Water Temperature of the Atlantic Ocean Near Islip, NY

Current Water Temperature

43.2°F

Measurement Time: Saturday, January 17, 2026, 11:20 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

33.1°F
Partly cloudy
Partly cloudy
26.5°F
38.6°F
78%
WSW 7.4 mph
11.3 mph
33°F
27.7°F
0 in
75%
8 mi
1019 mbar
0

Five Day Weather Forecast

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
Heavy snow
Thu
H: 29°F
L: 20°F

Air Quality

PM2.5: 14.85 μg/m3
PM10: 14.95 μg/m3
Carbon Monoxide: 253.85 μg/m3
Nitrogen Dioxide: 35.55 μg/m3
Sulphur Dioxide: 12.45 μg/m3
Ozone: 22 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

Special Weather Statement issued January 17 at 5:51PM EST by NWS Upton NY

Effective: Sat January 17, 2026, 5:51 PM
Expires: Sun January 18, 2026, 4:00 AM

Roads remain wet from earlier precipitation, and with light winds and temperatures falling into the 20s and lower 30s, areas of black ice may develop. Motorists and pedestrians should use extra caution. Reduce speed, allow extra time, and be prepared for slippery travel.


Winter Weather Advisory issued January 17 at 3:15PM EST until January 18 at 8:00PM EST by NWS Upton NY

Effective: Sat January 17, 2026, 3:15 PM
Expires: Sat January 17, 2026, 11:15 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.


Winter Weather Advisory issued January 18 at 1:18AM EST until January 19 at 12:00AM EST by NWS Upton NY

Effective: Sun January 18, 2026, 1:18 AM
Expires: Sun January 18, 2026, 6:15 PM

* WHAT...Snow expected. Total snow accumulations between 3 and 5 inches. * WHERE...Portions of southern Connecticut, northeast New Jersey, and southeast New York. * WHEN...From 7 AM this morning to midnight EST tonight. * IMPACTS...Plan on slippery road conditions. * ADDITIONAL DETAILS...There may be a lull snowfall activity during the afternoon today.

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 3:15PM EST until January 18 at 10:00PM EST by NWS Upton NY

Effective: Sat January 17, 2026, 3:15 PM
Expires: Sat January 17, 2026, 11:15 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.


Winter Weather Advisory issued January 18 at 1:18AM EST until January 19 at 4:00AM EST by NWS Upton NY

Effective: Sun January 18, 2026, 1:18 AM
Expires: Sun January 18, 2026, 6:15 PM

* WHAT...Snow expected. Total snow accumulations between 3 and 5 inches. Isolated amounts up to 7 inches are possible in northern New London and northern Middlesex Counties. * WHERE...Portions of southern Connecticut and southeast New York. * WHEN...From 10 AM this morning to 4 AM EST Monday. * IMPACTS...Plan on slippery road conditions. * ADDITIONAL DETAILS...Precipitation may start off as a rain/snow mix at the coast. By late this afternoon all snow is expected. The bulk of the accumulation is expected to be after 5 pm today.

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

Thursday, January 22, 2026

Weather Forecast

Heavy snow
29.3°F
19.8°F
24.4°F
85%
0.07 in
77%
42%
15 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: 7:09 AM
Sun Transit: 12:04 AM
Sunset: 4:59 PM
Daylight: 9 hrs 50 mins
Moonrise: 9:12 AM
Moon Transit: 12:00 AM
Moonset: 9:13 PM
Moon Phase: Waxing Crescent
Moon Illumination: 15.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
4:33 AM - 7:03 AM

Minor Periods

8:43 PM - 10:13 PM
8:42 AM - 10:12 AM

Action Rating: 3 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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