Water Temperature of Long Sound Near Key Largo, FL

Current Water Temperature

80.2°F

Measurement Time: Friday, June 5, 2026, 10:00 AM 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

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

82.6°F
Partly cloudy
Partly cloudy
88.7°F
88.9°F
59%
ENE 13 mph
16.7 mph
82.7°F
72.3°F
0 in
50%
9 mi
1018 mbar
6.9

Five Day Weather Forecast

Moderate rain
Fri
H: 85°F
L: 78°F
Patchy rain nearby
Sat
H: 80°F
L: 79°F
Patchy rain nearby
Sun
H: 82°F
L: 80°F
Patchy rain nearby
Mon
H: 82°F
L: 81°F
Patchy rain nearby
Tue
H: 83°F
L: 81°F

Air Quality

AQI: 1 - Good
PM2.5: 9.9 μg/m3
PM10: 16.2 μg/m3
Carbon Monoxide: 105 μg/m3
Nitrogen Dioxide: 0.5 μg/m3
Sulphur Dioxide: 0.3 μg/m3
Ozone: 102 μg/m3

Astronomical

Sunrise: 6:31 AM
Sun Transit: 1:20 PM
Sunset: 8:10 PM
Daylight: 13 hrs 39 mins
Moonrise: 12:49 AM
Moon Transit: 5:17 AM
Moonset: 10:51 AM
Moon Phase: Waning Gibbous
Moon Illumination: 65.0%

Best Times for Fishing or Hunting

Major Periods

4:47 AM - 7:17 AM
6:30 PM - 9:00 PM

Minor Periods

10:21 AM - 11:51 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Flood Warning issued June 5 at 1:26PM EDT until June 5 at 3:30PM EDT by NWS Key West FL

Effective: Fri June 5, 2026, 1:26 PM
Expires: Fri June 5, 2026, 3:30 PM

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Key West and Stock Island. * WHEN...Until 330 PM EDT. * IMPACTS...Flooding of low-lying and flood-prone locations is imminent or occurring. Some roads remain closed, such as the 500 block of Angela St., due to flooding. Additional road closures are possible. * ADDITIONAL DETAILS... - At 125 PM EDT, Doppler radar and automated rain gauges indicated heavy rain due to thunderstorms. Flooding is ongoing in the warned area. Between 2 and 4 inches of rain have fallen. - Additional rainfall amounts of 1 to 3 inches are possible in the warned area. - Some locations that will experience flooding include... Key West, Boca Chica, Fleming Key and Key Haven. - http://www.weather.gov/safety/flood

Do not drive your vehicle into areas where the water covers the roadway. The water depth may be too great to allow your car to cross safely.


Rip Current Statement issued June 5 at 1:29AM EDT until June 6 at 8:00PM EDT by NWS Miami FL

Effective: Fri June 5, 2026, 1:29 AM
Expires: Sat June 6, 2026, 2:00 AM

* WHAT...Dangerous rip currents. * WHERE...Coastal Broward County and Coastal Miami Dade County. * WHEN...Through Saturday 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.
Friday, June 5, 2026

Weather Forecast

Moderate rain
85.1°F
78.3°F
80.2°F
77%
0.22 in
73%
0%
21.3 mph
8.5


Air Quality

AQI: 1 - Good
PM2.5: 8.8 μg/m3
PM10: 14.53 μg/m3
Carbon Monoxide: 106.46 μg/m3
Nitrogen Dioxide: 0.79 μg/m3
Sulphur Dioxide: 0.31 μg/m3
Ozone: 98.58 μg/m3

Astronomical

Sunrise: 6:31 AM
Sun Transit: 1:20 PM
Sunset: 8:10 PM
Daylight: 13 hrs 39 mins
Moonrise: 12:49 AM
Moon Transit: 5:17 AM
Moonset: 10:51 AM
Moon Phase: Waning Gibbous
Moon Illumination: 65.0%

Best Times for Fishing or Hunting

Major Periods

4:47 AM - 7:17 AM
6:30 PM - 9:00 PM

Minor Periods

10:21 AM - 11:51 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Saturday, June 6, 2026

Weather Forecast

Patchy rain nearby
80.3°F
78.8°F
79.5°F
71%
0.02 in
73%
0%
17.9 mph
10.4


Air Quality

AQI: 1 - Good
PM2.5: 8.35 μg/m3
PM10: 13.67 μg/m3
Carbon Monoxide: 103.96 μg/m3
Nitrogen Dioxide: 0.87 μg/m3
Sulphur Dioxide: 0.36 μg/m3
Ozone: 94.92 μg/m3

Astronomical

Sunrise: 6:31 AM
Sun Transit: 1:20 PM
Sunset: 8:10 PM
Daylight: 13 hrs 39 mins
Moonrise: 12:25 AM
Moon Transit: 6:02 AM
Moonset: 11:46 AM
Moon Phase: Last Quarter
Moon Illumination: 53.9%

Best Times for Fishing or Hunting

Major Periods

5:32 AM - 8:02 AM
7:13 PM - 9:43 PM

Minor Periods

11:16 AM - 12:46 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Sunday, June 7, 2026

Weather Forecast

Patchy rain nearby
81.6°F
80°F
80.9°F
75%
0.02 in
73%
0%
18.3 mph
0.7


Air Quality

AQI: 1 - Good
PM2.5: 3.42 μg/m3
PM10: 5.21 μg/m3
Carbon Monoxide: 104.96 μg/m3
Nitrogen Dioxide: 0.98 μg/m3
Sulphur Dioxide: 0.45 μg/m3
Ozone: 67.21 μg/m3

Astronomical

Sunrise: 6:31 AM
Sun Transit: 1:20 PM
Sunset: 8:11 PM
Daylight: 13 hrs 40 mins
Moonrise: 12:57 AM
Moon Transit: 6:46 AM
Moonset: 12:41 AM
Moon Phase: Last Quarter
Moon Illumination: 42.6%

Best Times for Fishing or Hunting

Major Periods

6:16 AM - 8:46 AM
7:56 PM - 10:26 PM

Minor Periods

12:11 AM - 1:41 PM
12:27 AM - 1:57 AM

Action Rating: 4 out of 5

Monday, June 8, 2026

Weather Forecast

Patchy rain nearby
82.3°F
80.5°F
81.5°F
77%
0.11 in
73%
0%
17.4 mph
6


Air Quality

AQI: 1 - Good
PM2.5: 3.48 μg/m3
PM10: 5.3 μg/m3
Carbon Monoxide: 115.78 μg/m3
Nitrogen Dioxide: 0.79 μg/m3
Sulphur Dioxide: 0.5 μg/m3
Ozone: 69.29 μg/m3

Astronomical

Sunrise: 6:31 AM
Sun Transit: 1:20 PM
Sunset: 8:11 PM
Daylight: 13 hrs 40 mins
Moonrise: 1:29 AM
Moon Transit: 7:29 AM
Moonset: 1:36 PM
Moon Phase: Last Quarter
Moon Illumination: 31.6%

Best Times for Fishing or Hunting

Major Periods

6:59 AM - 9:29 AM
12:00 AM - 12:00 AM

Minor Periods

1:06 PM - 2:36 PM
12:59 AM - 2:29 AM

Action Rating: 3 out of 5

Tuesday, June 9, 2026

Weather Forecast

Patchy rain nearby
83.1°F
81.4°F
82.2°F
76%
0.03 in
73%
0%
16.1 mph
6


Air Quality

AQI: 1 - Good
PM2.5: 3.92 μg/m3
PM10: 6.01 μg/m3
Carbon Monoxide: 112.44 μg/m3
Nitrogen Dioxide: 0.91 μg/m3
Sulphur Dioxide: 0.54 μg/m3
Ozone: 59.67 μg/m3

Astronomical

Sunrise: 6:31 AM
Sun Transit: 1:21 PM
Sunset: 8:12 PM
Daylight: 13 hrs 40 mins
Moonrise: 2:00 AM
Moon Transit: 6:27 AM
Moonset: 2:34 PM
Moon Phase: Last Quarter
Moon Illumination: 21.6%

Best Times for Fishing or Hunting

Major Periods

5:57 AM - 8:27 AM
5:57 AM - 8:27 AM

Minor Periods

2:04 PM - 3:34 PM
1:30 AM - 3:00 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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