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 & MarinaSponsored Content
Great South Bay
Station Name: GREAT SOUTH BAY AT WEST SAYVILLE NY
Data Source: Water Data - usgc.gov
Elevation Above Sea Level: 0 feet / 0 meters
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
54°F

Conditions: Overcast
Humidity: 72%
Feels Like: 50.4°F
Wind: E 12.1 mph
Wind Gusts: 15 mph
Humidity: 72%
Feels Like: 50.4°F
Wind: E 12.1 mph
Wind Gusts: 15 mph
Pressure: 30.03 in
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 9 mi
UV Index: 1.5
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 9 mi
UV Index: 1.5
Five Day Weather Forecast

Wed
H: 56°F
L: 52°F

Thu
H: 51°F
L: 48°F

Fri
H: 60°F
L: 48°F

Sat
H: 66°F
L: 51°F

Sun
H: 64°F
L: 56°F
Air Quality
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sunrise: 5:30 AM
Sun Transit: 12:49 AM
Sunset: 8:09 PM
Daylight: 14 hrs 39 mins
Sun Transit: 12:49 AM
Sunset: 8:09 PM
Daylight: 14 hrs 39 mins
Moonrise: 2:16 AM
Moon Transit: 7:54 AM
Moonset: 1:44 PM
Moon Phase: Last Quarter
Moon Illumination: 22.6%
Moon Transit: 7:54 AM
Moonset: 1:44 PM
Moon Phase: Last Quarter
Moon Illumination: 22.6%
Best Times for Fishing or Hunting
Major Periods
7:24 AM - 9:54 AM12:00 AM - 12:00 AM
Minor Periods
1:14 PM - 2:44 PM1:46 AM - 3:16 AM
Action Rating: 2 out of 5
Wednesday, May 21, 2025
Weather Forecast
Conditions: Patchy rain nearby
Average Temperature: 53.8°F
Average Humidity: 74%
Average Temperature: 53.8°F
Average Humidity: 74%
Chance of Rain: 78%
Wind: 16.6 mph
UV Index: 0.9
Wind: 16.6 mph
UV Index: 0.9
Air Quality
AQI:
1 - Good
PM2.5:
11.94 μg/m3
PM10:
13.72 μg/m3
Carbon Monoxide: 347.37 μg/m3
Nitrogen Dioxide: 38.14 μg/m3
Sulphur Dioxide: 4.81 μg/m3
Ozone: 44 μg/m3
Nitrogen Dioxide: 38.14 μg/m3
Sulphur Dioxide: 4.81 μg/m3
Ozone: 44 μg/m3
Astronomical
Sunrise: 5:30 AM
Sun Transit: 12:49 AM
Sunset: 8:09 PM
Daylight: 14 hrs 39 mins
Sun Transit: 12:49 AM
Sunset: 8:09 PM
Daylight: 14 hrs 39 mins
Moonrise: 2:16 AM
Moon Transit: 7:54 AM
Moonset: 1:44 PM
Moon Phase: Last Quarter
Moon Illumination: 22.6%
Moon Transit: 7:54 AM
Moonset: 1:44 PM
Moon Phase: Last Quarter
Moon Illumination: 22.6%
Best Times for Fishing or Hunting
Major Periods
7:24 AM - 9:54 AM12:00 AM - 12:00 AM
Minor Periods
1:14 PM - 2:44 PM1:46 AM - 3:16 AM
Action Rating: 2 out of 5
Thursday, May 22, 2025
Weather Forecast
Conditions: Moderate rain
Average Temperature: 50.5°F
Average Humidity: 90%
Average Temperature: 50.5°F
Average Humidity: 90%
Chance of Rain: 89%
Wind: 19.7 mph
UV Index: 0
Wind: 19.7 mph
UV Index: 0
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
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sunrise: 5:29 AM
Sun Transit: 12:49 AM
Sunset: 8:10 PM
Daylight: 14 hrs 41 mins
Sun Transit: 12:49 AM
Sunset: 8:10 PM
Daylight: 14 hrs 41 mins
Moonrise: 2:40 AM
Moon Transit: 12:46 AM
Moonset: 2:58 PM
Moon Phase: Waning Crescent
Moon Illumination: 13.9%
Moon Transit: 12:46 AM
Moonset: 2:58 PM
Moon Phase: Waning Crescent
Moon Illumination: 13.9%
Best Times for Fishing or Hunting
Major Periods
12:16 AM - 2:46 PM12:16 AM - 2:46 PM
Minor Periods
2:28 PM - 3:58 PM2:10 AM - 3:40 AM
Action Rating: 2 out of 5
Friday, May 23, 2025
Weather Forecast
Conditions: Patchy rain nearby
Average Temperature: 52.7°F
Average Humidity: 73%
Average Temperature: 52.7°F
Average Humidity: 73%
Chance of Rain: 85%
Wind: 15.4 mph
UV Index: 3
Wind: 15.4 mph
UV Index: 3
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
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sunrise: 5:28 AM
Sun Transit: 12:49 AM
Sunset: 8:11 PM
Daylight: 14 hrs 42 mins
Sun Transit: 12:49 AM
Sunset: 8:11 PM
Daylight: 14 hrs 42 mins
Moonrise: 3:03 AM
Moon Transit: 9:31 AM
Moonset: 4:13 PM
Moon Phase: Waning Crescent
Moon Illumination: 7.0%
Moon Transit: 9:31 AM
Moonset: 4:13 PM
Moon Phase: Waning Crescent
Moon Illumination: 7.0%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM9:01 AM - 11:31 AM
Minor Periods
3:43 PM - 5:13 PM2:33 AM - 4:03 AM
Action Rating: 2 out of 5
Saturday, May 24, 2025
Weather Forecast
Conditions: Partly Cloudy
Average Temperature: 58.8°F
Average Humidity: 56%
Average Temperature: 58.8°F
Average Humidity: 56%
Chance of Rain: 0%
Wind: 10.5 mph
UV Index: 4
Wind: 10.5 mph
UV Index: 4
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
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sunrise: 5:27 AM
Sun Transit: 12:49 AM
Sunset: 8:11 PM
Daylight: 14 hrs 44 mins
Sun Transit: 12:49 AM
Sunset: 8:11 PM
Daylight: 14 hrs 44 mins
Moonrise: 3:28 AM
Moon Transit: 10:22 AM
Moonset: 5:31 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.4%
Moon Transit: 10:22 AM
Moonset: 5:31 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.4%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM9:52 AM - 12:22 AM
Minor Periods
5:01 PM - 6:31 PM2:58 AM - 4:28 AM
Action Rating: 2 out of 5
Sunday, May 25, 2025
Weather Forecast
Conditions: Partly Cloudy
Average Temperature: 60.3°F
Average Humidity: 59%
Average Temperature: 60.3°F
Average Humidity: 59%
Chance of Rain: 0%
Wind: 9.2 mph
UV Index: 5
Wind: 9.2 mph
UV Index: 5
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
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sunrise: 5:27 AM
Sun Transit: 12:49 AM
Sunset: 8:12 PM
Daylight: 14 hrs 46 mins
Sun Transit: 12:49 AM
Sunset: 8:12 PM
Daylight: 14 hrs 46 mins
Moonrise: 3:58 AM
Moon Transit: 11:18 AM
Moonset: 6:53 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.2%
Moon Transit: 11:18 AM
Moonset: 6:53 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.2%
Best Times for Fishing or Hunting
Major Periods
12:40 AM - 3:10 AM10:48 AM - 1:18 PM
Minor Periods
6:23 PM - 7:53 PM3:28 AM - 4:58 AM
Action Rating: 4 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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