Water Temperature of the Atlantic Ocean Near Islip, NY

Current Water Temperature

46.2°F

Measurement Time: Friday, April 17, 2026, 7:30 AM EDT

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

61°F
Partly cloudy
Partly cloudy
61°F
62.4°F
87%
WNW 8.5 mph
15.1 mph
62.4°F
58°F
0 in
75%
9 mi
1010 mbar
0.7

Five Day Weather Forecast

Sunny
Fri
H: 77°F
L: 56°F
Partly Cloudy
Sat
H: 64°F
L: 47°F
Moderate rain
Sun
H: 53°F
L: 42°F
Sunny
Mon
H: 47°F
L: 39°F
Sunny
Tue
H: 49°F
L: 38°F

Air Quality

AQI: 1 - Good
PM2.5: 17.95 μg/m3
PM10: 18.35 μg/m3
Carbon Monoxide: 236.85 μg/m3
Nitrogen Dioxide: 29.15 μg/m3
Sulphur Dioxide: 4.85 μg/m3
Ozone: 83 μg/m3

Astronomical

Sunrise: 6:12 AM
Sun Transit: 12:52 AM
Sunset: 7:33 PM
Daylight: 13 hrs 22 mins
Moonrise: 5:55 AM
Moon Transit: 12:57 AM
Moonset: 8:14 PM
Moon Phase: New
Moon Illumination: 4.1%

Best Times for Fishing or Hunting

Major Periods

2:20 AM - 4:50 AM
12:27 AM - 2:57 PM

Minor Periods

7:44 PM - 9:14 PM
5:25 AM - 6:55 AM

Action Rating: 4 out of 5

Friday, April 17, 2026

Weather Forecast

Sunny
77.2°F
56.1°F
66.3°F
73%
0 in
0%
0%
11 mph
1.5


Air Quality

AQI: 2 - Moderate
PM2.5: 15.81 μg/m3
PM10: 16.69 μg/m3
Carbon Monoxide: 251.69 μg/m3
Nitrogen Dioxide: 28.97 μg/m3
Sulphur Dioxide: 4.83 μg/m3
Ozone: 77.68 μg/m3

Astronomical

Sunrise: 6:12 AM
Sun Transit: 12:52 AM
Sunset: 7:33 PM
Daylight: 13 hrs 22 mins
Moonrise: 5:55 AM
Moon Transit: 12:57 AM
Moonset: 8:14 PM
Moon Phase: New
Moon Illumination: 4.1%

Best Times for Fishing or Hunting

Major Periods

2:20 AM - 4:50 AM
12:27 AM - 2:57 PM

Minor Periods

7:44 PM - 9:14 PM
5:25 AM - 6:55 AM

Action Rating: 4 out of 5

Saturday, April 18, 2026

Weather Forecast

Partly Cloudy
64.2°F
46.7°F
56.9°F
78%
0 in
0%
0%
12.3 mph
1.8


Air Quality

AQI: 1 - Good
PM2.5: 7.67 μg/m3
PM10: 8.51 μg/m3
Carbon Monoxide: 200.53 μg/m3
Nitrogen Dioxide: 10.91 μg/m3
Sulphur Dioxide: 2.2 μg/m3
Ozone: 70.16 μg/m3

Astronomical

Sunrise: 6:10 AM
Sun Transit: 12:51 AM
Sunset: 7:34 PM
Daylight: 13 hrs 24 mins
Moonrise: 6:27 AM
Moon Transit: 1:53 PM
Moonset: 9:34 PM
Moon Phase: New
Moon Illumination: 1.2%

Best Times for Fishing or Hunting

Major Periods

3:14 AM - 5:44 AM
1:23 PM - 3:53 PM

Minor Periods

9:04 PM - 10:34 PM
5:57 AM - 7:27 AM

Action Rating: 5 out of 5

Sunday, April 19, 2026

Weather Forecast

Moderate rain
53.1°F
42.2°F
46.9°F
83%
0.59 in
89%
0%
16.6 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 7.61 μg/m3
PM10: 9.28 μg/m3
Carbon Monoxide: 168.05 μg/m3
Nitrogen Dioxide: 9.36 μg/m3
Sulphur Dioxide: 2.19 μg/m3
Ozone: 80.6 μg/m3

Astronomical

Sunrise: 6:09 AM
Sun Transit: 12:51 AM
Sunset: 7:35 PM
Daylight: 13 hrs 27 mins
Moonrise: 7:06 AM
Moon Transit: 2:54 PM
Moonset: 10:54 PM
Moon Phase: Waxing Crescent
Moon Illumination: 4.9%

Best Times for Fishing or Hunting

Major Periods

4:13 AM - 6:43 AM
2:24 PM - 4:54 PM

Minor Periods

10:24 PM - 11:54 PM
6:36 AM - 8:06 AM

Action Rating: 3 out of 5

Monday, April 20, 2026

Weather Forecast

Sunny
47°F
38.8°F
43°F
41%
0 in
0%
0%
17 mph
1.4


Air Quality

AQI: 1 - Good
PM2.5: 6.04 μg/m3
PM10: 6.32 μg/m3
Carbon Monoxide: 192.34 μg/m3
Nitrogen Dioxide: 15.08 μg/m3
Sulphur Dioxide: 2.92 μg/m3
Ozone: 68.12 μg/m3

Astronomical

Sunrise: 6:07 AM
Sun Transit: 12:51 AM
Sunset: 7:37 PM
Daylight: 13 hrs 29 mins
Moonrise: 7:55 AM
Moon Transit: 3:58 PM
Moonset: 12:07 PM
Moon Phase: Waxing Crescent
Moon Illumination: 10.8%

Best Times for Fishing or Hunting

Major Periods

5:17 AM - 7:47 AM
3:28 PM - 5:58 PM

Minor Periods

12:00 AM - 12:00 AM
7:25 AM - 8:55 AM

Action Rating: 2 out of 5

Tuesday, April 21, 2026

Weather Forecast

Sunny
49.1°F
38.3°F
44.1°F
37%
0 in
0%
0%
18.8 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 3.57 μg/m3
PM10: 3.75 μg/m3
Carbon Monoxide: 180.19 μg/m3
Nitrogen Dioxide: 6.57 μg/m3
Sulphur Dioxide: 2.15 μg/m3
Ozone: 76.92 μg/m3

Astronomical

Sunrise: 6:06 AM
Sun Transit: 12:51 AM
Sunset: 7:38 PM
Daylight: 13 hrs 32 mins
Moonrise: 8:56 AM
Moon Transit: 5:03 PM
Moonset: 12:07 AM
Moon Phase: Waxing Crescent
Moon Illumination: 18.8%

Best Times for Fishing or Hunting

Major Periods

6:22 AM - 8:52 AM
4:33 PM - 7:03 PM

Minor Periods

8:26 AM - 9:56 AM
12:00 AM - 12:00 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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