Water Temperature of Long Sound Near Key Largo, FL

Current Water Temperature

71.1°F

Measurement Time: Wednesday, November 12, 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 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)
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

55.6°F
Partly cloudy
Conditions: Partly cloudy
Humidity: 82%
Feels Like: 51.4°F
Wind: ENE 16.8 mph
Wind Gusts: 21 mph
Pressure: 30.26 in
Precipitation: 0 in
Cloud Cover: 50%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Partly Cloudy
Wed
H: 77°F
L: 62°F
Cloudy
Thu
H: 74°F
L: 73°F
Overcast
Fri
H: 75°F
L: 73°F
Patchy rain nearby
Sat
H: 77°F
L: 74°F
Patchy rain nearby
Sun
H: 77°F
L: 74°F

Air Quality

AQI: 1 - Good
PM2.5: 7.15 μg/m3
PM10: 9.85 μg/m3
Carbon Monoxide: 155.85 μg/m3
Nitrogen Dioxide: 5.25 μg/m3
Sulphur Dioxide: 2.15 μg/m3
Ozone: 95 μg/m3

Astronomical

Sunrise: 6:37 AM
Sun Transit: 12:06 AM
Sunset: 5:35 PM
Daylight: 10 hrs 57 mins
Moonrise: 12:55 AM
Moon Transit: 6:40 AM
Moonset: 1:19 PM
Moon Phase: Last Quarter
Moon Illumination: 45.8%

Best Times for Fishing or Hunting

Major Periods

6:10 AM - 8:40 AM
7:51 PM - 10:21 PM

Minor Periods

12:49 AM - 2:19 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Rip Current Statement issued November 11 at 7:06PM EST until November 13 at 7:00PM EST by NWS Miami FL

Effective: Tue November 11, 2025, 7:06 PM
Expires: Wed November 12, 2025, 7:00 AM

* WHAT...Dangerous rip currents. * WHERE...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 November 12 at 3:05AM EST until November 12 at 7:00PM EST by NWS Miami FL

Effective: Wed November 12, 2025, 3:05 AM
Expires: Wed November 12, 2025, 7:00 PM

* WHAT...Dangerous rip currents. * WHERE...Coastal Palm Beach County, Coastal Broward County and Coastal Miami Dade County. * WHEN...Through this 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, November 12, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 69.2°F
Average Humidity: 71%
Chance of Rain: 0%
Wind: 18.1 mph
UV Index: 1.2

Air Quality

AQI: 1 - Good
PM2.5: 6.98 μg/m3
PM10: 9.4 μg/m3
Carbon Monoxide: 141.53 μg/m3
Nitrogen Dioxide: 6.47 μg/m3
Sulphur Dioxide: 2.31 μg/m3
Ozone: 87.48 μg/m3

Astronomical

Sunrise: 6:37 AM
Sun Transit: 12:06 AM
Sunset: 5:35 PM
Daylight: 10 hrs 57 mins
Moonrise: 12:55 AM
Moon Transit: 6:40 AM
Moonset: 1:19 PM
Moon Phase: Last Quarter
Moon Illumination: 45.8%

Best Times for Fishing or Hunting

Major Periods

6:10 AM - 8:40 AM
7:51 PM - 10:21 PM

Minor Periods

12:49 AM - 2:19 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Thursday, November 13, 2025

Weather Forecast

Conditions: Cloudy
Average Temperature: 73.3°F
Average Humidity: 73%
Chance of Rain: 0%
Wind: 20.1 mph
UV Index: 0.9

Air Quality

AQI: 1 - Good
PM2.5: 8.03 μg/m3
PM10: 10.58 μg/m3
Carbon Monoxide: 123.77 μg/m3
Nitrogen Dioxide: 7.33 μg/m3
Sulphur Dioxide: 2.59 μg/m3
Ozone: 86.08 μg/m3

Astronomical

Sunrise: 6:38 AM
Sun Transit: 12:06 AM
Sunset: 5:34 PM
Daylight: 10 hrs 56 mins
Moonrise: 12:53 AM
Moon Transit: 7:25 AM
Moonset: 1:52 PM
Moon Phase: Last Quarter
Moon Illumination: 34.7%

Best Times for Fishing or Hunting

Major Periods

6:55 AM - 9:25 AM
8:35 PM - 11:05 PM

Minor Periods

1:22 PM - 2:52 PM
12:23 AM - 1:53 AM

Action Rating: 3 out of 5

Friday, November 14, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 74.3°F
Average Humidity: 70%
Chance of Rain: 0%
Wind: 17.4 mph
UV Index: 1

Air Quality

AQI: 1 - Good
PM2.5: 9.68 μg/m3
PM10: 12.3 μg/m3
Carbon Monoxide: 132.89 μg/m3
Nitrogen Dioxide: 8.9 μg/m3
Sulphur Dioxide: 3.41 μg/m3
Ozone: 90.08 μg/m3

Astronomical

Sunrise: 6:39 AM
Sun Transit: 12:06 AM
Sunset: 5:34 PM
Daylight: 10 hrs 55 mins
Moonrise: 1:47 AM
Moon Transit: 8:07 AM
Moonset: 2:22 PM
Moon Phase: Last Quarter
Moon Illumination: 24.4%

Best Times for Fishing or Hunting

Major Periods

7:37 AM - 10:07 AM
9:15 PM - 11:45 PM

Minor Periods

1:52 PM - 3:22 PM
1:17 AM - 2:47 AM

Action Rating: 2 out of 5

Saturday, November 15, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 75.7°F
Average Humidity: 61%
Chance of Rain: 89%
Wind: 16.8 mph
UV Index: 1.2

Air Quality

AQI: 1 - Good
PM2.5: 8.33 μg/m3
PM10: 11.44 μg/m3
Carbon Monoxide: 133.09 μg/m3
Nitrogen Dioxide: 4.31 μg/m3
Sulphur Dioxide: 2 μg/m3
Ozone: 99.2 μg/m3

Astronomical

Sunrise: 6:39 AM
Sun Transit: 12:06 AM
Sunset: 5:33 PM
Daylight: 10 hrs 54 mins
Moonrise: 2:40 AM
Moon Transit: 8:47 AM
Moonset: 2:50 PM
Moon Phase: Waning Crescent
Moon Illumination: 15.4%

Best Times for Fishing or Hunting

Major Periods

8:17 AM - 10:47 AM
12:00 AM - 12:00 AM

Minor Periods

2:20 PM - 3:50 PM
2:10 AM - 3:40 AM

Action Rating: 2 out of 5

Sunday, November 16, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 75.7°F
Average Humidity: 69%
Chance of Rain: 86%
Wind: 17.9 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 8.75 μg/m3
PM10: 12.22 μg/m3
Carbon Monoxide: 129.08 μg/m3
Nitrogen Dioxide: 1.68 μg/m3
Sulphur Dioxide: 1.67 μg/m3
Ozone: 101.77 μg/m3

Astronomical

Sunrise: 6:40 AM
Sun Transit: 12:06 AM
Sunset: 5:33 PM
Daylight: 10 hrs 53 mins
Moonrise: 3:31 AM
Moon Transit: 9:27 AM
Moonset: 3:19 PM
Moon Phase: Waning Crescent
Moon Illumination: 8.1%

Best Times for Fishing or Hunting

Major Periods

8:57 AM - 11:27 AM
12:00 AM - 12:00 AM

Minor Periods

2:49 PM - 4:19 PM
3:01 AM - 4:31 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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