Water Temperature of the Atlantic Ocean Near Islip, NY

Current Water Temperature

41.2°F

Measurement Time: Tuesday, January 27, 2026, 7:20 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

17.1°F
Overcast
Overcast
2.6°F
17.1°F
53%
W 14.5 mph
22.6 mph
8.1°F
9.9°F
0 in
25%
9 mi
1015 mbar
0

Five Day Weather Forecast

Sunny
Tue
H: 27°F
L: 7°F
Partly Cloudy
Wed
H: 25°F
L: 3°F
Sunny
Thu
H: 26°F
L: 12°F
Sunny
Fri
H: 18°F
L: 8°F
Partly Cloudy
Sat
H: 21°F
L: 0°F

Air Quality

AQI: 1 - Good
PM2.5: 15.45 μg/m3
PM10: 15.65 μg/m3
Carbon Monoxide: 256.85 μg/m3
Nitrogen Dioxide: 20.55 μg/m3
Sulphur Dioxide: 6.15 μg/m3
Ozone: 55 μg/m3

Astronomical

Sunrise: 7:06 AM
Sun Transit: 12:05 AM
Sunset: 5:05 PM
Daylight: 9 hrs 59 mins
Moonrise: 11:30 AM
Moon Transit: 7:18 PM
Moonset: 2:01 AM
Moon Phase: First Quarter
Moon Illumination: 68.0%

Best Times for Fishing or Hunting

Major Periods

8:39 AM - 11:09 AM
6:48 PM - 9:18 PM

Minor Periods

11:00 AM - 12:30 AM
1:31 AM - 3:01 AM

Action Rating: 2 out of 5

Cold Weather Advisory issued January 27 at 3:26PM EST until January 28 at 10:00AM EST by NWS Upton NY

Effective: Tue January 27, 2026, 3:26 PM
Expires: Tue January 27, 2026, 11:30 PM

* WHAT...Very cold wind chills as low as 5 below expected. * WHERE...Northern Nassau and Southern Nassau Counties. * WHEN...From midnight tonight to 10 AM EST Wednesday. * IMPACTS...The cold wind chills could result in hypothermia if precautions are not taken.

Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves.


Cold Weather Advisory issued January 27 at 3:26PM EST until January 28 at 10:00AM EST by NWS Upton NY

Effective: Tue January 27, 2026, 3:26 PM
Expires: Tue January 27, 2026, 11:30 PM

* WHAT...Very cold wind chills as low as 6 below expected. * WHERE...Bronx, Kings (Brooklyn), New York (Manhattan), Northern Queens, Richmond (Staten Island), and Southern Queens Counties. * WHEN...From midnight tonight to 10 AM EST Wednesday. * IMPACTS...The cold wind chills could result in hypothermia if precautions are not taken.

Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves.


Cold Weather Advisory issued January 27 at 3:26PM EST until January 28 at 10:00AM EST by NWS Upton NY

Effective: Tue January 27, 2026, 3:26 PM
Expires: Tue January 27, 2026, 11:30 PM

* WHAT...Very cold wind chills as low as 6 below expected. * WHERE...Eastern Essex, Eastern Union, Hudson, Western Essex, and Western Union Counties. * WHEN...From midnight tonight to 10 AM EST Wednesday. * IMPACTS...The cold wind chills could result in hypothermia if precautions are not taken.

Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves.
Tuesday, January 27, 2026

Weather Forecast

Sunny
27.1°F
7.3°F
16.1°F
65%
0 in
0%
11%
18.8 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 8.79 μg/m3
PM10: 8.98 μg/m3
Carbon Monoxide: 234.05 μg/m3
Nitrogen Dioxide: 15.62 μg/m3
Sulphur Dioxide: 4.86 μg/m3
Ozone: 63.76 μg/m3

Astronomical

Sunrise: 7:06 AM
Sun Transit: 12:05 AM
Sunset: 5:05 PM
Daylight: 9 hrs 59 mins
Moonrise: 11:30 AM
Moon Transit: 7:18 PM
Moonset: 2:01 AM
Moon Phase: First Quarter
Moon Illumination: 68.0%

Best Times for Fishing or Hunting

Major Periods

8:39 AM - 11:09 AM
6:48 PM - 9:18 PM

Minor Periods

11:00 AM - 12:30 AM
1:31 AM - 3:01 AM

Action Rating: 2 out of 5

Wednesday, January 28, 2026

Weather Forecast

Partly Cloudy
25.2°F
2.8°F
14.8°F
73%
0 in
0%
0%
12.1 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 12.63 μg/m3
PM10: 12.83 μg/m3
Carbon Monoxide: 291.77 μg/m3
Nitrogen Dioxide: 21.87 μg/m3
Sulphur Dioxide: 4.9 μg/m3
Ozone: 54.8 μg/m3

Astronomical

Sunrise: 7:05 AM
Sun Transit: 12:05 AM
Sunset: 5:06 PM
Daylight: 10 hrs 1 mins
Moonrise: 12:18 AM
Moon Transit: 8:21 PM
Moonset: 3:17 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 78.1%

Best Times for Fishing or Hunting

Major Periods

9:39 AM - 12:09 AM
7:51 PM - 10:21 PM

Minor Periods

11:48 AM - 1:18 PM
2:47 AM - 4:17 AM

Action Rating: 2 out of 5

Thursday, January 29, 2026

Weather Forecast

Sunny
26.4°F
12.4°F
18.5°F
74%
0 in
0%
0%
13 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 13.09 μg/m3
PM10: 13.3 μg/m3
Carbon Monoxide: 300.33 μg/m3
Nitrogen Dioxide: 30.99 μg/m3
Sulphur Dioxide: 4.17 μg/m3
Ozone: 43.04 μg/m3

Astronomical

Sunrise: 7:04 AM
Sun Transit: 12:05 AM
Sunset: 5:08 PM
Daylight: 10 hrs 3 mins
Moonrise: 1:17 PM
Moon Transit: 9:25 PM
Moonset: 4:30 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 86.7%

Best Times for Fishing or Hunting

Major Periods

10:44 AM - 1:14 PM
8:55 PM - 11:25 PM

Minor Periods

12:47 AM - 2:17 PM
4:00 AM - 5:30 AM

Action Rating: 2 out of 5

Friday, January 30, 2026

Weather Forecast

Sunny
17.6°F
7.9°F
13.4°F
70%
0 in
0%
0%
13.9 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 6.6 μg/m3
PM10: 6.7 μg/m3
Carbon Monoxide: 267 μg/m3
Nitrogen Dioxide: 17.51 μg/m3
Sulphur Dioxide: 3.09 μg/m3
Ozone: 55.48 μg/m3

Astronomical

Sunrise: 7:03 AM
Sun Transit: 12:05 AM
Sunset: 5:09 PM
Daylight: 10 hrs 5 mins
Moonrise: 2:28 PM
Moon Transit: 10:29 PM
Moonset: 5:32 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 93.4%

Best Times for Fishing or Hunting

Major Periods

11:48 AM - 2:18 PM
12:00 AM - 12:00 AM

Minor Periods

1:58 PM - 3:28 PM
5:02 AM - 6:32 AM

Action Rating: 2 out of 5

Saturday, January 31, 2026

Weather Forecast

Partly Cloudy
20.6°F
0.4°F
12.7°F
88%
0 in
0%
3%
18.6 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 6.09 μg/m3
PM10: 6.21 μg/m3
Carbon Monoxide: 242.91 μg/m3
Nitrogen Dioxide: 18.46 μg/m3
Sulphur Dioxide: 2.63 μg/m3
Ozone: 51.46 μg/m3

Astronomical

Sunrise: 7:02 AM
Sun Transit: 12:06 AM
Sunset: 5:10 PM
Daylight: 10 hrs 8 mins
Moonrise: 3:44 PM
Moon Transit: 11:29 PM
Moonset: 6:23 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.9%

Best Times for Fishing or Hunting

Major Periods

12:50 AM - 3:20 PM
12:00 AM - 12:00 AM

Minor Periods

3:14 PM - 4:44 PM
5:53 AM - 7:23 AM

Action Rating: 4 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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