80s. West winds 10 to 15 mph. Chance of rain 20 percent. Heat index values in the upper 90s.
Tonight...Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly cloudy after midnight. Areas of smoke. Lows in the lower 70s. Northwest winds 5 to 10 mph. Gusts up to 20 mph in the evening. Chance of rain 20 percent.
Thursday...Mostly sunny. Patchy smoke. Highs in the mid 80s. West winds 10 to 15 mph. Gusts up to 25 mph in the afternoon.
Thursday Night...Mostly clear. Areas of smoke in the evening, then smoke after midnight. Lows in the lower 70s. West winds 5 to 10 mph with gusts up to 20 mph, becoming northwest after midnight.
Friday...Areas of smoke in the morning. Mostly sunny. Highs in the mid 80s. Northwest winds around 5 mph, becoming west in the afternoon.
Friday Night...Partly cloudy in the evening, then becoming mostly cloudy. Lows around 70.
Saturday...Partly sunny with a chance of showers in the morning, then mostly cloudy with showers likely in the afternoon. Highs in the mid 80s. Chance of rain 70 percent.
Saturday Night...Showers with a chance of thunderstorms. Lows in the lower 70s. Chance of rain 90 percent.
Sunday...Partly sunny. Showers in the morning. Highs in the lower 80s. Chance of rain 90 percent.
Sunday Night...Partly cloudy. Lows in the upper 60s.
Monday...Sunny. Highs around 80.
Monday Night...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 60s.
Tuesday...Partly sunny with a 40 percent chance of showers. Highs in the lower 80s.
Tuesday Night...Showers likely. Lows around 70. Chance of rain 60 percent.
Wednesday...Partly sunny. Showers likely, mainly in the morning. Highs in the lower 80s. Chance of rain 60 percent.
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