Water Temperature of the Florida Bay Near Key Largo, FL

Current Water Temperature

84.2°F

Measurement Time: Monday, October 13, 2025, 5:00 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

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

81.1°F
Partly cloudy
Conditions: Partly cloudy
Humidity: 74%
Feels Like: 87.2°F
Wind: ENE 15.4 mph
Wind Gusts: 20.9 mph
Pressure: 29.87 in
Precipitation: 0 in
Cloud Cover: 50%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Sunny
Mon
H: 85°F
L: 78°F
Overcast
Tue
H: 80°F
L: 79°F
Overcast
Wed
H: 80°F
L: 79°F
Patchy rain nearby
Thu
H: 80°F
L: 78°F
Moderate rain
Fri
H: 80°F
L: 79°F

Air Quality

AQI: 1 - Good
PM2.5: 8.25 μg/m3
PM10: 10.65 μg/m3
Carbon Monoxide: 129.85 μg/m3
Nitrogen Dioxide: 7.75 μg/m3
Sulphur Dioxide: 3.15 μg/m3
Ozone: 107 μg/m3

Astronomical

Sunrise: 7:19 AM
Sun Transit: 1:08 PM
Sunset: 6:57 PM
Daylight: 11 hrs 37 mins
Moonrise: 12:54 AM
Moon Transit: 7:07 AM
Moonset: 2:17 PM
Moon Phase: Last Quarter
Moon Illumination: 51.1%

Best Times for Fishing or Hunting

Major Periods

6:37 AM - 9:07 AM
8:25 PM - 10:55 PM

Minor Periods

1:47 PM - 3:17 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Coastal Flood Statement issued October 13 at 11:04AM EDT until October 14 at 6:00AM EDT by NWS Key West FL

Effective: Mon October 13, 2025, 11:04 AM
Expires: Mon October 13, 2025, 7:15 PM

* WHAT...Minor saltwater flooding. * WHERE...Middle and Lower Florida Keys. * WHEN...Through late tonight. * IMPACTS...Minor saltwater flooding of low elevation streets and lots is expected, mainly around the times of high tide. Some storm drains will overflow, and some seawalls and docks will be overtopped. Boaters can expect less clearance under fixed bridges. Motorists should remember that persistent puddles around the times of high tide are almost certain to contain a mix of saltwater.

Do not drive through flooded roadways.


Coastal Flood Advisory issued October 13 at 11:04AM EDT until October 14 at 6:00AM EDT by NWS Key West FL

Effective: Mon October 13, 2025, 11:04 AM
Expires: Mon October 13, 2025, 7:15 PM

* WHAT...Saltwater flooding. * WHERE...Upper Florida Keys. * WHEN...Until 6 AM EDT Tuesday. * IMPACTS...Saltwater flooding of low elevation streets and lots is expected, with little relief even outside the times of high tide. Some storm drains will overflow, and some seawalls and docks will be overtopped. Boaters can expect less clearance under fixed bridges. Motorists should remember that persistent puddles around the times of high tide are almost certain to contain a mix of saltwater.

If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.


Coastal Flood Statement issued October 13 at 2:38AM EDT until October 13 at 6:00PM EDT by NWS Miami FL

Effective: Mon October 13, 2025, 2:38 AM
Expires: Mon October 13, 2025, 5:00 PM

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

Do not drive through flooded roadways.


Monday, October 13, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 80.8°F
Average Humidity: 80%
Chance of Rain: 0%
Wind: 15.4 mph
UV Index: 1.9

Air Quality

AQI: 1 - Good
PM2.5: 7.26 μg/m3
PM10: 8.77 μg/m3
Carbon Monoxide: 146.89 μg/m3
Nitrogen Dioxide: 7.12 μg/m3
Sulphur Dioxide: 3.4 μg/m3
Ozone: 96.36 μg/m3

Astronomical

Sunrise: 7:19 AM
Sun Transit: 1:08 PM
Sunset: 6:57 PM
Daylight: 11 hrs 37 mins
Moonrise: 12:54 AM
Moon Transit: 7:07 AM
Moonset: 2:17 PM
Moon Phase: Last Quarter
Moon Illumination: 51.1%

Best Times for Fishing or Hunting

Major Periods

6:37 AM - 9:07 AM
8:25 PM - 10:55 PM

Minor Periods

1:47 PM - 3:17 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Tuesday, October 14, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 80.1°F
Average Humidity: 79%
Chance of Rain: 0%
Wind: 19.5 mph
UV Index: 1.9

Air Quality

AQI: 1 - Good
PM2.5: 7.79 μg/m3
PM10: 10.06 μg/m3
Carbon Monoxide: 135.53 μg/m3
Nitrogen Dioxide: 6.83 μg/m3
Sulphur Dioxide: 3.12 μg/m3
Ozone: 96.4 μg/m3

Astronomical

Sunrise: 7:20 AM
Sun Transit: 1:07 PM
Sunset: 6:56 PM
Daylight: 11 hrs 36 mins
Moonrise: 12:59 AM
Moon Transit: 8:04 AM
Moonset: 3:03 PM
Moon Phase: Last Quarter
Moon Illumination: 39.8%

Best Times for Fishing or Hunting

Major Periods

7:34 AM - 10:04 AM
9:19 PM - 11:49 PM

Minor Periods

2:33 PM - 4:03 PM
12:29 AM - 1:59 AM

Action Rating: 3 out of 5

Wednesday, October 15, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 79.9°F
Average Humidity: 76%
Chance of Rain: 0%
Wind: 18.8 mph
UV Index: 1.9

Air Quality

AQI: 1 - Good
PM2.5: 7.82 μg/m3
PM10: 10.35 μg/m3
Carbon Monoxide: 132.49 μg/m3
Nitrogen Dioxide: 6.37 μg/m3
Sulphur Dioxide: 2.69 μg/m3
Ozone: 87.52 μg/m3

Astronomical

Sunrise: 7:20 AM
Sun Transit: 1:07 PM
Sunset: 6:55 PM
Daylight: 11 hrs 34 mins
Moonrise: 2:02 AM
Moon Transit: 8:55 AM
Moonset: 3:43 PM
Moon Phase: Last Quarter
Moon Illumination: 29.1%

Best Times for Fishing or Hunting

Major Periods

8:25 AM - 10:55 AM
12:00 AM - 12:00 AM

Minor Periods

3:13 PM - 4:43 PM
1:32 AM - 3:02 AM

Action Rating: 2 out of 5

Thursday, October 16, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 79.5°F
Average Humidity: 74%
Chance of Rain: 89%
Wind: 16.1 mph
UV Index: 1.6

Air Quality

AQI: 1 - Good
PM2.5: 8.06 μg/m3
PM10: 10.53 μg/m3
Carbon Monoxide: 134.41 μg/m3
Nitrogen Dioxide: 7.23 μg/m3
Sulphur Dioxide: 2.9 μg/m3
Ozone: 88.48 μg/m3

Astronomical

Sunrise: 7:21 AM
Sun Transit: 1:07 PM
Sunset: 6:54 PM
Daylight: 11 hrs 33 mins
Moonrise: 3:01 AM
Moon Transit: 9:42 AM
Moonset: 4:18 PM
Moon Phase: Last Quarter
Moon Illumination: 19.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:12 AM - 11:42 AM

Minor Periods

3:48 PM - 5:18 PM
2:31 AM - 4:01 AM

Action Rating: 2 out of 5

Friday, October 17, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 79.7°F
Average Humidity: 74%
Chance of Rain: 87%
Wind: 23 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 6.17 μg/m3
PM10: 8.69 μg/m3
Carbon Monoxide: 120.62 μg/m3
Nitrogen Dioxide: 3 μg/m3
Sulphur Dioxide: 1.38 μg/m3
Ozone: 87.85 μg/m3

Astronomical

Sunrise: 7:21 AM
Sun Transit: 1:07 PM
Sunset: 6:53 PM
Daylight: 11 hrs 32 mins
Moonrise: 3:57 AM
Moon Transit: 10:26 AM
Moonset: 4:49 PM
Moon Phase: Waning Crescent
Moon Illumination: 11.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:56 AM - 12:26 AM

Minor Periods

4:19 PM - 5:49 PM
3:27 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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