Water Temperature of Long Sound Near Key Largo, FL

Current Water Temperature

81.0°F

Measurement Time: Wednesday, June 4, 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

83.3°F
Overcast
Conditions: Overcast
Humidity: 71%
Feels Like: 95.9°F
Wind: ESE 9.6 mph
Wind Gusts: 15.3 mph
Pressure: 30.02 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Moderate rain
Wed
H: 81°F
L: 78°F
Cloudy
Thu
H: 82°F
L: 80°F
Partly Cloudy
Fri
H: 82°F
L: 81°F
Partly Cloudy
Sat
H: 84°F
L: 80°F
Patchy rain nearby
Sun
H: 82°F
L: 79°F

Air Quality

AQI: 1 - Good
PM2.5: 69.38 μg/m3
PM10: 181.86 μg/m3
Carbon Monoxide: 209.05 μg/m3
Nitrogen Dioxide: 1.11 μg/m3
Sulphur Dioxide: 0.37 μg/m3
Ozone: 37 μg/m3

Astronomical

Sunrise: 6:31 AM
Sun Transit: 1:20 PM
Sunset: 8:10 PM
Daylight: 13 hrs 38 mins
Moonrise: 2:40 PM
Moon Transit: 8:45 PM
Moonset: 2:18 AM
Moon Phase: First Quarter
Moon Illumination: 59.8%

Best Times for Fishing or Hunting

Major Periods

9:14 AM - 11:44 AM
8:15 PM - 10:45 PM

Minor Periods

2:10 PM - 3:40 PM
1:48 AM - 3:18 AM

Action Rating: 3 out of 5

Rip Current Statement issued June 4 at 3:30AM EDT until June 5 at 8:00PM EDT by NWS Miami FL

Effective: Wed June 4, 2025, 3:30 AM
Expires: Thu June 5, 2025, 5:00 AM

* WHAT...Dangerous rip currents. * WHERE...Coastal Palm Beach County, Coastal Broward County and Coastal Miami Dade County. * WHEN...Through Thursday evening. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water.

Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help.


Rip Current Statement issued June 4 at 3:30AM EDT until June 5 at 8:00PM EDT by NWS Miami FL

Effective: Wed June 4, 2025, 3:30 AM
Expires: Thu June 5, 2025, 5:00 AM

* WHAT...Dangerous rip currents. * WHERE...Coastal Palm Beach County, Coastal Broward County and Coastal Miami Dade County. * WHEN...Through Thursday evening. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water.

Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help.
Wednesday, June 4, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 80.2°F
Average Humidity: 91%
Chance of Rain: 64%
Wind: 17.9 mph
UV Index: 1.8

Air Quality

AQI: 3 - Unhealthy for Sensitive Groups
PM2.5: 44.01 μg/m3
PM10: 102 μg/m3
Carbon Monoxide: 220.52 μg/m3
Nitrogen Dioxide: 1.18 μg/m3
Sulphur Dioxide: 0.6 μg/m3
Ozone: 56.64 μg/m3

Astronomical

Sunrise: 6:31 AM
Sun Transit: 1:20 PM
Sunset: 8:10 PM
Daylight: 13 hrs 38 mins
Moonrise: 2:40 PM
Moon Transit: 8:45 PM
Moonset: 2:18 AM
Moon Phase: First Quarter
Moon Illumination: 59.8%

Best Times for Fishing or Hunting

Major Periods

9:14 AM - 11:44 AM
8:15 PM - 10:45 PM

Minor Periods

2:10 PM - 3:40 PM
1:48 AM - 3:18 AM

Action Rating: 3 out of 5

Thursday, June 5, 2025

Weather Forecast

Conditions: Cloudy
Average Temperature: 81.4°F
Average Humidity: 83%
Chance of Rain: 0%
Wind: 17.4 mph
UV Index: 2.7

Air Quality

AQI: 2 - Moderate
PM2.5: 35.13 μg/m3
PM10: 87.47 μg/m3
Carbon Monoxide: 195.29 μg/m3
Nitrogen Dioxide: 0.96 μg/m3
Sulphur Dioxide: 0.37 μg/m3
Ozone: 45.64 μg/m3

Astronomical

Sunrise: 6:31 AM
Sun Transit: 1:20 PM
Sunset: 8:10 PM
Daylight: 13 hrs 39 mins
Moonrise: 3:30 PM
Moon Transit: 9:25 PM
Moonset: 2:46 AM
Moon Phase: First Quarter
Moon Illumination: 70.6%

Best Times for Fishing or Hunting

Major Periods

9:53 AM - 12:23 AM
8:55 PM - 11:25 PM

Minor Periods

3:00 PM - 4:30 PM
2:16 AM - 3:46 AM

Action Rating: 2 out of 5

Friday, June 6, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 81.4°F
Average Humidity: 87%
Chance of Rain: 0%
Wind: 12.5 mph
UV Index: 2.9

Air Quality

AQI: 2 - Moderate
PM2.5: 17.61 μg/m3
PM10: 44.68 μg/m3
Carbon Monoxide: 193.51 μg/m3
Nitrogen Dioxide: 0.98 μg/m3
Sulphur Dioxide: 0.37 μg/m3
Ozone: 49.16 μg/m3

Astronomical

Sunrise: 6:31 AM
Sun Transit: 1:20 PM
Sunset: 8:11 PM
Daylight: 13 hrs 39 mins
Moonrise: 4:22 PM
Moon Transit: 10:05 PM
Moonset: 3:14 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 80.3%

Best Times for Fishing or Hunting

Major Periods

10:33 AM - 1:03 PM
12:00 AM - 12:00 AM

Minor Periods

3:52 PM - 5:22 PM
2:44 AM - 4:14 AM

Action Rating: 2 out of 5

Saturday, June 7, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 81.4°F
Average Humidity: 84%
Chance of Rain: 0%
Wind: 11.9 mph
UV Index: 2.9

Air Quality

AQI: 2 - Moderate
PM2.5: 18.96 μg/m3
PM10: 47.06 μg/m3
Carbon Monoxide: 198.54 μg/m3
Nitrogen Dioxide: 1.17 μg/m3
Sulphur Dioxide: 0.48 μg/m3
Ozone: 48.76 μg/m3

Astronomical

Sunrise: 6:31 AM
Sun Transit: 1:20 PM
Sunset: 8:11 PM
Daylight: 13 hrs 40 mins
Moonrise: 5:14 PM
Moon Transit: 10:48 PM
Moonset: 3:45 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 88.5%

Best Times for Fishing or Hunting

Major Periods

11:15 AM - 1:45 PM
12:00 AM - 12:00 AM

Minor Periods

4:44 PM - 6:14 PM
3:15 AM - 4:45 AM

Action Rating: 2 out of 5

Sunday, June 8, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 80.2°F
Average Humidity: 82%
Chance of Rain: 89%
Wind: 11 mph
UV Index: 2.9

Air Quality

AQI: 1 - Good
PM2.5: 14.32 μg/m3
PM10: 34.21 μg/m3
Carbon Monoxide: 193.97 μg/m3
Nitrogen Dioxide: 1.78 μg/m3
Sulphur Dioxide: 0.53 μg/m3
Ozone: 44.46 μg/m3

Astronomical

Sunrise: 6:31 AM
Sun Transit: 1:21 PM
Sunset: 8:11 PM
Daylight: 13 hrs 40 mins
Moonrise: 6:09 PM
Moon Transit: 11:33 PM
Moonset: 4:18 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 94.7%

Best Times for Fishing or Hunting

Major Periods

11:59 AM - 2:29 PM
12:00 AM - 12:00 AM

Minor Periods

5:39 PM - 7:09 PM
3:48 AM - 5:18 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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