Thursday, July2, 2020
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Marine Weather and Tides
Barataria, LA

Version 3.4
NOTICE
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.

Sunrise 6:02AMSunset 8:06PM Thursday July 2, 2020 4:24 AM CDT (09:24 UTC) Moonrise 4:51PMMoonset 2:43AM Illumination 89% Phase: Waxing Gibbous; Moon at 12 days in cycle
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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GMZ530 Lake Pontchartrain And Lake Maurepas- 331 Am Cdt Thu Jul 2 2020
Today..West winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds. Chance of showers through the day. Chance of Thunderstorms in the late morning and afternoon.
Tonight..West winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds. Chance of showers and slight chance of Thunderstorms.
Friday..West winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds. Chance of showers in the morning. Chance of Thunderstorms through the day. Showers in the afternoon.
Friday night..West winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds. Slight chance of Thunderstorms in the evening. Chance of showers through the night. Slight chance of Thunderstorms after midnight.
Saturday..West winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds. Chance of showers in the morning. Chance of Thunderstorms through the day. Showers likely in the afternoon.
Saturday night..West winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds. Slight chance of Thunderstorms early in the evening. Chance of showers through the night. Slight chance of Thunderstorms after midnight.
Sunday..West winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds. Chance of Thunderstorms in the morning. Showers likely through the day. Thunderstorms likely in the afternoon.
Sunday night..West winds near 5 knots. Waves 1 foot or less. Dominant period 4 seconds. Chance of showers and Thunderstorms.
Monday..West winds 5 to 10 knots. Waves 1 foot or less. Showers and Thunderstorms likely in the morning, then showers and Thunderstorms in the afternoon.
Monday night..West winds 5 to 10 knots. Waves less than 1 foot. Chance of showers and Thunderstorms through the night.
GMZ500 Synopsis Pascagoula To Sw Pass Mississippi- Synopsis Sw Pass Mississippi River To Atchafalaya River- 331 Am Cdt Thu Jul 2 2020
Synopsis..High pressure centered over the western atlantic and eastern gulf will remain in control of the coastal waters through tomorrow night. A weak front will stall to the north of the waters around Friday and remain in place through early next week.


7 Day Forecast for Marine Location Near Barataria, LA
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location: 29.71, -90.23     debug


Area Discussion for - New Orleans/Baton Rouge, LA
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FXUS64 KLIX 020836 AFDLIX

Area Forecast Discussion National Weather Service New Orleans LA 336 AM CDT Thu Jul 2 2020

SHORT TERM. An upper level trough will set up over us for the next few days. This trough will increase rain chances for the area, especially Friday and Saturday. Due to the slow/minimal motion of the trough, the rain that does occur has the chance to produce training rain showers and storms. This setup would allow for the potential for heavy rains/potential flooding for the next few days at least, especially with the ground already being saturated in some locations from afternoon rain showers the last couple days. Another threat could be gusty winds and frequent lightning from these storms as they move through the area, especially with the moisture presence in the atmosphere enhancing the instability. Overall, the main concern for the next few days will be the potential for heavy rainfall from these showers that form. MSW

LONG TERM. No significant changes in the extended. Models and ensembles continue to agree with a rather wet pattern remaining in place for the end of the weekend and the first half of next week. Will stick close to the NBM guidance for temps and PoPs.

As has been discussed the last few days the trough will be stuck aloft while at the sfc/LL there will be some weak bndry draped over the CWA. Again this will act as a LL focus and with the trough aloft and rich moisture in place, convection will have little problem developing each day if it ever completely dissipates overnight. The problem again is how much rain could we see and with what is being advertised this is not a welcome set up. Models seem to have trended up with the available moisture and not really hinting at drier air working back down into the region from the northwest. PW's will remain near 2" and the K index values will range from 35-40C. This will combine with no shortage of instability and possibly even subtle diffluence aloft at times. All of this would suggest a few bouts of rather efficient rain. It is the Summer and there can be these few events that really overachieve and lead to heavy rain. When everything is said and done it wouldn't be a surprised to see a chunk of the area receive 5 to 7 inches of rain with locally higher amounts possible through the entire event. This will have to be watched over the next 24 to 48 hrs to see if any flash flood watches are needed. /CAB/

AVIATION. VFR conditions will persist for a few more hours but low cigs will begin to develop around 9/10z over much of the area and could lead to MVFR cigs at a few terminals. These should improve a few hours after sunrise and then we should begin to see convection gain between 18-21z mainly east of the I-55 corridor. /CAB/

MARINE. Winds will be westerly and light (<15 knots) through next Wednesday. Wave heights will correspond to wind speeds. MSW

PRELIMINARY POINT TEMPS/POPS. MCB 92 74 91 74 / 30 50 80 40 BTR 93 76 93 74 / 30 50 80 50 ASD 92 74 92 74 / 30 50 80 50 MSY 92 77 91 76 / 30 50 80 50 GPT 91 75 89 76 / 30 50 80 50 PQL 92 73 92 74 / 30 50 80 50

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


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
BYGL1 - 8762482 - Bayou Gauche, LA 11 mi54 min 79°F 1014.4 hPa
CARL1 16 mi114 min 83°F
NWCL1 - 8761927 - New Canal, LA 23 mi54 min 80°F 1013.1 hPa
FREL1 29 mi54 min 78°F 1013.1 hPa
SHBL1 - 8761305 - Shell Beach, LA 31 mi54 min 80°F 1014 hPa
GISL1 - 8761724 - Grand Isle, LA 34 mi66 min 5.1 G 7
KXPY 41 mi24 min SW 5.1 82°F 77°F

Wind History for West Bank 1, Bayou Gauche, LA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
New Orleans Naval Air Station - Alvin Callender Field, LA13 mi30 minWSW 37.00 miFair79°F78°F97%1013.9 hPa
Galliano, South Lafourche Airport, LA18 mi49 minN 010.00 miFair79°F75°F89%1014.2 hPa
New Orleans, New Orleans International Airport, LA19 mi32 minSW 68.00 miFair81°F75°F85%1014.2 hPa

Link to 5 minute data for KNBG

Wind History from NBG (wind in knots)
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Last 24hrCalmSW4SW6SW4SW5W6W4--SW8W7NE10NE6NE7S6SW5SW5SW5W4W4----Calm--W3
1 day ago--CalmCalmCalmSW3W5SW6S6SW6S9S7S9--SW10--SW10S5SW4SW5SW3--SW5SW4SW3
2 days agoS3CalmCalmS7SW8SW11S10S10S11S10S14S10S11S11
G18
S9S64SW3SW3SW4CalmCalmSW3Calm

Tide / Current Tables for Manilla, Mississippi River Delta, Louisiana
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Manilla
Click for Map
Thu -- 03:42 AM CDT     Moonset
Thu -- 06:04 AM CDT     Sunrise
Thu -- 09:58 AM CDT     1.31 feet High Tide
Thu -- 05:49 PM CDT     Moonrise
Thu -- 08:03 PM CDT     Sunset
Thu -- 10:51 PM CDT     -0.26 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.100.20.30.50.70.911.21.31.31.31.21.110.80.60.40.20-0.1-0.2-0.2-0.3

Tide / Current Tables for Paris Road Bridge, Mississippi River Delta, Louisiana
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Paris Road Bridge
Click for Map
Thu -- 12:54 AM CDT     -0.15 feet Low Tide
Thu -- 03:41 AM CDT     Moonset
Thu -- 06:02 AM CDT     Sunrise
Thu -- 01:19 PM CDT     1.45 feet High Tide
Thu -- 05:50 PM CDT     Moonrise
Thu -- 08:04 PM CDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.1-0.2-0.1-00.10.20.40.60.70.91.11.31.41.41.41.41.31.10.90.70.40.20-0.1

Weather Map
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wmap_A
GEOS Local Image of    EDIT
NOTE: East coast views moved to GEOS-16. They are experimental and not well supported by NOAA so they may not be correct so be warned. This change required redoing a large amount of the GOES code. If the image you are expecting is not showing, please let me know. You may need to use the EDIT function to update your location.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for New Orleans/Baton Rouge, LA (5,6,7,8)
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Ground Weather Radar Station New Orleans/Baton Rouge, LA
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weather_mapweather_map weather_map

Gulf Stream Current


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Disclaimer:
The information on this web site has not been checked for accuracy. It is for entertainment purposes only and should be independently verified before using for any other reason. There are five sources. 1) Documents and manuals from a variety of sources. These have not been checked for accuracy and in many cases have not even been read by anyone associated with L-36.com. I have no idea of they are useful or accurate, I leave that to the reader. 2) Articles others have written and submitted. If you have questions on these, please contact the author. 3) Articles that represent my personal opinions. These are intended to promote thought and for entertainment. These are not intended to be fact, they are my opinions. 4) Small programs that generate result presented on a web page. Like any computer program, these may and in some cases do have errors. Almost all of these also make simplifying assumptions so they are not totally accurate even if there are no errors. Please verify all results. 5) Weather information is from numerous of sources and is presented automatically. It is not checked for accuracy either by anyone at L-36.com or by the source which is typically the US Government. See the NOAA web site for their disclaimer. Finally, tide and current data on this site is from 2007 and 2008 data bases, which may contain even older data. Changes in harbors due to building or dredging change tides and currents and for that reason many of the locations presented are no longer supported by newer data bases. For example, there is very little tidal current data in newer data bases so current data is likely wrong to some extent. This data is NOT FOR NAVIGATION. See the XTide disclaimer for details. In addition, tide and current are influenced by storms, river flow, and other factors beyond the ability of any predictive program.