Water Temperature of the Florida Bay Near Key Largo, FL

Current Water Temperature

77.7°F

Measurement Time: Saturday, April 18, 2026, 6:00 AM EDT

Temperature Locations

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Local Points of Interest

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

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

81°F
Light rain
Light rain
88.2°F
80.2°F
74%
E 11.4 mph
16.2 mph
76.1°F
71.1°F
0 in
25%
9 mi
1016 mbar
1.7

Five Day Weather Forecast

Partly Cloudy
Sat
H: 81°F
L: 75°F
Patchy rain nearby
Sun
H: 77°F
L: 75°F
Patchy rain nearby
Mon
H: 77°F
L: 75°F
Patchy rain nearby
Tue
H: 74°F
L: 73°F
Partly Cloudy
Wed
H: 75°F
L: 73°F

Air Quality

AQI: 1 - Good
PM2.5: 5.45 μg/m3
PM10: 7.65 μg/m3
Carbon Monoxide: 110.85 μg/m3
Nitrogen Dioxide: 1.45 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 67 μg/m3

Astronomical

Sunrise: 6:57 AM
Sun Transit: 1:21 PM
Sunset: 7:46 PM
Daylight: 12 hrs 49 mins
Moonrise: 7:30 AM
Moon Transit: 2:24 PM
Moonset: 9:25 PM
Moon Phase: New
Moon Illumination: 1.2%

Best Times for Fishing or Hunting

Major Periods

2:44 AM - 5:14 AM
1:54 PM - 4:24 PM

Minor Periods

8:55 PM - 10:25 PM
7:00 AM - 8:30 AM

Action Rating: 4 out of 5

Saturday, April 18, 2026

Weather Forecast

Partly Cloudy
80.6°F
74.7°F
76.8°F
86%
0 in
0%
0%
14.5 mph
2.8


Air Quality

AQI: 1 - Good
PM2.5: 5.35 μg/m3
PM10: 7.61 μg/m3
Carbon Monoxide: 111.17 μg/m3
Nitrogen Dioxide: 2.06 μg/m3
Sulphur Dioxide: 1.26 μg/m3
Ozone: 64.8 μg/m3

Astronomical

Sunrise: 6:57 AM
Sun Transit: 1:21 PM
Sunset: 7:46 PM
Daylight: 12 hrs 49 mins
Moonrise: 7:30 AM
Moon Transit: 2:24 PM
Moonset: 9:25 PM
Moon Phase: New
Moon Illumination: 1.2%

Best Times for Fishing or Hunting

Major Periods

2:44 AM - 5:14 AM
1:54 PM - 4:24 PM

Minor Periods

8:55 PM - 10:25 PM
7:00 AM - 8:30 AM

Action Rating: 4 out of 5

Sunday, April 19, 2026

Weather Forecast

Patchy rain nearby
77.3°F
75.2°F
76.3°F
82%
0.1 in
88%
0%
13.4 mph
2.8


Air Quality

AQI: 1 - Good
PM2.5: 5.64 μg/m3
PM10: 7.93 μg/m3
Carbon Monoxide: 110.05 μg/m3
Nitrogen Dioxide: 2.09 μg/m3
Sulphur Dioxide: 1.36 μg/m3
Ozone: 63.8 μg/m3

Astronomical

Sunrise: 6:56 AM
Sun Transit: 1:21 PM
Sunset: 7:47 PM
Daylight: 12 hrs 50 mins
Moonrise: 8:19 AM
Moon Transit: 3:25 PM
Moonset: 10:37 PM
Moon Phase: Waxing Crescent
Moon Illumination: 4.9%

Best Times for Fishing or Hunting

Major Periods

3:43 AM - 6:13 AM
2:55 PM - 5:25 PM

Minor Periods

10:07 PM - 11:37 PM
7:49 AM - 9:19 AM

Action Rating: 2 out of 5

Monday, April 20, 2026

Weather Forecast

Patchy rain nearby
77.1°F
74.6°F
76.1°F
79%
0.09 in
88%
0%
22.4 mph
2.5


Air Quality

AQI: 1 - Good
PM2.5: 7.3 μg/m3
PM10: 8.93 μg/m3
Carbon Monoxide: 119.97 μg/m3
Nitrogen Dioxide: 5.21 μg/m3
Sulphur Dioxide: 1.96 μg/m3
Ozone: 80.44 μg/m3

Astronomical

Sunrise: 6:55 AM
Sun Transit: 1:20 PM
Sunset: 7:47 PM
Daylight: 12 hrs 52 mins
Moonrise: 9:15 AM
Moon Transit: 4:29 PM
Moonset: 11:46 PM
Moon Phase: Waxing Crescent
Moon Illumination: 10.8%

Best Times for Fishing or Hunting

Major Periods

4:46 AM - 7:16 AM
3:59 PM - 6:29 PM

Minor Periods

12:00 AM - 12:00 AM
8:45 AM - 10:15 AM

Action Rating: 3 out of 5

Tuesday, April 21, 2026

Weather Forecast

Patchy rain nearby
74.4°F
73.2°F
73.8°F
70%
0.11 in
87%
0%
27.3 mph
2.2


Air Quality

AQI: 1 - Good
PM2.5: 7.74 μg/m3
PM10: 11.73 μg/m3
Carbon Monoxide: 138.76 μg/m3
Nitrogen Dioxide: 2.62 μg/m3
Sulphur Dioxide: 1.44 μg/m3
Ozone: 120.64 μg/m3

Astronomical

Sunrise: 6:54 AM
Sun Transit: 1:20 PM
Sunset: 7:47 PM
Daylight: 12 hrs 53 mins
Moonrise: 10:19 AM
Moon Transit: 5:34 PM
Moonset: 12:46 AM
Moon Phase: Waxing Crescent
Moon Illumination: 18.8%

Best Times for Fishing or Hunting

Major Periods

5:51 AM - 8:21 AM
5:04 PM - 7:34 PM

Minor Periods

9:49 AM - 11:19 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Wednesday, April 22, 2026

Weather Forecast

Partly Cloudy
74.7°F
72.9°F
73.8°F
63%
0 in
0%
0%
25.9 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 8.67 μg/m3
PM10: 13.47 μg/m3
Carbon Monoxide: 141.9 μg/m3
Nitrogen Dioxide: 1.63 μg/m3
Sulphur Dioxide: 1.18 μg/m3
Ozone: 117 μg/m3

Astronomical

Sunrise: 6:54 AM
Sun Transit: 1:20 PM
Sunset: 7:48 PM
Daylight: 12 hrs 54 mins
Moonrise: 11:25 AM
Moon Transit: 6:36 PM
Moonset: 12:49 AM
Moon Phase: Waxing Crescent
Moon Illumination: 28.4%

Best Times for Fishing or Hunting

Major Periods

6:55 AM - 9:25 AM
6:06 PM - 8:36 PM

Minor Periods

10:55 AM - 12:25 AM
12:19 AM - 1:49 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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