Water Temperature of Atchafalaya Bay in Morgan City, LA

Current Water Temperature

67.5°F 19.7°C
Cool Brisk & Refreshing
67.5°F
Frigid < 50°F
Cold 50°–60°
Cool 60°–70°
Comfortable 70°–80°
Warm 80°+

Feels brisk on entry. Great for short dips; wetsuit recommended for extended swimming or water sports.

Measurement Time: Saturday, November 14, 2026, 9:18 AM CST

Temperature Locations

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Local Points of Interest

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

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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

57.2°F
Sunny
Conditions: Sunny
Humidity: 47%
Feels Like: 46.4°F
Wind: ENE 18.6 mph
Wind Gusts: 19.3 mph
Pressure: 30.14 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 25.8 mi
UV Index: 3

Five-Day Weather Forecast

Overcast
Sat
H: 64°F
L: 54°F
Light Drizzle
Sun
H: 69°F
L: 58°F
Heavy Rain
Mon
H: 64°F
L: 55°F
Overcast
Tue
H: 69°F
L: 57°F
Overcast
Wed
H: 72°F
L: 65°F

Air Quality

EPA Index 1 • Good

Air quality is satisfactory, and air pollution poses little or no risk.

PM2.5
2.7 μg/m³
Good
PM10
3.1 μg/m³
Good
Ozone (O3)
68 μg/m³
Photochemical
NO2
3.2 μg/m³
Nitrogen Dioxide
SO2
1.1 μg/m³
Sulfur Dioxide
CO
131 μg/m³
Carbon Monoxide

Astronomical

Sun
10h 42m daylight
Sunrise 6:29 AM
Solar Noon 11:50 AM
Sunset 5:11 PM
Moon
Waxing Crescent • 21%
Moonrise 11:07 AM
Transit 4:17 PM
Moonset 9:31 PM

Best Times for Fishing or Hunting

Major Periods

3:23 AM - 5:53 AM
3:47 PM - 6:17 PM

Minor Periods

10:37 AM - 12:07 PM
9:01 PM - 10:31 PM
Action Rating:
Fair Action 2/5
Saturday, November 14, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 59.2°F
Average Humidity: 51%
Chance of Rain: 0%
Wind: 22.5 mph
UV Index: 5.2

Air Quality

EPA Index 1 • Good
PM2.5
3.8 μg/m³
Good
PM10
4.3 μg/m³
Good
Ozone (O3)
75.9 μg/m³
Photochemical
NO2
2.9 μg/m³
Nitrogen Dioxide
SO2
1.2 μg/m³
Sulfur Dioxide
CO
128.8 μg/m³
Carbon Monoxide

Astronomical

Sun
10h 42m daylight
Sunrise 6:29 AM
Solar Noon 11:50 AM
Sunset 5:11 PM
Moon
Waxing Crescent • 21%
Moonrise 11:07 AM
Transit 4:17 PM
Moonset 9:31 PM

Best Times for Fishing or Hunting

Major Periods

3:23 AM - 5:53 AM
3:47 PM - 6:17 PM

Minor Periods

10:37 AM - 12:07 PM
9:01 PM - 10:31 PM
Action Rating:
Fair Action 2/5
Sunday, November 15, 2026

Weather Forecast

Conditions: Light Drizzle
Average Temperature: 63.7°F
Average Humidity: 67%
Chance of Rain: 50%
Wind: 30.3 mph
UV Index: 4.9

Air Quality

EPA Index 1 • Good
PM2.5
8.4 μg/m³
Good
PM10
10.7 μg/m³
Good
Ozone (O3)
82.8 μg/m³
Photochemical
NO2
1.3 μg/m³
Nitrogen Dioxide
SO2
0.7 μg/m³
Sulfur Dioxide
CO
125.4 μg/m³
Carbon Monoxide

Astronomical

Sun
10h 40m daylight
Sunrise 6:30 AM
Solar Noon 11:50 AM
Sunset 5:10 PM
Moon
Waxing Crescent • 31%
Moonrise 11:44 AM
Transit 5:03 PM
Moonset 10:28 PM

Best Times for Fishing or Hunting

Major Periods

4:10 AM - 6:40 AM
4:33 PM - 7:03 PM

Minor Periods

11:14 AM - 12:44 PM
9:58 PM - 11:28 PM
Action Rating:
Good Action 3/5
Monday, November 16, 2026

Weather Forecast

Conditions: Heavy Rain
Average Temperature: 59.5°F
Average Humidity: 73%
Chance of Rain: 71%
Wind: 31.3 mph
UV Index: 1.6

Air Quality

EPA Index 1 • Good
PM2.5
6.7 μg/m³
Good
PM10
8.3 μg/m³
Good
Ozone (O3)
84.5 μg/m³
Photochemical
NO2
1.5 μg/m³
Nitrogen Dioxide
SO2
0.6 μg/m³
Sulfur Dioxide
CO
130.7 μg/m³
Carbon Monoxide

Astronomical

Sun
10h 39m daylight
Sunrise 6:31 AM
Solar Noon 11:50 AM
Sunset 5:10 PM
Moon
First Quarter • 42%
Moonrise 12:18 PM
Transit 5:47 PM
Moonset 11:23 PM

Best Times for Fishing or Hunting

Major Periods

4:55 AM - 7:25 AM
5:17 PM - 7:47 PM

Minor Periods

11:48 AM - 1:18 PM
10:53 PM - 12:23 AM
Action Rating:
Good Action 3/5
Tuesday, November 17, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 62.4°F
Average Humidity: 74%
Chance of Rain: 20%
Wind: 23.4 mph
UV Index: 5

Air Quality

EPA Index 2 • Moderate
PM2.5
9 μg/m³
Good
PM10
11.5 μg/m³
Good
Ozone (O3)
75.6 μg/m³
Photochemical
NO2
1.9 μg/m³
Nitrogen Dioxide
SO2
0.7 μg/m³
Sulfur Dioxide
CO
134 μg/m³
Carbon Monoxide

Astronomical

Sun
10h 38m daylight
Sunrise 6:32 AM
Solar Noon 11:50 AM
Sunset 5:09 PM
Moon
First Quarter • 54%
Moonrise 12:48 PM
Transit 6:30 PM
Moonset 1:14 AM

Best Times for Fishing or Hunting

Major Periods

5:39 AM - 8:09 AM
6:00 PM - 8:30 PM

Minor Periods

12:44 AM - 2:14 AM
12:18 PM - 1:48 PM
Action Rating:
Fair Action 2/5
Wednesday, November 18, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 67.5°F
Average Humidity: 77%
Chance of Rain: 2%
Wind: 20.5 mph
UV Index: 5

Air Quality

EPA Index 1 • Good
PM2.5
7.3 μg/m³
Good
PM10
10.5 μg/m³
Good
Ozone (O3)
81.7 μg/m³
Photochemical
NO2
1 μg/m³
Nitrogen Dioxide
SO2
0.4 μg/m³
Sulfur Dioxide
CO
131.8 μg/m³
Carbon Monoxide

Astronomical

Sun
10h 37m daylight
Sunrise 6:32 AM
Solar Noon 11:50 AM
Sunset 5:09 PM
Moon
First Quarter • 65%
Moonrise 1:17 PM
Transit 7:13 PM
Moonset 12:20 AM

Best Times for Fishing or Hunting

Major Periods

6:22 AM - 8:52 AM
6:43 PM - 9:13 PM

Minor Periods

12:47 PM - 2:17 PM
11:50 PM - 1:20 AM
Action Rating:
Good Action 3/5
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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