Water Temperature of the Florida Bay Near Key Largo, FL

Current Water Temperature

76.3°F

Measurement Time: Thursday, December 11, 2025, 2:00 AM EST

Temperature Locations

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Local Points of Interest

Butternut Key; Florida Bay; Everglades National Park; Gulf of Mexico; Atlantic Ocean

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Florida Bay

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

Elevation Above Sea Level: 0 feet / 0 meters

Nearest Address:
Offshore
Key Largo, FL 33037
Monroe County

GPS Coordinates: 25.087, -80.519

Nearby Water Temperatures

Mud Creek, Homestead, FL (9.0 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 (11.0 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

59.4°F
Clear
Conditions: Clear
Humidity: 86%
Feels Like: 59.4°F
Wind: NNW 18.8 mph
Wind Gusts: 23.2 mph
Pressure: 29.97 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Sunny
Thu
H: 76°F
L: 66°F
Overcast
Fri
H: 72°F
L: 68°F
Cloudy
Sat
H: 78°F
L: 72°F
Moderate rain
Sun
H: 76°F
L: 74°F
Patchy rain nearby
Mon
H: 76°F
L: 70°F

Air Quality

AQI: 1 - Good
PM2.5: 8.35 μg/m3
PM10: 10.85 μg/m3
Carbon Monoxide: 158.85 μg/m3
Nitrogen Dioxide: 6.55 μg/m3
Sulphur Dioxide: 3.25 μg/m3
Ozone: 78 μg/m3

Astronomical

Sunrise: 6:57 AM
Sun Transit: 12:15 AM
Sunset: 5:33 PM
Daylight: 10 hrs 36 mins
Moonrise: 12:40 AM
Moon Transit: 6:04 AM
Moonset: 12:23 AM
Moon Phase: Last Quarter
Moon Illumination: 51.8%

Best Times for Fishing or Hunting

Major Periods

5:34 AM - 8:04 AM
7:13 PM - 9:43 PM

Minor Periods

11:53 AM - 1:23 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Thursday, December 11, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 70°F
Average Humidity: 73%
Chance of Rain: 0%
Wind: 18.8 mph
UV Index: 0.9

Air Quality

AQI: 1 - Good
PM2.5: 8.17 μg/m3
PM10: 10.47 μg/m3
Carbon Monoxide: 151.85 μg/m3
Nitrogen Dioxide: 5.62 μg/m3
Sulphur Dioxide: 2.72 μg/m3
Ozone: 85.2 μg/m3

Astronomical

Sunrise: 6:57 AM
Sun Transit: 12:15 AM
Sunset: 5:33 PM
Daylight: 10 hrs 36 mins
Moonrise: 12:40 AM
Moon Transit: 6:04 AM
Moonset: 12:23 AM
Moon Phase: Last Quarter
Moon Illumination: 51.8%

Best Times for Fishing or Hunting

Major Periods

5:34 AM - 8:04 AM
7:13 PM - 9:43 PM

Minor Periods

11:53 AM - 1:23 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Friday, December 12, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 70.7°F
Average Humidity: 78%
Chance of Rain: 0%
Wind: 14.3 mph
UV Index: 1.1

Air Quality

AQI: 1 - Good
PM2.5: 9.21 μg/m3
PM10: 11.99 μg/m3
Carbon Monoxide: 150.45 μg/m3
Nitrogen Dioxide: 8.07 μg/m3
Sulphur Dioxide: 3.17 μg/m3
Ozone: 90.16 μg/m3

Astronomical

Sunrise: 6:58 AM
Sun Transit: 12:16 AM
Sunset: 5:34 PM
Daylight: 10 hrs 36 mins
Moonrise: 12:35 AM
Moon Transit: 6:46 AM
Moonset: 12:52 AM
Moon Phase: Last Quarter
Moon Illumination: 40.5%

Best Times for Fishing or Hunting

Major Periods

6:16 AM - 8:46 AM
7:54 PM - 10:24 PM

Minor Periods

12:22 AM - 1:52 PM
12:05 AM - 1:35 AM

Action Rating: 2 out of 5

Saturday, December 13, 2025

Weather Forecast

Conditions: Cloudy
Average Temperature: 75.4°F
Average Humidity: 78%
Chance of Rain: 0%
Wind: 14.1 mph
UV Index: 0.6

Air Quality

AQI: 1 - Good
PM2.5: 7.65 μg/m3
PM10: 10.56 μg/m3
Carbon Monoxide: 127.17 μg/m3
Nitrogen Dioxide: 1.61 μg/m3
Sulphur Dioxide: 1.31 μg/m3
Ozone: 95.2 μg/m3

Astronomical

Sunrise: 6:59 AM
Sun Transit: 12:16 AM
Sunset: 5:34 PM
Daylight: 10 hrs 36 mins
Moonrise: 1:26 AM
Moon Transit: 7:26 AM
Moonset: 1:21 PM
Moon Phase: Last Quarter
Moon Illumination: 29.7%

Best Times for Fishing or Hunting

Major Periods

6:56 AM - 9:26 AM
8:34 PM - 11:04 PM

Minor Periods

12:51 AM - 2:21 PM
12:56 AM - 2:26 AM

Action Rating: 3 out of 5

Sunday, December 14, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 75.7°F
Average Humidity: 80%
Chance of Rain: 88%
Wind: 20.8 mph
UV Index: 1

Air Quality

AQI: 1 - Good
PM2.5: 3.81 μg/m3
PM10: 5.03 μg/m3
Carbon Monoxide: 121.19 μg/m3
Nitrogen Dioxide: 2.33 μg/m3
Sulphur Dioxide: 1.3 μg/m3
Ozone: 76.08 μg/m3

Astronomical

Sunrise: 6:59 AM
Sun Transit: 12:16 AM
Sunset: 5:34 PM
Daylight: 10 hrs 35 mins
Moonrise: 2:18 AM
Moon Transit: 8:07 AM
Moonset: 1:51 PM
Moon Phase: Last Quarter
Moon Illumination: 19.9%

Best Times for Fishing or Hunting

Major Periods

7:37 AM - 10:07 AM
9:15 PM - 11:45 PM

Minor Periods

1:21 PM - 2:51 PM
1:48 AM - 3:18 AM

Action Rating: 2 out of 5

Monday, December 15, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 74°F
Average Humidity: 72%
Chance of Rain: 88%
Wind: 25.5 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 6.21 μg/m3
PM10: 6.76 μg/m3
Carbon Monoxide: 161.81 μg/m3
Nitrogen Dioxide: 9.11 μg/m3
Sulphur Dioxide: 3.29 μg/m3
Ozone: 69.85 μg/m3

Astronomical

Sunrise: 7:00 AM
Sun Transit: 12:17 AM
Sunset: 5:35 PM
Daylight: 10 hrs 35 mins
Moonrise: 3:10 AM
Moon Transit: 8:49 AM
Moonset: 2:24 PM
Moon Phase: Waning Crescent
Moon Illumination: 11.7%

Best Times for Fishing or Hunting

Major Periods

8:19 AM - 10:49 AM
12:00 AM - 12:00 AM

Minor Periods

1:54 PM - 3:24 PM
2:40 AM - 4:10 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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