Water Temperature of Long Sound Near Key Largo, FL
Current Water Temperature
Measurement Time: Sunday, April 20, 2025, 2:00 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 MexicoSponsored Content
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

Humidity: 54%
Feels Like: 87.1°F
Wind: E 18.6 mph
Wind Gusts: 25.1 mph
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 3.4
Five Day Weather Forecast

Sun
H: 79°F
L: 72°F

Mon
H: 74°F
L: 73°F

Tue
H: 73°F
L: 71°F

Wed
H: 77°F
L: 72°F

Thu
H: 77°F
L: 75°F
Air Quality
Nitrogen Dioxide: 1.3 μg/m3
Sulphur Dioxide: 0.37 μg/m3
Ozone: 106 μg/m3
Astronomical
Sun Transit: 1:20 PM
Sunset: 7:47 PM
Daylight: 12 hrs 52 mins
Moon Transit: 7:11 AM
Moonset: 12:31 AM
Moon Phase: Last Quarter
Moon Illumination: 37.8%
Best Times for Fishing or Hunting
Major Periods
6:41 AM - 9:11 AM8:26 PM - 10:56 PM
Minor Periods
12:01 AM - 1:31 PM1:25 AM - 2:55 AM
Action Rating: 3 out of 5
Rip Current Statement issued April 20 at 3:07AM EDT until April 21 at 8:00PM EDT by NWS Miami FL
Effective: Sun April 20, 2025, 3:07 AM
Expires: Mon April 21, 2025, 5:00 AM
* WHAT...Dangerous rip currents. * WHERE...Coastal Palm Beach County, Coastal Broward County and Coastal Miami Dade County. * WHEN...Through Monday 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 April 20 at 3:07AM EDT until April 21 at 8:00PM EDT by NWS Miami FL
Effective: Sun April 20, 2025, 3:07 AM
Expires: Mon April 21, 2025, 5:00 AM
* WHAT...Dangerous rip currents. * WHERE...Coastal Palm Beach County, Coastal Broward County and Coastal Miami Dade County. * WHEN...Through Monday 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.
Weather Forecast
Average Temperature: 75.3°F
Average Humidity: 72%
Wind: 25.1 mph
UV Index: 2.7
Air Quality
Nitrogen Dioxide: 0.98 μg/m3
Sulphur Dioxide: 0.43 μg/m3
Ozone: 108.48 μg/m3
Astronomical
Sun Transit: 1:20 PM
Sunset: 7:47 PM
Daylight: 12 hrs 52 mins
Moon Transit: 7:11 AM
Moonset: 12:31 AM
Moon Phase: Last Quarter
Moon Illumination: 37.8%
Best Times for Fishing or Hunting
Major Periods
6:41 AM - 9:11 AM8:26 PM - 10:56 PM
Minor Periods
12:01 AM - 1:31 PM1:25 AM - 2:55 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 73.5°F
Average Humidity: 75%
Wind: 23.3 mph
UV Index: 2.7
Air Quality
Nitrogen Dioxide: 1.01 μg/m3
Sulphur Dioxide: 0.46 μg/m3
Ozone: 108.76 μg/m3
Astronomical
Sun Transit: 1:20 PM
Sunset: 7:48 PM
Daylight: 12 hrs 54 mins
Moon Transit: 8:03 AM
Moonset: 1:32 PM
Moon Phase: Last Quarter
Moon Illumination: 27.2%
Best Times for Fishing or Hunting
Major Periods
7:33 AM - 10:03 AM9:18 PM - 11:48 PM
Minor Periods
1:02 PM - 2:32 PM2:10 AM - 3:40 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 72.2°F
Average Humidity: 85%
Wind: 20.6 mph
UV Index: 2.5
Air Quality
Nitrogen Dioxide: 1.21 μg/m3
Sulphur Dioxide: 0.47 μg/m3
Ozone: 103.8 μg/m3
Astronomical
Sun Transit: 1:20 PM
Sunset: 7:48 PM
Daylight: 12 hrs 55 mins
Moon Transit: 8:54 AM
Moonset: 2:34 PM
Moon Phase: Last Quarter
Moon Illumination: 17.8%
Best Times for Fishing or Hunting
Major Periods
8:24 AM - 10:54 AM12:00 AM - 12:00 AM
Minor Periods
2:04 PM - 3:34 PM2:51 AM - 4:21 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 74.5°F
Average Humidity: 78%
Wind: 22.4 mph
UV Index: 2.5
Air Quality
Nitrogen Dioxide: 1.22 μg/m3
Sulphur Dioxide: 0.42 μg/m3
Ozone: 102.4 μg/m3
Astronomical
Sun Transit: 1:20 PM
Sunset: 7:48 PM
Daylight: 12 hrs 56 mins
Moon Transit: 9:44 AM
Moonset: 3:36 PM
Moon Phase: Waning Crescent
Moon Illumination: 10.0%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM9:14 AM - 11:44 AM
Minor Periods
3:06 PM - 4:36 PM3:29 AM - 4:59 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 75.8°F
Average Humidity: 70%
Wind: 22.1 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 1.39 μg/m3
Sulphur Dioxide: 0.37 μg/m3
Ozone: 110.46 μg/m3
Astronomical
Sun Transit: 1:19 PM
Sunset: 7:49 PM
Daylight: 12 hrs 58 mins
Moon Transit: 10:33 AM
Moonset: 4:40 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.3%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM10:03 AM - 12:33 AM
Minor Periods
4:10 PM - 5:40 PM4:05 AM - 5:35 AM
Action Rating: 2 out of 5