Saturday, December7, 2019
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Marine Weather and Tides
Bayou Gauche, LA

Version 3.4
NOTICE
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.
6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 6:41AMSunset 5:02PM Saturday December 7, 2019 8:31 AM CST (14:31 UTC) Moonrise 2:23PMMoonset 2:18AM Illumination 81% Phase: Waxing Gibbous; Moon at 11 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- 346 Am Cst Sat Dec 7 2019
Today..North winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Tonight..Northeast winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds.
Sunday..Northeast winds near 5 knots becoming southeast in the afternoon. Waves less than 1 foot. Dominant period 4 seconds.
Sunday night..South winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds.
Monday..Southwest winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds. Slight chance of showers in the afternoon.
Monday night..Southwest winds near 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds. Chance of showers in the evening, then showers likely after midnight.
Tuesday..Southwest winds near 10 knots becoming west late in the morning, then becoming north in the afternoon. Waves 1 foot or less. Dominant period 4 seconds. Waves building to 2 to 4 feet. Dominant period 4 seconds in the afternoon. Showers likely in the morning, then showers in the afternoon.
Tuesday night..Northeast winds 20 to 25 knots. Waves 3 to 5 feet. Dominant period 4 seconds. Showers likely in the evening, then chance of showers after midnight.
Wednesday..Northeast winds 20 to 25 knots. Waves 3 to 5 feet. Dominant period 4 seconds. Slight chance of showers through the day.
Wednesday night..Northeast winds 15 to 20 knots. Waves 3 to 5 feet. Dominant period 4 seconds.
GMZ500 Synopsis Pascagoula To Sw Pass Mississippi- Synopsis Sw Pass Mississippi River To Atchafalaya River- 346 Am Cst Sat Dec 7 2019
Synopsis..High pressure will settle over the north central gulf through the weekend. Another cold front will move through the coastal waters late Tuesday.


7 Day Forecast for Marine Location Near Bayou Gauche, LA
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location: 29.78, -90.42     debug


Area Discussion for - New Orleans/Baton Rouge, LA
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FXUS64 KLIX 070948 AFDLIX

AREA FORECAST DISCUSSION National Weather Service New Orleans LA 348 AM CST Sat Dec 7 2019

SHORT TERM. The shallow shortwave that moved through the region yesterday is quickly racing east. It does look like clouds will hang in the area for most of the day. This combined with weak cold air advection should keep temps on the cool side today. Went just below MAV guidance for highs. For precip, a few lingering offshore showers will be possible. Sunday will bring a continuation of Saturday, albeit slightly warmer. Could once again see a few lingering showers in the coastal waters as weak surface low could develop in the northeastern Gulf of Mexico.

LONG TERM. A much more amplified upper level trough will move into the midsection of the country Monday, before lifting northeast Wednesday. It will start out as 2 separate troughs, one coming out of Canada and another racing through the Desert Southwest. They will merge Tuesday, spanning across the entire eastern half of the country. A cold front associated with this feature will move through the forecast area Tuesday morning. Expecting showers ahead of, along, and post frontal. Event qpf amounts suggested by medium range models are higher than previous forecasts, but still on the relatively low side at less than an inch. POP forecast is generally a blend of those 2 models, peaking at basically 100% Tuesday. The rain should quickly exit Wednesday as the apex of the trough passes east of the region.

Below normal temperatures will dominate the rest of the week and into the weekend as the CWA generally remains under upper level trough at varying degrees. While Thursday won't see rain, models have been showing the potential for a Gulf low to develop as a southern stream trough tracks across south Texas and into the northwestern Gulf of Mexico. At the least, this would provide moderate amounts of rain over the local area.

MEFFER

AVIATION. Ceilings will slowly rise today from OVC010 to OVC020-030 today and remain that way even into Sunday. No other issues expected.

MARINE. A few locations showing fog this morning will begin to lift this morning as northerly winds rise over the nearshore waters. Winds will remain northerly around 10-15kt through today then become light and variable once again Sunday before abruptly becoming south Sunday night around 15-20kt. These conditions should hold into Monday night as another cold front approaches. Strong northerly winds and widespread showers will develop and remain through the day Tuesday evening. These conditions will be pressed south into the central gulf Wednesday night, but will rapidly move back into the area for the end of next week.

DECISION SUPPORT.

DSS code: Blue. Deployed: None. Activation: None. Activities: Forecast support to City of New Orleans

DECISION SUPPORT.

DSS code: Blue. Deployed: None. Activation: None. Activities: Forecast support to City of New Orleans

DECISION SUPPORT.

DSS code: Blue. Deployed: None. Activation: None. Activities: Forecast support to City of New Orleans

PRELIMINARY POINT TEMPS/POPS. MCB 61 50 70 53 / 0 0 0 0 BTR 62 49 72 54 / 0 0 0 0 ASD 64 49 72 52 / 0 0 10 0 MSY 63 54 71 57 / 0 0 0 0 GPT 63 52 69 55 / 10 0 10 0 PQL 66 51 72 53 / 10 0 10 10

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 1 mi50 min Calm G 4.1 58°F 62°F1022.9 hPa
CARL1 18 mi44 min 51°F
FREL1 23 mi44 min N 8 G 11 58°F 1022 hPa
NWCL1 - 8761927 - New Canal, LA 24 mi50 min N 9.9 G 12 59°F 62°F1021.9 hPa
SHBL1 - 8761305 - Shell Beach, LA 40 mi50 min NNE 9.9 G 11 60°F 63°F1022.5 hPa
GISL1 - 8761724 - Grand Isle, LA 43 mi44 min NNE 11 G 15
TESL1 - Tesoro Marine Terminal - 8764044 - Berwick, LA 44 mi50 min NNE 4.1 G 6 57°F 52°F1023.1 hPa
KXPY 47 mi17 min NE 12 63°F 61°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, New Orleans International Airport, LA16 mi39 minN 68.00 miOvercast61°F55°F84%1023.1 hPa
Houma-Terrebonne Airport, LA19 mi1.7 hrsN 107.00 miOvercast57°F55°F94%1022.3 hPa
New Orleans Naval Air Station - Alvin Callender Field, LA21 mi37 minN 59.00 miOvercast61°F57°F90%1022.3 hPa

Link to 5 minute data for KMSY

Wind History from MSY (wind in knots)
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Last 24hrS7S10S8SW9W11W8NW4NE6NE4CalmNW6N4NE6N7N7NE7N7N6N9N10N8N10N6N6
1 day agoE6E7SE7E7SE7SE8SE7SE8SE7SE7SE7SE7SE7SE3SE5SE5SE6SE5SE6SE8SE7SE5S7S8
2 days agoW7NW7N7N5N6N7N8N6N5CalmCalmCalmCalmCalmCalmCalmCalmE3CalmCalmCalmCalmCalmE4

Tide / Current Tables for Paris Road Bridge, Mississippi River Delta, Louisiana
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Paris Road Bridge
Click for Map
Sat -- 01:06 AM CST     0.61 feet High Tide
Sat -- 02:16 AM CST     Moonset
Sat -- 06:42 AM CST     Sunrise
Sat -- 11:47 AM CST     0.27 feet Low Tide
Sat -- 02:21 PM CST     Moonrise
Sat -- 04:59 PM CST     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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Tide / Current Tables for Manilla, Mississippi River Delta, Louisiana
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Manilla
Click for Map
Sat -- 02:16 AM CST     Moonset
Sat -- 06:41 AM CST     Sunrise
Sat -- 09:02 AM CST     0.24 feet Low Tide
Sat -- 02:21 PM CST     Moonrise
Sat -- 05:01 PM CST     Sunset
Sat -- 09:27 PM CST     0.65 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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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 (9,2,3,4)
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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 numerious 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.