Water Temperature of the Florida Bay Near Key Largo, FL

Current Water Temperature

82.9°F 28.3°C
Warm Warm & Relaxing
82.9°F
Frigid < 50°F
Cold 50°–60°
Cool 60°–70°
Comfortable 70°–80°
Warm 80°+

Water feels warm and inviting. Safe for extended immersion with virtually no thermal fatigue.

Measurement Time: Tuesday, November 10, 2026, 5:00 PM 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

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

79.7°F
Overcast
Conditions: Overcast
Humidity: 79%
Feels Like: 83.1°F
Wind: SE 14 mph
Wind Gusts: 14.3 mph
Pressure: 30.02 in
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 12.1 mi
UV Index: 0

Weather Forecast

Overcast
Wed
H: 82°F
L: 80°F
Light Rain Showers
Thu
H: 81°F
L: 74°F
Overcast
Fri
H: 81°F
L: 70°F
Overcast
Sat
H: 70°F
L: 64°F
Light Drizzle
Sun
H: 78°F
L: 70°F

Air Quality

EPA Index 1 • Good

Air quality is satisfactory, and air pollution poses little or no risk.

PM2.5
6.2 μg/m³
Good
PM10
10 μg/m³
Good
Ozone (O3)
90 μg/m³
Photochemical
NO2
0.7 μg/m³
Nitrogen Dioxide
SO2
0.8 μg/m³
Sulfur Dioxide
CO
117 μg/m³
Carbon Monoxide

Astronomical

Sun
10h 59m daylight
Sunrise 6:36 AM
Solar Noon 12:06 PM
Sunset 5:36 PM
Moon
New • 2%
Moonrise 8:47 AM
Transit 2:01 PM
Moonset 7:15 PM

Best Times for Fishing or Hunting

Major Periods

1:05 AM - 3:35 AM
1:31 PM - 4:01 PM

Minor Periods

8:17 AM - 9:47 AM
6:45 PM - 8:15 PM
Action Rating:
Good Action 3/5
Wednesday, November 11, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 80.2°F
Average Humidity: 71%
Chance of Rain: 4%
Wind: 14 mph
UV Index: 5.1

Air Quality

EPA Index 1 • Good
PM2.5
6.5 μg/m³
Good
PM10
10.5 μg/m³
Good
Ozone (O3)
86 μg/m³
Photochemical
NO2
0.7 μg/m³
Nitrogen Dioxide
SO2
0.7 μg/m³
Sulfur Dioxide
CO
116.3 μg/m³
Carbon Monoxide

Astronomical

Sun
10h 59m daylight
Sunrise 6:36 AM
Solar Noon 12:06 PM
Sunset 5:36 PM
Moon
New • 2%
Moonrise 8:47 AM
Transit 2:01 PM
Moonset 7:15 PM

Best Times for Fishing or Hunting

Major Periods

1:05 AM - 3:35 AM
1:31 PM - 4:01 PM

Minor Periods

8:17 AM - 9:47 AM
6:45 PM - 8:15 PM
Action Rating:
Good Action 3/5
Thursday, November 12, 2026

Weather Forecast

Conditions: Light Rain Showers
Average Temperature: 78.4°F
Average Humidity: 81%
Chance of Rain: 15%
Wind: 13.4 mph
UV Index: 5

Air Quality

EPA Index 1 • Good
PM2.5
5 μg/m³
Good
PM10
7.8 μg/m³
Good
Ozone (O3)
73.2 μg/m³
Photochemical
NO2
1.3 μg/m³
Nitrogen Dioxide
SO2
0.8 μg/m³
Sulfur Dioxide
CO
113.3 μg/m³
Carbon Monoxide

Astronomical

Sun
10h 58m daylight
Sunrise 6:37 AM
Solar Noon 12:06 PM
Sunset 5:35 PM
Moon
Waxing Crescent • 6%
Moonrise 9:40 AM
Transit 2:52 PM
Moonset 8:07 PM

Best Times for Fishing or Hunting

Major Periods

1:57 AM - 4:27 AM
2:22 PM - 4:52 PM

Minor Periods

9:10 AM - 10:40 AM
7:37 PM - 9:07 PM
Action Rating:
Fair Action 2/5
Friday, November 13, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 75.2°F
Average Humidity: 71%
Chance of Rain: 25%
Wind: 11.1 mph
UV Index: 5.7

Air Quality

EPA Index 1 • Good
PM2.5
4.9 μg/m³
Good
PM10
6.4 μg/m³
Good
Ozone (O3)
79.5 μg/m³
Photochemical
NO2
1.9 μg/m³
Nitrogen Dioxide
SO2
0.9 μg/m³
Sulfur Dioxide
CO
130.5 μg/m³
Carbon Monoxide

Astronomical

Sun
10h 57m daylight
Sunrise 6:38 AM
Solar Noon 12:06 PM
Sunset 5:35 PM
Moon
Waxing Crescent • 13%
Moonrise 10:28 AM
Transit 3:43 PM
Moonset 9:01 PM

Best Times for Fishing or Hunting

Major Periods

2:48 AM - 5:18 AM
3:13 PM - 5:43 PM

Minor Periods

9:58 AM - 11:28 AM
8:31 PM - 10:01 PM
Action Rating:
Good Action 3/5
Saturday, November 14, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 66.9°F
Average Humidity: 60%
Chance of Rain: 2%
Wind: 14.2 mph
UV Index: 2.3

Air Quality

EPA Index 2 • Moderate
PM2.5
7.5 μg/m³
Good
PM10
9 μg/m³
Good
Ozone (O3)
92.8 μg/m³
Photochemical
NO2
3.5 μg/m³
Nitrogen Dioxide
SO2
1 μg/m³
Sulfur Dioxide
CO
141.3 μg/m³
Carbon Monoxide

Astronomical

Sun
10h 56m daylight
Sunrise 6:38 AM
Solar Noon 12:06 PM
Sunset 5:34 PM
Moon
Waxing Crescent • 21%
Moonrise 11:12 AM
Transit 4:32 PM
Moonset 9:56 PM

Best Times for Fishing or Hunting

Major Periods

3:38 AM - 6:08 AM
4:02 PM - 6:32 PM

Minor Periods

10:42 AM - 12:12 PM
9:26 PM - 10:56 PM
Action Rating:
Fair Action 2/5
Sunday, November 15, 2026

Weather Forecast

Conditions: Light Drizzle
Average Temperature: 75.6°F
Average Humidity: 69%
Chance of Rain: 12%
Wind: 17.8 mph
UV Index: 3.1

Air Quality

EPA Index 1 • Good
PM2.5
9.7 μg/m³
Good
PM10
12.4 μg/m³
Good
Ozone (O3)
77.1 μg/m³
Photochemical
NO2
7.8 μg/m³
Nitrogen Dioxide
SO2
1.1 μg/m³
Sulfur Dioxide
CO
186.4 μg/m³
Carbon Monoxide

Astronomical

Sun
10h 55m daylight
Sunrise 6:39 AM
Solar Noon 12:06 PM
Sunset 5:34 PM
Moon
Waxing Crescent • 31%
Moonrise 11:51 AM
Transit 5:18 PM
Moonset 10:51 PM

Best Times for Fishing or Hunting

Major Periods

4:25 AM - 6:55 AM
4:48 PM - 7:18 PM

Minor Periods

11:21 AM - 12:51 PM
10:21 PM - 11:51 PM
Action Rating:
Good Action 3/5
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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