Bayou Vista, LA Marine Weather and Tide Forecast
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Marine Weather and Tide Forecast for Bayou Vista, LA

April 19, 2024 4:46 PM CDT (21:46 UTC) Change Location
Sunrise 6:30 AM   Sunset 7:33 PM
Moonrise 3:02 PM   Moonset 3:27 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.

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Marine Forecasts
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GMZ436 Atchafalaya And East Cote Blanche Bays- 256 Pm Cdt Fri Apr 19 2024

Tonight - Southeast winds around 5 knots. Bay and inland waters smooth. Patchy fog late.

Saturday - Southeast winds around 5 knots, becoming south in the afternoon. Bay and inland waters light chop. Patchy fog in the morning.

Saturday night - Southeast winds around 5 knots, becoming northeast around 5 knots after midnight. Bay and inland waters smooth. Showers likely with a chance of Thunderstorms after midnight.

Sunday - Northeast winds 5 to 10 knots, becoming north 10 to 15 knots with gusts up to 20 knots in the afternoon. Bay and inland waters choppy. A chance of Thunderstorms. Showers, mainly in the morning.

Sunday night - Northeast winds 10 to 15 knots. Bay and inland waters choppy.

Monday - Northeast winds 10 to 15 knots with gusts up to 20 knots, diminishing to 5 to 10 knots in the afternoon. Bay and inland waters choppy.

Monday night - East winds 5 to 10 knots. Bay and inland waters light chop.

Tuesday - East winds 5 to 10 knots, becoming southeast in the afternoon. Bay and inland waters light chop.

Tuesday night - Southeast winds 5 to 10 knots. Bay and inland waters light chop.

Wednesday - East winds 5 to 10 knots, becoming southeast in the afternoon. Bay and inland waters light chop.

Wednesday night - Southeast winds 5 to 10 knots. Bay and inland waters light chop.
winds and waves higher in and near Thunderstorms.

GMZ400 256 Pm Cdt Fri Apr 19 2024

Synopsis - Generally light onshore flow will continue through tonight. A weak front will stall over the region by Saturday, with winds remaining southeast to east. Shower activity will increase late Saturday into early Sunday as a disturbance aloft moves into the area, while the front moves south across the coastal waters. Modest to strong offshore winds will develop in its wake Sunday morning and continue into early Monday before diminishing.


7 Day Forecast for Marine Location Near Bayou Vista, LA
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Area Discussion for - Lake Charles, LA
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FXUS64 KLCH 192039 AFDLCH

Area Forecast Discussion National Weather Service Lake Charles LA 339 PM CDT Fri Apr 19 2024

New SHORT TERM, LONG TERM, MARINE

SHORT TERM
(Tonight through Sunday night)
Issued at 335 PM CDT Fri Apr 19 2024

A warm and humid end to the work week is ongoing across the forecast area this afternoon, with temperatures currently ranging from the lower 80s near the coast to the mid to upper 80s further inland, while dewpoints are in the mid 60s to mid 70s. Skies are partly to mostly cloudy at this time, while area radar is quiet apart from some very light echoes on our western edge. Could see a few more of these very light echoes developing and spreading eastward into the forecast are over the next few hours, but for the most part dry weather should continue into this evening.
Tonight, warm and humid conditions will persist, with lows only expected to fall into the mid to upper 60s, which is around 5 to 10 degrees above climo norms.

Afternoon surface analysis shows a cold front draped from the eastern Great Lakes region to the Rio Grande Valley, with the boundary moving through the Ark-La-Tex region over the last few hours. This front is expected to continue its slow southeastward progression over the next few hours, before eventually becoming stalled across CENLA as the boundary becomes oriented parallel to the flow aloft. Initially this front is not expected to be accompanied by much precipitation due to decent capping as well as dry air in the mid-levels however, a few showers cannot be ruled out tonight especially for CENLA, as ample moisture will be available overhead.

Moisture will continue to pool overhead tomorrow along and south of the boundary, with PWATs progged to increase into the 1.6-1.8" range by the late afternoon/evening hours. Rain chances will remain fairly minimal throughout tomorrow morning as capping remains in place, before increasing by the late afternoon into the overnight period as a shortwave aloft slides overhead from the west. The combination of this shortwave, the frontal boundary, and the excessive moisture overhead will result in widespread heavy rainfall beginning tomorrow late afternoon/evening and continuing through Sunday morning. Thunderstorm potential looks fairly minimal, with the main threat/concern looking to be heavy rain which could lead to localized flooding. WPC has outlined a good bit of our SE TX counties as well as our northern most LA parishes in a Marginal Risk for Excessive Rainfall tomorrow, while our south-central LA parishes have been included in the Marginal Risk for Sunday.

The stalled front eventually gets a push southeastward by early Sunday thanks to the passing shortwave, which will bring a much cooler airmass into the region for the second half of the weekend. Overnight lows tomorrow/Sun morning will fall into the low 50s inland to mid/upper 50s near the coast, which is just slightly below seasonal norms. On Sunday, daytime highs will be well below normal as the combination of CAA, lingering shower activity, and post-frontal cloud cover hinder warming, with highs only expected to top out in the low to mid 60s. Lingering precip behind the front will gradually taper off west to east through Sunday morning, while cloud cover will likely hang around into the evening hours until high pressure starts to build overhead from the north. Sunday night then brings the coldest temps of the forecast period, with lows in the low 40s to low 50s expected.

17

LONG TERM
(Monday through next Thursday)
Issued at 335 PM CDT Fri Apr 19 2024

By the beginning of the work week and this long term period, the cold front will be well off to the east of us with a high pressure off to the north and west building into the area. Great weather conditions will stay for this one day with sunny skies, light northerly winds, highs in the 70s, and lows in the 40s~50s.

Going into Tuesday flow aloft will be out of the WNW and the surface high pressure will move off to the east of the area. The rest of the long term will see a warming and moistening trend. Highs on Tuesday will be back in the upper 70s to lower 80s with lows in the 50s to 60s, with the rest of the days in the long term seeing a daily 2-4 degree increase. Dewpoints will make it back into the 60s, leading to more humid conditions.

As far as precip goes, we will stay on the dry side for a majority of the period. There is an outside chance of seeing some isolated showers and storms as a series of weak shortwaves move through, however PoPs at the most range from 10-20 percent.

Stigger/87

AVIATION
(18Z TAFS)
Issued at 1218 PM CDT Fri Apr 19 2024

A mix of MVFR and VFR ceilings along with light winds will continue through the afternoon and into tonight. From midnight through early tomorrow morning patchy fog is expected to develop along and south of I-10. Most guidance keeps the I-10 terminals around 3-5SM through this period however, some guidance does plummet further especially at LCH and BPT so that will be something to keep an eye on. At the same time, ceilings are expected to become IFR to MVFR. Fog will burn off post sunrise tomorrow and ceilings will become MVFR area-wide through the mid to late morning hours.

17

MARINE
Issued at 335 PM CDT Fri Apr 19 2024

Generally light onshore flow will continue through tonight. A weak front will stall over the region by Saturday, with winds remaining southeast to east. Shower activity will increase late Saturday into early Sunday as a disturbance aloft moves into the area, while the front moves south across the coastal waters. Modest to strong offshore winds will develop in its wake Sunday morning and continue into early Monday before diminishing.



PRELIMINARY POINT TEMPS/POPS
AEX 63 71 49 63 / 30 30 80 40 LCH 69 83 56 66 / 0 20 70 40 LFT 69 84 58 66 / 10 20 70 60 BPT 69 83 57 67 / 10 20 70 30

LCH WATCHES/WARNINGS/ADVISORIES
LA...None.
TX...None.
GM...None.




Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesinHgDewPt
TESL1 - Tesoro Marine Terminal - 8764044 - Berwick, LA 0 mi47 min SSW 9.9G14 80°F 69°F30.04
AMRL1 - 8764227 - Amerada Pass, LA 16 mi47 min S 5.1G8.9 71°F30.03
EINL1 22 mi47 min S 8G8.9 77°F 69°F30.0372°F
BYGL1 - 8762482 - Bayou Gauche, LA 44 mi47 min 82°F 79°F30.02


Wind History for Tesoro Marine Terminal, LA
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherTempDewPtRHinHg
KPTN HARRY P WILLIAMS MEMORIAL,LA 6 sm33 minSW 1010 smPartly Cloudy81°F73°F79%30.02
Link to 5 minute data for KPTN


Wind History from PTN
(wind in knots)
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Tide / Current for Shell Island, Louisiana
   
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Shell Island
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Fri -- 02:36 AM CDT     1.31 feet High Tide
Fri -- 04:27 AM CDT     Moonset
Fri -- 06:34 AM CDT     Sunrise
Fri -- 08:08 AM CDT     0.47 feet Low Tide
Fri -- 04:02 PM CDT     Moonrise
Fri -- 04:11 PM CDT     1.30 feet High Tide
Fri -- 07:34 PM CDT     Sunset
Fri -- 08:26 PM CDT     0.84 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Shell Island, Louisiana, Tide feet
12
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11
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1



Tide / Current for Point Chevreuil, Louisiana
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Point Chevreuil
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Fri -- 02:44 AM CDT     1.31 feet High Tide
Fri -- 04:28 AM CDT     Moonset
Fri -- 06:35 AM CDT     Sunrise
Fri -- 07:53 AM CDT     0.47 feet Low Tide
Fri -- 04:03 PM CDT     Moonrise
Fri -- 04:19 PM CDT     1.30 feet High Tide
Fri -- 07:35 PM CDT     Sunset
Fri -- 08:11 PM CDT     0.84 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Point Chevreuil, Louisiana, Tide feet
12
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0.7
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11
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1




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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