Water Temperature of Long Sound Near Key Largo, FL
Current Water Temperature
Measurement Time: Wednesday, November 5, 2025, 2:00 AM EST
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)
Mud Creek, Homestead, FL (8.2 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)
Weather Near Key Largo, Florida
Current Weather

Humidity: 75%
Feels Like: 77.2°F
Wind: ENE 16.3 mph
Wind Gusts: 23.6 mph
Precipitation: 0 in
Cloud Cover: 50%
Visibility: 9 mi
UV Index: 0
Five Day Weather Forecast

Wed
H: 80°F
L: 73°F

Thu
H: 79°F
L: 76°F

Fri
H: 76°F
L: 75°F

Sat
H: 79°F
L: 77°F

Sun
H: 79°F
L: 76°F
Air Quality
Nitrogen Dioxide: 1.55 μg/m3
Sulphur Dioxide: 1.05 μg/m3
Ozone: 105 μg/m3
Astronomical
Sun Transit: 12:05 AM
Sunset: 5:38 PM
Daylight: 11 hrs 6 mins
Moon Transit: 12:00 AM
Moonset: 6:34 AM
Moon Phase: Full
Moon Illumination: 99.9%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM12:58 AM - 3:28 PM
Minor Periods
5:09 PM - 6:39 PM6:04 AM - 7:34 AM
Action Rating: 5 out of 5
Coastal Flood Statement issued November 4 at 1:14PM EST until November 5 at 10:00AM EST by NWS Miami FL
Effective: Tue November 4, 2025, 1:14 PM
Expires: Wed November 5, 2025, 5:00 AM
* WHAT...For the High Rip Current Risk, dangerous rip currents. For the Coastal Flood Statement, isolated minor coastal flooding expected. * WHERE...Coastal Palm Beach County, Coastal Broward County and Coastal Miami Dade County. * WHEN...For the High Rip Current Risk, through Thursday evening. For the Coastal Flood Statement, from late tonight through Wednesday morning. * IMPACTS...Some water on low lying roads and property. Rip currents can sweep even the best swimmers away from shore into deeper water.
Do not drive through flooded roadways. 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 November 4 at 1:14PM EST until November 6 at 7:00PM EST by NWS Miami FL
Effective: Tue November 4, 2025, 1:14 PM
Expires: Wed November 5, 2025, 5:00 AM
* WHAT...For the High Rip Current Risk, dangerous rip currents. For the Coastal Flood Statement, isolated minor coastal flooding expected. * WHERE...Coastal Palm Beach County, Coastal Broward County and Coastal Miami Dade County. * WHEN...For the High Rip Current Risk, through Thursday evening. For the Coastal Flood Statement, from late tonight through Wednesday morning. * IMPACTS...Some water on low lying roads and property. Rip currents can sweep even the best swimmers away from shore into deeper water.
Do not drive through flooded roadways. 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: 76.5°F
Average Humidity: 75%
Wind: 19.2 mph
UV Index: 1.1
Air Quality
Nitrogen Dioxide: 1.8 μg/m3
Sulphur Dioxide: 1.2 μg/m3
Ozone: 107.84 μg/m3
Astronomical
Sun Transit: 12:05 AM
Sunset: 5:38 PM
Daylight: 11 hrs 6 mins
Moon Transit: 12:00 AM
Moonset: 6:34 AM
Moon Phase: Full
Moon Illumination: 99.9%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM12:58 AM - 3:28 PM
Minor Periods
5:09 PM - 6:39 PM6:04 AM - 7:34 AM
Action Rating: 5 out of 5
Weather Forecast
Average Temperature: 76.2°F
Average Humidity: 84%
Wind: 14.8 mph
UV Index: 1.3
Air Quality
Nitrogen Dioxide: 3.79 μg/m3
Sulphur Dioxide: 1.63 μg/m3
Ozone: 100.48 μg/m3
Astronomical
Sun Transit: 12:05 AM
Sunset: 5:38 PM
Daylight: 11 hrs 4 mins
Moon Transit: 12:39 AM
Moonset: 7:46 AM
Moon Phase: Full
Moon Illumination: 97.9%
Best Times for Fishing or Hunting
Major Periods
12:09 AM - 2:39 AM2:00 PM - 4:30 PM
Minor Periods
6:03 PM - 7:33 PM7:16 AM - 8:46 AM
Action Rating: 4 out of 5
Weather Forecast
Average Temperature: 75.2°F
Average Humidity: 89%
Wind: 11.9 mph
UV Index: 1.3
Air Quality
Nitrogen Dioxide: 1.93 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 89.72 μg/m3
Astronomical
Sun Transit: 12:05 AM
Sunset: 5:37 PM
Daylight: 11 hrs 3 mins
Moon Transit: 1:43 AM
Moonset: 8:59 AM
Moon Phase: Full
Moon Illumination: 93.4%
Best Times for Fishing or Hunting
Major Periods
1:13 AM - 3:43 AM3:06 PM - 5:36 PM
Minor Periods
7:03 PM - 8:33 PM8:29 AM - 9:59 AM
Action Rating: 4 out of 5
Weather Forecast
Average Temperature: 77.7°F
Average Humidity: 85%
Wind: 9.6 mph
UV Index: 1.4
Air Quality
Nitrogen Dioxide: 8.87 μg/m3
Sulphur Dioxide: 2.93 μg/m3
Ozone: 76.16 μg/m3
Astronomical
Sun Transit: 12:05 AM
Sunset: 5:36 PM
Daylight: 11 hrs 2 mins
Moon Transit: 2:50 AM
Moonset: 10:08 AM
Moon Phase: Waning Gibbous
Moon Illumination: 86.7%
Best Times for Fishing or Hunting
Major Periods
2:20 AM - 4:50 AM4:12 PM - 6:42 PM
Minor Periods
8:09 PM - 9:39 PM9:38 AM - 11:08 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 77.1°F
Average Humidity: 86%
Wind: 8.5 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 4.74 μg/m3
Sulphur Dioxide: 2.02 μg/m3
Ozone: 88.85 μg/m3
Astronomical
Sun Transit: 12:05 AM
Sunset: 5:36 PM
Daylight: 11 hrs 1 mins
Moon Transit: 3:55 AM
Moonset: 11:08 AM
Moon Phase: Waning Gibbous
Moon Illumination: 78.1%
Best Times for Fishing or Hunting
Major Periods
3:25 AM - 5:55 AM5:15 PM - 7:45 PM
Minor Periods
9:17 PM - 10:47 PM10:38 AM - 12:08 AM
Action Rating: 3 out of 5
