Water Temperature of the Atlantic Ocean Near Islip, NY

Current Water Temperature

70.5°F

Measurement Time: Friday, September 12, 2025, 7:30 AM EDT

Temperature Locations

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Atlantic Ocean

Station Name: LONG ISLAND - 30 NM South of Islip, NY
Station Type: Other
Data Source: National Data Buoy Center

Elevation Above Sea Level: 0 feet / 0 meters

Nearest Address:
Offshore
Islip, NY 11751
Suffolk County

GPS Coordinates: 40.251, -73.164

Nearby Water Temperatures

Atlantic Ocean, Breezy Point, NY (29.5 mi)
Reynolds Channel, Point Lookout, NY (32.4 mi)
Great South Bay, West Sayville, NY (32.7 mi)
Hog Island Channel, Island Park, NY (35.8 mi)
Hempstead Lake, Lakeview, NY (38.7 mi)
Rockaway Inlet, Brooklyn, NY (44.0 mi)
Sandy Hook Bay, Sandy Hook, NJ (46.9 mi)
Flax Pond, Old Field, NY (49.2 mi)
Long Island Sound, Kings Point, NY (49.9 mi)
Frost Creek, Lattingtown, NY (50.5 mi)
East Creek, Sands Point, NY (51.3 mi)
Atlantic Ocean, Surf City, NJ (51.7 mi)
Peconic River, Riverhead, NY (53.7 mi)
East River, New York, NY (54.4 mi)
Bronx River, Bronx, NY (56.3 mi)

Weather Near Islip, New York

Current Weather

70°F
Overcast
Conditions: Overcast
Humidity: 57%
Feels Like: 70°F
Wind: NE 7.8 mph
Wind Gusts: 9 mph
Pressure: 30.23 in
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 9 mi
UV Index: 2.2

Five Day Weather Forecast

Sunny
Fri
H: 78°F
L: 66°F
Partly Cloudy
Sat
H: 79°F
L: 64°F
Sunny
Sun
H: 85°F
L: 66°F
Patchy rain nearby
Mon
H: 78°F
L: 66°F
Partly Cloudy
Tue
H: 76°F
L: 68°F

Air Quality

AQI: 2 - Moderate
PM2.5: 10.55 μg/m3
PM10: 12.4 μg/m3
Carbon Monoxide: 366.3 μg/m3
Nitrogen Dioxide: 4.81 μg/m3
Sulphur Dioxide: 2.59 μg/m3
Ozone: 121 μg/m3

Astronomical

Sunrise: 6:31 AM
Sun Transit: 12:48 AM
Sunset: 7:06 PM
Daylight: 12 hrs 35 mins
Moonrise: 9:45 PM
Moon Transit: 4:40 AM
Moonset: 12:27 AM
Moon Phase: Waning Gibbous
Moon Illumination: 67.4%

Best Times for Fishing or Hunting

Major Periods

4:10 AM - 6:40 AM
6:59 PM - 9:29 PM

Minor Periods

9:15 PM - 10:45 PM
11:57 AM - 1:27 PM

Action Rating: 4 out of 5

Coastal Flood Statement issued September 12 at 2:40AM EDT until September 12 at 5:00PM EDT by NWS Upton NY

Effective: Fri September 12, 2025, 2:40 AM
Expires: Fri September 12, 2025, 4:00 PM

* WHAT...Up to one half foot of inundation above ground level expected in vulnerable areas near the waterfront and shoreline. * WHERE...Southern Fairfield County. * WHEN...With the high tide cycle this afternoon. High tide occurs between 3 and 4 PM. * IMPACTS...Brief minor flooding of the more vulnerable locations near the waterfront and shoreline.

Do not drive through flooded roadways.
Friday, September 12, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 70.4°F
Average Humidity: 66%
Chance of Rain: 0%
Wind: 9.6 mph
UV Index: 1

Air Quality

AQI: 2 - Moderate
PM2.5: 17.66 μg/m3
PM10: 19.2 μg/m3
Carbon Monoxide: 439.12 μg/m3
Nitrogen Dioxide: 38.52 μg/m3
Sulphur Dioxide: 5.51 μg/m3
Ozone: 83.12 μg/m3

Astronomical

Sunrise: 6:31 AM
Sun Transit: 12:48 AM
Sunset: 7:06 PM
Daylight: 12 hrs 35 mins
Moonrise: 9:45 PM
Moon Transit: 4:40 AM
Moonset: 12:27 AM
Moon Phase: Waning Gibbous
Moon Illumination: 67.4%

Best Times for Fishing or Hunting

Major Periods

4:10 AM - 6:40 AM
6:59 PM - 9:29 PM

Minor Periods

9:15 PM - 10:45 PM
11:57 AM - 1:27 PM

Action Rating: 4 out of 5

Saturday, September 13, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 68.9°F
Average Humidity: 65%
Chance of Rain: 0%
Wind: 11.6 mph
UV Index: 1.2

Air Quality

AQI: 2 - Moderate
PM2.5: 17.75 μg/m3
PM10: 23.38 μg/m3
Carbon Monoxide: 343.36 μg/m3
Nitrogen Dioxide: 13.68 μg/m3
Sulphur Dioxide: 4.21 μg/m3
Ozone: 86 μg/m3

Astronomical

Sunrise: 6:32 AM
Sun Transit: 12:48 AM
Sunset: 7:04 PM
Daylight: 12 hrs 32 mins
Moonrise: 10:35 PM
Moon Transit: 5:39 AM
Moonset: 1:43 PM
Moon Phase: Waning Gibbous
Moon Illumination: 56.4%

Best Times for Fishing or Hunting

Major Periods

5:09 AM - 7:39 AM
8:00 PM - 10:30 PM

Minor Periods

10:05 PM - 11:35 PM
1:13 PM - 2:43 PM

Action Rating: 2 out of 5

Sunday, September 14, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 73°F
Average Humidity: 71%
Chance of Rain: 0%
Wind: 9.6 mph
UV Index: 1.3

Air Quality

AQI: 2 - Moderate
PM2.5: 17.95 μg/m3
PM10: 21.83 μg/m3
Carbon Monoxide: 356.16 μg/m3
Nitrogen Dioxide: 19.01 μg/m3
Sulphur Dioxide: 6.99 μg/m3
Ozone: 99.48 μg/m3

Astronomical

Sunrise: 6:33 AM
Sun Transit: 12:48 AM
Sunset: 7:03 PM
Daylight: 12 hrs 29 mins
Moonrise: 11:34 PM
Moon Transit: 6:41 AM
Moonset: 2:51 PM
Moon Phase: Last Quarter
Moon Illumination: 45.1%

Best Times for Fishing or Hunting

Major Periods

6:11 AM - 8:41 AM
9:02 PM - 11:32 PM

Minor Periods

12:00 AM - 12:00 AM
2:21 PM - 3:51 PM

Action Rating: 3 out of 5

Monday, September 15, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 71.4°F
Average Humidity: 67%
Chance of Rain: 83%
Wind: 8.5 mph
UV Index: 0

Air Quality

AQI: 2 - Moderate
PM2.5: 23.83 μg/m3
PM10: 27.93 μg/m3
Carbon Monoxide: 390.05 μg/m3
Nitrogen Dioxide: 24.6 μg/m3
Sulphur Dioxide: 4.45 μg/m3
Ozone: 94.56 μg/m3

Astronomical

Sunrise: 6:34 AM
Sun Transit: 12:47 AM
Sunset: 7:01 PM
Daylight: 12 hrs 27 mins
Moonrise: 12:34 AM
Moon Transit: 7:43 AM
Moonset: 3:48 PM
Moon Phase: Last Quarter
Moon Illumination: 34.0%

Best Times for Fishing or Hunting

Major Periods

7:13 AM - 9:43 AM
12:00 AM - 12:00 AM

Minor Periods

3:18 PM - 4:48 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Tuesday, September 16, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 71.3°F
Average Humidity: 68%
Chance of Rain: 0%
Wind: 9.6 mph
UV Index: 6

Air Quality

AQI: 2 - Moderate
PM2.5: 23.92 μg/m3
PM10: 29.97 μg/m3
Carbon Monoxide: 374.7 μg/m3
Nitrogen Dioxide: 19.94 μg/m3
Sulphur Dioxide: 3.81 μg/m3
Ozone: 73.23 μg/m3

Astronomical

Sunrise: 6:35 AM
Sun Transit: 12:47 AM
Sunset: 6:59 PM
Daylight: 12 hrs 24 mins
Moonrise: 12:42 AM
Moon Transit: 8:42 AM
Moonset: 4:34 PM
Moon Phase: Last Quarter
Moon Illumination: 23.8%

Best Times for Fishing or Hunting

Major Periods

8:12 AM - 10:42 AM
12:00 AM - 12:00 AM

Minor Periods

4:04 PM - 5:34 PM
12:12 AM - 1:42 AM

Action Rating: 2 out of 5

The times presented here are based upon the solunar theory, which is the idea that the movements of fish and other animals are affected by the location of the sun and moon. The major periods are believed to be the times of the greatest animal activity and occur when the moon is directly overhead or underfoot (lunar transits). The minor periods also see increased activity and occur when the moon is rising or setting. The strongest activity occurs during full or new moons, and the weakest during quarter or three quarter moons. This is indicated by the Action Rating.

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