Water Temperature of Long Sound Near Key Largo, FL

Current Water Temperature

81.0°F

Measurement Time: Wednesday, November 4, 2026, 6:00 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

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

78.3°F
Patchy rain nearby
Conditions: Patchy rain nearby
Humidity: 83%
Feels Like: 82.2°F
Wind: E 7.6 mph
Wind Gusts: 14.6 mph
Pressure: 29.97 in
Precipitation: 0.03 in
Cloud Cover: 79%
Visibility: 5 mi
UV Index: 3.6

Weather Forecast

Sunny
Wed
H: 81°F
L: 78°F
Sunny
Thu
H: 81°F
L: 79°F
Sunny
Fri
H: 81°F
L: 78°F

Air Quality

AQI: 1 - Good
PM2.5: 3.3 μg/m3
PM10: 5.4 μg/m3
Carbon Monoxide: 108 μg/m3
Nitrogen Dioxide: 0.9 μg/m3
Sulphur Dioxide: 0.2 μg/m3
Ozone: 80 μg/m3

Astronomical

Sunrise: 6:32 AM
Sun Transit: 12:05 AM
Sunset: 5:39 PM
Daylight: 11 hrs 7 mins
Moonrise: 2:12 AM
Moon Transit: 8:33 AM
Moonset: 2:48 PM
Moon Phase: Last Quarter
Moon Illumination: 18.5%

Best Times for Fishing or Hunting

Major Periods

8:03 AM - 10:33 AM
12:00 AM - 12:00 AM

Minor Periods

2:18 PM - 3:48 PM
1:42 AM - 3:12 AM

Action Rating: 2 out of 5

Rip Current Statement issued November 4 at 3:23AM EST until November 4 at 10:00AM EST by NWS Miami FL

Effective: Wed November 4, 2026, 3:23 AM
Expires: Wed November 4, 2026, 7:00 PM

* WHAT...For the Coastal Flood Statement, isolated minor coastal flooding. For the High Rip Current Risk, dangerous rip currents. * WHERE...Coastal Broward County and Coastal Miami Dade County. * WHEN...For the Coastal Flood Statement, through Wednesday evening. For the High Rip Current Risk, 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. Minor coastal flooding is possible within 1.5 to 2 hours of high tide.


Coastal Flood Statement issued November 4 at 3:23AM EST until November 4 at 7:00PM EST by NWS Miami FL

Effective: Wed November 4, 2026, 3:23 AM
Expires: Wed November 4, 2026, 7:00 PM

* WHAT...For the Coastal Flood Statement, isolated minor coastal flooding. For the High Rip Current Risk, dangerous rip currents. * WHERE...Coastal Broward County and Coastal Miami Dade County. * WHEN...For the Coastal Flood Statement, through Wednesday evening. For the High Rip Current Risk, 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. Minor coastal flooding is possible within 1.5 to 2 hours of high tide.
Wednesday, November 4, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 80.1°F
Average Humidity: 80%
Chance of Rain: 76%
Wind: 15 mph
UV Index: 6.2

Astronomical

Sunrise: 6:32 AM
Sun Transit: 12:05 AM
Sunset: 5:39 PM
Daylight: 11 hrs 7 mins
Moonrise: 2:12 AM
Moon Transit: 8:33 AM
Moonset: 2:48 PM
Moon Phase: Last Quarter
Moon Illumination: 18.5%

Best Times for Fishing or Hunting

Major Periods

8:03 AM - 10:33 AM
12:00 AM - 12:00 AM

Minor Periods

2:18 PM - 3:48 PM
1:42 AM - 3:12 AM

Action Rating: 2 out of 5

Thursday, November 5, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 80.1°F
Average Humidity: 77%
Chance of Rain: 45%
Wind: 17 mph
UV Index: 6.8

Astronomical

Sunrise: 6:32 AM
Sun Transit: 12:05 AM
Sunset: 5:38 PM
Daylight: 11 hrs 6 mins
Moonrise: 3:09 AM
Moon Transit: 9:17 AM
Moonset: 3:20 PM
Moon Phase: Waning Crescent
Moon Illumination: 10.6%

Best Times for Fishing or Hunting

Major Periods

8:47 AM - 11:17 AM
12:00 AM - 12:00 AM

Minor Periods

2:50 PM - 4:20 PM
2:39 AM - 4:09 AM

Action Rating: 2 out of 5

Friday, November 6, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 79.8°F
Average Humidity: 72%
Chance of Rain: 36%
Wind: 13.9 mph
UV Index: 6.7

Astronomical

Sunrise: 6:33 AM
Sun Transit: 12:05 AM
Sunset: 5:38 PM
Daylight: 11 hrs 5 mins
Moonrise: 4:05 AM
Moon Transit: 10:01 AM
Moonset: 3:52 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:31 AM - 12:01 AM

Minor Periods

3:22 PM - 4:52 PM
3:35 AM - 5:05 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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