Water Temperature of Little Blackwater Sound Near Key Largo, FL

Current Water Temperature

87.6°F

Measurement Time: Wednesday, September 9, 2026, 10:00 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

89°F
Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
70%
E 10 mph
78°F

Weather Forecast

Chance Showers And Thunderstorms
This Afternoon
90°F - Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Tonight
83°F - Chance Showers And Thunderstorms
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
Thursday
90°F - Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
Showers And Thunderstorms Likely
Thursday Night
83°F - Showers And Thunderstorms Likely
Showers And Thunderstorms Likely
Friday
90°F - Showers And Thunderstorms Likely
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
Friday Night
83°F - Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
Saturday
90°F - Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
Saturday Night
83°F - Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Sunday
89°F - Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Sunday Night
83°F - Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Monday
89°F - Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Monday Night
82°F - Chance Showers And Thunderstorms
Showers And Thunderstorms Likely
Tuesday
89°F - Showers And Thunderstorms Likely
Showers And Thunderstorms Likely
Tuesday Night
83°F - Showers And Thunderstorms Likely

Astronomical

Sunrise: 7:05 AM
Sun Transit: 1:19 PM
Sunset: 7:32 PM
Daylight: 12 hrs 26 mins
Moonrise: 5:27 AM
Moon Transit: 12:07 AM
Moonset: 6:41 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.9%

Best Times for Fishing or Hunting

Major Periods

12:31 AM - 3:01 AM
11:37 AM - 2:07 PM

Minor Periods

6:11 PM - 7:41 PM
4:57 AM - 6:27 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 7:05 AM
Sun Transit: 1:19 PM
Sunset: 7:32 PM
Daylight: 12 hrs 26 mins
Moonrise: 5:27 AM
Moon Transit: 12:07 AM
Moonset: 6:41 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.9%

Best Times for Fishing or Hunting

Major Periods

12:31 AM - 3:01 AM
11:37 AM - 2:07 PM

Minor Periods

6:11 PM - 7:41 PM
4:57 AM - 6:27 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 7:05 AM
Sun Transit: 1:19 PM
Sunset: 7:32 PM
Daylight: 12 hrs 26 mins
Moonrise: 5:27 AM
Moon Transit: 12:07 AM
Moonset: 6:41 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.9%

Best Times for Fishing or Hunting

Major Periods

12:31 AM - 3:01 AM
11:37 AM - 2:07 PM

Minor Periods

6:11 PM - 7:41 PM
4:57 AM - 6:27 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 7:06 AM
Sun Transit: 1:18 PM
Sunset: 7:31 PM
Daylight: 12 hrs 25 mins
Moonrise: 6:30 AM
Moon Transit: 12:56 AM
Moonset: 7:15 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

1:21 AM - 3:51 AM
12:26 AM - 2:56 PM

Minor Periods

6:45 PM - 8:15 PM
6:00 AM - 7:30 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 7:06 AM
Sun Transit: 1:18 PM
Sunset: 7:31 PM
Daylight: 12 hrs 25 mins
Moonrise: 6:30 AM
Moon Transit: 12:56 AM
Moonset: 7:15 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

1:21 AM - 3:51 AM
12:26 AM - 2:56 PM

Minor Periods

6:45 PM - 8:15 PM
6:00 AM - 7:30 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 7:06 AM
Sun Transit: 1:18 PM
Sunset: 7:30 PM
Daylight: 12 hrs 24 mins
Moonrise: 7:30 AM
Moon Transit: 1:42 PM
Moonset: 7:48 PM
Moon Phase: New
Moon Illumination: 1.7%

Best Times for Fishing or Hunting

Major Periods

2:08 AM - 4:38 AM
1:12 PM - 3:42 PM

Minor Periods

7:18 PM - 8:48 PM
7:00 AM - 8:30 AM

Action Rating: 5 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 7:06 AM
Sun Transit: 1:18 PM
Sunset: 7:30 PM
Daylight: 12 hrs 24 mins
Moonrise: 7:30 AM
Moon Transit: 1:42 PM
Moonset: 7:48 PM
Moon Phase: New
Moon Illumination: 1.7%

Best Times for Fishing or Hunting

Major Periods

2:08 AM - 4:38 AM
1:12 PM - 3:42 PM

Minor Periods

7:18 PM - 8:48 PM
7:00 AM - 8:30 AM

Action Rating: 5 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 7:07 AM
Sun Transit: 1:17 PM
Sunset: 7:29 PM
Daylight: 12 hrs 22 mins
Moonrise: 8:28 AM
Moon Transit: 2:27 PM
Moonset: 8:21 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

2:53 AM - 5:23 AM
1:57 PM - 4:27 PM

Minor Periods

7:51 PM - 9:21 PM
7:58 AM - 9:28 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 7:07 AM
Sun Transit: 1:17 PM
Sunset: 7:29 PM
Daylight: 12 hrs 22 mins
Moonrise: 8:28 AM
Moon Transit: 2:27 PM
Moonset: 8:21 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

2:53 AM - 5:23 AM
1:57 PM - 4:27 PM

Minor Periods

7:51 PM - 9:21 PM
7:58 AM - 9:28 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 7:07 AM
Sun Transit: 1:17 PM
Sunset: 7:28 PM
Daylight: 12 hrs 21 mins
Moonrise: 9:25 AM
Moon Transit: 3:12 PM
Moonset: 8:54 PM
Moon Phase: New
Moon Illumination: 2.2%

Best Times for Fishing or Hunting

Major Periods

3:38 AM - 6:08 AM
2:42 PM - 5:12 PM

Minor Periods

8:24 PM - 9:54 PM
8:55 AM - 10:25 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 7:07 AM
Sun Transit: 1:17 PM
Sunset: 7:28 PM
Daylight: 12 hrs 21 mins
Moonrise: 9:25 AM
Moon Transit: 3:12 PM
Moonset: 8:54 PM
Moon Phase: New
Moon Illumination: 2.2%

Best Times for Fishing or Hunting

Major Periods

3:38 AM - 6:08 AM
2:42 PM - 5:12 PM

Minor Periods

8:24 PM - 9:54 PM
8:55 AM - 10:25 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 7:07 AM
Sun Transit: 1:17 PM
Sunset: 7:26 PM
Daylight: 12 hrs 19 mins
Moonrise: 10:22 AM
Moon Transit: 3:58 PM
Moonset: 9:30 PM
Moon Phase: Waxing Crescent
Moon Illumination: 6.7%

Best Times for Fishing or Hunting

Major Periods

4:24 AM - 6:54 AM
3:28 PM - 5:58 PM

Minor Periods

9:00 PM - 10:30 PM
9:52 AM - 11:22 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 7:07 AM
Sun Transit: 1:17 PM
Sunset: 7:26 PM
Daylight: 12 hrs 19 mins
Moonrise: 10:22 AM
Moon Transit: 3:58 PM
Moonset: 9:30 PM
Moon Phase: Waxing Crescent
Moon Illumination: 6.7%

Best Times for Fishing or Hunting

Major Periods

4:24 AM - 6:54 AM
3:28 PM - 5:58 PM

Minor Periods

9:00 PM - 10:30 PM
9:52 AM - 11:22 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 7:08 AM
Sun Transit: 1:16 PM
Sunset: 7:25 PM
Daylight: 12 hrs 18 mins
Moonrise: 11:19 AM
Moon Transit: 4:45 PM
Moonset: 10:09 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.4%

Best Times for Fishing or Hunting

Major Periods

5:11 AM - 7:41 AM
4:15 PM - 6:45 PM

Minor Periods

9:39 PM - 11:09 PM
10:49 AM - 12:19 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 7:08 AM
Sun Transit: 1:16 PM
Sunset: 7:25 PM
Daylight: 12 hrs 18 mins
Moonrise: 11:19 AM
Moon Transit: 4:45 PM
Moonset: 10:09 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.4%

Best Times for Fishing or Hunting

Major Periods

5:11 AM - 7:41 AM
4:15 PM - 6:45 PM

Minor Periods

9:39 PM - 11:09 PM
10:49 AM - 12:19 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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