Water Temperature of Long Sound Near Key Largo, FL

Current Water Temperature

85.6°F

Measurement Time: Saturday, May 30, 2026, 6:00 AM EDT

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

82.1°F
Patchy rain nearby
Patchy rain nearby
90.3°F
90.3°F
81%
WSW 8.7 mph
11.9 mph
82.1°F
76.5°F
0 in
78%
6 mi
1015 mbar
4.5

Five Day Weather Forecast

Moderate rain
Sat
H: 85°F
L: 79°F
Patchy rain nearby
Sun
H: 85°F
L: 82°F
Patchy rain nearby
Mon
H: 84°F
L: 83°F
Patchy rain nearby
Tue
H: 84°F
L: 82°F
Patchy rain nearby
Wed
H: 85°F
L: 81°F

Air Quality

AQI: 1 - Good
PM2.5: 5.75 μg/m3
PM10: 8.25 μg/m3
Carbon Monoxide: 120.85 μg/m3
Nitrogen Dioxide: 1.55 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 65 μg/m3

Astronomical

Sunrise: 6:32 AM
Sun Transit: 1:19 PM
Sunset: 8:07 PM
Daylight: 13 hrs 35 mins
Moonrise: 7:52 PM
Moon Transit: 12:19 AM
Moonset: 5:39 AM
Moon Phase: Full
Moon Illumination: 99.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:33 PM - 4:03 PM

Minor Periods

7:22 PM - 8:52 PM
5:09 AM - 6:39 AM

Action Rating: 4 out of 5

Saturday, May 30, 2026

Weather Forecast

Moderate rain
84.9°F
78.6°F
82.5°F
80%
0.66 in
85%
0%
9.4 mph
10


Air Quality

AQI: 1 - Good
PM2.5: 6.52 μg/m3
PM10: 9.46 μg/m3
Carbon Monoxide: 124.77 μg/m3
Nitrogen Dioxide: 1.77 μg/m3
Sulphur Dioxide: 1.47 μg/m3
Ozone: 69.5 μg/m3

Astronomical

Sunrise: 6:32 AM
Sun Transit: 1:19 PM
Sunset: 8:07 PM
Daylight: 13 hrs 35 mins
Moonrise: 7:52 PM
Moon Transit: 12:19 AM
Moonset: 5:39 AM
Moon Phase: Full
Moon Illumination: 99.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:33 PM - 4:03 PM

Minor Periods

7:22 PM - 8:52 PM
5:09 AM - 6:39 AM

Action Rating: 4 out of 5

Sunday, May 31, 2026

Weather Forecast

Patchy rain nearby
84.8°F
81.8°F
83.7°F
69%
0.06 in
83%
0%
9.2 mph
9.7


Air Quality

AQI: 1 - Good
PM2.5: 8.6 μg/m3
PM10: 12.5 μg/m3
Carbon Monoxide: 116.11 μg/m3
Nitrogen Dioxide: 2.4 μg/m3
Sulphur Dioxide: 1.65 μg/m3
Ozone: 59.58 μg/m3

Astronomical

Sunrise: 6:32 AM
Sun Transit: 1:19 PM
Sunset: 8:08 PM
Daylight: 13 hrs 36 mins
Moonrise: 8:47 PM
Moon Transit: 1:08 AM
Moonset: 6:24 AM
Moon Phase: Full
Moon Illumination: 99.6%

Best Times for Fishing or Hunting

Major Periods

12:38 AM - 3:08 AM
2:23 PM - 4:53 PM

Minor Periods

8:17 PM - 9:47 PM
5:54 AM - 7:24 AM

Action Rating: 4 out of 5

Monday, June 1, 2026

Weather Forecast

Patchy rain nearby
84.4°F
82.6°F
83.5°F
69%
0.02 in
78%
0%
18.8 mph
11.8


Air Quality

AQI: 1 - Good
PM2.5: 9.45 μg/m3
PM10: 15.23 μg/m3
Carbon Monoxide: 118.62 μg/m3
Nitrogen Dioxide: 1.53 μg/m3
Sulphur Dioxide: 0.93 μg/m3
Ozone: 73 μg/m3

Astronomical

Sunrise: 6:32 AM
Sun Transit: 1:19 PM
Sunset: 8:08 PM
Daylight: 13 hrs 36 mins
Moonrise: 9:39 PM
Moon Transit: 2:00 AM
Moonset: 7:12 AM
Moon Phase: Full
Moon Illumination: 96.8%

Best Times for Fishing or Hunting

Major Periods

1:30 AM - 4:00 AM
3:14 PM - 5:44 PM

Minor Periods

9:09 PM - 10:39 PM
6:42 AM - 8:12 AM

Action Rating: 4 out of 5

Tuesday, June 2, 2026

Weather Forecast

Patchy rain nearby
83.7°F
81.9°F
83°F
72%
0.13 in
81%
0%
20.8 mph
10.9


Air Quality

AQI: 1 - Good
PM2.5: 13.2 μg/m3
PM10: 24.02 μg/m3
Carbon Monoxide: 120.23 μg/m3
Nitrogen Dioxide: 1.4 μg/m3
Sulphur Dioxide: 0.65 μg/m3
Ozone: 56.13 μg/m3

Astronomical

Sunrise: 6:32 AM
Sun Transit: 1:19 PM
Sunset: 8:09 PM
Daylight: 13 hrs 37 mins
Moonrise: 10:27 PM
Moon Transit: 2:51 AM
Moonset: 8:04 AM
Moon Phase: Full
Moon Illumination: 91.7%

Best Times for Fishing or Hunting

Major Periods

2:21 AM - 4:51 AM
4:05 PM - 6:35 PM

Minor Periods

9:57 PM - 11:27 PM
7:34 AM - 9:04 AM

Action Rating: 3 out of 5

Wednesday, June 3, 2026

Weather Forecast

Patchy rain nearby
84.7°F
81.3°F
83.1°F
69%
0.09 in
88%
0%
12.8 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 12.64 μg/m3
PM10: 22.14 μg/m3
Carbon Monoxide: 117.33 μg/m3
Nitrogen Dioxide: 2.22 μg/m3
Sulphur Dioxide: 0.52 μg/m3
Ozone: 44 μg/m3

Astronomical

Sunrise: 6:32 AM
Sun Transit: 1:20 PM
Sunset: 8:09 PM
Daylight: 13 hrs 38 mins
Moonrise: 11:10 PM
Moon Transit: 3:41 AM
Moonset: 8:59 AM
Moon Phase: Waning Gibbous
Moon Illumination: 84.4%

Best Times for Fishing or Hunting

Major Periods

3:11 AM - 5:41 AM
4:55 PM - 7:25 PM

Minor Periods

12:00 AM - 12:00 AM
8:29 AM - 9:59 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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