Water Temperature of the Atlantic Ocean Near Islip, NY
Current Water Temperature
Measurement Time: Sunday, October 19, 2025, 7:20 PM EDT
Temperature Locations
View Nearby Locations View All New York Locations View Locations Near Me
Sponsored Content
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 / 0 meters
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 (44.0 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

Humidity: 93%
Feels Like: 63°F
Wind: ESE 22.6 mph
Wind Gusts: 37.2 mph
Precipitation: 0.29 in
Cloud Cover: 100%
Visibility: 0 mi
UV Index: 0
Five Day Weather Forecast

Thu
H: 53°F
L: 48°F

Fri
H: 55°F
L: 48°F

Sat
H: 58°F
L: 46°F

Sun
H: 56°F
L: 47°F

Mon
H: 58°F
L: 48°F
Air Quality
Nitrogen Dioxide: 2.85 μg/m3
Sulphur Dioxide: 1.35 μg/m3
Ozone: 78 μg/m3
Astronomical
Sun Transit: 12:36 AM
Sunset: 5:52 PM
Daylight: 10 hrs 32 mins
Moon Transit: 8:00 PM
Moonset: 12:11 AM
Moon Phase: First Quarter
Moon Illumination: 63.7%
Best Times for Fishing or Hunting
Major Periods
9:25 AM - 11:55 AM7:30 PM - 10:00 PM
Minor Periods
2:21 PM - 3:51 PM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Coastal Flood Advisory issued October 30 at 3:57AM EDT until October 30 at 6:00PM EDT by NWS Upton NY
Effective: Thu October 30, 2025, 3:57 AM
Expires: Thu October 30, 2025, 6:00 PM
* WHAT...One to two feet of inundation above ground level expected in vulnerable areas near the waterfront and shoreline. * WHERE...Southern Queens and Southern Nassau Counties. * WHEN...From 1 PM to 6 PM EDT this afternoon and evening. * COASTAL FLOOD IMPACTS...Minor flooding in the more vulnerable locations near the waterfront and shoreline. Some roads and low lying properties including parking lots, parks, lawns, and homes and businesses with basements near the waterfront will experience minor flooding. * SHORELINE IMPACTS...Breaking waves of 5 to 7 ft along the oceanfront will result in beach erosion flooding during the time of high tides with only minor damage possible to dune structures. * ADDITIONAL DETAILS...Locally moderate coastal flooding is possible across the most vulnerable locations along the shoreline in Southern Nassau.
If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.
Coastal Flood Statement issued October 30 at 3:57AM EDT until October 30 at 6:00PM EDT by NWS Upton NY
Effective: Thu October 30, 2025, 3:57 AM
Expires: Thu October 30, 2025, 6:00 PM
* WHAT...Up to one half foot of inundation above ground level expected in vulnerable areas near the waterfront and shoreline. * WHERE...Southeast Suffolk County. * WHEN...This afternoon. * COASTAL FLOOD IMPACTS...Brief minor flooding of the more vulnerable locations near the waterfront and shoreline. * SHORELINE IMPACTS...Breaking waves of 5 to 7 ft along the oceanfront will result in beach erosion flooding during the time of high tides with only minor damage possible to dune structures.
Do not drive through flooded roadways.
Coastal Flood Statement issued October 30 at 3:57AM EDT until October 30 at 8:00PM EDT by NWS Upton NY
Effective: Thu October 30, 2025, 3:57 AM
Expires: Thu October 30, 2025, 8:00 PM
* WHAT...Up to one half foot of inundation above ground level expected in vulnerable areas near the waterfront and shoreline. * WHERE...Northeast Suffolk County. * WHEN...From this afternoon through this evening. * COASTAL FLOOD IMPACTS...Some water on low lying roads and property. * SHORELINE IMPACTS...Breaking waves of 4 to 7 ft along the shoreline will result in beach erosion as well as splashover onto shoreline roads and properties. Minor damage to shorefront structures possible.
Do not drive through flooded roadways.
Coastal Flood Advisory issued October 30 at 3:57AM EDT until October 30 at 9:00PM EDT by NWS Upton NY
Effective: Thu October 30, 2025, 3:57 AM
Expires: Thu October 30, 2025, 9:00 PM
* WHAT...One to locally two feet of inundation above ground level expected in vulnerable areas near the waterfront and shoreline. * WHERE...Southwest Suffolk County. * WHEN...From 2 PM to 9 PM EDT this afternoon and evening. * IMPACTS...Minor flooding in the more vulnerable locations near the waterfront and shoreline. Some roads and low lying properties including parking lots, parks, lawns, and homes and businesses with basements near the waterfront will experience minor flooding. * ADDITIONAL DETAILS...Locally moderate coastal flooding is possible across the western Great South Bay during this evening's high tide. There is also potential of minor coastal flooding during high tide Friday morning.
If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.
Coastal Flood Statement issued October 30 at 3:57AM EDT until October 30 at 8:00PM EDT by NWS Upton NY
Effective: Thu October 30, 2025, 3:57 AM
Expires: Thu October 30, 2025, 8:00 PM
* WHAT...Up to one half foot of inundation above ground level expected in vulnerable areas near the waterfront and shoreline. * WHERE...Bronx County. * WHEN...From this afternoon through this evening. * IMPACTS...Some water on low lying roads and property.
Do not drive through flooded roadways.
Coastal Flood Advisory issued October 30 at 3:57AM EDT until October 30 at 5:00PM EDT by NWS Upton NY
Effective: Thu October 30, 2025, 3:57 AM
Expires: Thu October 30, 2025, 5:00 PM
* WHAT...One to two feet 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, New York (Manhattan), Richmond (Staten Island) and Kings (Brooklyn) Counties. * WHEN...From 1 PM to 5 PM EDT this afternoon. * IMPACTS...Minor flooding of the more vulnerable locations near the waterfront and shoreline. Some roads and low lying properties including parking lots, parks, lawns, and homes and businesses with basements near the waterfront will experience minor flooding.
If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.
Coastal Flood Advisory issued October 30 at 3:57AM EDT until October 30 at 8:00PM EDT by NWS Upton NY
Effective: Thu October 30, 2025, 3:57 AM
Expires: Thu October 30, 2025, 8:00 PM
* WHAT...Up to 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 County. * WHEN...From 4 PM to 8 PM EDT this afternoon and evening. * IMPACTS...Minor flooding in the more vulnerable locations near the waterfront and shoreline. Some roads and low lying properties including parking lots, parks, lawns, and homes and businesses with basements near the waterfront will experience minor flooding.
If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.
Weather Forecast
Average Temperature: 51.8°F
Average Humidity: 91%
Wind: 24.4 mph
UV Index: 0.2
Air Quality
Nitrogen Dioxide: 7.07 μg/m3
Sulphur Dioxide: 1.91 μg/m3
Ozone: 63.92 μg/m3
Astronomical
Sun Transit: 12:36 AM
Sunset: 5:52 PM
Daylight: 10 hrs 32 mins
Moon Transit: 8:00 PM
Moonset: 12:11 AM
Moon Phase: First Quarter
Moon Illumination: 63.7%
Best Times for Fishing or Hunting
Major Periods
9:25 AM - 11:55 AM7:30 PM - 10:00 PM
Minor Periods
2:21 PM - 3:51 PM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 53.1°F
Average Humidity: 81%
Wind: 24.2 mph
UV Index: 0.3
Air Quality
Nitrogen Dioxide: 9.6 μg/m3
Sulphur Dioxide: 3.9 μg/m3
Ozone: 63.24 μg/m3
Astronomical
Sun Transit: 12:36 AM
Sunset: 5:51 PM
Daylight: 10 hrs 29 mins
Moon Transit: 8:47 PM
Moonset: 1:19 AM
Moon Phase: First Quarter
Moon Illumination: 74.1%
Best Times for Fishing or Hunting
Major Periods
10:13 AM - 12:43 AM8:17 PM - 10:47 PM
Minor Periods
2:46 PM - 4:16 PM12:49 AM - 2:19 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 52.3°F
Average Humidity: 52%
Wind: 23.3 mph
UV Index: 0.6
Air Quality
Nitrogen Dioxide: 9.13 μg/m3
Sulphur Dioxide: 2.99 μg/m3
Ozone: 68.36 μg/m3
Astronomical
Sun Transit: 12:36 AM
Sunset: 5:49 PM
Daylight: 10 hrs 27 mins
Moon Transit: 9:34 PM
Moonset: 2:30 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 83.4%
Best Times for Fishing or Hunting
Major Periods
11:00 AM - 1:30 PM9:04 PM - 11:34 PM
Minor Periods
3:10 PM - 4:40 PM2:00 AM - 3:30 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 50°F
Average Humidity: 50%
Wind: 12.3 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 30.92 μg/m3
Sulphur Dioxide: 5.18 μg/m3
Ozone: 26.85 μg/m3
Astronomical
Sun Transit: 12:36 AM
Sunset: 5:48 PM
Daylight: 10 hrs 25 mins
Moon Transit: 12:31 AM
Moonset: 3:42 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 90.9%
Best Times for Fishing or Hunting
Major Periods
12:01 AM - 2:31 PM12:01 AM - 2:31 PM
Minor Periods
3:34 PM - 5:04 PM3:12 AM - 4:42 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 53.9°F
Average Humidity: 61%
Wind: 13 mph
UV Index: 4
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 12:36 AM
Sunset: 5:47 PM
Daylight: 10 hrs 22 mins
Moon Transit: 11:14 PM
Moonset: 4:56 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 96.3%
Best Times for Fishing or Hunting
Major Periods
12:37 AM - 3:07 PM12:00 AM - 12:00 AM
Minor Periods
3:59 PM - 5:29 PM4:26 AM - 5:56 AM
Action Rating: 3 out of 5
