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

57°F
Patchy Fog
Patchy Fog
100%
W 6 mph
57°F

Weather Forecast

Patchy Fog
Overnight
57°F - Patchy Fog
Patchy Fog then Partly Sunny
Tuesday
69°F - Patchy Fog then Partly Sunny
Partly Cloudy
Tuesday Night
59°F - Partly Cloudy
Mostly Sunny
Wednesday
70°F - Mostly Sunny
Mostly Cloudy
Wednesday Night
63°F - Mostly Cloudy
Mostly Sunny
Thursday
73°F - Mostly Sunny
Partly Cloudy
Thursday Night
66°F - Partly Cloudy
Mostly Sunny
Friday
75°F - Mostly Sunny
Partly Cloudy then Slight Chance Rain Showers
Friday Night
62°F - Partly Cloudy then Slight Chance Rain Showers
Slight Chance Rain Showers
Saturday
68°F - Slight Chance Rain Showers
Chance Rain Showers
Saturday Night
57°F - Chance Rain Showers
Showers And Thunderstorms Likely
Sunday
65°F - Showers And Thunderstorms Likely
Showers And Thunderstorms Likely
Sunday Night
56°F - Showers And Thunderstorms Likely
Chance Rain Showers then Partly Sunny
Monday
65°F - Chance Rain Showers then Partly Sunny

Astronomical

Sunrise: 6:47 AM
Sun Transit: 12:42 AM
Sunset: 6:38 PM
Daylight: 11 hrs 51 mins
Moonrise: 7:57 PM
Moon Transit: 2:41 AM
Moonset: 10:14 AM
Moon Phase: Waning Gibbous
Moon Illumination: 85.4%

Best Times for Fishing or Hunting

Major Periods

2:11 AM - 4:41 AM
4:59 PM - 7:29 PM

Minor Periods

7:27 PM - 8:57 PM
9:44 AM - 11:14 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: 6:47 AM
Sun Transit: 12:42 AM
Sunset: 6:38 PM
Daylight: 11 hrs 51 mins
Moonrise: 7:57 PM
Moon Transit: 2:41 AM
Moonset: 10:14 AM
Moon Phase: Waning Gibbous
Moon Illumination: 85.4%

Best Times for Fishing or Hunting

Major Periods

2:11 AM - 4:41 AM
4:59 PM - 7:29 PM

Minor Periods

7:27 PM - 8:57 PM
9:44 AM - 11:14 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: 6:47 AM
Sun Transit: 12:42 AM
Sunset: 6:38 PM
Daylight: 11 hrs 51 mins
Moonrise: 7:57 PM
Moon Transit: 2:41 AM
Moonset: 10:14 AM
Moon Phase: Waning Gibbous
Moon Illumination: 85.4%

Best Times for Fishing or Hunting

Major Periods

2:11 AM - 4:41 AM
4:59 PM - 7:29 PM

Minor Periods

7:27 PM - 8:57 PM
9:44 AM - 11:14 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: 6:47 AM
Sun Transit: 12:42 AM
Sunset: 6:38 PM
Daylight: 11 hrs 51 mins
Moonrise: 7:57 PM
Moon Transit: 2:41 AM
Moonset: 10:14 AM
Moon Phase: Waning Gibbous
Moon Illumination: 85.4%

Best Times for Fishing or Hunting

Major Periods

2:11 AM - 4:41 AM
4:59 PM - 7:29 PM

Minor Periods

7:27 PM - 8:57 PM
9:44 AM - 11:14 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: 6:48 AM
Sun Transit: 12:42 AM
Sunset: 6:36 PM
Daylight: 11 hrs 48 mins
Moonrise: 8:40 PM
Moon Transit: 3:37 AM
Moonset: 11:30 AM
Moon Phase: Waning Gibbous
Moon Illumination: 76.5%

Best Times for Fishing or Hunting

Major Periods

3:07 AM - 5:37 AM
5:58 PM - 8:28 PM

Minor Periods

8:10 PM - 9:40 PM
11:00 AM - 12:30 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: 6:48 AM
Sun Transit: 12:42 AM
Sunset: 6:36 PM
Daylight: 11 hrs 48 mins
Moonrise: 8:40 PM
Moon Transit: 3:37 AM
Moonset: 11:30 AM
Moon Phase: Waning Gibbous
Moon Illumination: 76.5%

Best Times for Fishing or Hunting

Major Periods

3:07 AM - 5:37 AM
5:58 PM - 8:28 PM

Minor Periods

8:10 PM - 9:40 PM
11:00 AM - 12:30 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: 6:49 AM
Sun Transit: 12:41 AM
Sunset: 6:35 PM
Daylight: 11 hrs 45 mins
Moonrise: 9:33 PM
Moon Transit: 4:37 AM
Moonset: 12:43 AM
Moon Phase: Waning Gibbous
Moon Illumination: 66.3%

Best Times for Fishing or Hunting

Major Periods

4:07 AM - 6:37 AM
7:00 PM - 9:30 PM

Minor Periods

9:03 PM - 10:33 PM
12:13 AM - 1:43 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: 6:49 AM
Sun Transit: 12:41 AM
Sunset: 6:35 PM
Daylight: 11 hrs 45 mins
Moonrise: 9:33 PM
Moon Transit: 4:37 AM
Moonset: 12:43 AM
Moon Phase: Waning Gibbous
Moon Illumination: 66.3%

Best Times for Fishing or Hunting

Major Periods

4:07 AM - 6:37 AM
7:00 PM - 9:30 PM

Minor Periods

9:03 PM - 10:33 PM
12:13 AM - 1:43 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: 6:50 AM
Sun Transit: 12:41 AM
Sunset: 6:33 PM
Daylight: 11 hrs 43 mins
Moonrise: 10:37 PM
Moon Transit: 5:40 AM
Moonset: 1:48 PM
Moon Phase: Last Quarter
Moon Illumination: 55.3%

Best Times for Fishing or Hunting

Major Periods

5:10 AM - 7:40 AM
8:03 PM - 10:33 PM

Minor Periods

10:07 PM - 11:37 PM
1:18 PM - 2:48 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: 6:50 AM
Sun Transit: 12:41 AM
Sunset: 6:33 PM
Daylight: 11 hrs 43 mins
Moonrise: 10:37 PM
Moon Transit: 5:40 AM
Moonset: 1:48 PM
Moon Phase: Last Quarter
Moon Illumination: 55.3%

Best Times for Fishing or Hunting

Major Periods

5:10 AM - 7:40 AM
8:03 PM - 10:33 PM

Minor Periods

10:07 PM - 11:37 PM
1:18 PM - 2:48 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: 6:51 AM
Sun Transit: 12:41 AM
Sunset: 6:31 PM
Daylight: 11 hrs 40 mins
Moonrise: 11:48 PM
Moon Transit: 6:42 AM
Moonset: 2:43 PM
Moon Phase: Last Quarter
Moon Illumination: 43.9%

Best Times for Fishing or Hunting

Major Periods

6:12 AM - 8:42 AM
9:04 PM - 11:34 PM

Minor Periods

12:00 AM - 12:00 AM
2:13 PM - 3:43 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: 6:51 AM
Sun Transit: 12:41 AM
Sunset: 6:31 PM
Daylight: 11 hrs 40 mins
Moonrise: 11:48 PM
Moon Transit: 6:42 AM
Moonset: 2:43 PM
Moon Phase: Last Quarter
Moon Illumination: 43.9%

Best Times for Fishing or Hunting

Major Periods

6:12 AM - 8:42 AM
9:04 PM - 11:34 PM

Minor Periods

12:00 AM - 12:00 AM
2:13 PM - 3:43 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: 6:52 AM
Sun Transit: 12:41 AM
Sunset: 6:30 PM
Daylight: 11 hrs 37 mins
Moonrise: 12:48 AM
Moon Transit: 7:43 AM
Moonset: 3:26 PM
Moon Phase: Last Quarter
Moon Illumination: 32.9%

Best Times for Fishing or Hunting

Major Periods

7:13 AM - 9:43 AM
12:00 AM - 12:00 AM

Minor Periods

2:56 PM - 4:26 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: 6:52 AM
Sun Transit: 12:41 AM
Sunset: 6:30 PM
Daylight: 11 hrs 37 mins
Moonrise: 12:48 AM
Moon Transit: 7:43 AM
Moonset: 3:26 PM
Moon Phase: Last Quarter
Moon Illumination: 32.9%

Best Times for Fishing or Hunting

Major Periods

7:13 AM - 9:43 AM
12:00 AM - 12:00 AM

Minor Periods

2:56 PM - 4:26 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: 6:53 AM
Sun Transit: 12:40 AM
Sunset: 6:28 PM
Daylight: 11 hrs 35 mins
Moonrise: 1:04 AM
Moon Transit: 8:39 AM
Moonset: 4:01 PM
Moon Phase: Last Quarter
Moon Illumination: 22.8%

Best Times for Fishing or Hunting

Major Periods

8:09 AM - 10:39 AM
12:00 AM - 12:00 AM

Minor Periods

3:31 PM - 5:01 PM
12:34 AM - 2:04 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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