Water Temperature of Barnes Sound in Key Largo, FL

Current Water Temperature

89.6°F

Measurement Time: Wednesday, May 13, 2026, 5:00 PM 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

76.1°F
Clear
Clear
80.3°F
81°F
91%
WSW 8.3 mph
13.4 mph
76.6°F
72.7°F
0 in
0%
9 mi
1010 mbar
0

Five Day Weather Forecast

Sunny
Thu
H: 91°F
L: 74°F
Sunny
Fri
H: 90°F
L: 72°F
Patchy rain nearby
Sat
H: 87°F
L: 77°F
Moderate rain
Sun
H: 86°F
L: 79°F
Patchy rain nearby
Mon
H: 87°F
L: 80°F

Air Quality

PM2.5: 6.65 μg/m3
PM10: 8.05 μg/m3
Carbon Monoxide: 133.85 μg/m3
Nitrogen Dioxide: 2.95 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 58 μg/m3

Astronomical

Sunrise: 6:37 AM
Sun Transit: 1:17 PM
Sunset: 7:59 PM
Daylight: 13 hrs 21 mins
Moonrise: 4:39 AM
Moon Transit: 11:11 AM
Moonset: 5:53 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:41 AM - 1:11 PM

Minor Periods

5:23 PM - 6:53 PM
4:09 AM - 5:39 AM

Action Rating: 2 out of 5

Thursday, May 14, 2026

Weather Forecast

Sunny
90.9°F
73.8°F
81.8°F
69%
0 in
0%
0%
16.8 mph
10.3


Air Quality

AQI: 1 - Good
PM2.5: 6.8 μg/m3
PM10: 8.63 μg/m3
Carbon Monoxide: 140.37 μg/m3
Nitrogen Dioxide: 2.99 μg/m3
Sulphur Dioxide: 1.3 μg/m3
Ozone: 65 μg/m3

Astronomical

Sunrise: 6:37 AM
Sun Transit: 1:17 PM
Sunset: 7:59 PM
Daylight: 13 hrs 21 mins
Moonrise: 4:39 AM
Moon Transit: 11:11 AM
Moonset: 5:53 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:41 AM - 1:11 PM

Minor Periods

5:23 PM - 6:53 PM
4:09 AM - 5:39 AM

Action Rating: 2 out of 5

Friday, May 15, 2026

Weather Forecast

Sunny
89.6°F
72.1°F
80.3°F
59%
0 in
0%
0%
14.3 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 7.62 μg/m3
PM10: 10.16 μg/m3
Carbon Monoxide: 165.69 μg/m3
Nitrogen Dioxide: 3.09 μg/m3
Sulphur Dioxide: 1.56 μg/m3
Ozone: 85.56 μg/m3

Astronomical

Sunrise: 6:37 AM
Sun Transit: 1:17 PM
Sunset: 8:00 PM
Daylight: 13 hrs 23 mins
Moonrise: 5:18 AM
Moon Transit: 12:06 AM
Moonset: 7:01 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

12:28 AM - 2:58 AM
11:36 AM - 2:06 PM

Minor Periods

6:31 PM - 8:01 PM
4:48 AM - 6:18 AM

Action Rating: 5 out of 5

Saturday, May 16, 2026

Weather Forecast

Patchy rain nearby
87.3°F
77.2°F
82°F
62%
0.05 in
81%
0%
12.3 mph
6


Air Quality

AQI: 1 - Good
PM2.5: 12.41 μg/m3
PM10: 15.51 μg/m3
Carbon Monoxide: 173.65 μg/m3
Nitrogen Dioxide: 7.14 μg/m3
Sulphur Dioxide: 2.01 μg/m3
Ozone: 79.36 μg/m3

Astronomical

Sunrise: 6:36 AM
Sun Transit: 1:18 PM
Sunset: 8:00 PM
Daylight: 13 hrs 24 mins
Moonrise: 6:04 AM
Moon Transit: 1:05 PM
Moonset: 8:13 PM
Moon Phase: New
Moon Illumination: 2.0%

Best Times for Fishing or Hunting

Major Periods

1:25 AM - 3:55 AM
12:35 AM - 3:05 PM

Minor Periods

7:43 PM - 9:13 PM
5:34 AM - 7:04 AM

Action Rating: 5 out of 5

Sunday, May 17, 2026

Weather Forecast

Moderate rain
85.9°F
79.4°F
82.1°F
70%
0.22 in
88%
0%
13.6 mph
6


Air Quality

AQI: 1 - Good
PM2.5: 8.25 μg/m3
PM10: 10.15 μg/m3
Carbon Monoxide: 148.85 μg/m3
Nitrogen Dioxide: 4.45 μg/m3
Sulphur Dioxide: 1.95 μg/m3
Ozone: 88 μg/m3

Astronomical

Sunrise: 6:36 AM
Sun Transit: 1:18 PM
Sunset: 8:01 PM
Daylight: 13 hrs 25 mins
Moonrise: 6:58 AM
Moon Transit: 2:09 PM
Moonset: 9:25 PM
Moon Phase: New
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

2:27 AM - 4:57 AM
1:39 PM - 4:09 PM

Minor Periods

8:55 PM - 10:25 PM
6:28 AM - 7:58 AM

Action Rating: 4 out of 5

Monday, May 18, 2026

Weather Forecast

Patchy rain nearby
86.8°F
79.6°F
82.2°F
72%
0.19 in
88%
0%
15.2 mph
6


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:36 AM
Sun Transit: 1:18 PM
Sunset: 8:01 PM
Daylight: 13 hrs 26 mins
Moonrise: 8:00 AM
Moon Transit: 3:16 PM
Moonset: 10:34 PM
Moon Phase: New
Moon Illumination: 2.6%

Best Times for Fishing or Hunting

Major Periods

3:33 AM - 6:03 AM
2:46 PM - 5:16 PM

Minor Periods

10:04 PM - 11:34 PM
7:30 AM - 9:00 AM

Action Rating: 3 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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