Water Temperature of the Atlantic Ocean Near Islip, NY

Current Water Temperature

44.2°F

Measurement Time: Thursday, January 22, 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

46.9°F
Partly cloudy
Partly cloudy
40.8°F
51.3°F
34%
WSW 14.5 mph
21.2 mph
46.7°F
27.2°F
0 in
75%
9 mi
1015 mbar
0.1

Five Day Weather Forecast

Sunny
Thu
H: 52°F
L: 32°F
Partly Cloudy
Fri
H: 35°F
L: 17°F
Partly Cloudy
Sat
H: 17°F
L: 9°F
Moderate or heavy snow showers
Sun
H: 19°F
L: 15°F
Blizzard
Mon
H: 26°F
L: 21°F

Air Quality

AQI: 1 - Good
PM2.5: 8.85 μg/m3
PM10: 8.95 μg/m3
Carbon Monoxide: 221.85 μg/m3
Nitrogen Dioxide: 25.75 μg/m3
Sulphur Dioxide: 8.65 μg/m3
Ozone: 51 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

Winter Storm Watch issued January 22 at 12:26PM EST until January 26 at 6:00PM EST by NWS Upton NY

Effective: Thu January 22, 2026, 12:26 PM
Expires: Thu January 22, 2026, 8:30 PM

* WHAT...Heavy snow possible. Precipitation could mix with sleet and freezing rain for a time Sunday night especially closer to the coast. Potential for snow accumulation of 6 to 12 inches, with localized accumulations over 12 inches possible. * WHERE...All of southeast New York, northeast New Jersey, and southern Connecticut. * WHEN...From late Saturday night through Monday afternoon. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Visibilities may drop below one quarter mile in heavy snow.

Persons should consider delaying all travel from Sunday into Monday. If travel is absolutely necessary, drive with extreme caution. Make sure your car is winterized and in good working order. Consider taking a winter storm kit along with you, including such items as tire chains, booster cables, flashlight, shovel, blankets and extra clothing. Also take water, a first aid kit, and anything else that would help you survive in case you become stranded.


Cold Weather Advisory issued January 22 at 1:07PM EST until January 24 at 10:00AM EST by NWS Upton NY

Effective: Thu January 22, 2026, 1:07 PM
Expires: Fri January 23, 2026, 6:00 AM

* WHAT...Very cold wind chills around 5 below expected. * WHERE...Portions of northeast New Jersey and southeast New York. * WHEN...From 10 PM Friday to 10 AM EST Saturday. * IMPACTS...Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures for any prolonged period of time.

Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside.


Cold Weather Advisory issued January 22 at 1:07PM EST until January 24 at 10:00AM EST by NWS Upton NY

Effective: Thu January 22, 2026, 1:07 PM
Expires: Fri January 23, 2026, 6:00 AM

* WHAT...Very cold wind chills around 10 below expected. * WHERE...Portions of southern Connecticut, northeast New Jersey, and southeast New York. * WHEN...From 10 PM Friday to 10 AM EST Saturday. * IMPACTS...Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures for any prolonged period of time.

Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside.


Thursday, January 22, 2026

Weather Forecast

Sunny
51.8°F
31.8°F
40.3°F
61%
0 in
0%
0%
18.3 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 8.38 μg/m3
PM10: 9.53 μg/m3
Carbon Monoxide: 203.77 μg/m3
Nitrogen Dioxide: 14.56 μg/m3
Sulphur Dioxide: 6.05 μg/m3
Ozone: 66.04 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

Friday, January 23, 2026

Weather Forecast

Partly Cloudy
34.5°F
16.8°F
29.6°F
55%
0 in
0%
0%
20.1 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 5.57 μg/m3
PM10: 5.69 μg/m3
Carbon Monoxide: 204.09 μg/m3
Nitrogen Dioxide: 15.39 μg/m3
Sulphur Dioxide: 6.07 μg/m3
Ozone: 62.6 μg/m3

Astronomical

Sunrise: 7:09 AM
Sun Transit: 12:04 AM
Sunset: 5:01 PM
Daylight: 9 hrs 52 mins
Moonrise: 9:34 AM
Moon Transit: 9:54 AM
Moonset: 10:21 PM
Moon Phase: Waxing Crescent
Moon Illumination: 24.4%

Best Times for Fishing or Hunting

Major Periods

9:24 AM - 11:54 AM
9:24 AM - 11:54 AM

Minor Periods

9:51 PM - 11:21 PM
9:04 AM - 10:34 AM

Action Rating: 2 out of 5

Saturday, January 24, 2026

Weather Forecast

Partly Cloudy
16.9°F
8.8°F
13.6°F
46%
0 in
0%
0%
18.6 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 3.39 μg/m3
PM10: 3.53 μg/m3
Carbon Monoxide: 174.41 μg/m3
Nitrogen Dioxide: 8.24 μg/m3
Sulphur Dioxide: 2.57 μg/m3
Ozone: 65.88 μg/m3

Astronomical

Sunrise: 7:08 AM
Sun Transit: 12:04 AM
Sunset: 5:02 PM
Daylight: 9 hrs 54 mins
Moonrise: 9:57 AM
Moon Transit: 4:37 PM
Moonset: 11:31 PM
Moon Phase: First Quarter
Moon Illumination: 34.7%

Best Times for Fishing or Hunting

Major Periods

6:03 AM - 8:33 AM
4:07 PM - 6:37 PM

Minor Periods

12:00 AM - 12:00 AM
9:27 AM - 10:57 AM

Action Rating: 2 out of 5

Sunday, January 25, 2026

Weather Forecast

Moderate or heavy snow showers
19.2°F
14.7°F
16.7°F
72%
1.84 in
63%
33%
18.3 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 4.02 μg/m3
PM10: 4.22 μg/m3
Carbon Monoxide: 184.04 μg/m3
Nitrogen Dioxide: 10.41 μg/m3
Sulphur Dioxide: 2.37 μg/m3
Ozone: 65.56 μg/m3

Astronomical

Sunrise: 7:07 AM
Sun Transit: 12:05 AM
Sunset: 5:03 PM
Daylight: 9 hrs 55 mins
Moonrise: 10:23 AM
Moon Transit: 5:27 PM
Moonset: 12:31 AM
Moon Phase: First Quarter
Moon Illumination: 45.8%

Best Times for Fishing or Hunting

Major Periods

6:51 AM - 9:21 AM
4:57 PM - 7:27 PM

Minor Periods

9:53 AM - 11:23 AM
12:00 AM - 12:00 AM

Action Rating: 4 out of 5

Monday, January 26, 2026

Weather Forecast

Blizzard
25.7°F
20.7°F
23.6°F
94%
0.87 in
60%
65%
20.4 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 3.1 μg/m3
PM10: 3.73 μg/m3
Carbon Monoxide: 169.87 μg/m3
Nitrogen Dioxide: 6.33 μg/m3
Sulphur Dioxide: 1.62 μg/m3
Ozone: 72.46 μg/m3

Astronomical

Sunrise: 7:07 AM
Sun Transit: 12:05 AM
Sunset: 5:04 PM
Daylight: 9 hrs 57 mins
Moonrise: 10:53 AM
Moon Transit: 6:20 PM
Moonset: 12:45 AM
Moon Phase: First Quarter
Moon Illumination: 57.1%

Best Times for Fishing or Hunting

Major Periods

7:42 AM - 10:12 AM
5:50 PM - 8:20 PM

Minor Periods

10:23 AM - 11:53 AM
12:15 AM - 1:45 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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