Water Temperature of Barnes Sound in Key Largo, FL

Current Water Temperature

78.8°F

Measurement Time: Friday, March 27, 2026, 6:00 AM EDT

Temperature Locations

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Local Points of Interest

Little Card Sound; Manatee Bay; Florida Keys National Marine Sactuary; Gulf of Mexico; Everglades National Park; Homestead, FL; Florida Keys

Barnes Sound

Station Name: Middle Key, FL
Station Type: Fixed
Data Source: National Data Buoy Center

Elevation Above Sea Level: 0 feet

Nearest Address:
58000 CR-905A
Key Largo, FL 33037
Monroe County

GPS Coordinates: 25.289, -80.396

Nearby Water Temperatures

Manatee Bay, Homestead, FL (3.8 mi)
West Highway Creek, Key Largo, FL (4.6 mi)
Long Sound, Key Largo, FL (5.3 mi)
Little Blackwater Sound, Key Largo, FL (5.6 mi)
Joe Bay, Key Largo, FL (8.9 mi)
Joe Bay, Key Largo, FL (10.1 mi)
Mowry Canal Number C-103, Homestead, FL (13 mi)
Mud Creek, Homestead, FL (13.2 mi)
Florida Bay, Key Largo, FL (15.9 mi)
Taylor River, Homestead, FL (16.6 mi)
Taylor River, Homestead, FL (16.6 mi)
Little Madeira Bay, Homestead, FL (16.7 mi)
Taylor Slough, Homestead, FL (18.1 mi)
Black Creek Canal, Cutler Bay, FL (18.9 mi)
Black Creek Canal, Goulds, FL (19.5 mi)

Weather for Key Largo, Florida

Current Weather

80.2°F
Sunny
Sunny
84.3°F
84.3°F
72%
E 12.3 mph
17.9 mph
80.2°F
71.1°F
0 in
17%
5 mi
1020 mbar
8.6

Five Day Weather Forecast

Sunny
Fri
H: 86°F
L: 68°F
Sunny
Sat
H: 84°F
L: 68°F
Heavy rain
Sun
H: 75°F
L: 72°F
Moderate rain
Mon
H: 78°F
L: 72°F
Patchy rain nearby
Tue
H: 79°F
L: 73°F

Air Quality

AQI: 1 - Good
PM2.5: 7.15 μg/m3
PM10: 10.35 μg/m3
Carbon Monoxide: 127.85 μg/m3
Nitrogen Dioxide: 1.95 μg/m3
Sulphur Dioxide: 1.35 μg/m3
Ozone: 100 μg/m3

Astronomical

Sunrise: 7:18 AM
Sun Transit: 12:00 AM
Sunset: 7:36 PM
Daylight: 12 hrs 18 mins
Moonrise: 2:38 PM
Moon Transit: 9:38 PM
Moonset: 3:47 AM
Moon Phase: First Quarter
Moon Illumination: 67.4%

Best Times for Fishing or Hunting

Major Periods

10:00 AM - 12:30 AM
9:08 PM - 11:38 PM

Minor Periods

2:08 PM - 3:38 PM
3:17 AM - 4:47 AM

Action Rating: 2 out of 5

Friday, March 27, 2026

Weather Forecast

Sunny
86°F
68°F
75.5°F
75%
0 in
0%
0%
13 mph
2.3


Air Quality

AQI: 1 - Good
PM2.5: 6.98 μg/m3
PM10: 9.53 μg/m3
Carbon Monoxide: 138.57 μg/m3
Nitrogen Dioxide: 6.09 μg/m3
Sulphur Dioxide: 2.07 μg/m3
Ozone: 86.08 μg/m3

Astronomical

Sunrise: 7:18 AM
Sun Transit: 12:00 AM
Sunset: 7:36 PM
Daylight: 12 hrs 18 mins
Moonrise: 2:38 PM
Moon Transit: 9:38 PM
Moonset: 3:47 AM
Moon Phase: First Quarter
Moon Illumination: 67.4%

Best Times for Fishing or Hunting

Major Periods

10:00 AM - 12:30 AM
9:08 PM - 11:38 PM

Minor Periods

2:08 PM - 3:38 PM
3:17 AM - 4:47 AM

Action Rating: 2 out of 5

Saturday, March 28, 2026

Weather Forecast

Sunny
84.4°F
67.8°F
74.6°F
79%
0 in
0%
0%
14.5 mph
2.4


Air Quality

AQI: 1 - Good
PM2.5: 9.58 μg/m3
PM10: 12.47 μg/m3
Carbon Monoxide: 164.41 μg/m3
Nitrogen Dioxide: 8.37 μg/m3
Sulphur Dioxide: 2.31 μg/m3
Ozone: 82 μg/m3

Astronomical

Sunrise: 7:17 AM
Sun Transit: 1:26 PM
Sunset: 7:36 PM
Daylight: 12 hrs 19 mins
Moonrise: 3:41 PM
Moon Transit: 10:29 PM
Moonset: 4:32 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 77.5%

Best Times for Fishing or Hunting

Major Periods

10:53 AM - 1:23 PM
12:00 AM - 12:00 AM

Minor Periods

3:11 PM - 4:41 PM
4:02 AM - 5:32 AM

Action Rating: 2 out of 5

Sunday, March 29, 2026

Weather Forecast

Heavy rain
75.2°F
72.1°F
73.5°F
80%
0.84 in
84%
0%
17.9 mph
2.3


Air Quality

AQI: 1 - Good
PM2.5: 7.18 μg/m3
PM10: 9.59 μg/m3
Carbon Monoxide: 152.97 μg/m3
Nitrogen Dioxide: 5.21 μg/m3
Sulphur Dioxide: 2.09 μg/m3
Ozone: 93.4 μg/m3

Astronomical

Sunrise: 7:16 AM
Sun Transit: 1:26 PM
Sunset: 7:37 PM
Daylight: 12 hrs 21 mins
Moonrise: 4:42 PM
Moon Transit: 11:16 PM
Moonset: 5:10 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 86.2%

Best Times for Fishing or Hunting

Major Periods

11:42 AM - 2:12 PM
12:00 AM - 12:00 AM

Minor Periods

4:12 PM - 5:42 PM
4:40 AM - 6:10 AM

Action Rating: 2 out of 5

Monday, March 30, 2026

Weather Forecast

Moderate rain
78.2°F
72.1°F
74°F
78%
0.37 in
86%
0%
20.1 mph
2.3


Air Quality

AQI: 1 - Good
PM2.5: 6.8 μg/m3
PM10: 9.76 μg/m3
Carbon Monoxide: 145.71 μg/m3
Nitrogen Dioxide: 3.61 μg/m3
Sulphur Dioxide: 1.61 μg/m3
Ozone: 109.76 μg/m3

Astronomical

Sunrise: 7:15 AM
Sun Transit: 1:26 PM
Sunset: 7:37 PM
Daylight: 12 hrs 22 mins
Moonrise: 5:39 PM
Moon Transit: 12:00 AM
Moonset: 5:44 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 93.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:28 AM - 2:58 PM

Minor Periods

5:09 PM - 6:39 PM
5:14 AM - 6:44 AM

Action Rating: 2 out of 5

Tuesday, March 31, 2026

Weather Forecast

Patchy rain nearby
78.6°F
73.1°F
75.2°F
69%
0.06 in
89%
0%
19.5 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 7.81 μg/m3
PM10: 11.4 μg/m3
Carbon Monoxide: 146.94 μg/m3
Nitrogen Dioxide: 4.87 μg/m3
Sulphur Dioxide: 1.84 μg/m3
Ozone: 98.31 μg/m3

Astronomical

Sunrise: 7:14 AM
Sun Transit: 1:25 PM
Sunset: 7:38 PM
Daylight: 12 hrs 24 mins
Moonrise: 6:35 PM
Moon Transit: 12:00 AM
Moonset: 6:16 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:11 PM - 3:41 PM

Minor Periods

6:05 PM - 7:35 PM
5:46 AM - 7:16 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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