Water Temperature of Little Blackwater Sound Near Key Largo, FL

Current Water Temperature

82.9°F

Measurement Time: Friday, September 25, 2026, 9:00 AM EDT

Temperature Locations

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Local Points of Interest

Everglades National Park; Long Sound; Florida Bay; Manatee Bay; Barnes Sound; Cross Key; Florida Keys National Marine Sactuary; Florida Keys; Gulf of Mexico; Overseas Hwy

Little Blackwater Sound

Station Name: Little Blackwater, 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: 25.214, -80.432

Nearby Water Temperatures

Manatee Bay, Homestead, FL (1.8 mi)
Long Sound, Key Largo, FL (2.1 mi)
West Highway Creek, Key Largo, FL (2.2 mi)
Barnes Sound, Key Largo, FL (5.6 mi)
Joe Bay, Key Largo, FL (5.9 mi)
Joe Bay, Key Largo, FL (6.8 mi)
Mud Creek, Homestead, FL (9.5 mi)
Florida Bay, Key Largo, FL (10.3 mi)
Little Madeira Bay, Homestead, FL (12.8 mi)
Taylor River, Homestead, FL (13 mi)
Taylor River, Homestead, FL (13.6 mi)
Taylor Slough, Homestead, FL (15.9 mi)
Seven Palm Lake, Flamingo, FL (18.4 mi)
Mowry Canal Number C-103, Homestead, FL (18.6 mi)
Florida Bay, Islamorada, FL (20.2 mi)

Weather Near Key Largo, Florida

Current Weather

78°F

Conditions: Mostly Sunny

Humidity: 82%

Wind: NW 5 mph

Dew Point: 72°F

Weather Forecast

Today
86°F - Mostly Sunny

Tonight
77°F - Chance Showers And Thunderstorms

Tuesday
86°F - Chance Showers And Thunderstorms

Tuesday Night
78°F - Chance Showers And Thunderstorms

Wednesday
85°F - Chance Showers And Thunderstorms then Showers And Thunderstorms Likely

Wednesday Night
79°F - Showers And Thunderstorms Likely

Thursday
86°F - Showers And Thunderstorms Likely

Thursday Night
80°F - Showers And Thunderstorms Likely then Chance Showers And Thunderstorms

Friday
88°F - Chance Showers And Thunderstorms then Showers And Thunderstorms Likely

Friday Night
80°F - Showers And Thunderstorms Likely then Chance Showers And Thunderstorms

Saturday
88°F - Chance Showers And Thunderstorms

Saturday Night
80°F - Chance Showers And Thunderstorms

Sunday
88°F - Chance Showers And Thunderstorms

Sunday Night
80°F - Chance Showers And Thunderstorms

Astronomical

Sunrise: 7:13 AM
Sun Transit: 1:12 PM
Sunset: 7:11 PM
Daylight: 11 hrs 59 mins

Moonrise: 8:23 PM
Moon Transit: 2:20 AM
Moonset: 9:03 AM
Moon Phase: Full
Moon Illumination: 92.4%

Best Times for Fishing or Hunting

Major Periods

1:50 AM - 4:20 AM
3:35 PM - 6:05 PM

Minor Periods

7:53 PM - 9:23 PM
8:33 AM - 10:03 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

Conditions:

High Temperature: °F

Low Temperature: °F

Average Temperature: °F

Average Humidity: %

Precipitation: in

Chance of Rain: %

Chance of Snow: %

Maximum Wind: mph

UV Index:

Air Quality

AQI: 0 -

PM2.5: 0 μg/m3

PM10: 0 μg/m3

Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:13 AM
Sun Transit: 1:12 PM
Sunset: 7:11 PM
Daylight: 11 hrs 59 mins

Moonrise: 8:23 PM
Moon Transit: 2:20 AM
Moonset: 9:03 AM
Moon Phase: Full
Moon Illumination: 92.4%

Best Times for Fishing or Hunting

Major Periods

1:50 AM - 4:20 AM
3:35 PM - 6:05 PM

Minor Periods

7:53 PM - 9:23 PM
8:33 AM - 10:03 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

Conditions:

High Temperature: °F

Low Temperature: °F

Average Temperature: °F

Average Humidity: %

Precipitation: in

Chance of Rain: %

Chance of Snow: %

Maximum Wind: mph

UV Index:

Air Quality

AQI: 0 -

PM2.5: 0 μg/m3

PM10: 0 μg/m3

Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:13 AM
Sun Transit: 1:12 PM
Sunset: 7:11 PM
Daylight: 11 hrs 59 mins

Moonrise: 8:23 PM
Moon Transit: 2:20 AM
Moonset: 9:03 AM
Moon Phase: Full
Moon Illumination: 92.4%

Best Times for Fishing or Hunting

Major Periods

1:50 AM - 4:20 AM
3:35 PM - 6:05 PM

Minor Periods

7:53 PM - 9:23 PM
8:33 AM - 10:03 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

Conditions:

High Temperature: °F

Low Temperature: °F

Average Temperature: °F

Average Humidity: %

Precipitation: in

Chance of Rain: %

Chance of Snow: %

Maximum Wind: mph

UV Index:

Air Quality

AQI: 0 -

PM2.5: 0 μg/m3

PM10: 0 μg/m3

Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:13 AM
Sun Transit: 1:11 PM
Sunset: 7:10 PM
Daylight: 11 hrs 57 mins

Moonrise: 9:07 PM
Moon Transit: 3:12 AM
Moonset: 10:08 AM
Moon Phase: Waning Gibbous
Moon Illumination: 85.4%

Best Times for Fishing or Hunting

Major Periods

2:42 AM - 5:12 AM
4:30 PM - 7:00 PM

Minor Periods

8:37 PM - 10:07 PM
9:38 AM - 11:08 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

Conditions:

High Temperature: °F

Low Temperature: °F

Average Temperature: °F

Average Humidity: %

Precipitation: in

Chance of Rain: %

Chance of Snow: %

Maximum Wind: mph

UV Index:

Air Quality

AQI: 0 -

PM2.5: 0 μg/m3

PM10: 0 μg/m3

Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:13 AM
Sun Transit: 1:11 PM
Sunset: 7:10 PM
Daylight: 11 hrs 57 mins

Moonrise: 9:07 PM
Moon Transit: 3:12 AM
Moonset: 10:08 AM
Moon Phase: Waning Gibbous
Moon Illumination: 85.4%

Best Times for Fishing or Hunting

Major Periods

2:42 AM - 5:12 AM
4:30 PM - 7:00 PM

Minor Periods

8:37 PM - 10:07 PM
9:38 AM - 11:08 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

Conditions:

High Temperature: °F

Low Temperature: °F

Average Temperature: °F

Average Humidity: %

Precipitation: in

Chance of Rain: %

Chance of Snow: %

Maximum Wind: mph

UV Index:

Air Quality

AQI: 0 -

PM2.5: 0 μg/m3

PM10: 0 μg/m3

Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:13 AM
Sun Transit: 1:11 PM
Sunset: 7:09 PM
Daylight: 11 hrs 56 mins

Moonrise: 9:58 PM
Moon Transit: 4:08 AM
Moonset: 11:15 AM
Moon Phase: Waning Gibbous
Moon Illumination: 76.5%

Best Times for Fishing or Hunting

Major Periods

3:38 AM - 6:08 AM
5:27 PM - 7:57 PM

Minor Periods

9:28 PM - 10:58 PM
10:45 AM - 12:15 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

Conditions:

High Temperature: °F

Low Temperature: °F

Average Temperature: °F

Average Humidity: %

Precipitation: in

Chance of Rain: %

Chance of Snow: %

Maximum Wind: mph

UV Index:

Air Quality

AQI: 0 -

PM2.5: 0 μg/m3

PM10: 0 μg/m3

Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:13 AM
Sun Transit: 1:11 PM
Sunset: 7:09 PM
Daylight: 11 hrs 56 mins

Moonrise: 9:58 PM
Moon Transit: 4:08 AM
Moonset: 11:15 AM
Moon Phase: Waning Gibbous
Moon Illumination: 76.5%

Best Times for Fishing or Hunting

Major Periods

3:38 AM - 6:08 AM
5:27 PM - 7:57 PM

Minor Periods

9:28 PM - 10:58 PM
10:45 AM - 12:15 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

Conditions:

High Temperature: °F

Low Temperature: °F

Average Temperature: °F

Average Humidity: %

Precipitation: in

Chance of Rain: %

Chance of Snow: %

Maximum Wind: mph

UV Index:

Air Quality

AQI: 0 -

PM2.5: 0 μg/m3

PM10: 0 μg/m3

Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:14 AM
Sun Transit: 1:11 PM
Sunset: 7:08 PM
Daylight: 11 hrs 55 mins

Moonrise: 10:56 PM
Moon Transit: 5:08 AM
Moonset: 12:22 AM
Moon Phase: Waning Gibbous
Moon Illumination: 66.3%

Best Times for Fishing or Hunting

Major Periods

4:38 AM - 7:08 AM
6:30 PM - 9:00 PM

Minor Periods

10:26 PM - 11:56 PM
11:52 AM - 1:22 PM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

Conditions:

High Temperature: °F

Low Temperature: °F

Average Temperature: °F

Average Humidity: %

Precipitation: in

Chance of Rain: %

Chance of Snow: %

Maximum Wind: mph

UV Index:

Air Quality

AQI: 0 -

PM2.5: 0 μg/m3

PM10: 0 μg/m3

Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:14 AM
Sun Transit: 1:11 PM
Sunset: 7:08 PM
Daylight: 11 hrs 55 mins

Moonrise: 10:56 PM
Moon Transit: 5:08 AM
Moonset: 12:22 AM
Moon Phase: Waning Gibbous
Moon Illumination: 66.3%

Best Times for Fishing or Hunting

Major Periods

4:38 AM - 7:08 AM
6:30 PM - 9:00 PM

Minor Periods

10:26 PM - 11:56 PM
11:52 AM - 1:22 PM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

Conditions:

High Temperature: °F

Low Temperature: °F

Average Temperature: °F

Average Humidity: %

Precipitation: in

Chance of Rain: %

Chance of Snow: %

Maximum Wind: mph

UV Index:

Air Quality

AQI: 0 -

PM2.5: 0 μg/m3

PM10: 0 μg/m3

Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:14 AM
Sun Transit: 1:11 PM
Sunset: 7:07 PM
Daylight: 11 hrs 53 mins

Moonrise: 11:59 PM
Moon Transit: 6:11 AM
Moonset: 1:26 PM
Moon Phase: Last Quarter
Moon Illumination: 55.3%

Best Times for Fishing or Hunting

Major Periods

5:41 AM - 8:11 AM
7:32 PM - 10:02 PM

Minor Periods

12:00 AM - 12:00 AM
12:56 AM - 2:26 PM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

Conditions:

High Temperature: °F

Low Temperature: °F

Average Temperature: °F

Average Humidity: %

Precipitation: in

Chance of Rain: %

Chance of Snow: %

Maximum Wind: mph

UV Index:

Air Quality

AQI: 0 -

PM2.5: 0 μg/m3

PM10: 0 μg/m3

Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:14 AM
Sun Transit: 1:11 PM
Sunset: 7:07 PM
Daylight: 11 hrs 53 mins

Moonrise: 11:59 PM
Moon Transit: 6:11 AM
Moonset: 1:26 PM
Moon Phase: Last Quarter
Moon Illumination: 55.3%

Best Times for Fishing or Hunting

Major Periods

5:41 AM - 8:11 AM
7:32 PM - 10:02 PM

Minor Periods

12:00 AM - 12:00 AM
12:56 AM - 2:26 PM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

Conditions:

High Temperature: °F

Low Temperature: °F

Average Temperature: °F

Average Humidity: %

Precipitation: in

Chance of Rain: %

Chance of Snow: %

Maximum Wind: mph

UV Index:

Air Quality

AQI: 0 -

PM2.5: 0 μg/m3

PM10: 0 μg/m3

Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:15 AM
Sun Transit: 1:10 PM
Sunset: 7:06 PM
Daylight: 11 hrs 52 mins

Moonrise: 12:59 AM
Moon Transit: 7:13 AM
Moonset: 2:25 PM
Moon Phase: Last Quarter
Moon Illumination: 43.9%

Best Times for Fishing or Hunting

Major Periods

6:43 AM - 9:13 AM
8:33 PM - 11:03 PM

Minor Periods

1:55 PM - 3:25 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

Conditions:

High Temperature: °F

Low Temperature: °F

Average Temperature: °F

Average Humidity: %

Precipitation: in

Chance of Rain: %

Chance of Snow: %

Maximum Wind: mph

UV Index:

Air Quality

AQI: 0 -

PM2.5: 0 μg/m3

PM10: 0 μg/m3

Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:15 AM
Sun Transit: 1:10 PM
Sunset: 7:06 PM
Daylight: 11 hrs 52 mins

Moonrise: 12:59 AM
Moon Transit: 7:13 AM
Moonset: 2:25 PM
Moon Phase: Last Quarter
Moon Illumination: 43.9%

Best Times for Fishing or Hunting

Major Periods

6:43 AM - 9:13 AM
8:33 PM - 11:03 PM

Minor Periods

1:55 PM - 3:25 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

Conditions:

High Temperature: °F

Low Temperature: °F

Average Temperature: °F

Average Humidity: %

Precipitation: in

Chance of Rain: %

Chance of Snow: %

Maximum Wind: mph

UV Index:

Air Quality

AQI: 0 -

PM2.5: 0 μg/m3

PM10: 0 μg/m3

Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:15 AM
Sun Transit: 1:10 PM
Sunset: 7:05 PM
Daylight: 11 hrs 50 mins

Moonrise: 1:06 AM
Moon Transit: 8:13 AM
Moonset: 3:16 PM
Moon Phase: Last Quarter
Moon Illumination: 32.9%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

2:46 PM - 4:16 PM
12:36 AM - 2:06 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

Conditions:

High Temperature: °F

Low Temperature: °F

Average Temperature: °F

Average Humidity: %

Precipitation: in

Chance of Rain: %

Chance of Snow: %

Maximum Wind: mph

UV Index:

Air Quality

AQI: 0 -

PM2.5: 0 μg/m3

PM10: 0 μg/m3

Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:15 AM
Sun Transit: 1:10 PM
Sunset: 7:05 PM
Daylight: 11 hrs 50 mins

Moonrise: 1:06 AM
Moon Transit: 8:13 AM
Moonset: 3:16 PM
Moon Phase: Last Quarter
Moon Illumination: 32.9%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

2:46 PM - 4:16 PM
12:36 AM - 2:06 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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