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

69°F
Partly Cloudy
Partly Cloudy
90%
SW 8 mph
66°F

Weather Forecast

Partly Cloudy then Patchy Fog
Tonight
67°F - Partly Cloudy then Patchy Fog
Patchy Fog then Mostly Sunny
Thursday
77°F - Patchy Fog then Mostly Sunny
Chance Rain Showers
Thursday Night
69°F - Chance Rain Showers
Slight Chance Rain Showers then Sunny
Friday
78°F - Slight Chance Rain Showers then Sunny
Partly Cloudy
Friday Night
60°F - Partly Cloudy
Mostly Sunny
Saturday
68°F - Mostly Sunny
Mostly Cloudy then Slight Chance Rain Showers
Saturday Night
60°F - Mostly Cloudy then Slight Chance Rain Showers
Rain Showers Likely
Sunday
71°F - Rain Showers Likely
Rain Showers Likely
Sunday Night
60°F - Rain Showers Likely
Chance Rain Showers
Monday
69°F - Chance Rain Showers
Chance Rain Showers
Monday Night
60°F - Chance Rain Showers
Chance Rain Showers
Tuesday
68°F - Chance Rain Showers
Chance Rain Showers
Tuesday Night
59°F - Chance Rain Showers
Chance Rain Showers
Wednesday
68°F - Chance Rain Showers

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

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

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: 6:39 AM
Sun Transit: 12:45 AM
Sunset: 6:51 PM
Daylight: 12 hrs 12 mins
Moonrise: 4:31 PM
Moon Transit: 9:16 PM
Moonset: 1:05 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 75.7%

Best Times for Fishing or Hunting

Major Periods

10:42 AM - 1:12 PM
8:46 PM - 11:16 PM

Minor Periods

4:01 PM - 5:31 PM
12:35 AM - 2:05 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: 6:39 AM
Sun Transit: 12:45 AM
Sunset: 6:51 PM
Daylight: 12 hrs 12 mins
Moonrise: 4:31 PM
Moon Transit: 9:16 PM
Moonset: 1:05 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 75.7%

Best Times for Fishing or Hunting

Major Periods

10:42 AM - 1:12 PM
8:46 PM - 11:16 PM

Minor Periods

4:01 PM - 5:31 PM
12:35 AM - 2:05 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: 6:40 AM
Sun Transit: 12:45 AM
Sunset: 6:50 PM
Daylight: 12 hrs 9 mins
Moonrise: 4:59 PM
Moon Transit: 10:02 PM
Moonset: 2:09 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 84.7%

Best Times for Fishing or Hunting

Major Periods

11:30 AM - 2:00 PM
12:00 AM - 12:00 AM

Minor Periods

4:29 PM - 5:59 PM
1:39 AM - 3:09 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: 6:40 AM
Sun Transit: 12:45 AM
Sunset: 6:50 PM
Daylight: 12 hrs 9 mins
Moonrise: 4:59 PM
Moon Transit: 10:02 PM
Moonset: 2:09 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 84.7%

Best Times for Fishing or Hunting

Major Periods

11:30 AM - 2:00 PM
12:00 AM - 12:00 AM

Minor Periods

4:29 PM - 5:59 PM
1:39 AM - 3:09 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: 6:41 AM
Sun Transit: 12:44 AM
Sunset: 6:48 PM
Daylight: 12 hrs 7 mins
Moonrise: 5:24 PM
Moon Transit: 10:47 PM
Moonset: 3:15 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 91.9%

Best Times for Fishing or Hunting

Major Periods

12:14 AM - 2:44 PM
12:00 AM - 12:00 AM

Minor Periods

4:54 PM - 6:24 PM
2:45 AM - 4:15 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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