Water Temperature of Great South Bay in West Sayville, NY

Current Water Temperature

35.8°F

Measurement Time: Thursday, February 13, 2025, 6:54 PM EST

Temperature Locations

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Local Points of Interest

Green Creek; Sayville Beach & Marina

Great South Bay

Station Name: GREAT SOUTH BAY AT WEST SAYVILLE NY
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 0 feet

Nearest Address:
198 Atlantic Ave
West Sayville, NY 11796
Suffolk County

GPS Coordinates: 40.72105556, -73.09125

Nearby Water Temperatures

Flax Pond, Old Field, NY (16.9 mi)
Reynolds Channel, Point Lookout, NY (27.3 mi)
Peconic River, Riverhead, NY (27.3 mi)
Frost Creek, Lattingtown, NY (29.2 mi)
Hempstead Lake, Lakeview, NY (29.2 mi)
Mill River, Fairfield, CT (29.7 mi)
Norwalk Harbor, Norwalk, CT (29.8 mi)
Saugatuck River, Westport, CT (30.1 mi)
Mill River, Southport, CT (30.1 mi)
Hog Island Channel, Island Park, NY (30.6 mi)
Norwalk River, Norwalk, CT (31.3 mi)
Saugatuck River, Westport Village, CT (31.4 mi)
Bridgeport Harbor, Bridgeport, CT (31.6 mi)
Norwalk River, Norwalk, CT (31.7 mi)
Housatonic River, Stratford, CT (32.3 mi)

Weather for West Sayville, New York

Current Weather

74°F
Patchy Fog
Patchy Fog
93%
SW 6 mph
72°F

Weather Forecast

Patchy Fog then Isolated Rain Showers
Tonight
67°F - Patchy Fog then Isolated Rain Showers
Isolated Rain Showers then Sunny
Monday
73°F - Isolated Rain Showers then Sunny
Clear
Monday Night
56°F - Clear
Sunny
Tuesday
69°F - Sunny
Mostly Clear
Tuesday Night
60°F - Mostly Clear
Sunny
Wednesday
73°F - Sunny
Mostly Clear
Wednesday Night
65°F - Mostly Clear
Mostly Sunny
Thursday
76°F - Mostly Sunny
Mostly Cloudy then Slight Chance Rain Showers
Thursday Night
66°F - Mostly Cloudy then Slight Chance Rain Showers
Slight Chance Rain Showers then Partly Sunny
Friday
76°F - Slight Chance Rain Showers then Partly Sunny
Partly Cloudy
Friday Night
62°F - Partly Cloudy
Mostly Sunny
Saturday
72°F - Mostly Sunny
Chance Rain Showers
Saturday Night
63°F - Chance Rain Showers
Chance Rain Showers
Sunday
73°F - Chance Rain Showers

Astronomical

Sunrise: 6:31 AM
Sun Transit: 12:48 AM
Sunset: 7:05 PM
Daylight: 12 hrs 33 mins
Moonrise: 9:14 AM
Moon Transit: 2:42 PM
Moonset: 8:01 PM
Moon Phase: New
Moon Illumination: 2.2%

Best Times for Fishing or Hunting

Major Periods

4:09 AM - 6:39 AM
2:12 PM - 4:42 PM

Minor Periods

7:31 PM - 9:01 PM
8:44 AM - 10:14 AM

Action Rating: 5 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:31 AM
Sun Transit: 12:48 AM
Sunset: 7:05 PM
Daylight: 12 hrs 33 mins
Moonrise: 9:14 AM
Moon Transit: 2:42 PM
Moonset: 8:01 PM
Moon Phase: New
Moon Illumination: 2.2%

Best Times for Fishing or Hunting

Major Periods

4:09 AM - 6:39 AM
2:12 PM - 4:42 PM

Minor Periods

7:31 PM - 9:01 PM
8:44 AM - 10:14 AM

Action Rating: 5 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:32 AM
Sun Transit: 12:47 AM
Sunset: 7:03 PM
Daylight: 12 hrs 30 mins
Moonrise: 10:22 AM
Moon Transit: 3:28 PM
Moonset: 8:27 PM
Moon Phase: Waxing Crescent
Moon Illumination: 6.7%

Best Times for Fishing or Hunting

Major Periods

4:54 AM - 7:24 AM
2:58 PM - 5:28 PM

Minor Periods

7:57 PM - 9:27 PM
9:52 AM - 11:22 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:32 AM
Sun Transit: 12:47 AM
Sunset: 7:03 PM
Daylight: 12 hrs 30 mins
Moonrise: 10:22 AM
Moon Transit: 3:28 PM
Moonset: 8:27 PM
Moon Phase: Waxing Crescent
Moon Illumination: 6.7%

Best Times for Fishing or Hunting

Major Periods

4:54 AM - 7:24 AM
2:58 PM - 5:28 PM

Minor Periods

7:57 PM - 9:27 PM
9:52 AM - 11:22 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:33 AM
Sun Transit: 12:47 AM
Sunset: 7:01 PM
Daylight: 12 hrs 28 mins
Moonrise: 11:28 AM
Moon Transit: 4:15 PM
Moonset: 8:57 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.4%

Best Times for Fishing or Hunting

Major Periods

5:41 AM - 8:11 AM
3:45 PM - 6:15 PM

Minor Periods

8:27 PM - 9:57 PM
10:58 AM - 12:28 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:33 AM
Sun Transit: 12:47 AM
Sunset: 7:01 PM
Daylight: 12 hrs 28 mins
Moonrise: 11:28 AM
Moon Transit: 4:15 PM
Moonset: 8:57 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.4%

Best Times for Fishing or Hunting

Major Periods

5:41 AM - 8:11 AM
3:45 PM - 6:15 PM

Minor Periods

8:27 PM - 9:57 PM
10:58 AM - 12:28 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:34 AM
Sun Transit: 12:47 AM
Sunset: 7:00 PM
Daylight: 12 hrs 25 mins
Moonrise: 12:33 AM
Moon Transit: 5:04 PM
Moonset: 9:33 PM
Moon Phase: Waxing Crescent
Moon Illumination: 22.0%

Best Times for Fishing or Hunting

Major Periods

6:30 AM - 9:00 AM
4:34 PM - 7:04 PM

Minor Periods

9:03 PM - 10:33 PM
12:03 AM - 1:33 PM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:34 AM
Sun Transit: 12:47 AM
Sunset: 7:00 PM
Daylight: 12 hrs 25 mins
Moonrise: 12:33 AM
Moon Transit: 5:04 PM
Moonset: 9:33 PM
Moon Phase: Waxing Crescent
Moon Illumination: 22.0%

Best Times for Fishing or Hunting

Major Periods

6:30 AM - 9:00 AM
4:34 PM - 7:04 PM

Minor Periods

9:03 PM - 10:33 PM
12:03 AM - 1:33 PM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:35 AM
Sun Transit: 12:46 AM
Sunset: 6:58 PM
Daylight: 12 hrs 23 mins
Moonrise: 1:33 PM
Moon Transit: 5:55 PM
Moonset: 10:16 PM
Moon Phase: Waxing Crescent
Moon Illumination: 32.1%

Best Times for Fishing or Hunting

Major Periods

7:20 AM - 9:50 AM
5:25 PM - 7:55 PM

Minor Periods

9:46 PM - 11:16 PM
1:03 PM - 2:33 PM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:35 AM
Sun Transit: 12:46 AM
Sunset: 6:58 PM
Daylight: 12 hrs 23 mins
Moonrise: 1:33 PM
Moon Transit: 5:55 PM
Moonset: 10:16 PM
Moon Phase: Waxing Crescent
Moon Illumination: 32.1%

Best Times for Fishing or Hunting

Major Periods

7:20 AM - 9:50 AM
5:25 PM - 7:55 PM

Minor Periods

9:46 PM - 11:16 PM
1:03 PM - 2:33 PM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:36 AM
Sun Transit: 12:46 AM
Sunset: 6:56 PM
Daylight: 12 hrs 20 mins
Moonrise: 2:29 PM
Moon Transit: 6:47 PM
Moonset: 11:06 PM
Moon Phase: First Quarter
Moon Illumination: 43.0%

Best Times for Fishing or Hunting

Major Periods

8:11 AM - 10:41 AM
6:17 PM - 8:47 PM

Minor Periods

12:00 AM - 12:00 AM
1:59 PM - 3:29 PM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:36 AM
Sun Transit: 12:46 AM
Sunset: 6:56 PM
Daylight: 12 hrs 20 mins
Moonrise: 2:29 PM
Moon Transit: 6:47 PM
Moonset: 11:06 PM
Moon Phase: First Quarter
Moon Illumination: 43.0%

Best Times for Fishing or Hunting

Major Periods

8:11 AM - 10:41 AM
6:17 PM - 8:47 PM

Minor Periods

12:00 AM - 12:00 AM
1:59 PM - 3:29 PM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:37 AM
Sun Transit: 12:46 AM
Sunset: 6:55 PM
Daylight: 12 hrs 17 mins
Moonrise: 3:16 PM
Moon Transit: 7:38 PM
Moonset: 12:06 AM
Moon Phase: First Quarter
Moon Illumination: 54.3%

Best Times for Fishing or Hunting

Major Periods

9:02 AM - 11:32 AM
7:08 PM - 9:38 PM

Minor Periods

2:46 PM - 4:16 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:37 AM
Sun Transit: 12:46 AM
Sunset: 6:55 PM
Daylight: 12 hrs 17 mins
Moonrise: 3:16 PM
Moon Transit: 7:38 PM
Moonset: 12:06 AM
Moon Phase: First Quarter
Moon Illumination: 54.3%

Best Times for Fishing or Hunting

Major Periods

9:02 AM - 11:32 AM
7:08 PM - 9:38 PM

Minor Periods

2:46 PM - 4:16 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:38 AM
Sun Transit: 12:45 AM
Sunset: 6:53 PM
Daylight: 12 hrs 15 mins
Moonrise: 3:57 PM
Moon Transit: 8:28 PM
Moonset: 12:03 AM
Moon Phase: First Quarter
Moon Illumination: 65.4%

Best Times for Fishing or Hunting

Major Periods

9:53 AM - 12:23 AM
7:58 PM - 10:28 PM

Minor Periods

3:27 PM - 4:57 PM
12:00 AM - 12:00 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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