Water Temperature of the Atlantic Ocean Near Islip, NY

Current Water Temperature

43.2°F

Measurement Time: Saturday, January 17, 2026, 3:30 PM EST

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

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 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

34°F
Overcast
Overcast
23.7°F
40°F
88%
WSW 16.1 mph
25.7 mph
36.6°F
33.8°F
0 in
100%
9 mi
1018 mbar
0

Five Day Weather Forecast

Overcast
Sat
H: 41°F
L: 34°F
Moderate rain
Sun
H: 37°F
L: 29°F
Blizzard
Mon
H: 29°F
L: 25°F
Partly Cloudy
Tue
H: 24°F
L: 16°F
Cloudy
Wed
H: 18°F
L: 10°F

Air Quality

PM2.5: 15.15 μg/m3
PM10: 16.65 μg/m3
Carbon Monoxide: 249.85 μg/m3
Nitrogen Dioxide: 37.85 μg/m3
Sulphur Dioxide: 6.75 μg/m3
Ozone: 25 μg/m3

Astronomical

Sunrise: 7:12 AM
Sun Transit: 12:02 AM
Sunset: 4:54 PM
Daylight: 9 hrs 41 mins
Moonrise: 6:44 AM
Moon Transit: 11:08 AM
Moonset: 3:38 PM
Moon Phase: New
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

12:32 AM - 3:02 AM
10:38 AM - 1:08 PM

Minor Periods

3:08 PM - 4:38 PM
6:14 AM - 7:44 AM

Action Rating: 4 out of 5

Winter Weather Advisory issued January 17 at 1:20PM EST until January 18 at 8:00PM EST by NWS Upton NY

Effective: Sat January 17, 2026, 1:20 PM
Expires: Sat January 17, 2026, 9:30 PM

* WHAT...Snow expected. Total snow accumulations between 2 and 4 inches. * WHERE...Portions of southern Connecticut, northeast New Jersey, and southeast New York. * WHEN...From 7 AM to 8 PM EST Sunday. * IMPACTS...Plan on slippery road conditions.

Slow down and use caution while traveling. Check local Department of Transportation information services for the latest road conditions.


Special Weather Statement issued January 17 at 12:32PM EST by NWS Upton NY

Effective: Sat January 17, 2026, 12:32 PM
Expires: Sat January 17, 2026, 4:00 PM

Snow, heavy at times, will continue to fall through this afternoon. Total accumulation of an inch or two can be expected. Visibility may be reduced to a quarter mile at times. Slow down and use caution while traveling. Check local Department of Transportation information services for the latest road conditions.


Winter Weather Advisory issued January 17 at 1:20PM EST until January 18 at 10:00PM EST by NWS Upton NY

Effective: Sat January 17, 2026, 1:20 PM
Expires: Sat January 17, 2026, 9:30 PM

* WHAT...Snow expected. Total snow accumulations between 2 and 4 inches. * WHERE...Portions of southern Connecticut and southeast New York. * WHEN...From 10 AM to 10 PM EST Sunday. * IMPACTS...Plan on slippery road conditions.

Slow down and use caution while traveling. Check local Department of Transportation information services for the latest road conditions.


Special Weather Statement issued January 17 at 10:55AM EST by NWS Upton NY

Effective: Sat January 17, 2026, 10:55 AM
Expires: Sat January 17, 2026, 2:00 PM

Light to occasionally moderate snow will continue to develop through early this afternoon. Visibility may be reduced to around a half mile at times. Accumulations of around an inch can be expected. Extra caution should be used if traveling today.


Winter Weather Advisory issued January 17 at 1:20PM EST until January 17 at 4:00PM EST by NWS Upton NY

Effective: Sat January 17, 2026, 1:20 PM
Expires: Sat January 17, 2026, 9:30 PM

* WHAT...For the first Winter Weather Advisory, snow. Total snow accumulations between 2 and 4 inches. For the second Winter Weather Advisory, snow expected. Total snow accumulations between 2 and 4 inches. * WHERE...In Connecticut, Northern Fairfield County. In New Jersey, Western Bergen County. In New York, Northern Westchester, Putnam, and Rockland Counties. * WHEN...For the first Winter Weather Advisory, until 4 PM EST this afternoon. For the second Winter Weather Advisory, from 7 AM to 8 PM EST Sunday. * IMPACTS...Plan on slippery road conditions.

Slow down and use caution while traveling. Check local Department of Transportation information services for the latest road conditions.


Winter Weather Advisory issued January 17 at 1:20PM EST until January 18 at 8:00PM EST by NWS Upton NY

Effective: Sat January 17, 2026, 1:20 PM
Expires: Sat January 17, 2026, 9:30 PM

* WHAT...For the first Winter Weather Advisory, snow. Total snow accumulations between 2 and 4 inches. For the second Winter Weather Advisory, snow expected. Total snow accumulations between 2 and 4 inches. * WHERE...In Connecticut, Northern Fairfield County. In New Jersey, Western Bergen County. In New York, Northern Westchester, Putnam, and Rockland Counties. * WHEN...For the first Winter Weather Advisory, until 4 PM EST this afternoon. For the second Winter Weather Advisory, from 7 AM to 8 PM EST Sunday. * IMPACTS...Plan on slippery road conditions.

Slow down and use caution while traveling. Check local Department of Transportation information services for the latest road conditions.


Special Weather Statement issued January 17 at 12:32PM EST by NWS Upton NY

Effective: Sat January 17, 2026, 12:32 PM
Expires: Sat January 17, 2026, 4:00 PM

Snow, heavy at times, will continue to fall through this afternoon. Total accumulation of 1 to 3 inches can be expected. Visibility may be reduced to a quarter mile at times. Slow down and use caution while traveling. Check local Department of Transportation information services for the latest road conditions.


Special Weather Statement issued January 17 at 10:55AM EST by NWS Upton NY

Effective: Sat January 17, 2026, 10:55 AM
Expires: Sat January 17, 2026, 2:00 PM

Light to moderate snow will continue into early this afternoon. Visibility will be reduced to around a half mile at times. Accumulations of 1 to 3 inches can be expected. Extra caution should be used if traveling today.


Special Weather Statement issued January 17 at 12:32PM EST by NWS Upton NY

Effective: Sat January 17, 2026, 12:32 PM
Expires: Sat January 17, 2026, 4:00 PM

Snow will continue to develop early this afternoon, falling light to moderate into late afternoon. Total accumulation of up to an inch can be expected. Visibility may be reduced to a half mile at times. Slow down and use caution while traveling. Check local Department of Transportation information services for the latest road conditions.


Saturday, January 17, 2026

Weather Forecast

Overcast
40.8°F
33.8°F
37.1°F
70%
0 in
0%
0%
16.1 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 7.8 μg/m3
PM10: 9.14 μg/m3
Carbon Monoxide: 187.23 μg/m3
Nitrogen Dioxide: 15.97 μg/m3
Sulphur Dioxide: 5.51 μg/m3
Ozone: 51.84 μg/m3

Astronomical

Sunrise: 7:12 AM
Sun Transit: 12:02 AM
Sunset: 4:54 PM
Daylight: 9 hrs 41 mins
Moonrise: 6:44 AM
Moon Transit: 11:08 AM
Moonset: 3:38 PM
Moon Phase: New
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

12:32 AM - 3:02 AM
10:38 AM - 1:08 PM

Minor Periods

3:08 PM - 4:38 PM
6:14 AM - 7:44 AM

Action Rating: 4 out of 5

Sunday, January 18, 2026

Weather Forecast

Moderate rain
37.3°F
29°F
34.4°F
74%
0.63 in
65%
26%
17 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 15.2 μg/m3
PM10: 15.92 μg/m3
Carbon Monoxide: 244.63 μg/m3
Nitrogen Dioxide: 37.69 μg/m3
Sulphur Dioxide: 8.92 μg/m3
Ozone: 22.69 μg/m3

Astronomical

Sunrise: 7:12 AM
Sun Transit: 12:03 AM
Sunset: 4:55 PM
Daylight: 9 hrs 43 mins
Moonrise: 7:23 AM
Moon Transit: 12:00 AM
Moonset: 4:43 PM
Moon Phase: New
Moon Illumination: 2.5%

Best Times for Fishing or Hunting

Major Periods

1:24 AM - 3:54 AM
11:30 AM - 2:00 PM

Minor Periods

4:13 PM - 5:43 PM
6:53 AM - 8:23 AM

Action Rating: 4 out of 5

Monday, January 19, 2026

Weather Forecast

Blizzard
29.3°F
24.8°F
26.4°F
85%
0.8 in
67%
30%
21.3 mph
0


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:11 AM
Sun Transit: 12:03 AM
Sunset: 4:56 PM
Daylight: 9 hrs 45 mins
Moonrise: 7:57 AM
Moon Transit: 12:49 AM
Moonset: 5:50 PM
Moon Phase: New
Moon Illumination: 0.4%

Best Times for Fishing or Hunting

Major Periods

2:14 AM - 4:44 AM
12:19 AM - 2:49 PM

Minor Periods

5:20 PM - 6:50 PM
7:27 AM - 8:57 AM

Action Rating: 5 out of 5

Tuesday, January 20, 2026

Weather Forecast

Partly Cloudy
23.9°F
15.8°F
20.6°F
75%
0 in
0%
8%
17 mph
2


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:11 AM
Sun Transit: 12:03 AM
Sunset: 4:57 PM
Daylight: 9 hrs 46 mins
Moonrise: 8:25 AM
Moon Transit: 1:37 PM
Moonset: 6:58 PM
Moon Phase: New
Moon Illumination: 3.1%

Best Times for Fishing or Hunting

Major Periods

3:02 AM - 5:32 AM
1:07 PM - 3:37 PM

Minor Periods

6:28 PM - 7:58 PM
7:55 AM - 9:25 AM

Action Rating: 3 out of 5

Wednesday, January 21, 2026

Weather Forecast

Cloudy
17.6°F
9.7°F
14°F
70%
0 in
0%
10%
17 mph
1


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:10 AM
Sun Transit: 12:04 AM
Sunset: 4:58 PM
Daylight: 9 hrs 48 mins
Moonrise: 8:50 AM
Moon Transit: 2:22 PM
Moonset: 8:05 PM
Moon Phase: Waxing Crescent
Moon Illumination: 8.1%

Best Times for Fishing or Hunting

Major Periods

3:48 AM - 6:18 AM
1:52 PM - 4:22 PM

Minor Periods

7:35 PM - 9:05 PM
8:20 AM - 9:50 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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