Monday, January18, 2021
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Marine Weather and Tides
Lake Arthur, LA

Version 3.4
NOTICE
8/26/2020 The 7 day forecast is taking about 5 seconds to load but it will eventually load. NOAA is still working on it.
8/18/2020 NOAA continues to have trouble. Wind guest will occasionally be left off graphs. I am working with NOAA to resolve the issue.
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 7:07AMSunset 5:38PM Monday January 18, 2021 7:29 PM CST (01:29 UTC) Moonrise 10:51AMMoonset 11:04PM Illumination 31% Phase: Waxing Crescent; Moon at 6 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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GMZ452 Coastal Waters From Intracoastal City To Cameron La Out 20 Nm- 323 Pm Cst Mon Jan 18 2021
Tonight..Southeast winds 10 to 15 knots. Seas 1 to 3 feet.
Tuesday..Southeast winds 5 to 10 knots. Seas 2 to 4 feet.
Tuesday night..East winds 5 to 10 knots. Seas 1 to 3 feet.
Wednesday..East winds 5 to 10 knots. Seas 1 to 3 feet.
Wednesday night..South winds 5 to 10 knots. Seas 1 to 3 feet.
Thursday..Southwest winds around 10 knots. Seas 2 to 4 feet. Slight chance of rain showers in the afternoon.
Thursday night..South winds 5 to 10 knots. Seas 2 to 4 feet. Chance of showers.
Friday..Southwest winds 5 to 10 knots. Seas 2 to 4 feet. Chance of showers.
Friday night..South winds 5 to 10 knots becoming east after midnight. Seas 2 to 4 feet. Slight chance of rain showers.
Saturday..East winds 5 to 10 knots. Seas 2 to 4 feet.
Saturday night..Southeast winds 5 to 10 knots. Seas 2 to 4 feet.
GMZ400 Synopsis For Lower Atchafalaya River La To High Island Tx Out 60 Nm Including Sabine And Calcasieu Lakes And Vermilion Bay 323 Pm Cst Mon Jan 18 2021
Synopsis.. Light to moderate onshore flow is expected through late Tuesday. A weak front will move into the coastal waters early Wednesday, but wash out by afternoon. The onshore flow will resume Wednesday afternoon through Friday with sea fog being possible by Thursday.


7 Day Forecast for Marine Location Near Lake Arthur, LA
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location: 29.73, -92.82     debug


Area Discussion for - Lake Charles, LA
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FXUS64 KLCH 182348 AFDLCH

Area Forecast Discussion National Weather Service Lake Charles LA 548 PM CST Mon Jan 18 2021

DISCUSSION. 19/00Z TAF Issuance.

AVIATION. VFR conditions areawide as SC/AC spread into the region from the west. No significant impacts to aviation are expected as SCT/BKN clouds based around 4000 to 6000 FT linger overnight and into the day Tuesday. S-SE winds 5-12 KT will diminish slightly and back to the E overnight. SE winds will resume by 16-17Z Tuesday, strengthening to 10-15 KT. A cold front will settle toward cntl LA Tuesday aftn with winds trending lighter and more vrbl at AEX, but any -SHRA should remain north of the area.

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PREV DISCUSSION. /issued 411 PM CST Mon Jan 18 2021/

DISCUSSION . High pressure over the gulf steadily drifting off to the east as southeasterly winds stream low level moisture into the region. Cloud cover out to the west has quickly spread into SETX and SWLA. Dry and quiet conditions will end overnight into tomorrow morning for the northern edge of the CWA ahead of an approaching front. POPs tonight and tomorrow remain isolated over ETX and CenLA with low to no POPs further south. The rest of the forecast period is filled with dismal weather brought about by multiple disturbances. Temperatures have already started a warming trend with highs in the mid 70s expected. Tomorrow night into Wednesday will be relatively dry but dreary. Early Thursday, showers are expected to be widespread across the CWA. Due to it being a few days out, sea fog was omitted from the grids, however it is likely to experience this over coastal SETX and SWLA. Dewpoints over the coast will be in the 60s with water temps in the 50s. This will be monitored as the event nears. POPs will briefly go back to isolated over the weekend before ramping back up early next week.

MARINE .

Light to moderate onshore flow is expected through late Tuesday. A weak front will move into the coastal waters early Wednesday, but wash out by afternoon. The onshore flow will resume Wednesday afternoon through Friday with sea fog being possible by Thursday. The 20-60nm zones will see seas 3-4ft.

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PRELIMINARY POINT TEMPS/POPS. AEX 45 69 46 63 / 0 20 20 10 LCH 51 71 51 67 / 0 0 10 10 LFT 48 73 51 69 / 0 0 10 10 BPT 55 72 53 68 / 0 10 10 10

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

AVIATION . 24


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
CAPL1 - 8768094 - Calcasieu Pass, LA 28 mi60 min SE 14 G 17 55°F 53°F1017.1 hPa
FRWL1 - 8766072 - Fresh Water Canal Locks, LA 30 mi60 min ENE 8 G 9.9
LCLL1 - 8767816 - Lake Charles, LA 40 mi60 min 55°F 51°F1019.5 hPa
BKTL1 41 mi60 min 55°F

Wind History for Calcasieu Pass, LA
(wind in knots)    EDIT      (on/off)   Help
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure

Link to 5 minute data for KCMB

Wind History from CMB (wind in knots)
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Last 24hrW8W7SW7SW7W7SW8SW8S8SW10SW9S10SW13SW13SW13SW13SW11S14SW15SW15SW13SW11SW15SW12SW10
1 day agoW13W11NW7NW6SW8SW8SW7SW7SW10SW10SW12SW13SW14SW13SW13SW15SW12SW16SW14SW12SW11SW10W12W11
2 days agoW13W12W12W9W9W9W10SW10SW11SW11SW12SW13SW13SW14SW13SW14SW15SW15SW13SW13W13W13W12W14

Tide / Current Tables for Mermentau River entrance, Louisiana
   EDIT   Weekend mode (on/off)   (on/off)   Help   One Week of Data
Mermentau River entrance
Click for Map
Mon -- 01:26 AM CST     0.77 feet Low Tide
Mon -- 05:13 AM CST     1.05 feet High Tide
Mon -- 07:07 AM CST     Sunrise
Mon -- 10:51 AM CST     Moonrise
Mon -- 12:37 PM CST     -0.07 feet Low Tide
Mon -- 05:38 PM CST     Sunset
Mon -- 07:03 PM CST     1.30 feet High Tide
Mon -- 11:05 PM CST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.80.80.80.91110.90.70.50.20.1-0.1-0.10.10.30.60.91.21.31.21.10.90.7

Tide / Current Tables for Calcasieu Pass, Lighthouse wharf, Louisiana
   EDIT      (on/off)   Help   One Week of Data
Calcasieu Pass
Click for Map
Mon -- 12:59 AM CST     0.96 feet Low Tide
Mon -- 05:44 AM CST     1.31 feet High Tide
Mon -- 07:08 AM CST     Sunrise
Mon -- 10:52 AM CST     Moonrise
Mon -- 12:10 PM CST     0.50 feet Low Tide
Mon -- 05:39 PM CST     Sunset
Mon -- 07:16 PM CST     1.66 feet High Tide
Mon -- 11:06 PM CST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1111.11.21.31.31.21.10.90.70.60.50.50.70.91.21.41.61.71.61.51.31.1

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
Ground Weather Radar Station



Gulf Stream Current



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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.