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Marine Weather and Tide Forecast for Morgan City, LA

June 13, 2025 9:14 PM CDT (02:14 UTC)
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Sunrise 6:00 AM   Sunset 8:05 PM
Moonrise 9:32 PM   Moonset 6:51 AM 
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NOTE: Some of the data on this page has not been verified and should be used with that in mind. It may and occasionally will, be wrong. The tide reports are by xtide and are NOT FOR NAVIGATION.

Marine Forecasts
   
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NOTE: Zones were updated 3/20/2025
GMZ436 Atchafalaya And East Cote Blanche Bays- 205 Pm Cdt Fri Jun 13 2025

Tonight - South winds 5 to 10 knots. Bay waters light chop. A chance of showers and Thunderstorms early this evening, then a slight chance of showers and Thunderstorms late this evening and early morning.

Saturday - South winds 5 to 10 knots. Bay waters light chop. A chance of showers and Thunderstorms in the morning, then showers and Thunderstorms likely in the afternoon.

Saturday night - South winds around 5 knots. Bay waters smooth. A chance of showers with a slight chance of Thunderstorms after midnight.

Sunday - South winds around 5 knots. Bay waters smooth. Showers likely with a chance of Thunderstorms in the morning, then showers with Thunderstorms likely in the afternoon.

Sunday night - South winds around 5 knots. Bay waters smooth. A slight chance of showers and Thunderstorms in the evening, then a chance of showers and Thunderstorms after midnight.

Monday - South winds around 5 knots. Bay waters smooth. Showers likely with a chance of Thunderstorms in the morning, then showers with Thunderstorms likely in the afternoon.

Monday night - South winds around 5 knots. Bay waters smooth. A chance of showers and Thunderstorms.

Tuesday - South winds 5 to 10 knots. Bay waters light chop. Showers likely with a chance of Thunderstorms in the morning, then showers with Thunderstorms likely in the afternoon.

Tuesday night - South winds 5 to 10 knots. Bay waters light chop. A slight chance of showers and Thunderstorms in the evening, then a chance of showers and Thunderstorms after midnight.

Wednesday - South winds 5 to 10 knots. Bay waters light chop. A chance of Thunderstorms. Showers.

Wednesday night - South winds 5 to 10 knots. Bay waters light chop. A chance of Thunderstorms. A chance of showers.
winds and waves higher in and near Thunderstorms.
GMZ400 205 Pm Cdt Fri Jun 13 2025

Synopsis -
widespread showers and Thunderstorms will be the main concern over the weekend and into next week. Light to moderate onshore flow will continue through at least the middle of next week.

7 Day Forecast for Marine Location Near Morgan City, LA
   
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Tide / Current for Shell Island, Louisiana
  
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Shell Island
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Fri -- 06:04 AM CDT     Sunrise
Fri -- 07:52 AM CDT     Moonset
Fri -- 09:40 AM CDT     1.69 feet High Tide
Fri -- 08:06 PM CDT     Sunset
Fri -- 10:31 PM CDT     Moonrise
Fri -- 11:40 PM CDT     -0.33 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
        
  Sorry, Shell Island, Louisiana does not exist in database. Press Edit above and select a valid nearby location.

Shell Island, Louisiana, Tide feet
12
am
-0.3
1
am
-0.2
2
am
0.1
3
am
0.3
4
am
0.6
5
am
0.9
6
am
1.2
7
am
1.4
8
am
1.6
9
am
1.7
10
am
1.7
11
am
1.6
12
pm
1.6
1
pm
1.6
2
pm
1.5
3
pm
1.5
4
pm
1.4
5
pm
1.3
6
pm
1.2
7
pm
0.9
8
pm
0.6
9
pm
0.2
10
pm
-0.1
11
pm
-0.3

Tide / Current for Point Chevreuil, Louisiana
  
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Point Chevreuil
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Fri -- 06:05 AM CDT     Sunrise
Fri -- 07:53 AM CDT     Moonset
Fri -- 09:48 AM CDT     1.69 feet High Tide
Fri -- 08:07 PM CDT     Sunset
Fri -- 10:32 PM CDT     Moonrise
Fri -- 11:25 PM CDT     -0.33 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
        
  Sorry, Point Chevreuil, Louisiana does not exist in database. Press Edit above and select a valid nearby location.

Point Chevreuil, Louisiana, Tide feet
12
am
-0.3
1
am
-0.1
2
am
0.1
3
am
0.4
4
am
0.6
5
am
0.9
6
am
1.2
7
am
1.4
8
am
1.6
9
am
1.7
10
am
1.7
11
am
1.6
12
pm
1.6
1
pm
1.6
2
pm
1.5
3
pm
1.5
4
pm
1.4
5
pm
1.3
6
pm
1.2
7
pm
0.9
8
pm
0.5
9
pm
0.2
10
pm
-0.1
11
pm
-0.3

Area Discussion for Lake Charles, LA
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FXUS64 KLCH 140001 AFDLCH

Area Forecast Discussion National Weather Service Lake Charles LA 701 PM CDT Fri Jun 13 2025

New AVIATION

KEY MESSAGES

- A Flash Flood watch has been posted for lower Southeast TX and South Central LA into Saturday evening where periods of training precipitation over saturated soils are likely to occur

- A Marginal risk of excessive rainfall has been outlined across across the forecast area

- High rain chances will persist into this weekend; slightly lower chances early to mid next week

SHORT TERM
(Tonight through Sunday night)
Issued at 140 PM CDT Fri Jun 13 2025

Active weather continues, with significant flash flooding impacting Acadiana and southwest Louisiana. Rain gauges in Lafayette, St. Martin, and Iberia Parish recorded rainfall amounts above 7 inches, with a maximum report of 8.2 inches near Broussard. Satellite and radar continue to show widespread, scattered, slow-moving storms, with the 50 dBZ located below the freezing level. These low echo centroid cells are proficient rainmakers, with radar-estimated rain rates between 1 and 3 inches per hour.

In the upper levels, a trough is located across central Texas and will slowly lift northward over the weekend. Impacts from the trough will continue to be felt through the weekend and into the start of next week, with widespread showers and thunderstorms expected each day. Heavy rainfall remains a concern on Saturday, with a Marginal Risk (level 1 of 4) Excessive Rainfall Outlook (ERO) across the region. Moisture and instability remain high, with expected PWAT values above 1.8 inches over the next several days. To put that number into context, the climatological 75th percentile is 1.78 inches. CAPE values are also high, ranging from 1,000 to 1,500 J/kg, with a "skinny CAPE" profile—an indicator that can support high rain rates in convection. As stated in the previous AFD, upshear Corfidi vectors remain low further supporting the Flash flood threat. With already soaked ground conditions, the flash flood threat will remain elevated through the weekend. Along the I-10 corridor, from Beaumont to Lafayette, multiple models show expected rainfall amounts between 1 and 3 inches over the next 24 hours. The 'reasonable worst-case' scenario, represented by the 90th percentile, suggests widespread totals of 3 to 5 inches of rain.

By Sunday, the trough will exit our area, but widespread showers and thunderstorms will persist, shifting toward conditions more favorable for airmass convection. Temperatures will remain near seasonal norms, with highs in the upper 80s to low 90s each afternoon. Persistent onshore flow will keep dew point values stuck in the mid to upper 70s through the start of next week.

LONG TERM
(Monday through next Thursday)
Issued at 140 PM CDT Fri Jun 13 2025

The unsettled pattern will continue into next week, with PoPs remaining in the forecast each afternoon for the rest of the week.
At the surface, high pressure in the Atlantic will continue pushing warm, moist air across the region. Aloft, a ridge will be situated in the desert southwest far enough away to stall the upper-level pattern but not influence our weather. A series of troughs will squeeze past the ridge, impacting our area, with widespread rain and flooding being the primary concerns. River flooding could also begin to affect the region as conditions worsen.

Near the end of the work week, the previously mentioned ridge will begin rebuilding over the central U.S., which could limit convection depending on its exact position.

AVIATION
(00Z TAFS)
Issued at 652 PM CDT Fri Jun 13 2025

Convection has largely diminished with only BPT experiencing vicinity storms. These should continue diminishing with sundown.
Areas of patchy fog may develop overnight but conditions should remain clear for the most part. A few lower clouds will be possiblethrough sunrise.

Boundary will persist over the region allowing for another round of convection from 18 to 00Z Saturday.

11/Calhoun

MARINE
Issued at 140 PM CDT Fri Jun 13 2025

Widespread showers and thunderstorms will be the main concern over the weekend and into next week. Light to moderate onshore flow will continue through at least the middle of next week.

PRELIMINARY POINT TEMPS/POPS
AEX 71 91 73 92 / 20 60 20 60 LCH 76 90 76 90 / 20 50 10 60 LFT 75 90 75 90 / 30 60 10 70 BPT 75 90 76 90 / 10 50 10 50

LCH WATCHES/WARNINGS/ADVISORIES
LA...Flood Watch through Saturday evening for LAZ033-044-045-055-073- 074-141>143-152>154-241>243-252>254.

TX...Flood Watch through Saturday evening for TXZ201-261-262-515-516- 615-616.

GM...None.


Weather Reporting Stations
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Stations Dist Age Wind AirWater WavesinHgDewPt
TESL1 - Tesoro Marine Terminal - 8764044 - Berwick, LA 2 mi56 min0G1 82°F 81°F29.96
AMRL1 - 8764227 - Amerada Pass, LA 17 mi56 minS 1.9G4.1 83°F 83°F29.96
EINL1 23 mi56 minS 8.9G12 84°F 29.9981°F
BYGL1 - 8762482 - Bayou Gauche, LA 42 mi56 min 83°F 88°F29.98


Wind History for Tesoro Marine Terminal, LA
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Airport Reports
   
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AirportDistAgeWind ktVisSkyWeatherAirDewPtRHinHg
KPTN HARRY P WILLIAMS MEMORIAL,LA 8 sm18 mincalm10 smA Few Clouds81°F79°F94%30.00

Weather Map
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GEOS Local Image of Southern Mississippi Valley  
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New Orleans/Baton Rouge, LA,





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