Tuesday, December10, 2019
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Marine Weather and Tides
Bayou L'Ourse, 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 6:45AMSunset 5:05PM Tuesday December 10, 2019 10:39 AM CST (16:39 UTC) Moonrise 4:11PMMoonset 5:08AM Illumination 98% Phase: Waxing Gibbous; Moon at 14 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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GMZ455 Coastal Waters From Lower Atchafalaya River To Intracoastal City La Out 20 Nm- 413 Am Cst Tue Dec 10 2019
.gale warning in effect from this evening through late tonight...
Today..South winds 10 to 15 knots becoming north 20 to 25 knots in the afternoon. Seas 1 to 3 feet. Patchy fog in the morning. Slight chance of Thunderstorms in the morning. Chance of rain showers through the day.
Tonight..Northeast winds 25 to 30 knots. Seas 2 to 4 feet. Rain showers likely and slight chance of Thunderstorms in the evening, then chance of rain showers after midnight.
Wednesday..Northeast winds 20 to 25 knots. Seas 2 to 4 feet. Slight chance of rain showers in the morning, then chance of rain showers in the afternoon.
Wednesday night..Northeast winds 20 to 25 knots. Seas 2 to 4 feet. Slight chance of rain showers through the night.
Thursday..Northeast winds 10 to 15 knots. Seas 1 to 3 feet. Slight chance of rain showers in the morning, then chance of rain showers in the afternoon.
Thursday night..Northeast winds 10 to 15 knots. Seas 1 foot or less. Slight chance of Thunderstorms in the evening. Chance of rain showers through the night.
Friday..Northwest winds 5 to 10 knots. Seas 1 foot or less. Chance of rain showers in the morning, then slight chance of rain showers in the afternoon.
Friday night..Northwest winds 5 to 10 knots. Seas 1 foot or less.
Saturday..West winds 5 to 10 knots. Seas 1 foot or less.
Saturday night..Northwest winds 5 to 10 knots becoming northeast after midnight. Seas 1 foot or less.
GMZ400 Synopsis For Lower Atchafalaya River La To High Island Tx Out 60 Nm Including Sabine And Calcasieu Lakes And Vermilion Bay 413 Am Cst Tue Dec 10 2019
Synopsis.. A light to modest onshore flow will prevail early this morning with a strong cold front pushing through the coastal waters during the mid to late morning. Patchy fog will be possible ahead of the front which will dissipate as the front passes through. Widespread showers will accompany the front and will continue through much of the day. Strong north winds and building seas are expected in the wake of the frontal passage. Winds and seas will subside Wednesday night into Thursday. Onshore flow becomes reestablished late Friday through the weekend ahead of the next cold front early next week.


7 Day Forecast for Marine Location Near Bayou L'Ourse, LA
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location: 29.67, -91     debug


Area Discussion for - New Orleans/Baton Rouge, LA
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FXUS64 KLIX 101544 AFDLIX

Area Forecast Discussion National Weather Service New Orleans LA 944 AM CST Tue Dec 10 2019

UPDATE. Visibilities have improved across much of the area around Lake Pontchartrain in the past couple of hours, and this warranted allowing the dense fog advisory to expire in these areas. However, dense fog continues along the Mississppi coast and coastal portions of St. Bernard and Plaquemines. This fog also perists over the adjacent coastal waters. The fog should linger through 17 or 18z before beginning to lift with the approach of a cold front. This cold front is quickly tracking to the southeast, and is now extending from Pierre Part and Donaldsonville to Mandeville and Picayune. The front will continue to march southeast over the next few hours, and should be clear of the Louisiana coast by mid- afternoon. Temperatures have been adjusted slightly to account for frontal timing, but no significant changes from the previous forecast occurred with this update. Post- frontal rain showers will spread across the entire forecast area by late afternoon, and have high rain chances peristing into the night. High end small craft advisory conditions are still expected over the coastal waters tonight.

PRELIMINARY POINT TEMPS/POPS. MCB 62 39 55 39 / 70 90 10 10 BTR 70 41 56 40 / 90 90 10 10 ASD 70 40 58 40 / 90 80 20 10 MSY 70 46 56 47 / 80 90 20 10 GPT 65 42 55 43 / 80 100 20 20 PQL 69 42 58 41 / 90 80 20 20

LIX WATCHES/WARNINGS/ADVISORIES. LA . Dense Fog Advisory until 11 AM CST this morning for LAZ069-070.

GM . Dense Fog Advisory until 11 AM CST this morning for GMZ532-534- 536-538-552-555-557.

Small Craft Advisory from 6 PM this evening to 6 AM CST Friday for GMZ552-555-557-570-572.

Small Craft Advisory from 6 PM this evening to 6 AM CST Thursday for GMZ530-532-534-536-538-550.

Small Craft Advisory from 9 PM this evening to 6 AM CST Friday for GMZ575-577.

MS . Dense Fog Advisory until 11 AM CST this morning for MSZ080>082.

GM . Dense Fog Advisory until 11 AM CST this morning for GMZ534-536- 538-552-555-557.

Small Craft Advisory from 6 PM this evening to 6 AM CST Friday for GMZ555-557-570-572.

Small Craft Advisory from 6 PM this evening to 6 AM CST Thursday for GMZ532-534-536-538-550.

Small Craft Advisory from 9 PM this evening to 6 AM CST Friday for GMZ577.




Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
TESL1 - Tesoro Marine Terminal - 8764044 - Berwick, LA 13 mi57 min S 7 G 8 71°F 52°F1016.3 hPa
AMRL1 - 8764227 - Amerada Pass, LA 23 mi57 min SSE 2.9 G 8.9 76°F 53°F1016.2 hPa
EINL1 29 mi57 min SSW 9.9 G 9.9 67°F 53°F1016.1 hPa67°F
BYGL1 - 8762482 - Bayou Gauche, LA 32 mi57 min S 8 G 11 73°F 65°F1016.8 hPa
FREL1 43 mi51 min SSW 4.1 G 8.9 75°F 1015.6 hPa
CARL1 49 mi51 min 51°F

Wind History for Tesoro Marine Terminal, LA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Patterson Memorial, LA18 mi43 minN 1010.00 miOvercast65°F62°F90%1017.1 hPa
Houma-Terrebonne Airport, LA19 mi1.9 hrsS 92.50 miFog/Mist72°F71°F100%1016.3 hPa

Link to 5 minute data for KPTN

Wind History from PTN (wind in knots)
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S14S12S10S7S9S8S8S7S7S8S7S6S6S6S6S7S5S6SW9N10
1 day agoCalm4Calm6W8SW7SW6SW4S3CalmCalmSE4SE8SE6SE5S8SE6SE4S7S8S7S6S10S9
2 days agoNE9N7N7NE5N5NE5E5E4NE5CalmCalmCalmCalmCalmCalmN4N3CalmCalmE3CalmCalmE4NE5

Tide / Current Tables for Shell Island, Louisiana
   EDIT   Weekend mode (on/off)   (on/off)   Help   One Week of Data
Shell Island
Click for Map
Tue -- 01:44 AM CST     1.24 feet High Tide
Tue -- 05:08 AM CST     Moonset
Tue -- 06:48 AM CST     Sunrise
Tue -- 07:51 AM CST     -0.19 feet Low Tide
Tue -- 04:12 PM CST     Moonrise
Tue -- 05:06 PM CST     Sunset
Tue -- 05:26 PM CST     1.43 feet High Tide
Tue -- 08:29 PM CST     1.17 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.21.21.21.10.90.50.1-0.1-0.2-0.100.20.40.711.21.41.41.41.31.21.21.21.2

Tide / Current Tables for Eugene Island, Louisiana
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Eugene Island
Click for Map
Tue -- 12:25 AM CST     1.62 feet High Tide
Tue -- 05:08 AM CST     Moonset
Tue -- 06:27 AM CST     -0.25 feet Low Tide
Tue -- 06:48 AM CST     Sunrise
Tue -- 04:07 PM CST     1.87 feet High Tide
Tue -- 04:13 PM CST     Moonrise
Tue -- 05:07 PM CST     Sunset
Tue -- 07:05 PM CST     1.54 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.61.61.410.50-0.2-0.2-0.10.10.40.71.11.41.61.81.91.81.61.51.51.61.61.6

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 (11,2,3,4)
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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.