Marine Weather Net

Copiague, NY Weather Forecast


Marine Forecast: South Shore Bays


Copiague, New York

 Lat: 40.67N, Lon: 73.39W

Current Conditions Updated: 1253 AM EST MON JAN 19 2026

Light Snow
Temp: 30°F
  • Humidity:
  • 92%
  • Winds:
  • 6 MPH NW
  • Gusts:
  • N/A MPH
  • Barometer:
  • 29.8 in.
  • Dewpoint:
  • 28°F
  • Heat index:
  • 30°F

  • Sunrise:
  • 7:12 AM EST
  • Sunset:
  • 4:53 PM EST
  • Moonrise:
  • 7:59 AM EST
  • Moonset:
  • 5:50 PM EST

TODAY

MOSTLY SUNNY
Hi: 35°F
Lo: 17°F

TUESDAY

SUNNY

Hi: 21°F
Lo: 15°F

WEDNESDAY

PARTLY SUNNY
Hi: 39°F
Lo: 30°F

THURSDAY

MOSTLY SUNNY
Hi: 41°F
Lo: 21°F
Weather Forecast In Detail:
Forecast Issued: 113 AM EST Mon Jan 19 2026

WINTER WEATHER ADVISORY IN EFFECT UNTIL 4 AM EST EARLY THIS MORNING
Today...Mostly sunny. Highs in the mid 30s. West winds 15 to 20 mph with gusts up to 30 mph.
Tonight...Partly cloudy in the evening, then clearing. Lows around 17. West winds 15 to 20 mph with gusts up to 35 mph.
Tuesday...Sunny, cold with highs in the lower 20s. West winds 15 to 20 mph with gusts up to 30 mph.
Tuesday Night...Mostly clear. Lows 12 to 17. West winds 15 to 20 mph.
Wednesday...Sunny in the morning, then becoming partly sunny. Not as cool with highs in the upper 30s. West winds 5 to 10 mph, increasing to southwest 15 to 20 mph in the afternoon.
Wednesday Night...Mostly cloudy in the evening, then becoming partly cloudy. Not as cool with lows around 30.
Thursday...Mostly sunny. Highs in the lower 40s.
Thursday Night...Partly cloudy. Lows in the lower 20s.
Friday...Partly sunny. Highs in the lower 30s.
Friday Night...Mostly cloudy. Lows around 10 above.
Saturday...Mostly sunny. Cold with highs in the lower 20s. Wind chill values as low as zero.
Saturday Night...Mostly cloudy. Cold with lows around 10 above. Wind chill values as low as 5 below after midnight.
Sunday...Partly sunny with a 30 percent chance of snow. Cold with highs around 20. Wind chill values as low as 5 below in the morning.
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