Water Temperature of Long Sound Near Key Largo, FL

Current Water Temperature

77.7°F

Measurement Time: Tuesday, March 11, 2025, 5:00 PM EDT

Temperature Locations

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Local Points of Interest

Little Blackwater Sound; Florida Bay; Barnes Sound; Florida Keys National Marine Sactuary; Everglades National Park; Florida Keys; Gulf of Mexico

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Long Sound

Station Name: Long Sound, FL
Station Type: Fixed
Data Source: National Data Buoy Center

Elevation Above Sea Level: 0 feet / 0 meters

Nearest Address:
Offshore
Key Largo, FL 33037
Monroe County

GPS Coordinates: 25.235, -80.457

Nearby Water Temperatures

West Highway Creek, Key Largo, FL (0.8 mi)
Little Blackwater Sound, Key Largo, FL (2.1 mi)
Manatee Bay, Homestead, FL (2.2 mi)
Joe Bay, Key Largo, FL (4.2 mi)
Joe Bay, Key Largo, FL (5.3 mi)
Barnes Sound, Key Largo, FL (5.3 mi)
Florida Bay, Key Largo, FL (10.9 mi)
Little Madeira Bay, Homestead, FL (11.7 mi)
Taylor River, Homestead, FL (11.8 mi)
Taylor River, Homestead, FL (12.1 mi)
Taylor Slough, Homestead, FL (14.2 mi)
Seven Palm Lake, Flamingo, FL (17.1 mi)
Mowry Canal Number C-103, Homestead, FL (17.7 mi)
Florida Bay, Islamorada, FL (20.1 mi)
Whipray Basin, Islamorada, FL (20.7 mi)

Weather Near Key Largo, Florida

Current Weather

62.1°F
Clear
Conditions: Clear
Humidity: 79%
Feels Like: 62.1°F
Wind: NNW 10.1 mph
Wind Gusts: 13.4 mph
Pressure: 30.03 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Sunny
Wed
H: 77°F
L: 68°F
Cloudy
Thu
H: 72°F
L: 69°F
Partly Cloudy
Fri
H: 75°F
L: 73°F
Sunny
Sat
H: 75°F
L: 74°F
Sunny
Sun
H: 76°F
L: 75°F

Air Quality

PM2.5: 23.87 μg/m3
PM10: 25.9 μg/m3
Carbon Monoxide: 370 μg/m3
Nitrogen Dioxide: 23.87 μg/m3
Sulphur Dioxide: 9.07 μg/m3
Ozone: 91 μg/m3

Astronomical

Sunrise: 7:33 AM
Sun Transit: 12:00 AM
Sunset: 7:29 PM
Daylight: 11 hrs 56 mins
Moonrise: 6:18 PM
Moon Transit: 12:06 AM
Moonset: 6:43 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:16 PM - 3:46 PM

Minor Periods

5:48 PM - 7:18 PM
6:13 AM - 7:43 AM

Action Rating: 4 out of 5

Wednesday, March 12, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 71.9°F
Average Humidity: 66%
Chance of Rain: 0%
Wind: 11 mph
UV Index: 2.3

Air Quality

AQI: 2 - Moderate
PM2.5: 20.34 μg/m3
PM10: 24.27 μg/m3
Carbon Monoxide: 326.49 μg/m3
Nitrogen Dioxide: 14.81 μg/m3
Sulphur Dioxide: 6.27 μg/m3
Ozone: 114.2 μg/m3

Astronomical

Sunrise: 7:33 AM
Sun Transit: 12:00 AM
Sunset: 7:29 PM
Daylight: 11 hrs 56 mins
Moonrise: 6:18 PM
Moon Transit: 12:06 AM
Moonset: 6:43 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:16 PM - 3:46 PM

Minor Periods

5:48 PM - 7:18 PM
6:13 AM - 7:43 AM

Action Rating: 4 out of 5

Thursday, March 13, 2025

Weather Forecast

Conditions: Cloudy
Average Temperature: 71.1°F
Average Humidity: 74%
Chance of Rain: 0%
Wind: 14.3 mph
UV Index: 2.2

Air Quality

AQI: 2 - Moderate
PM2.5: 15.73 μg/m3
PM10: 22.51 μg/m3
Carbon Monoxide: 282.83 μg/m3
Nitrogen Dioxide: 1.3 μg/m3
Sulphur Dioxide: 1.09 μg/m3
Ozone: 117.2 μg/m3

Astronomical

Sunrise: 7:32 AM
Sun Transit: 12:00 AM
Sunset: 7:30 PM
Daylight: 11 hrs 57 mins
Moonrise: 7:11 PM
Moon Transit: 12:48 AM
Moonset: 7:13 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:18 AM - 2:48 AM
1:57 PM - 4:27 PM

Minor Periods

6:41 PM - 8:11 PM
6:43 AM - 8:13 AM

Action Rating: 3 out of 5

Friday, March 14, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 74.1°F
Average Humidity: 77%
Chance of Rain: 0%
Wind: 12.8 mph
UV Index: 2.2

Air Quality

AQI: 1 - Good
PM2.5: 14.9 μg/m3
PM10: 21.28 μg/m3
Carbon Monoxide: 258.33 μg/m3
Nitrogen Dioxide: 4.39 μg/m3
Sulphur Dioxide: 0.87 μg/m3
Ozone: 104.04 μg/m3

Astronomical

Sunrise: 7:31 AM
Sun Transit: 12:00 AM
Sunset: 7:30 PM
Daylight: 11 hrs 59 mins
Moonrise: 8:02 PM
Moon Transit: 1:29 AM
Moonset: 7:41 AM
Moon Phase: Full
Moon Illumination: 99.6%

Best Times for Fishing or Hunting

Major Periods

12:59 AM - 3:29 AM
2:37 PM - 5:07 PM

Minor Periods

7:32 PM - 9:02 PM
7:11 AM - 8:41 AM

Action Rating: 5 out of 5

Saturday, March 15, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 74.7°F
Average Humidity: 77%
Chance of Rain: 0%
Wind: 19.2 mph
UV Index: 2.3

Air Quality

AQI: 2 - Moderate
PM2.5: 17.83 μg/m3
PM10: 24.06 μg/m3
Carbon Monoxide: 279.49 μg/m3
Nitrogen Dioxide: 1.71 μg/m3
Sulphur Dioxide: 0.8 μg/m3
Ozone: 101.31 μg/m3

Astronomical

Sunrise: 7:30 AM
Sun Transit: 12:00 AM
Sunset: 7:31 PM
Daylight: 12 hrs mins
Moonrise: 8:53 PM
Moon Transit: 2:08 AM
Moonset: 8:10 AM
Moon Phase: Full
Moon Illumination: 97.0%

Best Times for Fishing or Hunting

Major Periods

1:38 AM - 4:08 AM
3:16 PM - 5:46 PM

Minor Periods

8:23 PM - 9:53 PM
7:40 AM - 9:10 AM

Action Rating: 4 out of 5

Sunday, March 16, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 75.5°F
Average Humidity: 81%
Chance of Rain: 0%
Wind: 23.5 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

Astronomical

Sunrise: 7:29 AM
Sun Transit: 12:00 AM
Sunset: 7:31 PM
Daylight: 12 hrs 2 mins
Moonrise: 9:44 PM
Moon Transit: 2:48 AM
Moonset: 8:38 AM
Moon Phase: Full
Moon Illumination: 91.9%

Best Times for Fishing or Hunting

Major Periods

2:18 AM - 4:48 AM
3:56 PM - 6:26 PM

Minor Periods

9:14 PM - 10:44 PM
8:08 AM - 9:38 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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