Tuesday, September29, 2020
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Marine Weather and Tides
Hayes, 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 7:04AMSunset 7:01PM Tuesday September 29, 2020 8:41 AM CDT (13:41 UTC) Moonrise 5:16PMMoonset 3:59AM Illumination 93% 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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GMZ432 Calcasieu Lake- 717 Am Cdt Tue Sep 29 2020
Today..North winds 10 to 15 knots. Lake waters choppy.
Tonight..Northwest winds 5 to 10 knots. Lake waters a light chop.
Wednesday..West winds around 5 knots. Lake waters smooth.
Wednesday night..Southwest winds around 5 knots. Lake waters smooth.
Thursday..Northwest winds around 5 knots. Lake waters smooth.
Thursday night..Northeast winds 5 to 10 knots. Lake waters a light chop.
Friday..Northeast winds 10 to 15 knots. Lake waters choppy.
Friday night..Northeast winds around 10 knots. Lake waters a light chop.
Saturday..East winds 5 to 10 knots. Lake waters a light chop.
Saturday night..Southeast winds 5 to 10 knots. Lake waters a light chop.
GMZ400 Synopsis For Lower Atchafalaya River La To High Island Tx Out 60 Nm Including Sabine And Calcasieu Lakes And Vermilion Bay 717 Am Cdt Tue Sep 29 2020
Synopsis.. Strong northerly winds and rough seas will this morning. Offshore flow will diminish by tonight as high pressure builds over the area.


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 291138 AFDLCH

Area Forecast Discussion National Weather Service Lake Charles LA 638 AM CDT Tue Sep 29 2020

DISCUSSION. For the 09/29/20 1200 UTC TAF package.

AVIATION. Remaining mid/high level clouds finally pushing east of the Acadiana terminals, with a clear sky and VFR expected to persist all sites the rest of the forecast period. Generally N/NW SFC winds early this morning will increase and become gusty this afternoon before subsiding early evening and becoming nearly calm for the overnight period.

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PREV DISCUSSION. /issued 437 AM CDT Tue Sep 29 2020/

SYNOPSIS . Sfc high pres continues to build east acrs the region, with northerly winds ushering cooler and drier air into the region. Aloft, the mid level trough axis extends southward from the upper MS Valley toward the NW Gulf, roughly along the back edge of a band of altocu. A dry airmass on the backside of the trough will continue to spread into the region early this morning, with skies expected to clear areawide around or shortly after daybreak.

As of 4 AM, temperatures range from the upper 50s acrs interior SE TX and cntl/western LA to the lower to middle 60s south.

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DISCUSSION . Cool and dry conditions will persist for the next several days as a mid and upper trough remains over the cntl and eastern CONUS.

The sfc ridge over TX will maintain northerly winds of 5 to 15 mph with ocnl gusts to near 20 mph. Skies will be sunny, and this will help warm temperatures into the middle and upper 70s this aftn.

The sfc high will build southeast into the area through tonight, with winds expected to lighten. The combination of light winds and clear skies will produce nearly ideal radiational cooling, allowing temperatures to fall to near 50 acrs portions of cntl LA, with lower to middle 50s acrs most of the area. These temperatures are roughly 10 degrees below normal values for late September.

A slight warming trend will begin Wednesday aftn and continue into Thursday although temperatures are expected to remain below normal. This will occur in advance of a reinforcement of cool high pres into the region from Thursday night into Friday. Moisture will be meager with precip water values around 0.7 to 0.8 inches (well below the mean of 1.4 inches per SPC climatology), so no rainfall is expected.

The dry and somewhat cool pattern is expected to continue into the weekend. A gradual warming trend will develop by late in the weekend ahead of another frontal boundary sliding into the area. A modest uptick in moisture along the front could result in a few isolated showers, but most of the rain is expected to remain north and west of the CWA with PoPs less than 10 percent acrs the area. Dry and mild conditions will follow the front on Monday.

One item of note . not of any impact to the area during the fcst timeframe but of some interest . is a disturbance in the vcnty of the western Caribbean/Yucatan Peninsula that takes shape during the weekend. This area is noted on NHC's Tropical Weather Outlook, with a 50 percent chc of development within 5 days. At this time, anything that develops should stay suppressed near the Yucatan Peninsula or the Bay of Campeche, and thus no impacts to the NW Gulf are expected through the middle of next week.

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MARINE . Gusty northerly winds and rough seas will decrease through the day, with Small Craft Advisories continuing in effect through midday over the nearshore waters and through early this evening for the offshore waters. A light to moderate offshore flow will persist through the weekend. Winds and seas will briefly increase Friday in the wake of a secondary reinforcing front.

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PRELIMINARY POINT TEMPS/POPS. AEX 75 51 82 56 / 0 0 0 0 LCH 77 54 81 59 / 0 0 0 0 LFT 75 53 80 57 / 0 0 0 0 BPT 78 54 82 59 / 0 0 0 0

LCH WATCHES/WARNINGS/ADVISORIES. LA . None. TX . None. GM . Small Craft Advisory until 7 PM CDT this evening for GMZ470-472- 475.

Small Craft Exercise Caution from this evening through late tonight for GMZ470-472-475.

Small Craft Advisory until 1 PM CDT this afternoon for GMZ450- 452-455.

Small Craft Exercise Caution from 1 PM CDT this afternoon through this evening for GMZ450-452-455.

Small Craft Exercise Caution until 7 AM CDT this morning for GMZ435.



AVIATION . 04


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
LCLL1 - 8767816 - Lake Charles, LA 15 mi53 min 60°F 77°F1019.7 hPa
BKTL1 17 mi53 min 78°F
CAPL1 - 8768094 - Calcasieu Pass, LA 29 mi53 min N 13 G 15 64°F 76°F1017.7 hPa
PORT2 - 8770475 - Port Arthur, TX 52 mi53 min NW 6 G 8.9 62°F 77°F1020 hPa

Wind History for Calcasieu Pass, LA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Chenault Airpark, LA11 mi56 minN 710.00 miClear59°F51°F77%1019.6 hPa
Lake Charles Regional Airport, LA12 mi1.8 hrsN 810.00 miFair59°F51°F77%1019.6 hPa

Link to 5 minute data for KCWF

Wind History from CWF (wind in knots)
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N11N9N5N7N8N7N8N7N10N8N8N7N6NW5NW6N7
1 day agoCalmS6S6S9S12S10
G17
S11S10S9S9S8S8S8S6S4SE7E4SE7CalmSE3E4CalmCalmCalm
2 days agoE5E5SE4CalmCalmS6SW9S10S10S10S7S6S3CalmS3SE3SE3SE4S5CalmE3CalmCalmCalm

Tide / Current Tables for Mermentau River entrance, Louisiana
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Mermentau River entrance
Click for Map
Tue -- 02:38 AM CDT     2.91 feet High Tide
Tue -- 04:59 AM CDT     Moonset
Tue -- 07:04 AM CDT     Sunrise
Tue -- 09:08 AM CDT     2.18 feet Low Tide
Tue -- 01:05 PM CDT     2.81 feet High Tide
Tue -- 06:16 PM CDT     Moonrise
Tue -- 06:59 PM CDT     Sunset
Tue -- 09:01 PM CDT     0.94 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.12.62.92.92.82.72.52.32.22.22.22.42.72.82.82.62.21.91.51.210.91.11.4

Tide / Current Tables for Calcasieu Pass, Lighthouse wharf, Louisiana
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Calcasieu Pass
Click for Map
Tue -- 02:47 AM CDT     1.98 feet High Tide
Tue -- 05:00 AM CDT     Moonset
Tue -- 07:05 AM CDT     Sunrise
Tue -- 08:42 AM CDT     0.76 feet Low Tide
Tue -- 02:05 PM CDT     1.67 feet High Tide
Tue -- 06:17 PM CDT     Moonrise
Tue -- 07:00 PM CDT     Sunset
Tue -- 08:32 PM CDT     0.09 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.31.71.921.81.61.310.80.80.91.11.41.61.71.61.410.60.30.10.10.30.6

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
Ground Weather Radar Station Lake Charles, LA
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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.