Water Temperature of the Atlantic Ocean in Key West, FL

Current Water Temperature

88.9°F

Measurement Time: Monday, June 1, 2026, 3:00 PM EDT

Temperature Locations

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Local Points of Interest

Satan Shoal; Florida Keys National Marine Sactuary; Key West National Wildlife Refuge; Florida Keys

Atlantic Ocean

Station Name: Satan Shoal, FL (244)
Station Type: Buoy
Data Source: National Data Buoy Center

Elevation Above Sea Level: 0 feet

Nearest Address:
Satan Shoal
Key West, FL 33040
Monroe County

GPS Coordinates: 24.407, -81.967

Nearby Water Temperatures

Gulf of Mexico, Key West, FL (14.1 mi)
Gulf of Mexico, Marathon, FL (58 mi)
East Side Creek, Flamingo, FL (75.8 mi)
Joe Kemp Channel, Flamingo, FL (80.4 mi)
Florida Bay, Islamorada, FL (81.9 mi)
Florida Bay, Islamorada, FL (84.3 mi)
Shark River, Flamingo, FL (84.9 mi)
Whitewater Bay, Flamingo, FL (86.1 mi)
Gulf of Mexico, Flamingo, FL (86.4 mi)
Whipray Basin, Islamorada, FL (89.9 mi)
Harney River, Flamingo, FL (90.4 mi)
Florida Bay, Islamorada, FL (91.4 mi)
Seven Palm Lake, Flamingo, FL (94.3 mi)
Broad River, Flamingo, FL (96.1 mi)
Little Madeira Bay, Homestead, FL (99.1 mi)

Weather for Key West, Florida

Current Weather

84.9°F
Sunny
Sunny
94.1°F
94.6°F
75%
NNW 6.3 mph
10.7 mph
84.9°F
76.5°F
0 in
1%
6 mi
1014 mbar
1.3

Five Day Weather Forecast

Patchy rain nearby
Mon
H: 86°F
L: 82°F
Patchy rain nearby
Tue
H: 85°F
L: 82°F
Moderate rain
Wed
H: 83°F
L: 78°F
Moderate rain
Thu
H: 81°F
L: 78°F
Moderate rain
Fri
H: 81°F
L: 79°F

Air Quality

AQI: 1 - Good
PM2.5: 14.8 μg/m3
PM10: 20.9 μg/m3
Carbon Monoxide: 113 μg/m3
Nitrogen Dioxide: 0.5 μg/m3
Sulphur Dioxide: 0.9 μg/m3
Ozone: 77 μg/m3

Astronomical

Sunrise: 6:40 AM
Sun Transit: 1:25 PM
Sunset: 8:13 PM
Daylight: 13 hrs 33 mins
Moonrise: 9:43 PM
Moon Transit: 2:05 AM
Moonset: 7:20 AM
Moon Phase: Full
Moon Illumination: 96.8%

Best Times for Fishing or Hunting

Major Periods

1:35 AM - 4:05 AM
3:08 PM - 5:38 PM

Minor Periods

9:13 PM - 10:43 PM
6:50 AM - 8:20 AM

Action Rating: 4 out of 5

Monday, June 1, 2026

Weather Forecast

Patchy rain nearby
85.6°F
81.9°F
83.7°F
80%
0.03 in
73%
0%
10.1 mph
9.6


Air Quality

AQI: 2 - Moderate
PM2.5: 16.21 μg/m3
PM10: 22.91 μg/m3
Carbon Monoxide: 113.79 μg/m3
Nitrogen Dioxide: 0.99 μg/m3
Sulphur Dioxide: 1 μg/m3
Ozone: 78.54 μg/m3

Astronomical

Sunrise: 6:40 AM
Sun Transit: 1:25 PM
Sunset: 8:13 PM
Daylight: 13 hrs 33 mins
Moonrise: 9:43 PM
Moon Transit: 2:05 AM
Moonset: 7:20 AM
Moon Phase: Full
Moon Illumination: 96.8%

Best Times for Fishing or Hunting

Major Periods

1:35 AM - 4:05 AM
3:08 PM - 5:38 PM

Minor Periods

9:13 PM - 10:43 PM
6:50 AM - 8:20 AM

Action Rating: 4 out of 5

Tuesday, June 2, 2026

Weather Forecast

Patchy rain nearby
84.9°F
82.2°F
83.7°F
69%
0.1 in
73%
0%
15.2 mph
10.7


Air Quality

AQI: 1 - Good
PM2.5: 10.34 μg/m3
PM10: 15.1 μg/m3
Carbon Monoxide: 111.08 μg/m3
Nitrogen Dioxide: 0.97 μg/m3
Sulphur Dioxide: 0.73 μg/m3
Ozone: 64.92 μg/m3

Astronomical

Sunrise: 6:39 AM
Sun Transit: 1:25 PM
Sunset: 8:13 PM
Daylight: 13 hrs 34 mins
Moonrise: 10:31 PM
Moon Transit: 2:57 AM
Moonset: 8:13 AM
Moon Phase: Full
Moon Illumination: 91.7%

Best Times for Fishing or Hunting

Major Periods

2:27 AM - 4:57 AM
3:59 PM - 6:29 PM

Minor Periods

10:01 PM - 11:31 PM
7:43 AM - 9:13 AM

Action Rating: 3 out of 5

Wednesday, June 3, 2026

Weather Forecast

Moderate rain
82.8°F
77.8°F
81.7°F
71%
0.36 in
76%
0%
16.6 mph
8.6


Air Quality

AQI: 1 - Good
PM2.5: 7.47 μg/m3
PM10: 11.06 μg/m3
Carbon Monoxide: 109.88 μg/m3
Nitrogen Dioxide: 0.83 μg/m3
Sulphur Dioxide: 0.46 μg/m3
Ozone: 53.5 μg/m3

Astronomical

Sunrise: 6:39 AM
Sun Transit: 1:26 PM
Sunset: 8:14 PM
Daylight: 13 hrs 34 mins
Moonrise: 11:14 PM
Moon Transit: 3:48 AM
Moonset: 9:07 AM
Moon Phase: Waning Gibbous
Moon Illumination: 84.4%

Best Times for Fishing or Hunting

Major Periods

3:18 AM - 5:48 AM
4:49 PM - 7:19 PM

Minor Periods

12:00 AM - 12:00 AM
8:37 AM - 10:07 AM

Action Rating: 2 out of 5

Thursday, June 4, 2026

Weather Forecast

Moderate rain
81.4°F
77.6°F
79.6°F
72%
0.37 in
78%
0%
13.9 mph
7.7


Air Quality

AQI: 1 - Good
PM2.5: 6.74 μg/m3
PM10: 9.67 μg/m3
Carbon Monoxide: 116.54 μg/m3
Nitrogen Dioxide: 0.76 μg/m3
Sulphur Dioxide: 0.44 μg/m3
Ozone: 59.17 μg/m3

Astronomical

Sunrise: 6:39 AM
Sun Transit: 1:26 PM
Sunset: 8:14 PM
Daylight: 13 hrs 35 mins
Moonrise: 12:14 AM
Moon Transit: 4:37 AM
Moonset: 10:03 AM
Moon Phase: Waning Gibbous
Moon Illumination: 75.3%

Best Times for Fishing or Hunting

Major Periods

4:07 AM - 6:37 AM
5:37 PM - 8:07 PM

Minor Periods

9:33 AM - 11:03 AM
12:00 AM - 12:00 AM

Action Rating: 4 out of 5

Friday, June 5, 2026

Weather Forecast

Moderate rain
81.3°F
78.8°F
80°F
73%
0.22 in
78%
0%
15.2 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 6.37 μg/m3
PM10: 8.96 μg/m3
Carbon Monoxide: 130.67 μg/m3
Nitrogen Dioxide: 1.12 μg/m3
Sulphur Dioxide: 0.52 μg/m3
Ozone: 69 μg/m3

Astronomical

Sunrise: 6:39 AM
Sun Transit: 1:26 PM
Sunset: 8:14 PM
Daylight: 13 hrs 35 mins
Moonrise: 12:54 AM
Moon Transit: 5:24 AM
Moonset: 10:58 AM
Moon Phase: Waning Gibbous
Moon Illumination: 65.0%

Best Times for Fishing or Hunting

Major Periods

4:54 AM - 7:24 AM
6:23 PM - 8:53 PM

Minor Periods

10:28 AM - 11:58 AM
12:00 AM - 12:00 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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