Water Temperature of the Intracoastal Waterway in Port St. Joe, FL

Current Water Temperature

78.4°F

Measurement Time: Saturday, April 18, 2026, 11:45 PM EDT

Temperature Locations

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Local Points of Interest

Gulf County Canal

Intracoastal Waterway

Station Name: IWW EAST OF GULF CO CANAL NEAR PORT ST JOE, FL
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 46 feet

Nearest Address:
Port St. Joe, FL 32456
Gulf County

GPS Coordinates: 29.88555556, -85.2436111

Nearby Water Temperatures

Intracoastal Waterway, White City, FL (0.7 mi)
Jackson River, Apalachicola, FL (12.5 mi)
Apalachicola River , Sumatra, FL (14.4 mi)
Apalachicola River, Apalachicola, FL (19.3 mi)
Saint Andrew Bay, Panama City, FL (31.3 mi)
Gulf of Mexico, Panama City Beach, FL (44.2 mi)
Sopchoppy River, Sopchoppy, FL (47.9 mi)
Spring Creek, Spring Creek, FL (56.3 mi)
Apalachicola River , Chattahoochee, FL (60.8 mi)
Wakulla Springs, Crawfordville, FL (61.3 mi)
Jackson Blue Spring, Marianna, FL (62.8 mi)
Aucilla River, Lamont, FL (77.2 mi)
Wacissa River, Wacissa, FL (80.8 mi)
Wacissa River, Wacissa, FL (81.1 mi)
Econfina River, Perry, FL (81.5 mi)

Weather for Port St. Joe, Florida

Current Weather

73°F
Clear
Clear
76.9°F
75.7°F
79%
WNW 9.4 mph
14.7 mph
70.6°F
64.7°F
0 in
0%
9 mi
1015 mbar
0

Five Day Weather Forecast

Sunny
Sun
H: 82°F
L: 65°F
Sunny
Mon
H: 80°F
L: 57°F
Partly Cloudy
Tue
H: 77°F
L: 64°F
Patchy rain nearby
Wed
H: 73°F
L: 65°F
Sunny
Thu
H: 77°F
L: 60°F

Air Quality

AQI: 1 - Good
PM2.5: 5.45 μg/m3
PM10: 7.25 μg/m3
Carbon Monoxide: 131.85 μg/m3
Nitrogen Dioxide: 3.45 μg/m3
Sulphur Dioxide: 2.55 μg/m3
Ozone: 76 μg/m3

Astronomical

Sunrise: 7:10 AM
Sun Transit: 1:40 PM
Sunset: 8:11 PM
Daylight: 13 hrs 1 mins
Moonrise: 8:27 AM
Moon Transit: 3:44 PM
Moonset: 11:09 PM
Moon Phase: Waxing Crescent
Moon Illumination: 4.9%

Best Times for Fishing or Hunting

Major Periods

3:23 AM - 5:53 AM
3:14 PM - 5:44 PM

Minor Periods

12:00 AM - 12:00 AM
7:57 AM - 9:27 AM

Action Rating: 2 out of 5

Fire Weather Watch issued April 18 at 2:06PM EDT until April 20 at 8:00PM EDT by NWS Tallahassee FL

Effective: Sat April 18, 2026, 2:06 PM
Expires: Sun April 19, 2026, 3:30 AM

...Critical Fire Weather through Monday... A cold frontal passage on Sunday morning will be followed on Sunday afternoon by northerly winds gusting around 25 mph, and RH will be dropping in the afternoon as a drier air mass arrives. Lingering cloud cover will be the main inhibitor to active fire behavior on Sunday, but critical conditions remain possible Sunday afternoon. With dry air continuing to filter in on Sunday night, there will be poor nighttime humidity recovery. On Monday, the heart of the dry air mass will be in place, with minimum relative humidities commonly in the 15-20 percent range. Sustained northeast winds will be near 10 to 15 mph and support extremely high dispersion. Full sunshine, seasonably warm late April temperatures, and ongoing drought will all contribute to a critical fire environment. A Fire Weather Watch remains in effect for Monday where winds are currently forecast to touch 15 mph. The watch could be expanded in later forecast updates. * AFFECTED AREA...Florida fire weather zones 010, 011, 012, 014, 015, 028, 029, 034, 112, 114, 115, 118, 127, 128, and 134. Georgia fire weather zones 143 and 155. * WIND...Northeast near 15 mph, with gusts near 25 mph. * HUMIDITY...15-20 percent, following poor humidity recovery on Sunday night. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended.

A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.


Fire Weather Watch issued April 19 at 2:02AM EDT until April 20 at 8:00PM EDT by NWS Tallahassee FL

Effective: Sun April 19, 2026, 2:02 AM
Expires: Sun April 19, 2026, 4:00 PM

...Critical Fire Weather through Monday... A cold frontal passage this morning will be followed this afternoon by northerly winds gusting around 20 to 25 mph, and RH will be dropping in the afternoon as a drier air mass arrives. Lingering cloud cover will be the main inhibitor to more widespread critical fire concerns today, but Red Flag Warnings are now in effect where the confidence in lowest humidity overlaps with strong post-frontal winds. With dry air continuing to filter in tonight, there will be poor nighttime humidity recovery. On Monday, the heart of the dry air mass will be in place, with minimum relative humidities commonly in the 15-20 percent range. Sustained northeast winds will be near 10 to 15 mph and support extremely high dispersions. Full sunshine, seasonably warm late April temperatures, and ongoing drought will all contribute to a critical fire environment. A Fire Weather Watch remains in effect for Monday where winds are currently forecast to touch 15 mph. The watch has been expanded west and southwestward this update to now include portions of the Florida Panhandle and extreme southeast Alabama. Additionally some portions of southwest Georgia were added to the fire weather watch. * AFFECTED AREA...Alabama fire weather zones 068 and 069. Florida fire weather zones 007, 008, 009, 010, 011, 012, 013, 014, 015, 016, 017, 029, 030, 031, 032, 033, 034, 108, 112, 114, 115, 118, 127, 128, 134, 326, 426. Georgie fire weather zones 144, 155, 156, 157, 158, 159, 160, 161. * WIND...Northeast near 10 to 15 mph, with gusts near 20 to 25 mph. * HUMIDITY...15-20 percent. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended.

A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.


Fire Weather Watch issued April 18 at 2:06PM EDT until April 20 at 8:00PM EDT by NWS Tallahassee FL

Effective: Sat April 18, 2026, 2:06 PM
Expires: Sun April 19, 2026, 3:30 AM

...Critical Fire Weather through Monday... A cold frontal passage on Sunday morning will be followed on Sunday afternoon by northerly winds gusting around 25 mph, and RH will be dropping in the afternoon as a drier air mass arrives. Lingering cloud cover will be the main inhibitor to active fire behavior on Sunday, but critical conditions remain possible Sunday afternoon. With dry air continuing to filter in on Sunday night, there will be poor nighttime humidity recovery. On Monday, the heart of the dry air mass will be in place, with minimum relative humidities commonly in the 15-20 percent range. Sustained northeast winds will be near 10 to 15 mph and support extremely high dispersion. Full sunshine, seasonably warm late April temperatures, and ongoing drought will all contribute to a critical fire environment. A Fire Weather Watch remains in effect for Monday where winds are currently forecast to touch 15 mph. The watch could be expanded in later forecast updates. ...RED FLAG WARNING FOR THIS AFTERNOON IS CANCELLED... The National Weather Service in Tallahassee has cancelled the Red Flag Warning for the rest of this afternoon over Calhoun, Liberty, and Decatur Counties. Relative humidity this afternoon will not get as low as originally forecast. A Fire Weather Watch remains in effect from Monday morning through Monday evening for gusty winds and low humidity. * AFFECTED AREA...Florida fire weather zones 013, 326, and 426. Georgia fire weather zone 156. * WIND...On Monday, northeast winds near 15 mph, with gusts around 25 mph. * HUMIDITY...On Monday, 15-20 percent, following poor humidity recovery on Sunday night. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended.

A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.


Fire Weather Watch issued April 18 at 2:06PM EDT until April 20 at 8:00PM EDT by NWS Tallahassee FL

Effective: Sat April 18, 2026, 2:06 PM
Expires: Sun April 19, 2026, 3:30 AM

...Critical Fire Weather through Monday... A cold frontal passage on Sunday morning will be followed on Sunday afternoon by northerly winds gusting around 25 mph, and RH will be dropping in the afternoon as a drier air mass arrives. Lingering cloud cover will be the main inhibitor to active fire behavior on Sunday, but critical conditions remain possible Sunday afternoon. With dry air continuing to filter in on Sunday night, there will be poor nighttime humidity recovery. On Monday, the heart of the dry air mass will be in place, with minimum relative humidities commonly in the 15-20 percent range. Sustained northeast winds will be near 10 to 15 mph and support extremely high dispersion. Full sunshine, seasonably warm late April temperatures, and ongoing drought will all contribute to a critical fire environment. A Fire Weather Watch remains in effect for Monday where winds are currently forecast to touch 15 mph. The watch could be expanded in later forecast updates. ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR THE FLORIDA BIG BEND REGION... A Red Flag Warning remains in effect until 8 PM EDT /7 PM CDT/ this evening. A Fire Weather Watch remains in effect from Monday morning through Monday evening. * AFFECTED AREA...Florida fire weather zones 016, 017, 018, ,019, and 027. Georgia fire weather zones 147, 157, 158, 159, and 160. * WIND...This afternoon...southwest 10-15 mph, with gusts near 20 mph. On Monday, northeast winds near 15 mph, with gusts around 25 mph. * HUMIDITY...This afternoon, 30-35 percent. On Monday, 15-20 percent, following poor humidity recovery on Sunday night. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended.

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.


Sunday, April 19, 2026

Weather Forecast

Sunny
82°F
64.8°F
73.4°F
58%
0 in
0%
0%
17 mph
8.7


Air Quality

AQI: 1 - Good
PM2.5: 6.41 μg/m3
PM10: 8.26 μg/m3
Carbon Monoxide: 138.65 μg/m3
Nitrogen Dioxide: 2.79 μg/m3
Sulphur Dioxide: 2.08 μg/m3
Ozone: 94.4 μg/m3

Astronomical

Sunrise: 7:10 AM
Sun Transit: 1:40 PM
Sunset: 8:11 PM
Daylight: 13 hrs 1 mins
Moonrise: 8:27 AM
Moon Transit: 3:44 PM
Moonset: 11:09 PM
Moon Phase: Waxing Crescent
Moon Illumination: 4.9%

Best Times for Fishing or Hunting

Major Periods

3:23 AM - 5:53 AM
3:14 PM - 5:44 PM

Minor Periods

12:00 AM - 12:00 AM
7:57 AM - 9:27 AM

Action Rating: 2 out of 5

Monday, April 20, 2026

Weather Forecast

Sunny
80.4°F
57.2°F
68.6°F
35%
0 in
0%
0%
13.4 mph
9.5


Air Quality

AQI: 1 - Good
PM2.5: 6.23 μg/m3
PM10: 7.77 μg/m3
Carbon Monoxide: 154.89 μg/m3
Nitrogen Dioxide: 2.63 μg/m3
Sulphur Dioxide: 2.4 μg/m3
Ozone: 104 μg/m3

Astronomical

Sunrise: 7:09 AM
Sun Transit: 1:39 PM
Sunset: 8:11 PM
Daylight: 13 hrs 3 mins
Moonrise: 9:21 AM
Moon Transit: 4:49 PM
Moonset: 12:09 AM
Moon Phase: Waxing Crescent
Moon Illumination: 10.8%

Best Times for Fishing or Hunting

Major Periods

4:26 AM - 6:56 AM
4:19 PM - 6:49 PM

Minor Periods

8:51 AM - 10:21 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Tuesday, April 21, 2026

Weather Forecast

Partly Cloudy
77.4°F
64.2°F
70.7°F
47%
0 in
0%
0%
14.5 mph
9.2


Air Quality

AQI: 1 - Good
PM2.5: 9.89 μg/m3
PM10: 13.63 μg/m3
Carbon Monoxide: 158.57 μg/m3
Nitrogen Dioxide: 3.67 μg/m3
Sulphur Dioxide: 1.88 μg/m3
Ozone: 100.48 μg/m3

Astronomical

Sunrise: 7:08 AM
Sun Transit: 1:39 PM
Sunset: 8:12 PM
Daylight: 13 hrs 4 mins
Moonrise: 10:24 AM
Moon Transit: 5:54 PM
Moonset: 12:20 AM
Moon Phase: Waxing Crescent
Moon Illumination: 18.8%

Best Times for Fishing or Hunting

Major Periods

5:31 AM - 8:01 AM
5:24 PM - 7:54 PM

Minor Periods

9:54 AM - 11:24 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Wednesday, April 22, 2026

Weather Forecast

Patchy rain nearby
72.9°F
65.3°F
70°F
56%
0.01 in
85%
0%
15.9 mph
7.7


Air Quality

AQI: 1 - Good
PM2.5: 10.72 μg/m3
PM10: 14.95 μg/m3
Carbon Monoxide: 151.73 μg/m3
Nitrogen Dioxide: 3.37 μg/m3
Sulphur Dioxide: 2.34 μg/m3
Ozone: 102.96 μg/m3

Astronomical

Sunrise: 7:07 AM
Sun Transit: 1:39 PM
Sunset: 8:13 PM
Daylight: 13 hrs 6 mins
Moonrise: 11:31 AM
Moon Transit: 6:56 PM
Moonset: 1:22 AM
Moon Phase: Waxing Crescent
Moon Illumination: 28.4%

Best Times for Fishing or Hunting

Major Periods

6:35 AM - 9:05 AM
6:26 PM - 8:56 PM

Minor Periods

11:01 AM - 12:31 AM
12:52 AM - 2:22 AM

Action Rating: 2 out of 5

Thursday, April 23, 2026

Weather Forecast

Sunny
77.2°F
60.4°F
66.7°F
67%
0 in
0%
0%
14.5 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 9.54 μg/m3
PM10: 14.95 μg/m3
Carbon Monoxide: 169.77 μg/m3
Nitrogen Dioxide: 5.09 μg/m3
Sulphur Dioxide: 2.03 μg/m3
Ozone: 85.54 μg/m3

Astronomical

Sunrise: 7:06 AM
Sun Transit: 1:39 PM
Sunset: 8:13 PM
Daylight: 13 hrs 8 mins
Moonrise: 12:41 AM
Moon Transit: 7:54 PM
Moonset: 2:16 AM
Moon Phase: First Quarter
Moon Illumination: 39.1%

Best Times for Fishing or Hunting

Major Periods

7:35 AM - 10:05 AM
7:24 PM - 9:54 PM

Minor Periods

12:11 AM - 1:41 PM
1:46 AM - 3:16 AM

Action Rating: 3 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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