Water Temperature of the St. Lawrence River in Wellesley Island, NY

Current Water Temperature

58.1°F

Measurement Time: Monday, October 5, 2026, 3:06 PM EDT

Temperature Locations

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Local Points of Interest

Coast Guard Station Alexandria Bay; Keewaydin State Park

St. Lawrence River

Station Name: Alexandria Bay
Data Source: NOAA Tides and Currents

Elevation Above Sea Level: 240 feet

Sensor Depth: -2 feet

Nearest Address:
45898 Hopewell Hall Rd
Wellesley Island, NY 13640
Jefferson County

GPS Coordinates: 44.331110, -75.934528

Nearby Water Temperatures

St. Lawrence River, Ogdensburg, NY (33.6 mi)
Independence River, Donnattsburg, NY (50.2 mi)
Oswego River, Oswego, NY (67.1 mi)
Buck Creek, Inlet, NY (72.6 mi)
Lake Ontario, Rochester, NY (87.9 mi)
Skaneateles Lake, Skaneateles, NY (98.9 mi)
Irondequoit Creek, Penfield, NY (113.6 mi)
Allen Creek, Brighton, NY (115 mi)
Northrup Creek, North Greece, NY (116.9 mi)
Genesee River, Rochester, NY (117.5 mi)
Erie Canal, Rochester, NY (119.5 mi)
Sandy Creek, North Hamlin, NY (120.2 mi)
Mohawk River, Fonda, NY (123.3 mi)
Lake Champlain, Port Henry, NY (124.4 mi)
Schoharie Creek, Fort Hunter, NY (126.9 mi)

Weather for Wellesley Island, New York

Current Weather

57°F
Partly Sunny
Partly Sunny
52%
NW 13 mph
40°F

Weather Forecast

Partly Sunny
This Afternoon
57°F - Partly Sunny
Partly Cloudy
Tonight
39°F - Partly Cloudy
Sunny
Tuesday
55°F - Sunny
Partly Cloudy
Tuesday Night
47°F - Partly Cloudy
Partly Sunny then Slight Chance Rain Showers
Wednesday
64°F - Partly Sunny then Slight Chance Rain Showers
Chance Rain Showers
Wednesday Night
53°F - Chance Rain Showers
Chance Rain Showers
Thursday
63°F - Chance Rain Showers
Chance Rain Showers then Partly Cloudy
Thursday Night
44°F - Chance Rain Showers then Partly Cloudy
Mostly Sunny then Chance Rain Showers
Friday
59°F - Mostly Sunny then Chance Rain Showers
Chance Rain Showers then Partly Cloudy
Friday Night
41°F - Chance Rain Showers then Partly Cloudy
Sunny
Saturday
58°F - Sunny
Mostly Clear
Saturday Night
42°F - Mostly Clear
Sunny
Sunday
65°F - Sunny
Partly Cloudy
Sunday Night
48°F - Partly Cloudy

Astronomical

Sunrise: 7:06 AM
Sun Transit: 12:52 AM
Sunset: 6:37 PM
Daylight: 11 hrs 31 mins
Moonrise: 1:04 AM
Moon Transit: 8:50 AM
Moonset: 4:23 PM
Moon Phase: Last Quarter
Moon Illumination: 22.8%

Best Times for Fishing or Hunting

Major Periods

8:20 AM - 10:50 AM
12:00 AM - 12:00 AM

Minor Periods

3:53 PM - 5:23 PM
12:34 AM - 2:04 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: 7:06 AM
Sun Transit: 12:52 AM
Sunset: 6:37 PM
Daylight: 11 hrs 31 mins
Moonrise: 1:04 AM
Moon Transit: 8:50 AM
Moonset: 4:23 PM
Moon Phase: Last Quarter
Moon Illumination: 22.8%

Best Times for Fishing or Hunting

Major Periods

8:20 AM - 10:50 AM
12:00 AM - 12:00 AM

Minor Periods

3:53 PM - 5:23 PM
12:34 AM - 2:04 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: 7:06 AM
Sun Transit: 12:52 AM
Sunset: 6:37 PM
Daylight: 11 hrs 31 mins
Moonrise: 1:04 AM
Moon Transit: 8:50 AM
Moonset: 4:23 PM
Moon Phase: Last Quarter
Moon Illumination: 22.8%

Best Times for Fishing or Hunting

Major Periods

8:20 AM - 10:50 AM
12:00 AM - 12:00 AM

Minor Periods

3:53 PM - 5:23 PM
12:34 AM - 2:04 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: 7:08 AM
Sun Transit: 12:51 AM
Sunset: 6:35 PM
Daylight: 11 hrs 28 mins
Moonrise: 2:22 AM
Moon Transit: 9:42 AM
Moonset: 4:48 PM
Moon Phase: Waning Crescent
Moon Illumination: 14.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:12 AM - 11:42 AM

Minor Periods

4:18 PM - 5:48 PM
1:52 AM - 3:22 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: 7:08 AM
Sun Transit: 12:51 AM
Sunset: 6:35 PM
Daylight: 11 hrs 28 mins
Moonrise: 2:22 AM
Moon Transit: 9:42 AM
Moonset: 4:48 PM
Moon Phase: Waning Crescent
Moon Illumination: 14.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:12 AM - 11:42 AM

Minor Periods

4:18 PM - 5:48 PM
1:52 AM - 3:22 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: 7:09 AM
Sun Transit: 12:51 AM
Sunset: 6:34 PM
Daylight: 11 hrs 25 mins
Moonrise: 3:38 AM
Moon Transit: 10:31 AM
Moonset: 5:09 PM
Moon Phase: Waning Crescent
Moon Illumination: 7.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:01 AM - 12:31 AM

Minor Periods

4:39 PM - 6:09 PM
3:08 AM - 4:38 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: 7:09 AM
Sun Transit: 12:51 AM
Sunset: 6:34 PM
Daylight: 11 hrs 25 mins
Moonrise: 3:38 AM
Moon Transit: 10:31 AM
Moonset: 5:09 PM
Moon Phase: Waning Crescent
Moon Illumination: 7.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:01 AM - 12:31 AM

Minor Periods

4:39 PM - 6:09 PM
3:08 AM - 4:38 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: 7:10 AM
Sun Transit: 12:51 AM
Sunset: 6:32 PM
Daylight: 11 hrs 22 mins
Moonrise: 4:52 AM
Moon Transit: 11:17 AM
Moonset: 5:29 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.5%

Best Times for Fishing or Hunting

Major Periods

12:20 AM - 2:50 AM
10:47 AM - 1:17 PM

Minor Periods

4:59 PM - 6:29 PM
4:22 AM - 5:52 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: 7:10 AM
Sun Transit: 12:51 AM
Sunset: 6:32 PM
Daylight: 11 hrs 22 mins
Moonrise: 4:52 AM
Moon Transit: 11:17 AM
Moonset: 5:29 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.5%

Best Times for Fishing or Hunting

Major Periods

12:20 AM - 2:50 AM
10:47 AM - 1:17 PM

Minor Periods

4:59 PM - 6:29 PM
4:22 AM - 5:52 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: 7:11 AM
Sun Transit: 12:50 AM
Sunset: 6:30 PM
Daylight: 11 hrs 19 mins
Moonrise: 6:03 AM
Moon Transit: 12:01 AM
Moonset: 5:48 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

1:05 AM - 3:35 AM
11:31 AM - 2:01 PM

Minor Periods

5:18 PM - 6:48 PM
5:33 AM - 7:03 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: 7:11 AM
Sun Transit: 12:50 AM
Sunset: 6:30 PM
Daylight: 11 hrs 19 mins
Moonrise: 6:03 AM
Moon Transit: 12:01 AM
Moonset: 5:48 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

1:05 AM - 3:35 AM
11:31 AM - 2:01 PM

Minor Periods

5:18 PM - 6:48 PM
5:33 AM - 7:03 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: 7:12 AM
Sun Transit: 12:50 AM
Sunset: 6:28 PM
Daylight: 11 hrs 16 mins
Moonrise: 7:14 AM
Moon Transit: 12:46 AM
Moonset: 6:08 PM
Moon Phase: New
Moon Illumination: 0.5%

Best Times for Fishing or Hunting

Major Periods

1:50 AM - 4:20 AM
12:16 AM - 2:46 PM

Minor Periods

5:38 PM - 7:08 PM
6:44 AM - 8:14 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: 7:12 AM
Sun Transit: 12:50 AM
Sunset: 6:28 PM
Daylight: 11 hrs 16 mins
Moonrise: 7:14 AM
Moon Transit: 12:46 AM
Moonset: 6:08 PM
Moon Phase: New
Moon Illumination: 0.5%

Best Times for Fishing or Hunting

Major Periods

1:50 AM - 4:20 AM
12:16 AM - 2:46 PM

Minor Periods

5:38 PM - 7:08 PM
6:44 AM - 8:14 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: 7:14 AM
Sun Transit: 12:50 AM
Sunset: 6:27 PM
Daylight: 11 hrs 13 mins
Moonrise: 8:24 AM
Moon Transit: 1:31 PM
Moonset: 6:31 PM
Moon Phase: New
Moon Illumination: 3.3%

Best Times for Fishing or Hunting

Major Periods

2:35 AM - 5:05 AM
1:01 PM - 3:31 PM

Minor Periods

6:01 PM - 7:31 PM
7:54 AM - 9:24 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: 7:14 AM
Sun Transit: 12:50 AM
Sunset: 6:27 PM
Daylight: 11 hrs 13 mins
Moonrise: 8:24 AM
Moon Transit: 1:31 PM
Moonset: 6:31 PM
Moon Phase: New
Moon Illumination: 3.3%

Best Times for Fishing or Hunting

Major Periods

2:35 AM - 5:05 AM
1:01 PM - 3:31 PM

Minor Periods

6:01 PM - 7:31 PM
7:54 AM - 9:24 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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