Water Temperature of the Gulf of Mexico in Key West, FL
Current Water Temperature
84.4°F
Measurement Time: Wednesday, June 4, 2025, 9:12 PM EDT
Today's Tides
High: June 4, 5:54 AM, 1.36 ft
Low: June 4, 11:57 AM, 0.41 ft
High: June 4, 6:20 PM, 1.14 ft
Low: June 4, 11:50 PM, 0.43 ft
Temperature Locations
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Local Points of Interest
Mallory Square; Tank Island; Florida KeysSponsored Content
Gulf of Mexico
Station Name: Key West
Data Source: NOAA Tides and Currents
Elevation Above Sea Level: 13 feet / 4 meters
Sensor Depth: -3.6 feet / -1.1 meters
Nearest Address:
21 Angela St
Key West, FL 33040
Monroe County
GPS Coordinates: 24.55083, -81.80806
Nearby Water Temperatures
Atlantic Ocean, Key West, FL (14.1 mi)Gulf of Mexico, Marathon, FL (45.4 mi)
East Side Creek, Flamingo, FL (61.8 mi)
Joe Kemp Channel, Flamingo, FL (66.5 mi)
Florida Bay, Islamorada, FL (68.4 mi)
Shark River, Flamingo, FL (70.9 mi)
Florida Bay, Islamorada, FL (71.3 mi)
Whitewater Bay, Flamingo, FL (72.0 mi)
Gulf of Mexico, Flamingo, FL (72.6 mi)
Whipray Basin, Islamorada, FL (76.3 mi)
Harney River, Flamingo, FL (76.4 mi)
Florida Bay, Islamorada, FL (78.0 mi)
Seven Palm Lake, Flamingo, FL (80.5 mi)
Broad River, Flamingo, FL (82.1 mi)
Little Madeira Bay, Homestead, FL (85.4 mi)
Weather for Key West, Florida
Current Weather
82.9°F

Conditions: Overcast
Humidity: 85%
Feels Like: 91.9°F
Wind: ESE 19 mph
Wind Gusts: 25.5 mph
Humidity: 85%
Feels Like: 91.9°F
Wind: ESE 19 mph
Wind Gusts: 25.5 mph
Pressure: 30.05 in
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 9 mi
UV Index: 0
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 9 mi
UV Index: 0
Five Day Weather Forecast

Wed
H: 81°F
L: 77°F

Thu
H: 83°F
L: 82°F

Fri
H: 85°F
L: 82°F

Sat
H: 85°F
L: 81°F

Sun
H: 83°F
L: 81°F
Air Quality
AQI:
1 - Good
PM2.5:
59.2 μg/m3
PM10:
151.7 μg/m3
Carbon Monoxide: 209.05 μg/m3
Nitrogen Dioxide: 1.11 μg/m3
Sulphur Dioxide: 0.37 μg/m3
Ozone: 38 μg/m3
Nitrogen Dioxide: 1.11 μg/m3
Sulphur Dioxide: 0.37 μg/m3
Ozone: 38 μg/m3
Astronomical
Sunrise: 6:38 AM
Sun Transit: 1:25 PM
Sunset: 8:14 PM
Daylight: 13 hrs 35 mins
Sun Transit: 1:25 PM
Sunset: 8:14 PM
Daylight: 13 hrs 35 mins
Moonrise: 2:45 PM
Moon Transit: 8:51 PM
Moonset: 2:24 AM
Moon Phase: First Quarter
Moon Illumination: 59.8%
Moon Transit: 8:51 PM
Moonset: 2:24 AM
Moon Phase: First Quarter
Moon Illumination: 59.8%
Best Times for Fishing or Hunting
Major Periods
9:08 AM - 11:38 AM8:21 PM - 10:51 PM
Minor Periods
2:15 PM - 3:45 PM1:54 AM - 3:24 AM
Action Rating: 3 out of 5
Wednesday, June 4, 2025
Weather Forecast
Conditions: Heavy rain
Average Temperature: 79.6°F
Average Humidity: 87%
Average Temperature: 79.6°F
Average Humidity: 87%
Chance of Rain: 68%
Wind: 19.9 mph
UV Index: 1.5
Wind: 19.9 mph
UV Index: 1.5
Air Quality
AQI:
3 - Unhealthy for Sensitive Groups
PM2.5:
44.41 μg/m3
PM10:
95.07 μg/m3
Carbon Monoxide: 228.22 μg/m3
Nitrogen Dioxide: 1.5 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 60.68 μg/m3
Nitrogen Dioxide: 1.5 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 60.68 μg/m3
Astronomical
Sunrise: 6:38 AM
Sun Transit: 1:25 PM
Sunset: 8:14 PM
Daylight: 13 hrs 35 mins
Sun Transit: 1:25 PM
Sunset: 8:14 PM
Daylight: 13 hrs 35 mins
Moonrise: 2:45 PM
Moon Transit: 8:51 PM
Moonset: 2:24 AM
Moon Phase: First Quarter
Moon Illumination: 59.8%
Moon Transit: 8:51 PM
Moonset: 2:24 AM
Moon Phase: First Quarter
Moon Illumination: 59.8%
Best Times for Fishing or Hunting
Major Periods
9:08 AM - 11:38 AM8:21 PM - 10:51 PM
Minor Periods
2:15 PM - 3:45 PM1:54 AM - 3:24 AM
Action Rating: 3 out of 5
Thursday, June 5, 2025
Weather Forecast
Conditions: Partly Cloudy
Average Temperature: 82.3°F
Average Humidity: 84%
Average Temperature: 82.3°F
Average Humidity: 84%
Chance of Rain: 0%
Wind: 21.3 mph
UV Index: 2
Wind: 21.3 mph
UV Index: 2
Air Quality
AQI:
2 - Moderate
PM2.5:
31.24 μg/m3
PM10:
70.94 μg/m3
Carbon Monoxide: 196.17 μg/m3
Nitrogen Dioxide: 0.87 μg/m3
Sulphur Dioxide: 0.27 μg/m3
Ozone: 45.32 μg/m3
Nitrogen Dioxide: 0.87 μg/m3
Sulphur Dioxide: 0.27 μg/m3
Ozone: 45.32 μg/m3
Astronomical
Sunrise: 6:38 AM
Sun Transit: 1:25 PM
Sunset: 8:14 PM
Daylight: 13 hrs 36 mins
Sun Transit: 1:25 PM
Sunset: 8:14 PM
Daylight: 13 hrs 36 mins
Moonrise: 3:35 PM
Moon Transit: 9:30 PM
Moonset: 2:52 AM
Moon Phase: First Quarter
Moon Illumination: 70.6%
Moon Transit: 9:30 PM
Moonset: 2:52 AM
Moon Phase: First Quarter
Moon Illumination: 70.6%
Best Times for Fishing or Hunting
Major Periods
9:48 AM - 12:18 AM9:00 PM - 11:30 PM
Minor Periods
3:05 PM - 4:35 PM2:22 AM - 3:52 AM
Action Rating: 2 out of 5
Friday, June 6, 2025
Weather Forecast
Conditions: Sunny
Average Temperature: 82.9°F
Average Humidity: 82%
Average Temperature: 82.9°F
Average Humidity: 82%
Chance of Rain: 0%
Wind: 18.8 mph
UV Index: 3
Wind: 18.8 mph
UV Index: 3
Air Quality
AQI:
1 - Good
PM2.5:
13.45 μg/m3
PM10:
28.77 μg/m3
Carbon Monoxide: 195.88 μg/m3
Nitrogen Dioxide: 0.79 μg/m3
Sulphur Dioxide: 0.33 μg/m3
Ozone: 48.32 μg/m3
Nitrogen Dioxide: 0.79 μg/m3
Sulphur Dioxide: 0.33 μg/m3
Ozone: 48.32 μg/m3
Astronomical
Sunrise: 6:38 AM
Sun Transit: 1:26 PM
Sunset: 8:15 PM
Daylight: 13 hrs 36 mins
Sun Transit: 1:26 PM
Sunset: 8:15 PM
Daylight: 13 hrs 36 mins
Moonrise: 4:27 PM
Moon Transit: 10:11 PM
Moonset: 3:20 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 80.3%
Moon Transit: 10:11 PM
Moonset: 3:20 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 80.3%
Best Times for Fishing or Hunting
Major Periods
10:28 AM - 12:58 AM12:00 AM - 12:00 AM
Minor Periods
3:57 PM - 5:27 PM2:50 AM - 4:20 AM
Action Rating: 2 out of 5
Saturday, June 7, 2025
Weather Forecast
Conditions: Sunny
Average Temperature: 82.1°F
Average Humidity: 81%
Average Temperature: 82.1°F
Average Humidity: 81%
Chance of Rain: 0%
Wind: 15.9 mph
UV Index: 3
Wind: 15.9 mph
UV Index: 3
Air Quality
AQI:
1 - Good
PM2.5:
15.41 μg/m3
PM10:
36.67 μg/m3
Carbon Monoxide: 200.61 μg/m3
Nitrogen Dioxide: 0.84 μg/m3
Sulphur Dioxide: 0.41 μg/m3
Ozone: 45.92 μg/m3
Nitrogen Dioxide: 0.84 μg/m3
Sulphur Dioxide: 0.41 μg/m3
Ozone: 45.92 μg/m3
Astronomical
Sunrise: 6:38 AM
Sun Transit: 1:26 PM
Sunset: 8:15 PM
Daylight: 13 hrs 37 mins
Sun Transit: 1:26 PM
Sunset: 8:15 PM
Daylight: 13 hrs 37 mins
Moonrise: 5:18 PM
Moon Transit: 10:53 PM
Moonset: 3:51 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 88.5%
Moon Transit: 10:53 PM
Moonset: 3:51 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 88.5%
Best Times for Fishing or Hunting
Major Periods
11:09 AM - 1:39 PM12:00 AM - 12:00 AM
Minor Periods
4:48 PM - 6:18 PM3:21 AM - 4:51 AM
Action Rating: 2 out of 5
Sunday, June 8, 2025
Weather Forecast
Conditions: Partly Cloudy
Average Temperature: 81.8°F
Average Humidity: 76%
Average Temperature: 81.8°F
Average Humidity: 76%
Chance of Rain: 0%
Wind: 14.3 mph
UV Index: 3
Wind: 14.3 mph
UV Index: 3
Air Quality
AQI:
1 - Good
PM2.5:
12.22 μg/m3
PM10:
25.49 μg/m3
Carbon Monoxide: 192.4 μg/m3
Nitrogen Dioxide: 1.17 μg/m3
Sulphur Dioxide: 0.41 μg/m3
Ozone: 42.15 μg/m3
Nitrogen Dioxide: 1.17 μg/m3
Sulphur Dioxide: 0.41 μg/m3
Ozone: 42.15 μg/m3
Astronomical
Sunrise: 6:38 AM
Sun Transit: 1:26 PM
Sunset: 8:15 PM
Daylight: 13 hrs 37 mins
Sun Transit: 1:26 PM
Sunset: 8:15 PM
Daylight: 13 hrs 37 mins
Moonrise: 6:13 PM
Moon Transit: 11:39 PM
Moonset: 4:25 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 94.7%
Moon Transit: 11:39 PM
Moonset: 4:25 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 94.7%
Best Times for Fishing or Hunting
Major Periods
11:53 AM - 2:23 PM12:00 AM - 12:00 AM
Minor Periods
5:43 PM - 7:13 PM3:55 AM - 5:25 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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