Water Temperature of Atchafalaya Bay in Morgan City, LA

Current Water Temperature

88.7°F

Measurement Time: Monday, July 27, 2026, 2:54 PM CDT

Today's Tides

 High: July 27, 4:41 AM, 1.9 ft
Low: July 27, 8:22 PM, -0.3 ft

Temperature Locations

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Local Points of Interest

Gulf of Mexico; Lower Atchafalya River; Atchafalaya Delta Wildlife Management Area and Game Preserve

Atchafalaya Bay

Station Name: Eugene Island, North of, Atchafalaya Bay
Data Source: NOAA Tides and Currents

Elevation Above Sea Level: 0 feet

Nearest Address:
Eugene Island
Morgan City, LA 70538
St. Mary Parish County

GPS Coordinates: 29.36750, -91.3839

Nearby Water Temperatures

Atchafalaya Bay, Morgan City, LA (6.3 mi)
Lower Atchafalaya River, Berwick, LA (22.5 mi)
Bayou Gauche, Bayou Gauche, LA (64.8 mi)
Mississippi River, New Orleans, LA (84.5 mi)
Barataria Bay, Grand Isle, LA (86.3 mi)
Gulf of Mexico, Plaquemines Parish, LA (107.9 mi)
Lake Borgne, Shell Beach, LA (108.4 mi)
Calcasieu Ship Channel, Cameron, LA (120.9 mi)
Southwest Pass, Venice, LA (123 mi)
Lake Charles, Lake Charles, LA (125.1 mi)
Calcasieu River, Westlake, LA (128.2 mi)
Mississippi River, Pilottown, LA (128.8 mi)
Mississippi Sound, Waveland, MS (130.7 mi)
Bay of St. Louis, Bay St. Louis, MS (140 mi)
Mississippi Sound, Pass Christian, MS (141.8 mi)

Weather for Morgan City, Louisiana

Current Weather

91.4°F
Partly cloudy
Partly cloudy
104°F
114.4°F
71%
WSW 9.2 mph
10.8 mph
95.2°F
79.6°F
0 in
50%
10 mi
1015 mbar
8.7

Five Day Weather Forecast

Sunny
Mon
H: 97°F
L: 78°F
Sunny
Tue
H: 94°F
L: 78°F
Sunny
Wed
H: 94°F
L: 78°F
Sunny
Thu
H: 94°F
L: 77°F
Sunny
Fri
H: 92°F
L: 78°F

Air Quality

AQI: 1 - Good
PM2.5: 5.5 μg/m3
PM10: 8 μg/m3
Carbon Monoxide: 90 μg/m3
Nitrogen Dioxide: 0.3 μg/m3
Sulphur Dioxide: 0.3 μg/m3
Ozone: 64 μg/m3

Astronomical

Sunrise: 6:23 AM
Sun Transit: 1:12 PM
Sunset: 8:01 PM
Daylight: 13 hrs 38 mins
Moonrise: 7:03 PM
Moon Transit: 12:00 AM
Moonset: 4:22 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:02 AM - 1:32 PM

Minor Periods

6:33 PM - 8:03 PM
3:52 AM - 5:22 AM

Action Rating: 3 out of 5

Heat Advisory issued July 26 at 8:46PM CDT until July 27 at 8:00PM CDT by NWS New Orleans LA

Effective: Sun July 26, 2026, 8:46 PM
Expires: Mon July 27, 2026, 11:00 AM

* WHAT...For the Heat Advisory, heat index values up to 110 expected. For the Extreme Heat Watch, dangerously hot conditions with heat index values up to 115 possible. * WHERE...Portions of southeast Louisiana and southern Mississippi. * WHEN...For the Heat Advisory, from 11 AM to 8 PM CDT Monday. For the Extreme Heat Watch, from Tuesday morning through Tuesday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.


Extreme Heat Watch issued July 26 at 8:46PM CDT until July 28 at 8:00PM CDT by NWS New Orleans LA

Effective: Sun July 26, 2026, 8:46 PM
Expires: Mon July 27, 2026, 11:00 AM

* WHAT...For the Heat Advisory, heat index values up to 110 expected. For the Extreme Heat Watch, dangerously hot conditions with heat index values up to 115 possible. * WHERE...Portions of southeast Louisiana and southern Mississippi. * WHEN...For the Heat Advisory, from 11 AM to 8 PM CDT Monday. For the Extreme Heat Watch, from Tuesday morning through Tuesday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.


Heat Advisory issued July 27 at 4:27AM CDT until July 27 at 8:00PM CDT by NWS New Orleans LA

Effective: Mon July 27, 2026, 4:27 AM
Expires: Mon July 27, 2026, 6:30 PM

* WHAT...For the Heat Advisory, heat index values up to 110 expected. For the Extreme Heat Watch, dangerously hot conditions with heat index values up to 115 possible. * WHERE...Portions of southeast Louisiana and southern Mississippi. * WHEN...For the Heat Advisory, from 11 AM this morning to 8 PM CDT this evening. For the Extreme Heat Watch, from Tuesday morning through Tuesday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.


Extreme Heat Watch issued July 27 at 4:27AM CDT until July 28 at 8:00PM CDT by NWS New Orleans LA

Effective: Mon July 27, 2026, 4:27 AM
Expires: Mon July 27, 2026, 6:30 PM

* WHAT...For the Heat Advisory, heat index values up to 110 expected. For the Extreme Heat Watch, dangerously hot conditions with heat index values up to 115 possible. * WHERE...Portions of southeast Louisiana and southern Mississippi. * WHEN...For the Heat Advisory, from 11 AM this morning to 8 PM CDT this evening. For the Extreme Heat Watch, from Tuesday morning through Tuesday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.


Heat Advisory issued July 27 at 9:26AM CDT until July 27 at 8:00PM CDT by NWS New Orleans LA

Effective: Mon July 27, 2026, 9:26 AM
Expires: Mon July 27, 2026, 5:30 PM

* WHAT...For the Heat Advisory, heat index values up to 110 expected. For the Extreme Heat Watch, dangerously hot conditions with heat index values up to 115 possible. * WHERE...Portions of southeast Louisiana and southern Mississippi. * WHEN...For the Heat Advisory, until 8 PM CDT this evening. For the Extreme Heat Watch, from Tuesday morning through Tuesday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.


Monday, July 27, 2026

Weather Forecast

Sunny
97.2°F
78.1°F
85.5°F
76%
0 in
8%
0%
10.7 mph
11.6


Air Quality

AQI: 1 - Good
PM2.5: 5.88 μg/m3
PM10: 8.77 μg/m3
Carbon Monoxide: 91.04 μg/m3
Nitrogen Dioxide: 1.07 μg/m3
Sulphur Dioxide: 0.34 μg/m3
Ozone: 58.75 μg/m3

Astronomical

Sunrise: 6:23 AM
Sun Transit: 1:12 PM
Sunset: 8:01 PM
Daylight: 13 hrs 38 mins
Moonrise: 7:03 PM
Moon Transit: 12:00 AM
Moonset: 4:22 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:02 AM - 1:32 PM

Minor Periods

6:33 PM - 8:03 PM
3:52 AM - 5:22 AM

Action Rating: 3 out of 5

Tuesday, July 28, 2026

Weather Forecast

Sunny
93.9°F
77.5°F
84.7°F
70%
0 in
6%
0%
11.4 mph
11.4


Air Quality

AQI: 1 - Good
PM2.5: 8.55 μg/m3
PM10: 14.35 μg/m3
Carbon Monoxide: 92.38 μg/m3
Nitrogen Dioxide: 1.09 μg/m3
Sulphur Dioxide: 0.34 μg/m3
Ozone: 57.79 μg/m3

Astronomical

Sunrise: 6:24 AM
Sun Transit: 1:12 PM
Sunset: 8:00 PM
Daylight: 13 hrs 37 mins
Moonrise: 7:43 PM
Moon Transit: 12:09 AM
Moonset: 5:18 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:52 AM - 2:22 PM

Minor Periods

7:13 PM - 8:43 PM
4:48 AM - 6:18 AM

Action Rating: 4 out of 5

Wednesday, July 29, 2026

Weather Forecast

Sunny
93.9°F
77.8°F
84.9°F
71%
0 in
6%
0%
11.9 mph
11


Air Quality

AQI: 1 - Good
PM2.5: 11.83 μg/m3
PM10: 23.4 μg/m3
Carbon Monoxide: 93.38 μg/m3
Nitrogen Dioxide: 0.97 μg/m3
Sulphur Dioxide: 0.33 μg/m3
Ozone: 53.83 μg/m3

Astronomical

Sunrise: 6:24 AM
Sun Transit: 1:12 PM
Sunset: 8:00 PM
Daylight: 13 hrs 35 mins
Moonrise: 8:19 PM
Moon Transit: 12:57 AM
Moonset: 6:17 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:27 AM - 2:57 AM
12:39 AM - 3:09 PM

Minor Periods

7:49 PM - 9:19 PM
5:47 AM - 7:17 AM

Action Rating: 4 out of 5

Thursday, July 30, 2026

Weather Forecast

Sunny
93.6°F
76.8°F
84.1°F
73%
0.2 in
65%
0%
12.5 mph
10.9


Air Quality

AQI: 1 - Good
PM2.5: 12.18 μg/m3
PM10: 19.48 μg/m3
Carbon Monoxide: 103.26 μg/m3
Nitrogen Dioxide: 1.04 μg/m3
Sulphur Dioxide: 0.48 μg/m3
Ozone: 59.25 μg/m3

Astronomical

Sunrise: 6:25 AM
Sun Transit: 1:12 PM
Sunset: 7:59 PM
Daylight: 13 hrs 34 mins
Moonrise: 8:51 PM
Moon Transit: 1:44 AM
Moonset: 7:15 AM
Moon Phase: Full
Moon Illumination: 97.1%

Best Times for Fishing or Hunting

Major Periods

1:14 AM - 3:44 AM
1:25 PM - 3:55 PM

Minor Periods

8:21 PM - 9:51 PM
6:45 AM - 8:15 AM

Action Rating: 5 out of 5

Friday, July 31, 2026

Weather Forecast

Sunny
91.9°F
77.7°F
83.9°F
72%
0 in
7%
0%
12.8 mph
8


Air Quality

AQI: 1 - Good
PM2.5: 12.91 μg/m3
PM10: 21.59 μg/m3
Carbon Monoxide: 124.75 μg/m3
Nitrogen Dioxide: 1.6 μg/m3
Sulphur Dioxide: 0.36 μg/m3
Ozone: 49.13 μg/m3

Astronomical

Sunrise: 6:25 AM
Sun Transit: 1:11 PM
Sunset: 7:58 PM
Daylight: 13 hrs 33 mins
Moonrise: 9:21 PM
Moon Transit: 2:28 AM
Moonset: 8:13 AM
Moon Phase: Full
Moon Illumination: 92.0%

Best Times for Fishing or Hunting

Major Periods

1:58 AM - 4:28 AM
2:09 PM - 4:39 PM

Minor Periods

8:51 PM - 10:21 PM
7:43 AM - 9:13 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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