Tuesday, March31, 2020
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Marine Weather and Tides
Hayes, 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 7:01AMSunset 7:32PM Tuesday March 31, 2020 11:10 AM CDT (16:10 UTC) Moonrise 10:48AMMoonset 12:19AM Illumination 51% Phase: First Quarter Moon; Moon at 7 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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GMZ432 Calcasieu Lake- 938 Am Cdt Tue Mar 31 2020
Rest of today..Northwest winds 10 to 15 knots. Lake waters choppy.
Tonight..North winds 5 to 10 knots. Lake waters a light chop.
Wednesday..East winds 5 to 10 knots. Lake waters a light chop.
Wednesday night..Southeast winds around 5 knots. Lake waters smooth.
Thursday..Southeast winds 10 to 15 knots. Lake waters choppy.
Thursday night..Southeast winds 5 to 10 knots. Lake waters a light chop. Slight chance of showers after midnight.
Friday..Southeast winds 5 to 10 knots. Lake waters a light chop. Chance of showers and slight chance of Thunderstorms.
Friday night..Southeast winds 5 to 10 knots. Lake waters a light chop. Showers likely and slight chance of Thunderstorms.
Saturday..East winds 5 to 10 knots. Lake waters a light chop. Showers likely and slight chance of Thunderstorms.
Saturday night..East winds around 5 knots. Lake waters smooth. Chance of showers and slight chance of Thunderstorms.
GMZ400 Synopsis For Lower Atchafalaya River La To High Island Tx Out 60 Nm Including Sabine And Calcasieu Lakes And Vermilion Bay 938 Am Cdt Tue Mar 31 2020
Synopsis.. A moderate northerly flow will develop today behind a cold front. These moderate offshore winds will continue into Wednesday. Onshore winds will return on Thursday as high pressure behind the cold front moves off to the east.


7 Day Forecast for Marine Location Near Hayes, LA
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location: 30.1, -93     debug


Area Discussion for - Lake Charles, LA
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FXUS64 KLCH 311508 AFDLCH

Area Forecast Discussion National Weather Service Lake Charles LA 1008 AM CDT Tue Mar 31 2020

UPDATE. Cold front as of 10 am CDT, has just moved passed KARA and extends into the Gulf about 30 miles off the southeast Texas coast. This front will continue to make steady progress out of the forecast area by afternoon. Really not much in the way of shower activity associated with the front, so have removed pops for the remainder of the day. Otherwise, looks like a breezy day as the northwest winds usher in a drier continental air mass. Looks like clouds for the most part will hang around for most of the day until a deeper northwest flow by late afternoon helps scatter out the clouds.

Only hazard for now is the winds over portions of the marine area will pick up later today that a small craft advisory will be needed for tonight.

Rua

PREV DISCUSSION. /issued 705 AM CDT Tue Mar 31 2020/

DISCUSSION . For 12z TAF issuance.

AVIATION . Local 88Ds have shown a diminishing trend to convection associated with the passing cold front/mid-level shortwave which has led to a lesser precip mention in this set of TAFs . with best chances lingering for the Acadiana terminals (although more than likely these sites will remain dry). Forecast time-height sections indicate low clouds will linger a few more hours before dry post- frontal air encroaches the region and clouds dissipate. Main issue today may be the elevated nrly winds behind the front with all sites seeing sustained speeds well over 10 knots.

25

PREV DISCUSSION . /issued 308 AM CDT Tue Mar 31 2020/

DISCUSSION . A cold front is working its way across the East Texas Lakes region this morning. The vast majority of convection associated with the boundary remains in north Louisiana, however isolated to scattered showers are also occurring along and ahead of the boundary.

Through the morning a weak area of low pressure will move east from Texas and across the lower Mississippi Valley and the associated cold front will push south and east. The front is expected to exit the area mid day to early afternoon. A secondary cold front will also pass through the region later today or this evening, but no convection is expected with this boundary. A drier and cooler air mass will filter in behind the front and through tonight with temperatures returning to more seasonable values Wednesday and Thursday.

High pressure will slip east of the region late Wednesday with moisture increasing beginning Thursday. Temperatures will again climb late in the week into the weekend. A few showers may be possible with the return flow late in the week, however the next higher chance of precip is not expected until the weekend with a cold front that will move in and stall.

MARINE . A cold front will move through the coastal waters this morning with an offshore flow increasing. Winds will increase farther tonight as a second front moves through and a portion of the gulf waters have been place under an SCA. Winds will begin to decrease after sunrise Wednesday has high pressure builds in.

The ridge will pass to the east during Wednesday with a light to moderate onshore flow expected late Wednesday through the end of the week.

PRELIMINARY POINT TEMPS/POPS. AEX 72 47 74 52 / 0 0 0 0 LCH 80 51 76 57 / 10 0 0 0 LFT 79 49 76 55 / 10 0 0 0 BPT 80 53 74 60 / 0 0 0 0

LCH WATCHES/WARNINGS/ADVISORIES. LA . None. TX . None. GM . Small Craft Advisory from 8 PM this evening to 7 AM CDT Wednesday for GMZ455-472-475.

Small Craft Exercise Caution until 8 PM CDT this evening for GMZ455-472-475.

Small Craft Exercise Caution through Wednesday morning for GMZ450-452-470.



PUBLIC . 07


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
LCLL1 - 8767816 - Lake Charles, LA 15 mi53 min 70°F 74°F1013.2 hPa
BKTL1 17 mi59 min 76°F
CAPL1 - 8768094 - Calcasieu Pass, LA 29 mi53 min NNW 19 G 23 75°F 75°F1010.6 hPa
PORT2 - 8770475 - Port Arthur, TX 52 mi53 min NNW 12 G 19 73°F 73°F1012.7 hPa

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
Chenault Airpark, LA11 mi86 minNNW 16 G 2110.00 miMostly Cloudy72°F64°F78%1012.5 hPa
Lake Charles Regional Airport, LA12 mi18 minNNW 18 miA Few Clouds and Breezy74°F60°F62%1014.2 hPa
Southland Field, LA20 mi16 minNNW 14 G 2010.00 miMostly Cloudy72°F59°F66%1014.2 hPa

Link to 5 minute data for KCWF

Wind History from CWF (wind in knots)
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1 day agoNE9E11E11
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E8E96NE6NE5NE4NE4CalmNE4NE5NE7E4E5NE5NE7E8E7E7E7E7E7
2 days agoS20
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S16S15SW14SW13S15S14S8SW8SW6NW13
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NW6NW6NW11N4N5NW3CalmN5N4CalmNE5E6NE9

Tide / Current Tables for Mermentau River entrance, Louisiana
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Mermentau River entrance
Click for Map
Tue -- 01:18 AM CDT     Moonset
Tue -- 02:12 AM CDT     0.08 feet Low Tide
Tue -- 07:02 AM CDT     Sunrise
Tue -- 11:16 AM CDT     2.44 feet High Tide
Tue -- 11:49 AM CDT     Moonrise
Tue -- 07:30 PM CDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.40.20.10.10.30.711.41.82.22.42.42.42.42.42.42.42.32.221.91.71.41.1

Tide / Current Tables for Calcasieu Pass, Lighthouse wharf, Louisiana
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Calcasieu Pass
Click for Map
Tue -- 01:20 AM CDT     Moonset
Tue -- 02:10 AM CDT     0.07 feet Low Tide
Tue -- 07:03 AM CDT     Sunrise
Tue -- 11:16 AM CDT     1.86 feet High Tide
Tue -- 11:50 AM CDT     Moonrise
Tue -- 07:31 PM CDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.30.10.10.10.30.50.81.11.41.61.81.91.81.81.71.61.51.41.41.31.31.210.8

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 Lake Charles, LA (12,3,4,5)
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Ground Weather Radar Station Lake Charles, LA
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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.