Water Temperature of Long Sound Near Key Largo, FL

Current Water Temperature

83.8°F

Measurement Time: Monday, June 8, 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

84.7°F
Clear
Clear
95.8°F
95.3°F
83%
SE 11.6 mph
15.9 mph
84.6°F
77.8°F
0 in
0%
9 mi
1020 mbar
0

Five Day Weather Forecast

Sunny
Sun
H: 90°F
L: 84°F
Partly Cloudy
Mon
H: 84°F
L: 83°F
Sunny
Tue
H: 85°F
L: 83°F
Sunny
Wed
H: 85°F
L: 84°F
Sunny
Thu
H: 85°F
L: 84°F

Air Quality

AQI: 2 - Moderate
PM2.5: 17.5 μg/m3
PM10: 48.7 μg/m3
Carbon Monoxide: 93 μg/m3
Nitrogen Dioxide: 1.2 μg/m3
Sulphur Dioxide: 0.7 μg/m3
Ozone: 55 μg/m3

Astronomical

Sunrise: 6:40 AM
Sun Transit: 1:27 PM
Sunset: 8:15 PM
Daylight: 13 hrs 35 mins
Moonrise: 4:23 AM
Moon Transit: 11:39 AM
Moonset: 6:56 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:09 AM - 1:39 PM

Minor Periods

6:26 PM - 7:56 PM
3:53 AM - 5:23 AM

Action Rating: 3 out of 5

Sunday, July 12, 2026

Weather Forecast

Sunny
89.6°F
83.7°F
84.6°F
74%
0 in
9%
0%
13.9 mph
9.9


Air Quality

AQI: 2 - Moderate
PM2.5: 15.7 μg/m3
PM10: 41.65 μg/m3
Carbon Monoxide: 90.42 μg/m3
Nitrogen Dioxide: 0.8 μg/m3
Sulphur Dioxide: 0.45 μg/m3
Ozone: 50.63 μg/m3

Astronomical

Sunrise: 6:40 AM
Sun Transit: 1:27 PM
Sunset: 8:15 PM
Daylight: 13 hrs 35 mins
Moonrise: 4:23 AM
Moon Transit: 11:39 AM
Moonset: 6:56 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:09 AM - 1:39 PM

Minor Periods

6:26 PM - 7:56 PM
3:53 AM - 5:23 AM

Action Rating: 3 out of 5

Monday, July 13, 2026

Weather Forecast

Partly Cloudy
84.2°F
83.1°F
83.7°F
74%
0 in
10%
0%
14.5 mph
10.7


Air Quality

AQI: 2 - Moderate
PM2.5: 23.28 μg/m3
PM10: 49.93 μg/m3
Carbon Monoxide: 89.75 μg/m3
Nitrogen Dioxide: 0.63 μg/m3
Sulphur Dioxide: 0.42 μg/m3
Ozone: 46 μg/m3

Astronomical

Sunrise: 6:40 AM
Sun Transit: 1:27 PM
Sunset: 8:15 PM
Daylight: 13 hrs 35 mins
Moonrise: 5:31 AM
Moon Transit: 12:46 AM
Moonset: 7:58 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

1:02 AM - 3:32 AM
12:16 AM - 2:46 PM

Minor Periods

7:28 PM - 8:58 PM
5:01 AM - 6:31 AM

Action Rating: 4 out of 5

Tuesday, July 14, 2026

Weather Forecast

Sunny
84.8°F
83.2°F
83.9°F
74%
0 in
10%
0%
16.1 mph
10.6


Air Quality

AQI: 2 - Moderate
PM2.5: 26.28 μg/m3
PM10: 72.2 μg/m3
Carbon Monoxide: 91.42 μg/m3
Nitrogen Dioxide: 0.68 μg/m3
Sulphur Dioxide: 0.36 μg/m3
Ozone: 45.83 μg/m3

Astronomical

Sunrise: 6:41 AM
Sun Transit: 1:27 PM
Sunset: 8:15 PM
Daylight: 13 hrs 34 mins
Moonrise: 6:43 AM
Moon Transit: 1:50 PM
Moonset: 8:51 PM
Moon Phase: New
Moon Illumination: 1.9%

Best Times for Fishing or Hunting

Major Periods

2:08 AM - 4:38 AM
1:20 PM - 3:50 PM

Minor Periods

8:21 PM - 9:51 PM
6:13 AM - 7:43 AM

Action Rating: 5 out of 5

Wednesday, July 15, 2026

Weather Forecast

Sunny
84.7°F
83.9°F
84.3°F
72%
0 in
11%
0%
19.2 mph
9.4


Air Quality

AQI: 2 - Moderate
PM2.5: 22.3 μg/m3
PM10: 59.39 μg/m3
Carbon Monoxide: 92.29 μg/m3
Nitrogen Dioxide: 0.84 μg/m3
Sulphur Dioxide: 0.51 μg/m3
Ozone: 49.58 μg/m3

Astronomical

Sunrise: 6:41 AM
Sun Transit: 1:27 PM
Sunset: 8:15 PM
Daylight: 13 hrs 33 mins
Moonrise: 7:54 AM
Moon Transit: 2:48 PM
Moonset: 9:36 PM
Moon Phase: New
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

3:09 AM - 5:39 AM
2:18 PM - 4:48 PM

Minor Periods

9:06 PM - 10:36 PM
7:24 AM - 8:54 AM

Action Rating: 3 out of 5

Thursday, July 16, 2026

Weather Forecast

Sunny
84.8°F
83.7°F
84.3°F
71%
0 in
6%
0%
16.8 mph
7


Air Quality

AQI: 2 - Moderate
PM2.5: 21.32 μg/m3
PM10: 49.83 μg/m3
Carbon Monoxide: 89.44 μg/m3
Nitrogen Dioxide: 0.94 μg/m3
Sulphur Dioxide: 0.58 μg/m3
Ozone: 50.33 μg/m3

Astronomical

Sunrise: 6:42 AM
Sun Transit: 1:27 PM
Sunset: 8:14 PM
Daylight: 13 hrs 33 mins
Moonrise: 9:01 AM
Moon Transit: 3:41 PM
Moonset: 10:16 PM
Moon Phase: New
Moon Illumination: 2.4%

Best Times for Fishing or Hunting

Major Periods

4:05 AM - 6:35 AM
3:11 PM - 5:41 PM

Minor Periods

9:46 PM - 11:16 PM
8:31 AM - 10:01 AM

Action Rating: 4 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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