Water Temperature of the Atlantic Ocean Near Islip, NY
Current Water Temperature
Measurement Time: Sunday, January 25, 2026, 7:30 PM EST
Temperature Locations
View Nearby Locations View All New York Locations View Locations Near Me
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

Five Day Weather Forecast

Sun
H: 29°F
L: 13°F

Mon
H: 30°F
L: 17°F

Tue
H: 24°F
L: 12°F

Wed
H: 29°F
L: 13°F

Thu
H: 21°F
L: 8°F
Air Quality
Nitrogen Dioxide: 3.25 μg/m3
Sulphur Dioxide: 1.35 μg/m3
Ozone: 78 μg/m3
Astronomical
Sun Transit: 12:05 AM
Sunset: 5:03 PM
Daylight: 9 hrs 55 mins
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 AM4:57 PM - 7:27 PM
Minor Periods
9:53 AM - 11:23 AM12:00 AM - 12:00 AM
Action Rating: 4 out of 5
Coastal Flood Statement issued January 24 at 1:44PM EST until January 26 at 6:00AM EST by NWS Upton NY
Effective: Sat January 24, 2026, 1:44 PM
Expires: Mon January 26, 2026, 6:00 AM
* WHAT...Less than one foot of inundation above ground level expected in vulnerable areas near the waterfront and shoreline. * WHERE...In Connecticut, Southern Fairfield County. In New York, Southern Westchester, Bronx, Northwest Suffolk, Northeast Suffolk, Southeast Suffolk, Northern Queens and Northern Nassau Counties. * WHEN...Late Sunday night. * COASTAL FLOOD IMPACTS...Brief minor flooding of the most vulnerable locations near the waterfront and shoreline. * SHORELINE IMPACTS...3 to 5 ft breaking waves along north to northeast facing shorelines along western Long Island Sound and Gardiners Bay will locally exacerbate flooding of shoreline roads and adjacent properties, with minor beach erosion.
Do not drive through flooded roadways.
Coastal Flood Statement issued January 24 at 1:44PM EST until January 26 at 4:00AM EST by NWS Upton NY
Effective: Sat January 24, 2026, 1:44 PM
Expires: Mon January 26, 2026, 4:00 AM
* WHAT...Less than one foot of inundation above ground level expected in vulnerable areas near the waterfront and shoreline. * WHERE...Southern Nassau County. * WHEN...Late Sunday night. * IMPACTS...Brief minor flooding of the most vulnerable locations near the waterfront and shoreline.
Do not drive through flooded roadways.
Coastal Flood Statement issued January 25 at 3:15PM EST until January 26 at 6:00AM EST by NWS Upton NY
Effective: Sun January 25, 2026, 3:15 PM
Expires: Mon January 26, 2026, 6:00 AM
* WHAT...Up to one half foot of inundation above ground level expected in vulnerable areas near the waterfront and shoreline. * WHERE...In Connecticut, Southern Fairfield County. In New York, Southern Westchester, Bronx, Northwest Suffolk, Northeast Suffolk, Southeast Suffolk, Northern Queens and Northern Nassau Counties. * WHEN...From 1 AM EST Monday through late tonight. * COASTAL FLOOD IMPACTS...Brief minor flooding of the most vulnerable locations near the waterfront and shoreline. * SHORELINE IMPACTS...Breaking waves 3 to 5 feet along north to northeast facing shorelines along western Long Island Sound and Gardiners Bay could locally exacerbate flooding of shoreline roads and adjacent properties, with minor beach erosion also possible.
Do not drive through flooded roadways.
Winter Storm Warning issued January 25 at 1:54PM EST until January 26 at 1:00PM EST by NWS Upton NY
Effective: Sun January 25, 2026, 1:54 PM
Expires: Sun January 25, 2026, 10:00 PM
* WHAT...Heavy snow, mixing with and changing to sleet late this afternoon and then mixing with or changing to light freezing rain tonight. Additional snow and sleet accumulations between 3 and 5 inches and ice accumulations up to one tenth of an inch. Winds gusting as high as 40 mph. * WHERE...Portions of northeast New Jersey and southeast New York. * WHEN...Until 1 PM EST Monday. * IMPACTS...Roads, and especially bridges and overpasses, are already slick and hazardous. Visibilities may drop below 1/4 mile due to falling and blowing snow.
If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Check local Department of Transportation information services for the latest road conditions.
Coastal Flood Statement issued January 25 at 3:15PM EST until January 26 at 4:00AM EST by NWS Upton NY
Effective: Sun January 25, 2026, 3:15 PM
Expires: Mon January 26, 2026, 4:00 AM
* WHAT...Up to one half foot of inundation above ground level expected in vulnerable areas near the waterfront and shoreline. * WHERE...Southern Nassau County. * WHEN...From midnight EST tonight through late tonight. * IMPACTS...Brief minor flooding of the more vulnerable locations near the waterfront and shoreline.
Do not drive through flooded roadways.
Coastal Flood Statement issued January 25 at 3:15PM EST until January 26 at 4:00AM EST by NWS Upton NY
Effective: Sun January 25, 2026, 3:15 PM
Expires: Mon January 26, 2026, 4:00 AM
* WHAT...Up to one half foot of inundation above ground level expected in vulnerable areas near the waterfront and shoreline. * WHERE...In New Jersey, Hudson, Eastern Essex and Eastern Union Counties. In New York, Richmond (Staten Island) and Southern Queens Counties. * WHEN...From midnight EST tonight through late tonight. * IMPACTS...Brief minor flooding of the more vulnerable locations near the waterfront and shoreline.
Do not drive through flooded roadways.
Winter Storm Warning issued January 25 at 1:54PM EST until January 26 at 1:00PM EST by NWS Upton NY
Effective: Sun January 25, 2026, 1:54 PM
Expires: Sun January 25, 2026, 10:00 PM
* WHAT...Heavy snow, mixing with or changing to sleet this evening, then changing to light freezing rain or freezing drizzle overnight. Additional snow and sleet accumulations between 5 and 11 inches and ice accumulations around a light glaze. Winds gusting as high as 35 mph. * WHERE...Portions of southern Connecticut, northeast New Jersey, and southeast New York. * WHEN...Until 1 PM EST Monday. * IMPACTS...Roads, and especially bridges and overpasses, are already slick and hazardous. Visibilities may drop below 1/4 mile due to falling and blowing snow.
If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Check local Department of Transportation information services for the latest road conditions.
Weather Forecast
Air Quality
Nitrogen Dioxide: 9.25 μg/m3
Sulphur Dioxide: 2.32 μg/m3
Ozone: 68.8 μg/m3
Astronomical
Sun Transit: 12:05 AM
Sunset: 5:03 PM
Daylight: 9 hrs 55 mins
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 AM4:57 PM - 7:27 PM
Minor Periods
9:53 AM - 11:23 AM12:00 AM - 12:00 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 12.49 μg/m3
Sulphur Dioxide: 2.61 μg/m3
Ozone: 67 μg/m3
Astronomical
Sun Transit: 12:05 AM
Sunset: 5:04 PM
Daylight: 9 hrs 57 mins
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 AM5:50 PM - 8:20 PM
Minor Periods
10:23 AM - 11:53 AM12:15 AM - 1:45 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 15.01 μg/m3
Sulphur Dioxide: 4.46 μg/m3
Ozone: 64.96 μg/m3
Astronomical
Sun Transit: 12:05 AM
Sunset: 5:05 PM
Daylight: 9 hrs 59 mins
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 AM6:48 PM - 9:18 PM
Minor Periods
11:00 AM - 12:30 AM1:31 AM - 3:01 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 23.5 μg/m3
Sulphur Dioxide: 4.96 μg/m3
Ozone: 48.96 μg/m3
Astronomical
Sun Transit: 12:05 AM
Sunset: 5:06 PM
Daylight: 10 hrs 1 mins
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 AM7:51 PM - 10:21 PM
Minor Periods
11:48 AM - 1:18 PM2:47 AM - 4:17 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 54.36 μg/m3
Sulphur Dioxide: 5.23 μg/m3
Ozone: 16.15 μg/m3
Astronomical
Sun Transit: 12:05 AM
Sunset: 5:08 PM
Daylight: 10 hrs 3 mins
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 PM8:55 PM - 11:25 PM
Minor Periods
12:47 AM - 2:17 PM4:00 AM - 5:30 AM
Action Rating: 2 out of 5
