Water Temperature of the Florida Bay Near Key Largo, FL

Current Water Temperature

87.6°F

Measurement Time: Saturday, September 13, 2025, 2:00 PM EDT

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

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)
Florida Bay, Islamorada, FL (18.4 mi)

Weather Near Key Largo, Florida

Current Weather

82.2°F
Moderate or heavy rain with thunder
Conditions: Moderate or heavy rain with thunder
Humidity: 69%
Feels Like: 88.2°F
Wind: NNW 2.2 mph
Wind Gusts: 6.7 mph
Pressure: 29.84 in
Precipitation: 0 in
Cloud Cover: 25%
Visibility: 9 mi
UV Index: 0.4

Five Day Weather Forecast

Patchy rain nearby
Sat
H: 84°F
L: 79°F
Patchy rain nearby
Sun
H: 84°F
L: 82°F
Patchy rain nearby
Mon
H: 87°F
L: 83°F
Patchy rain nearby
Tue
H: 85°F
L: 84°F
Heavy rain
Wed
H: 83°F
L: 82°F

Air Quality

AQI: 1 - Good
PM2.5: 3.89 μg/m3
PM10: 5 μg/m3
Carbon Monoxide: 238.65 μg/m3
Nitrogen Dioxide: 3.15 μg/m3
Sulphur Dioxide: 1.11 μg/m3
Ozone: 82 μg/m3

Astronomical

Sunrise: 7:07 AM
Sun Transit: 1:17 PM
Sunset: 7:28 PM
Daylight: 12 hrs 20 mins
Moonrise: 12:01 AM
Moon Transit: 6:10 AM
Moonset: 1:23 PM
Moon Phase: Waning Gibbous
Moon Illumination: 56.4%

Best Times for Fishing or Hunting

Major Periods

5:40 AM - 8:10 AM
7:30 PM - 10:00 PM

Minor Periods

12:53 AM - 2:23 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Coastal Flood Statement issued September 12 at 9:48PM EDT until September 13 at 4:00PM EDT by NWS Miami FL

Effective: Fri September 12, 2025, 9:48 PM
Expires: Sat September 13, 2025, 4:00 PM

* WHAT...Isolated minor coastal flooding. * WHERE...Coastal Palm Beach County, Coastal Broward County and Coastal Miami Dade County. * WHEN...Through Saturday afternoon. * IMPACTS...Some water on low lying roads and property.

Do not drive through flooded roadways.


Coastal Flood Statement issued September 12 at 9:48PM EDT until September 13 at 4:00PM EDT by NWS Miami FL

Effective: Fri September 12, 2025, 9:48 PM
Expires: Sat September 13, 2025, 4:00 PM

* WHAT...Isolated minor coastal flooding. * WHERE...Coastal Palm Beach County, Coastal Broward County and Coastal Miami Dade County. * WHEN...Through Saturday afternoon. * IMPACTS...Some water on low lying roads and property.

Do not drive through flooded roadways.
Saturday, September 13, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 81.7°F
Average Humidity: 80%
Chance of Rain: 66%
Wind: 12.1 mph
UV Index: 1

Air Quality

AQI: 1 - Good
PM2.5: 6.44 μg/m3
PM10: 7.63 μg/m3
Carbon Monoxide: 231.18 μg/m3
Nitrogen Dioxide: 10.15 μg/m3
Sulphur Dioxide: 3.71 μg/m3
Ozone: 73.48 μg/m3

Astronomical

Sunrise: 7:07 AM
Sun Transit: 1:17 PM
Sunset: 7:28 PM
Daylight: 12 hrs 20 mins
Moonrise: 12:01 AM
Moon Transit: 6:10 AM
Moonset: 1:23 PM
Moon Phase: Waning Gibbous
Moon Illumination: 56.4%

Best Times for Fishing or Hunting

Major Periods

5:40 AM - 8:10 AM
7:30 PM - 10:00 PM

Minor Periods

12:53 AM - 2:23 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Sunday, September 14, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 83.1°F
Average Humidity: 72%
Chance of Rain: 59%
Wind: 7.2 mph
UV Index: 2.4

Air Quality

AQI: 1 - Good
PM2.5: 4.81 μg/m3
PM10: 5.51 μg/m3
Carbon Monoxide: 235.17 μg/m3
Nitrogen Dioxide: 4.55 μg/m3
Sulphur Dioxide: 1.8 μg/m3
Ozone: 81.64 μg/m3

Astronomical

Sunrise: 7:08 AM
Sun Transit: 1:17 PM
Sunset: 7:26 PM
Daylight: 12 hrs 19 mins
Moonrise: 12:57 AM
Moon Transit: 7:12 AM
Moonset: 2:29 PM
Moon Phase: Last Quarter
Moon Illumination: 45.1%

Best Times for Fishing or Hunting

Major Periods

6:42 AM - 9:12 AM
8:32 PM - 11:02 PM

Minor Periods

1:59 PM - 3:29 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Monday, September 15, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 84.2°F
Average Humidity: 74%
Chance of Rain: 83%
Wind: 12.3 mph
UV Index: 2.4

Air Quality

AQI: 1 - Good
PM2.5: 4.11 μg/m3
PM10: 5.05 μg/m3
Carbon Monoxide: 224.59 μg/m3
Nitrogen Dioxide: 1.44 μg/m3
Sulphur Dioxide: 0.46 μg/m3
Ozone: 81.08 μg/m3

Astronomical

Sunrise: 7:08 AM
Sun Transit: 1:17 PM
Sunset: 7:25 PM
Daylight: 12 hrs 17 mins
Moonrise: 12:58 AM
Moon Transit: 8:13 AM
Moonset: 3:28 PM
Moon Phase: Last Quarter
Moon Illumination: 34.0%

Best Times for Fishing or Hunting

Major Periods

7:43 AM - 10:13 AM
12:00 AM - 12:00 AM

Minor Periods

2:58 PM - 4:28 PM
12:28 AM - 1:58 AM

Action Rating: 2 out of 5

Tuesday, September 16, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 84.1°F
Average Humidity: 76%
Chance of Rain: 81%
Wind: 18.6 mph
UV Index: 2.4

Air Quality

AQI: 1 - Good
PM2.5: 8.97 μg/m3
PM10: 11.54 μg/m3
Carbon Monoxide: 233.91 μg/m3
Nitrogen Dioxide: 8.42 μg/m3
Sulphur Dioxide: 2.3 μg/m3
Ozone: 74.8 μg/m3

Astronomical

Sunrise: 7:08 AM
Sun Transit: 1:16 PM
Sunset: 7:24 PM
Daylight: 12 hrs 16 mins
Moonrise: 2:02 AM
Moon Transit: 9:12 AM
Moonset: 4:20 PM
Moon Phase: Last Quarter
Moon Illumination: 23.8%

Best Times for Fishing or Hunting

Major Periods

8:42 AM - 11:12 AM
12:00 AM - 12:00 AM

Minor Periods

3:50 PM - 5:20 PM
1:32 AM - 3:02 AM

Action Rating: 2 out of 5

Wednesday, September 17, 2025

Weather Forecast

Conditions: Heavy rain
Average Temperature: 82.8°F
Average Humidity: 75%
Chance of Rain: 87%
Wind: 18.6 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 7.4 μg/m3
PM10: 10.29 μg/m3
Carbon Monoxide: 201.79 μg/m3
Nitrogen Dioxide: 4.67 μg/m3
Sulphur Dioxide: 0.84 μg/m3
Ozone: 60.54 μg/m3

Astronomical

Sunrise: 7:09 AM
Sun Transit: 1:16 PM
Sunset: 7:23 PM
Daylight: 12 hrs 14 mins
Moonrise: 3:06 AM
Moon Transit: 10:07 AM
Moonset: 5:04 PM
Moon Phase: Waning Crescent
Moon Illumination: 14.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:37 AM - 12:07 AM

Minor Periods

4:34 PM - 6:04 PM
2:36 AM - 4:06 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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