Water Temperature of the Florida Bay Near Key Largo, FL
Current Water Temperature
77.9°F
Measurement Time: Monday, March 9, 2026, 10:00 AM EDT
Temperature Locations
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Local Points of Interest
Butternut Key; Florida Bay; Everglades National Park; Gulf of Mexico; Atlantic OceanFlorida Bay
Station Name: Butternut Key, 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: 25.087, -80.519
Nearby Water Temperatures
Mud Creek, Homestead, FL (9 mi)Little Madeira Bay, Homestead, FL (9.4 mi)
Joe Bay, Key Largo, FL (9.6 mi)
Joe Bay, Key Largo, FL (10.1 mi)
Little Blackwater Sound, Key Largo, FL (10.3 mi)
Taylor River, Homestead, FL (10.4 mi)
Long Sound, Key Largo, FL (10.9 mi)
Florida Bay, Islamorada, FL (11 mi)
West Highway Creek, Key Largo, FL (11.6 mi)
Manatee Bay, Homestead, FL (12.1 mi)
Taylor River, Homestead, FL (12.2 mi)
Whipray Basin, Islamorada, FL (13.6 mi)
Seven Palm Lake, Flamingo, FL (14.1 mi)
Taylor Slough, Homestead, FL (15.4 mi)
Barnes Sound, Key Largo, FL (15.9 mi)
Weather Near Key Largo, Florida
Current Weather
80.2°F

Sunny
85.4°F
85.4°F
77%
E 12.1 mph
16.2 mph
80.2°F
72.9°F
0 in
11%
6 mi
1021 mbar
9.6
Five Day Weather Forecast

Mon
H: 81°F
L: 75°F

Tue
H: 73°F
L: 72°F

Wed
H: 74°F
L: 71°F

Thu
H: 77°F
L: 72°F

Fri
H: 78°F
L: 75°F
Air Quality
AQI:
1 - Good
PM2.5:
6.05 μg/m3
PM10:
8.65 μg/m3
Carbon Monoxide: 106.85 μg/m3
Nitrogen Dioxide: 1.45 μg/m3
Sulphur Dioxide: 1.15 μg/m3
Ozone: 73 μg/m3
Nitrogen Dioxide: 1.45 μg/m3
Sulphur Dioxide: 1.15 μg/m3
Ozone: 73 μg/m3
Astronomical
Sunrise: 7:37 AM
Sun Transit: 1:32 PM
Sunset: 7:28 PM
Daylight: 11 hrs 51 mins
Sun Transit: 1:32 PM
Sunset: 7:28 PM
Daylight: 11 hrs 51 mins
Moonrise: 12:26 AM
Moon Transit: 5:47 AM
Moonset: 11:06 AM
Moon Phase: Waning Gibbous
Moon Illumination: 58.5%
Moon Transit: 5:47 AM
Moonset: 11:06 AM
Moon Phase: Waning Gibbous
Moon Illumination: 58.5%
Best Times for Fishing or Hunting
Major Periods
5:17 AM - 7:47 AM7:00 PM - 9:30 PM
Minor Periods
10:36 AM - 12:06 AM12:00 AM - 12:00 AM
Action Rating: 4 out of 5
Monday, March 9, 2026
Weather Forecast
Sunny
81°F
75.4°F
77.5°F
80%
0 in
0%
0%
16.1 mph
2.2
Air Quality
AQI:
1 - Good
PM2.5:
6.34 μg/m3
PM10:
9.29 μg/m3
Carbon Monoxide: 105.17 μg/m3
Nitrogen Dioxide: 1.79 μg/m3
Sulphur Dioxide: 1.1 μg/m3
Ozone: 68.6 μg/m3
Nitrogen Dioxide: 1.79 μg/m3
Sulphur Dioxide: 1.1 μg/m3
Ozone: 68.6 μg/m3
Astronomical
Sunrise: 7:37 AM
Sun Transit: 1:32 PM
Sunset: 7:28 PM
Daylight: 11 hrs 51 mins
Sun Transit: 1:32 PM
Sunset: 7:28 PM
Daylight: 11 hrs 51 mins
Moonrise: 12:26 AM
Moon Transit: 5:47 AM
Moonset: 11:06 AM
Moon Phase: Waning Gibbous
Moon Illumination: 58.5%
Moon Transit: 5:47 AM
Moonset: 11:06 AM
Moon Phase: Waning Gibbous
Moon Illumination: 58.5%
Best Times for Fishing or Hunting
Major Periods
5:17 AM - 7:47 AM7:00 PM - 9:30 PM
Minor Periods
10:36 AM - 12:06 AM12:00 AM - 12:00 AM
Action Rating: 4 out of 5
Tuesday, March 10, 2026
Weather Forecast
Overcast
73.3°F
72.4°F
73.3°F
95%
0 in
0%
0%
18.3 mph
2.2
Air Quality
AQI:
1 - Good
PM2.5:
5.29 μg/m3
PM10:
7.72 μg/m3
Carbon Monoxide: 106.81 μg/m3
Nitrogen Dioxide: 1.78 μg/m3
Sulphur Dioxide: 1.22 μg/m3
Ozone: 70.32 μg/m3
Nitrogen Dioxide: 1.78 μg/m3
Sulphur Dioxide: 1.22 μg/m3
Ozone: 70.32 μg/m3
Astronomical
Sunrise: 7:36 AM
Sun Transit: 1:32 PM
Sunset: 7:29 PM
Daylight: 11 hrs 53 mins
Sun Transit: 1:32 PM
Sunset: 7:29 PM
Daylight: 11 hrs 53 mins
Moonrise: 1:21 AM
Moon Transit: 6:37 AM
Moonset: 11:51 AM
Moon Phase: Last Quarter
Moon Illumination: 47.2%
Moon Transit: 6:37 AM
Moonset: 11:51 AM
Moon Phase: Last Quarter
Moon Illumination: 47.2%
Best Times for Fishing or Hunting
Major Periods
6:07 AM - 8:37 AM7:50 PM - 10:20 PM
Minor Periods
11:21 AM - 12:51 AM12:51 AM - 2:21 AM
Action Rating: 3 out of 5
Wednesday, March 11, 2026
Weather Forecast
Overcast
74.1°F
71.1°F
72.4°F
94%
0 in
0%
0%
18.3 mph
2.2
Air Quality
AQI:
1 - Good
PM2.5:
6.37 μg/m3
PM10:
9.53 μg/m3
Carbon Monoxide: 103.93 μg/m3
Nitrogen Dioxide: 1.67 μg/m3
Sulphur Dioxide: 1.13 μg/m3
Ozone: 69.04 μg/m3
Nitrogen Dioxide: 1.67 μg/m3
Sulphur Dioxide: 1.13 μg/m3
Ozone: 69.04 μg/m3
Astronomical
Sunrise: 7:35 AM
Sun Transit: 1:32 PM
Sunset: 7:29 PM
Daylight: 11 hrs 54 mins
Sun Transit: 1:32 PM
Sunset: 7:29 PM
Daylight: 11 hrs 54 mins
Moonrise: 2:16 AM
Moon Transit: 7:28 AM
Moonset: 12:40 AM
Moon Phase: Last Quarter
Moon Illumination: 36.0%
Moon Transit: 7:28 AM
Moonset: 12:40 AM
Moon Phase: Last Quarter
Moon Illumination: 36.0%
Best Times for Fishing or Hunting
Major Periods
6:58 AM - 9:28 AM8:42 PM - 11:12 PM
Minor Periods
12:10 AM - 1:40 PM1:46 AM - 3:16 AM
Action Rating: 2 out of 5
Thursday, March 12, 2026
Weather Forecast
Patchy rain nearby
77.4°F
72°F
74.5°F
88%
0.06 in
82%
0%
17.4 mph
2.2
Air Quality
AQI:
1 - Good
PM2.5:
6.04 μg/m3
PM10:
9.03 μg/m3
Carbon Monoxide: 105.83 μg/m3
Nitrogen Dioxide: 1.6 μg/m3
Sulphur Dioxide: 1.07 μg/m3
Ozone: 67.32 μg/m3
Nitrogen Dioxide: 1.6 μg/m3
Sulphur Dioxide: 1.07 μg/m3
Ozone: 67.32 μg/m3
Astronomical
Sunrise: 7:34 AM
Sun Transit: 1:31 PM
Sunset: 7:29 PM
Daylight: 11 hrs 56 mins
Sun Transit: 1:31 PM
Sunset: 7:29 PM
Daylight: 11 hrs 56 mins
Moonrise: 3:08 AM
Moon Transit: 8:20 AM
Moonset: 1:33 PM
Moon Phase: Last Quarter
Moon Illumination: 25.6%
Moon Transit: 8:20 AM
Moonset: 1:33 PM
Moon Phase: Last Quarter
Moon Illumination: 25.6%
Best Times for Fishing or Hunting
Major Periods
7:50 AM - 10:20 AM12:00 AM - 12:00 AM
Minor Periods
1:03 PM - 2:33 PM2:38 AM - 4:08 AM
Action Rating: 3 out of 5
Friday, March 13, 2026
Weather Forecast
Patchy rain nearby
77.6°F
74.9°F
76.7°F
73%
0.07 in
86%
0%
11.6 mph
0
Air Quality
AQI:
1 - Good
PM2.5:
6.35 μg/m3
PM10:
8.37 μg/m3
Carbon Monoxide: 121.31 μg/m3
Nitrogen Dioxide: 7.49 μg/m3
Sulphur Dioxide: 2.29 μg/m3
Ozone: 60.23 μg/m3
Nitrogen Dioxide: 7.49 μg/m3
Sulphur Dioxide: 2.29 μg/m3
Ozone: 60.23 μg/m3
Astronomical
Sunrise: 7:33 AM
Sun Transit: 12:00 AM
Sunset: 7:30 PM
Daylight: 11 hrs 57 mins
Sun Transit: 12:00 AM
Sunset: 7:30 PM
Daylight: 11 hrs 57 mins
Moonrise: 3:57 AM
Moon Transit: 9:11 AM
Moonset: 2:29 PM
Moon Phase: Waning Crescent
Moon Illumination: 16.4%
Moon Transit: 9:11 AM
Moonset: 2:29 PM
Moon Phase: Waning Crescent
Moon Illumination: 16.4%
Best Times for Fishing or Hunting
Major Periods
8:41 AM - 11:11 AM12:00 AM - 12:00 AM
Minor Periods
1:59 PM - 3:29 PM3:27 AM - 4:57 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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