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Marine Weather and Tide Forecast for Slaughter, LA


April 15, 2026 5:59 PM CDT (22:59 UTC)
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Sunrise 6:36 AM   Sunset 7:31 PM
Moonrise 4:17 AM   Moonset 4:52 PM 
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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. If your report is out of date, please click Edit
GMZ530 Lake Pontchartrain And Lake Maurepas- 537 Pm Cdt Wed Apr 15 2026

Tonight - South winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Waves around 2 feet this evening, then 1 foot or less.

Thursday - Southeast winds 5 to 10 knots. Waves 1 foot or less, then around 2 feet in the afternoon.

Thursday night - South winds 5 to 10 knots, diminishing to around 5 knots after midnight. Waves around 2 feet in the evening, then 1 foot or less.

Friday - South winds around 5 knots, becoming southeast 10 to 15 knots in the afternoon. Waves 1 foot or less, then around 2 feet in the afternoon.

Friday night - South winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Waves 2 to 3 feet.

Saturday - South winds 5 to 10 knots. Waves 1 foot or less, then around 2 feet in the afternoon.

Saturday night - South winds 10 to 15 knots, becoming northwest 15 to 20 knots with gusts up to 25 knots after midnight. Waves 2 to 4 feet. A slight chance of showers in the evening, then a chance of showers with a slight chance of Thunderstorms after midnight.

Sunday - North winds 20 to 25 knots, becoming northeast 15 to 20 knots in the afternoon. Waves 3 to 5 feet. A slight chance of showers and Thunderstorms in the morning.

Sunday night - Northeast winds 15 to 20 knots. Waves 3 to 4 feet.

Monday - Northeast winds 15 to 20 knots, becoming east 10 to 15 knots in the afternoon. Waves 2 to 4 feet.

Monday night - East winds 10 to 15 knots. Waves 2 to 3 feet.
winds and waves higher in and near Thunderstorms.
GMZ500 537 Pm Cdt Wed Apr 15 2026

Synopsis for pascagoula to atchafalaya river out 60 nm -
strong surface high pressure from the northeast gulf into the atlantic continues to produce a light to moderate easterly to southeasterly fetch at 10 to 15 kt over the northern gulf. Onshore flow will continue through at least Saturday with the potential for offshore flow from a cold front coming on Sunday into early next week where more hazardous marine conditions may develop leading to cautionary headlines or even small craft advisories.

7 Day Forecast for Marine Location Near Slaughter, LA
   
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Tide / Current for Tchefuncta River, Lake Pontchartrain, Louisiana
  
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Tchefuncta River
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Wed -- 03:11 AM CDT     0.26 feet Low Tide
Wed -- 05:14 AM CDT     Moonrise
Wed -- 06:33 AM CDT     Sunrise
Wed -- 09:03 AM CDT     0.38 feet High Tide
Wed -- 03:37 PM CDT     0.29 feet Low Tide
Wed -- 05:48 PM CDT     Moonset
Wed -- 07:28 PM CDT     Sunset
Wed -- 08:30 PM CDT     0.38 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
        
  Sorry, Tchefuncta River, Lake Pontchartrain, Louisiana does not exist in database. Press Edit above and select a valid nearby location.

Tchefuncta River, Lake Pontchartrain, Louisiana, Tide feet
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Tide / Current for East Bank 1, Norco, Bayou LaBranche, Louisiana
  
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East Bank 1
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Wed -- 01:29 AM CDT     0.20 feet Low Tide
Wed -- 05:15 AM CDT     Moonrise
Wed -- 06:34 AM CDT     Sunrise
Wed -- 07:11 AM CDT     0.24 feet High Tide
Wed -- 01:00 PM CDT     0.19 feet Low Tide
Wed -- 05:49 PM CDT     Moonset
Wed -- 07:28 PM CDT     Sunset
Wed -- 07:43 PM CDT     0.28 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
        
  Sorry, East Bank 1, Norco, Bayou LaBranche, Louisiana does not exist in database. Press Edit above and select a valid nearby location.

East Bank 1, Norco, Bayou LaBranche, Louisiana, Tide feet
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Area Discussion for New Orleans/Baton Rouge, LA
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NOTE: mouseover dotted underlined text for definition
FXUS64 KLIX 151630 AFDLIX

Area Forecast Discussion National Weather Service New Orleans LA 1130 AM CDT Wed Apr 15 2026

New SHORT TERM, LONG TERM, AVIATION, MARINE

KEY MESSAGES
Updated at 1126 AM CDT Wed Apr 15 2026

- Sun and temperature related health risks will be the primary concern with sunny skies and warm temperatures on tap through much of the week. Make sure to use sunscreen and drink plenty of water if you intend to be outside enjoying activities like sports and festivals.

- Patch dense fog is possible during the early morning hours tomorrow through midmorning. Visibilities should be greater than 1 SM, so a dense fog advisory has not been issued.

SHORT TERM
(Now through Thursday)
Issued at 1126 AM CDT Wed Apr 15 2026

High pressure continues to build over the region for the next few days through Saturday. Little rain is expected with this pattern, looking at the models. A stray shower or two is possible in afternoons, but won't likely have any appreciable rainfall. Onshore southerly flow will help to advect warmer and more humid air into the region as well during this time. As a result, temperatures will be quite warm with highs in the mid 80s for the end of the workweek with some locations approaching 90 degrees.
Since this is the first big warm spell we have had, make sure to stay hydrated if you will be spending time outdoors in the next few days. MSW

LONG TERM
(Thursday night through Tuesday)
Issued at 1126 AM CDT Wed Apr 15 2026

Saturday night into Sunday morning, a frontal system will progress through the area, enhancing rain chances. Looking at the latest model trends, this system is expected to be weakening as it approaches and pushes through the area. Depending on how this trend changes or continues, rainfall could be a little less than we are expecting at the current time. Regardless, scattered showers and storms will be expected as the front moves through the area.
Currently, given high PWs (1.4-1.6 inches) with limited lifting, strong storms will be possible with gusty winds (40-60mph), but severe weather is not expected. This could change as we get closer to the weekend, and we will continue to monitor this system.

Temperatures will be quite a bit cooler and drier on the backside of the system Sunday through the beginning of the workweek. No rainfall is expected Sunday after the front through at least Tuesday. High temperatures will be in the low 70s for the beginning of next week.
One potential concern especially Monday will be the chance for elevated fire weather concerns. Relative humidities will be in the low to upper 20s, so depending on the winds, we will need to be on the lookout for critical fire conditions as we get closer to the end of the weekend. MSW

AVIATION
(18Z TAFS)
Issued at 1126 AM CDT Wed Apr 15 2026

VFR conditions prevail at all area airports and will persist through the forecast period for most area airports. For some airports (BTR, MCB, HDC), MVFR conditions will be forecast around daybreak due to fog conditions and these conditions will improve to VFR by midmorning. MSW

MARINE
Issued at 1126 AM CDT Wed Apr 15 2026

Strong surface high pressure from the northeast gulf into the Atlantic continues to produce a light to moderate easterly to southeasterly fetch at 10 to 15 kt over the northern Gulf. Onshore flow will continue through at least Saturday with the potential for offshore flow from a cold front coming on Sunday into early next week where more hazardous marine conditions may develop leading to cautionary headlines or even Small Craft Advisories.

LIX WATCHES/WARNINGS/ADVISORIES
LA...None.
GM...None.
MS...None.
GM...None.


Weather Reporting Stations
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Wind History for New Canal Station, LA
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Airport Reports
   
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AirportDistAgeWind ktVisSkyWeatherAirDewPtRHinHg
KBTR BATON ROUGE METROPOLITAN, RYAN FIELD,LA 14 sm6 minSE 1010 smOvercast79°F64°F61%30.03

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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