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 Keys

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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
Overcast
Conditions: Overcast
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

Five Day Weather Forecast

Heavy rain
Wed
H: 81°F
L: 77°F
Partly Cloudy
Thu
H: 83°F
L: 82°F
Sunny
Fri
H: 85°F
L: 82°F
Sunny
Sat
H: 85°F
L: 81°F
Partly Cloudy
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

Astronomical

Sunrise: 6:38 AM
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%

Best Times for Fishing or Hunting

Major Periods

9:08 AM - 11:38 AM
8:21 PM - 10:51 PM

Minor Periods

2:15 PM - 3:45 PM
1:54 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%
Chance of Rain: 68%
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

Astronomical

Sunrise: 6:38 AM
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%

Best Times for Fishing or Hunting

Major Periods

9:08 AM - 11:38 AM
8:21 PM - 10:51 PM

Minor Periods

2:15 PM - 3:45 PM
1:54 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%
Chance of Rain: 0%
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

Astronomical

Sunrise: 6:38 AM
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%

Best Times for Fishing or Hunting

Major Periods

9:48 AM - 12:18 AM
9:00 PM - 11:30 PM

Minor Periods

3:05 PM - 4:35 PM
2:22 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%
Chance of Rain: 0%
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

Astronomical

Sunrise: 6:38 AM
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%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

3:57 PM - 5:27 PM
2:50 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%
Chance of Rain: 0%
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

Astronomical

Sunrise: 6:38 AM
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%

Best Times for Fishing or Hunting

Major Periods

11:09 AM - 1:39 PM
12:00 AM - 12:00 AM

Minor Periods

4:48 PM - 6:18 PM
3:21 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%
Chance of Rain: 0%
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

Astronomical

Sunrise: 6:38 AM
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%

Best Times for Fishing or Hunting

Major Periods

11:53 AM - 2:23 PM
12:00 AM - 12:00 AM

Minor Periods

5:43 PM - 7:13 PM
3:55 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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