Water Temperature of Long Sound Near Key Largo, FL

Current Water Temperature

63.0°F

Measurement Time: Friday, January 30, 2026, 2:00 PM EST

Temperature Locations

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Local Points of Interest

Little Blackwater Sound; Florida Bay; Barnes Sound; Florida Keys National Marine Sactuary; Everglades National Park; Florida Keys; Gulf of Mexico

Long Sound

Station Name: Long Sound, 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: 25.235, -80.457

Nearby Water Temperatures

West Highway Creek, Key Largo, FL (0.8 mi)
Little Blackwater Sound, Key Largo, FL (2.1 mi)
Manatee Bay, Homestead, FL (2.2 mi)
Joe Bay, Key Largo, FL (4.2 mi)
Joe Bay, Key Largo, FL (5.3 mi)
Barnes Sound, Key Largo, FL (5.3 mi)
Mud Creek, Homestead, FL (8.2 mi)
Florida Bay, Key Largo, FL (10.9 mi)
Little Madeira Bay, Homestead, FL (11.7 mi)
Taylor River, Homestead, FL (11.8 mi)
Taylor River, Homestead, FL (12.1 mi)
Taylor Slough, Homestead, FL (14.2 mi)
Seven Palm Lake, Flamingo, FL (17.1 mi)
Mowry Canal Number C-103, Homestead, FL (17.7 mi)
Florida Bay, Islamorada, FL (20.1 mi)

Weather Near Key Largo, Florida

Current Weather

66.6°F

Conditions: Partly cloudy

Feels Like: 66.6°F

Heat Index: 63.3°F

Humidity: 77%

Wind: NNW 11.4 mph

Wind Gusts: 18.8 mph

Wind Chill: 63.3°F

Dew Point: 61°F

Precipitation: 0 in

Cloud Cover: 75%

Visibility: 9 mi

Air Pressure: 1016 mbar

UV Index: 0

Five Day Weather Forecast

Fri
H: 64°F
L: 59°F

Sat
H: 60°F
L: 55°F

Sun
H: 54°F
L: 41°F

Mon
H: 60°F
L: 42°F

Tue
H: 63°F
L: 54°F

Air Quality

AQI: 1 - Good

PM2.5: 19.25 μg/m3

PM10: 22.05 μg/m3

Carbon Monoxide: 207.85 μg/m3
Nitrogen Dioxide: 15.75 μg/m3
Sulphur Dioxide: 4.55 μg/m3
Ozone: 71 μg/m3

Astronomical

Sunrise: 7:05 AM
Sun Transit: 12:35 AM
Sunset: 6:05 PM
Daylight: 11 hrs mins

Moonrise: 3:47 PM
Moon Transit: 11:00 PM
Moonset: 5:12 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 93.4%

Best Times for Fishing or Hunting

Major Periods

11:18 AM - 1:48 PM
12:00 AM - 12:00 AM

Minor Periods

3:17 PM - 4:47 PM
4:42 AM - 6:12 AM

Action Rating: 2 out of 5

Cold Weather Advisory issued January 30 at 12:45PM EST until February 1 at 10:00AM EST by NWS Miami FL

Effective: Fri January 30, 2026, 12:45 PM
Expires: Sat January 31, 2026, 7:00 AM

* WHAT...Very cold wind chills as low as the low to mid 20s expected. * WHERE...Coastal Broward County, Coastal Miami Dade County, Far South Miami-Dade County, Metro Broward County, Metropolitan Miami Dade, Coastal Collier County, and Mainland Monroe Counties. * WHEN...From 10 PM Saturday to 10 AM EST Sunday. * IMPACTS...Wind chill values can lead to hypothermia with prolonged exposure. Very cold temperatures can lead to hypothermia with prolonged exposure.

Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. Keep pets indoors as much as possible. Make sure outdoor animals have a warm, dry shelter, food, and unfrozen water. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside. If you do not have heat in your home or lack shelter, you can call 211 for metro Collier County and 311 for metro Miami-Dade/Broward County.

Freeze Watch issued January 30 at 6:38AM EST until February 1 at 10:00AM EST by NWS Miami FL

Effective: Fri January 30, 2026, 6:38 AM
Expires: Fri January 30, 2026, 2:45 PM

* WHAT...Sub-freezing temperatures as low as 22 possible. * WHERE...Inland Broward County, Inland Miami-Dade County, and Inland Collier County Counties. * WHEN...From Saturday evening through Sunday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

Take steps now to protect tender plants from the cold.

Freeze Warning issued January 30 at 12:45PM EST until February 1 at 10:00AM EST by NWS Miami FL

Effective: Fri January 30, 2026, 12:45 PM
Expires: Sat January 31, 2026, 7:00 AM

* WHAT...Sub-freezing temperatures as low as the upper 20s to lower 30s expected. * WHERE...Inland Broward County, Inland Miami-Dade County, and Inland Collier County Counties. * WHEN...From 10 PM Saturday to 10 AM EST Sunday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

Take steps now to protect tender plants from the cold. To prevent water pipes from freezing; wrap or drain or allow them to drip slowly.

Friday, January 30, 2026

Weather Forecast

Conditions: Patchy rain nearby

High Temperature: 63.9°F

Low Temperature: 59.4°F

Average Temperature: 60.9°F

Average Humidity: 89%

Precipitation: 0.07 in

Chance of Rain: 89%

Chance of Snow: 0%

Maximum Wind: 14.3 mph

UV Index: 0.5

Air Quality

AQI: 1 - Good

PM2.5: 10.03 μg/m3

PM10: 12.88 μg/m3

Carbon Monoxide: 155.33 μg/m3
Nitrogen Dioxide: 8.53 μg/m3
Sulphur Dioxide: 2.76 μg/m3
Ozone: 92.24 μg/m3

Astronomical

Sunrise: 7:05 AM
Sun Transit: 12:35 AM
Sunset: 6:05 PM
Daylight: 11 hrs mins

Moonrise: 3:47 PM
Moon Transit: 11:00 PM
Moonset: 5:12 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 93.4%

Best Times for Fishing or Hunting

Major Periods

11:18 AM - 1:48 PM
12:00 AM - 12:00 AM

Minor Periods

3:17 PM - 4:47 PM
4:42 AM - 6:12 AM

Action Rating: 2 out of 5

Saturday, January 31, 2026

Weather Forecast

Conditions: Partly Cloudy

High Temperature: 59.9°F

Low Temperature: 54.9°F

Average Temperature: 59°F

Average Humidity: 90%

Precipitation: 0 in

Chance of Rain: 0%

Chance of Snow: 0%

Maximum Wind: 34 mph

UV Index: 0.7

Air Quality

AQI: 1 - Good

PM2.5: 11.63 μg/m3

PM10: 14 μg/m3

Carbon Monoxide: 171.41 μg/m3
Nitrogen Dioxide: 6.25 μg/m3
Sulphur Dioxide: 2.42 μg/m3
Ozone: 92.36 μg/m3

Astronomical

Sunrise: 7:05 AM
Sun Transit: 12:35 AM
Sunset: 6:06 PM
Daylight: 11 hrs 1 mins

Moonrise: 4:56 PM
Moon Transit: 12:00 PM
Moonset: 6:09 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.9%

Best Times for Fishing or Hunting

Major Periods

12:20 AM - 2:50 PM
12:00 AM - 12:00 AM

Minor Periods

4:26 PM - 5:56 PM
5:39 AM - 7:09 AM

Action Rating: 4 out of 5

Sunday, February 1, 2026

Weather Forecast

Conditions: Sunny

High Temperature: 54°F

Low Temperature: 40.8°F

Average Temperature: 48.3°F

Average Humidity: 66%

Precipitation: 0 in

Chance of Rain: 0%

Chance of Snow: 0%

Maximum Wind: 32.2 mph

UV Index: 1.4

Air Quality

AQI: 1 - Good

PM2.5: 3.44 μg/m3

PM10: 4.21 μg/m3

Carbon Monoxide: 153.65 μg/m3
Nitrogen Dioxide: 2.3 μg/m3
Sulphur Dioxide: 2.03 μg/m3
Ozone: 89.2 μg/m3

Astronomical

Sunrise: 7:05 AM
Sun Transit: 12:35 AM
Sunset: 6:07 PM
Daylight: 11 hrs 2 mins

Moonrise: 6:04 PM
Moon Transit: 12:00 AM
Moonset: 6:57 AM
Moon Phase: Full
Moon Illumination: 99.9%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

5:34 PM - 7:04 PM
6:27 AM - 7:57 AM

Action Rating: 3 out of 5

Monday, February 2, 2026

Weather Forecast

Conditions: Sunny

High Temperature: 59.5°F

Low Temperature: 41.7°F

Average Temperature: 49.9°F

Average Humidity: 55%

Precipitation: 0 in

Chance of Rain: 0%

Chance of Snow: 0%

Maximum Wind: 20.4 mph

UV Index: 1.3

Air Quality

AQI: 1 - Good

PM2.5: 4.39 μg/m3

PM10: 5.3 μg/m3

Carbon Monoxide: 150.9 μg/m3
Nitrogen Dioxide: 3.23 μg/m3
Sulphur Dioxide: 1.9 μg/m3
Ozone: 90.08 μg/m3

Astronomical

Sunrise: 7:04 AM
Sun Transit: 12:35 AM
Sunset: 6:07 PM
Daylight: 11 hrs 3 mins

Moonrise: 7:07 PM
Moon Transit: 12:54 AM
Moonset: 7:39 AM
Moon Phase: Full
Moon Illumination: 99.4%

Best Times for Fishing or Hunting

Major Periods

12:24 AM - 2:54 AM
2:09 PM - 4:39 PM

Minor Periods

6:37 PM - 8:07 PM
7:09 AM - 8:39 AM

Action Rating: 5 out of 5

Tuesday, February 3, 2026

Weather Forecast

Conditions: Partly Cloudy

High Temperature: 62.5°F

Low Temperature: 53.6°F

Average Temperature: 58.8°F

Average Humidity: 58%

Precipitation: 0 in

Chance of Rain: 0%

Chance of Snow: 0%

Maximum Wind: 15.7 mph

UV Index: 1.3

Air Quality

AQI: 1 - Good

PM2.5: 7.47 μg/m3

PM10: 8 μg/m3

Carbon Monoxide: 194.25 μg/m3
Nitrogen Dioxide: 5.5 μg/m3
Sulphur Dioxide: 2.61 μg/m3
Ozone: 89.77 μg/m3

Astronomical

Sunrise: 7:04 AM
Sun Transit: 12:35 AM
Sunset: 6:08 PM
Daylight: 11 hrs 4 mins

Moonrise: 8:07 PM
Moon Transit: 1:44 AM
Moonset: 8:15 AM
Moon Phase: Full
Moon Illumination: 96.3%

Best Times for Fishing or Hunting

Major Periods

1:14 AM - 3:44 AM
2:56 PM - 5:26 PM

Minor Periods

7:37 PM - 9:07 PM
7:45 AM - 9:15 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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Water Temperature of Long Sound Near Key Largo, FL

Current Water Temperature

Temperature Locations

Local Points of Interest

Nearby Water Temperatures

Weather Near Key Largo, Florida

Current Weather

Five Day Weather Forecast

Air Quality

Astronomical

Best Times for Fishing or Hunting

Major Periods

Minor Periods

Cold Weather Advisory issued January 30 at 12:45PM EST until February 1 at 10:00AM EST by NWS Miami FL

Freeze Watch issued January 30 at 6:38AM EST until February 1 at 10:00AM EST by NWS Miami FL

Freeze Warning issued January 30 at 12:45PM EST until February 1 at 10:00AM EST by NWS Miami FL

Weather Forecast

Air Quality

Astronomical

Best Times for Fishing or Hunting

Major Periods

Minor Periods

Weather Forecast

Air Quality

Astronomical

Best Times for Fishing or Hunting

Major Periods

Minor Periods

Weather Forecast

Air Quality

Astronomical

Best Times for Fishing or Hunting

Major Periods

Minor Periods

Weather Forecast

Air Quality

Astronomical

Best Times for Fishing or Hunting

Major Periods

Minor Periods

Weather Forecast

Air Quality

Astronomical

Best Times for Fishing or Hunting

Major Periods

Minor Periods

Webcams Near Key Largo, FL

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