Water Temperature of the Gulf of Mexico in Key West, FL

Current Water Temperature

63.1°F

Measurement Time: Wednesday, February 4, 2026, 11:18 AM EST

Today's Tides

Low: February 4, 5:11 AM, -0.3 ft
 High: February 4, 11:39 AM, 1.2 ft
Low: February 4, 5:11 PM, -0.2 ft
 High: February 4, 11:51 PM, 1.5 ft

Temperature Locations

View Nearby Locations     View All Florida Locations     View Locations Near Me

Local Points of Interest

Mallory Square; Tank Island; Florida Keys

Gulf of Mexico

Station Name: Key West
Data Source: NOAA Tides and Currents

Elevation Above Sea Level: 13 feet

Sensor Depth: -4 feet

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 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 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

70°F
Partly cloudy
Partly cloudy
70°F
63.7°F
55%
NE 12.8 mph
18.1 mph
63.7°F
56.8°F
0 in
75%
9 mi
1023 mbar
3.8

Five Day Weather Forecast

Sunny
Wed
H: 68°F
L: 62°F
Sunny
Thu
H: 69°F
L: 60°F
Cloudy
Fri
H: 62°F
L: 58°F
Sunny
Sat
H: 66°F
L: 62°F
Sunny
Sun
H: 66°F
L: 63°F

Air Quality

AQI: 1 - Good
PM2.5: 7.05 μg/m3
PM10: 10.15 μg/m3
Carbon Monoxide: 146.85 μg/m3
Nitrogen Dioxide: 1.25 μg/m3
Sulphur Dioxide: 1.05 μg/m3
Ozone: 105 μg/m3

Astronomical

Sunrise: 7:08 AM
Sun Transit: 12:41 AM
Sunset: 6:15 PM
Daylight: 11 hrs 8 mins
Moonrise: 9:09 PM
Moon Transit: 2:36 AM
Moonset: 8:53 AM
Moon Phase: Full
Moon Illumination: 90.9%

Best Times for Fishing or Hunting

Major Periods

2:06 AM - 4:36 AM
3:35 PM - 6:05 PM

Minor Periods

8:39 PM - 10:09 PM
8:23 AM - 9:53 AM

Action Rating: 4 out of 5

Wednesday, February 4, 2026

Weather Forecast

Sunny
67.5°F
62.1°F
63.9°F
75%
0 in
0%
0%
15 mph
1


Air Quality

AQI: 1 - Good
PM2.5: 7.7 μg/m3
PM10: 11.11 μg/m3
Carbon Monoxide: 156.17 μg/m3
Nitrogen Dioxide: 1.52 μg/m3
Sulphur Dioxide: 1.22 μg/m3
Ozone: 107 μg/m3

Astronomical

Sunrise: 7:08 AM
Sun Transit: 12:41 AM
Sunset: 6:15 PM
Daylight: 11 hrs 8 mins
Moonrise: 9:09 PM
Moon Transit: 2:36 AM
Moonset: 8:53 AM
Moon Phase: Full
Moon Illumination: 90.9%

Best Times for Fishing or Hunting

Major Periods

2:06 AM - 4:36 AM
3:35 PM - 6:05 PM

Minor Periods

8:39 PM - 10:09 PM
8:23 AM - 9:53 AM

Action Rating: 4 out of 5

Thursday, February 5, 2026

Weather Forecast

Sunny
68.5°F
60.1°F
64°F
87%
0 in
0%
0%
33.3 mph
1.2


Air Quality

AQI: 1 - Good
PM2.5: 8.71 μg/m3
PM10: 12.22 μg/m3
Carbon Monoxide: 154.21 μg/m3
Nitrogen Dioxide: 1.57 μg/m3
Sulphur Dioxide: 1.3 μg/m3
Ozone: 100.68 μg/m3

Astronomical

Sunrise: 7:07 AM
Sun Transit: 12:41 AM
Sunset: 6:16 PM
Daylight: 11 hrs 9 mins
Moonrise: 10:04 PM
Moon Transit: 3:19 AM
Moonset: 9:24 AM
Moon Phase: Waning Gibbous
Moon Illumination: 83.4%

Best Times for Fishing or Hunting

Major Periods

2:49 AM - 5:19 AM
4:18 PM - 6:48 PM

Minor Periods

9:34 PM - 11:04 PM
8:54 AM - 10:24 AM

Action Rating: 2 out of 5

Friday, February 6, 2026

Weather Forecast

Cloudy
62.1°F
57.6°F
59.7°F
72%
0 in
0%
0%
24.8 mph
1.4


Air Quality

AQI: 1 - Good
PM2.5: 9.23 μg/m3
PM10: 13.78 μg/m3
Carbon Monoxide: 155.37 μg/m3
Nitrogen Dioxide: 1.15 μg/m3
Sulphur Dioxide: 1.54 μg/m3
Ozone: 101.16 μg/m3

Astronomical

Sunrise: 7:07 AM
Sun Transit: 12:41 AM
Sunset: 6:16 PM
Daylight: 11 hrs 10 mins
Moonrise: 10:58 PM
Moon Transit: 4:02 AM
Moonset: 9:55 AM
Moon Phase: Waning Gibbous
Moon Illumination: 74.1%

Best Times for Fishing or Hunting

Major Periods

3:32 AM - 6:02 AM
5:00 PM - 7:30 PM

Minor Periods

10:28 PM - 11:58 PM
9:25 AM - 10:55 AM

Action Rating: 2 out of 5

Saturday, February 7, 2026

Weather Forecast

Sunny
66°F
61.9°F
63.9°F
75%
0 in
0%
0%
16.3 mph
1.4


Air Quality

AQI: 1 - Good
PM2.5: 9.99 μg/m3
PM10: 14.33 μg/m3
Carbon Monoxide: 151.28 μg/m3
Nitrogen Dioxide: 1.25 μg/m3
Sulphur Dioxide: 1.52 μg/m3
Ozone: 103.16 μg/m3

Astronomical

Sunrise: 7:06 AM
Sun Transit: 12:41 AM
Sunset: 6:17 PM
Daylight: 11 hrs 11 mins
Moonrise: 11:51 PM
Moon Transit: 4:44 AM
Moonset: 10:27 AM
Moon Phase: Waning Gibbous
Moon Illumination: 63.7%

Best Times for Fishing or Hunting

Major Periods

4:14 AM - 6:44 AM
5:43 PM - 8:13 PM

Minor Periods

12:00 AM - 12:00 AM
9:57 AM - 11:27 AM

Action Rating: 3 out of 5

Sunday, February 8, 2026

Weather Forecast

Sunny
66.3°F
62.7°F
64.9°F
74%
0 in
0%
0%
20.8 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 10.04 μg/m3
PM10: 12.95 μg/m3
Carbon Monoxide: 173.2 μg/m3
Nitrogen Dioxide: 2.46 μg/m3
Sulphur Dioxide: 3.21 μg/m3
Ozone: 95.31 μg/m3

Astronomical

Sunrise: 7:05 AM
Sun Transit: 12:41 AM
Sunset: 6:18 PM
Daylight: 11 hrs 12 mins
Moonrise: 12:51 AM
Moon Transit: 5:28 AM
Moonset: 11:01 AM
Moon Phase: Last Quarter
Moon Illumination: 52.5%

Best Times for Fishing or Hunting

Major Periods

4:58 AM - 7:28 AM
6:28 PM - 8:58 PM

Minor Periods

10:31 AM - 12:01 AM
12:00 AM - 12:00 AM

Action Rating: 4 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.

Webcams Near Key West, FL

Sponsored Content