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
Sunny
Sunny
50%
S 7 mph
54°F

Weather Forecast

Sunny
This Afternoon
76°F - Sunny
Mostly Clear
Tonight
66°F - Mostly Clear
Mostly Sunny then Slight Chance Rain Showers
Sunday
78°F - Mostly Sunny then Slight Chance Rain Showers
Showers And Thunderstorms Likely
Sunday Night
69°F - Showers And Thunderstorms Likely
Slight Chance Rain Showers then Partly Sunny
Monday
77°F - Slight Chance Rain Showers then Partly Sunny
Chance Rain Showers
Monday Night
68°F - Chance Rain Showers
Chance Rain Showers
Tuesday
78°F - Chance Rain Showers
Chance Showers And Thunderstorms
Tuesday Night
70°F - Chance Showers And Thunderstorms
Chance Rain Showers
Wednesday
79°F - Chance Rain Showers
Showers And Thunderstorms Likely
Wednesday Night
70°F - Showers And Thunderstorms Likely
Rain Showers Likely
Thursday
80°F - Rain Showers Likely
Chance Showers And Thunderstorms
Thursday Night
68°F - Chance Showers And Thunderstorms
Slight Chance Rain Showers
Friday
77°F - Slight Chance Rain Showers
Chance Rain Showers
Friday Night
65°F - Chance Rain Showers

Astronomical

Sunrise: 6:17 AM
Sun Transit: 12:53 AM
Sunset: 7:29 PM
Daylight: 13 hrs 12 mins
Moonrise: 8:05 PM
Moon Transit: 1:37 AM
Moonset: 7:42 AM
Moon Phase: Full
Moon Illumination: 95.0%

Best Times for Fishing or Hunting

Major Periods

1:07 AM - 3:37 AM
12:00 AM - 12:00 AM

Minor Periods

7:35 PM - 9:05 PM
7:12 AM - 8:42 AM

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: 6:17 AM
Sun Transit: 12:53 AM
Sunset: 7:29 PM
Daylight: 13 hrs 12 mins
Moonrise: 8:05 PM
Moon Transit: 1:37 AM
Moonset: 7:42 AM
Moon Phase: Full
Moon Illumination: 95.0%

Best Times for Fishing or Hunting

Major Periods

1:07 AM - 3:37 AM
12:00 AM - 12:00 AM

Minor Periods

7:35 PM - 9:05 PM
7:12 AM - 8:42 AM

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: 6:17 AM
Sun Transit: 12:53 AM
Sunset: 7:29 PM
Daylight: 13 hrs 12 mins
Moonrise: 8:05 PM
Moon Transit: 1:37 AM
Moonset: 7:42 AM
Moon Phase: Full
Moon Illumination: 95.0%

Best Times for Fishing or Hunting

Major Periods

1:07 AM - 3:37 AM
12:00 AM - 12:00 AM

Minor Periods

7:35 PM - 9:05 PM
7:12 AM - 8:42 AM

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: 6:18 AM
Sun Transit: 12:52 AM
Sunset: 7:27 PM
Daylight: 13 hrs 10 mins
Moonrise: 8:27 PM
Moon Transit: 12:49 AM
Moonset: 8:50 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.9%

Best Times for Fishing or Hunting

Major Periods

12:19 AM - 2:49 AM
12:19 AM - 2:49 AM

Minor Periods

7:57 PM - 9:27 PM
8:20 AM - 9:50 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: 6:18 AM
Sun Transit: 12:52 AM
Sunset: 7:27 PM
Daylight: 13 hrs 10 mins
Moonrise: 8:27 PM
Moon Transit: 12:49 AM
Moonset: 8:50 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.9%

Best Times for Fishing or Hunting

Major Periods

12:19 AM - 2:49 AM
12:19 AM - 2:49 AM

Minor Periods

7:57 PM - 9:27 PM
8:20 AM - 9:50 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: 6:19 AM
Sun Transit: 12:52 AM
Sunset: 7:26 PM
Daylight: 13 hrs 7 mins
Moonrise: 8:52 PM
Moon Transit: 3:06 AM
Moonset: 10:00 AM
Moon Phase: Waning Gibbous
Moon Illumination: 80.9%

Best Times for Fishing or Hunting

Major Periods

2:36 AM - 5:06 AM
5:20 PM - 7:50 PM

Minor Periods

8:22 PM - 9:52 PM
9:30 AM - 11:00 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: 6:19 AM
Sun Transit: 12:52 AM
Sunset: 7:26 PM
Daylight: 13 hrs 7 mins
Moonrise: 8:52 PM
Moon Transit: 3:06 AM
Moonset: 10:00 AM
Moon Phase: Waning Gibbous
Moon Illumination: 80.9%

Best Times for Fishing or Hunting

Major Periods

2:36 AM - 5:06 AM
5:20 PM - 7:50 PM

Minor Periods

8:22 PM - 9:52 PM
9:30 AM - 11:00 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: 6:20 AM
Sun Transit: 12:52 AM
Sunset: 7:24 PM
Daylight: 13 hrs 5 mins
Moonrise: 9:21 PM
Moon Transit: 3:55 AM
Moonset: 11:11 AM
Moon Phase: Waning Gibbous
Moon Illumination: 71.2%

Best Times for Fishing or Hunting

Major Periods

3:25 AM - 5:55 AM
6:10 PM - 8:40 PM

Minor Periods

8:51 PM - 10:21 PM
10:41 AM - 12:11 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: 6:20 AM
Sun Transit: 12:52 AM
Sunset: 7:24 PM
Daylight: 13 hrs 5 mins
Moonrise: 9:21 PM
Moon Transit: 3:55 AM
Moonset: 11:11 AM
Moon Phase: Waning Gibbous
Moon Illumination: 71.2%

Best Times for Fishing or Hunting

Major Periods

3:25 AM - 5:55 AM
6:10 PM - 8:40 PM

Minor Periods

8:51 PM - 10:21 PM
10:41 AM - 12:11 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: 6:21 AM
Sun Transit: 12:52 AM
Sunset: 7:23 PM
Daylight: 13 hrs 2 mins
Moonrise: 9:56 PM
Moon Transit: 4:47 AM
Moonset: 12:26 AM
Moon Phase: Waning Gibbous
Moon Illumination: 60.5%

Best Times for Fishing or Hunting

Major Periods

4:17 AM - 6:47 AM
7:05 PM - 9:35 PM

Minor Periods

9:26 PM - 10:56 PM
11:56 AM - 1:26 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: 6:21 AM
Sun Transit: 12:52 AM
Sunset: 7:23 PM
Daylight: 13 hrs 2 mins
Moonrise: 9:56 PM
Moon Transit: 4:47 AM
Moonset: 12:26 AM
Moon Phase: Waning Gibbous
Moon Illumination: 60.5%

Best Times for Fishing or Hunting

Major Periods

4:17 AM - 6:47 AM
7:05 PM - 9:35 PM

Minor Periods

9:26 PM - 10:56 PM
11:56 AM - 1:26 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: 6:22 AM
Sun Transit: 12:51 AM
Sunset: 7:21 PM
Daylight: 12 hrs 59 mins
Moonrise: 10:41 PM
Moon Transit: 5:43 AM
Moonset: 1:40 PM
Moon Phase: Last Quarter
Moon Illumination: 49.2%

Best Times for Fishing or Hunting

Major Periods

5:13 AM - 7:43 AM
8:03 PM - 10:33 PM

Minor Periods

10:11 PM - 11:41 PM
1:10 PM - 2:40 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: 6:22 AM
Sun Transit: 12:51 AM
Sunset: 7:21 PM
Daylight: 12 hrs 59 mins
Moonrise: 10:41 PM
Moon Transit: 5:43 AM
Moonset: 1:40 PM
Moon Phase: Last Quarter
Moon Illumination: 49.2%

Best Times for Fishing or Hunting

Major Periods

5:13 AM - 7:43 AM
8:03 PM - 10:33 PM

Minor Periods

10:11 PM - 11:41 PM
1:10 PM - 2:40 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: 6:23 AM
Sun Transit: 12:51 AM
Sunset: 7:19 PM
Daylight: 12 hrs 57 mins
Moonrise: 11:37 PM
Moon Transit: 6:43 AM
Moonset: 2:52 PM
Moon Phase: Last Quarter
Moon Illumination: 38.0%

Best Times for Fishing or Hunting

Major Periods

6:13 AM - 8:43 AM
9:06 PM - 11:36 PM

Minor Periods

12:00 AM - 12:00 AM
2:22 PM - 3:52 PM

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: 6:23 AM
Sun Transit: 12:51 AM
Sunset: 7:19 PM
Daylight: 12 hrs 57 mins
Moonrise: 11:37 PM
Moon Transit: 6:43 AM
Moonset: 2:52 PM
Moon Phase: Last Quarter
Moon Illumination: 38.0%

Best Times for Fishing or Hunting

Major Periods

6:13 AM - 8:43 AM
9:06 PM - 11:36 PM

Minor Periods

12:00 AM - 12:00 AM
2:22 PM - 3:52 PM

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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