Friday, March24, 2017 L-36.com


Marine Weather and Tides
Port Arthur, TX

Version 3.4
What's New / NOTES
5/19/2016 - There were issues with the 3 day airport observation history. I switched to another data source. Let me know if you see any issues with the data feeds.
3/12/2015 - Added section for Gulf current for users in the GMZ marine zones.
This was requested by a user. If you have requests, please let me know.

Sunrise 7:13AMSunset 7:30PM Thursday March 23, 2017 11:22 PM CDT (04:22 UTC) Moonrise 3:13AMMoonset 2:16PM Illumination 12% Phase: Waning Crescent; Moon at 26 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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GMZ430 Sabine Lake- 959 Pm Cdt Thu Mar 23 2017
.small craft exercise caution in effect from 1 am cdt Friday through Friday afternoon...
Tonight..Southeast winds 15 to 20 knots. Lake waters rough.
Friday..South winds 15 to 20 knots. Lake waters rough. Slight chance of showers and Thunderstorms in the afternoon.
Friday night..South winds 15 to 20 knots. Lake waters rough. Showers and Thunderstorms likely.
Saturday..Southwest winds 10 to 15 knots. Lake waters choppy. Slight chance of showers and Thunderstorms.
Saturday night..Southwest winds 5 to 10 knots. Lake waters a light chop.
Sunday..South winds 10 to 15 knots. Lake waters choppy.
Sunday night..South winds 10 to 15 knots. Lake waters choppy.
Monday..South winds 10 to 15 knots. Lake waters choppy. Chance of showers and Thunderstorms.
Monday night..Southeast winds 5 to 10 knots. Lake waters a light chop.
Tuesday..Southeast winds 5 to 10 knots. Lake waters a light chop. Slight chance of showers and Thunderstorms.
Tuesday 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 959 Pm Cdt Thu Mar 23 2017
Synopsis.. Winds and seas will increase on tonight into Friday in advance of an approaching low pressure system. This area of low pressure is expected to produce showers and Thunderstorms that will move through the coastal waters Friday evening through Saturday. Winds will decrease on Saturday as the low moves away from the region.

7 Day Forecast for Marine Location Near Port Arthur, TX
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location: 29.77, -93.9     debug


Area Discussion for - Lake Charles, LA
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Fxus64 klch 240257
afdlch
area forecast discussion
national weather service lake charles la
957 pm cdt Thu mar 23 2017

Discussion 850 mb winds progged to slip into LLJ criteria as
the night progresses across the area with the eastward advance of
south plains cyclone. Low level moisture will be on the increase
with the uptick of low level southerly winds resulting in stratus
development, but winds will be sufficiently strong to keep clouds
elevated. Thus fog not expected. Forecast looks good and no
changes coming.

Prev discussion /issued 700 pm cdt Thu mar 23 2017/
discussion...

for 00z TAF issuance.

Aviation...

satellite imagery shows afternoon CU has mostly dissipated as
heating wanes. With good low-level moisture in place, expecting
lower ceilings to develop later tonight as cooling takes place and
the nocturnal inversion develops. Not expecting much in the way of
restrictions to visibility though as winds should stay up thanks
to increasing low-level jetting off the sfc. Conditions should
eventually becomeVFR tomorrow once heating commences... Main
aviation issue will be the strong srly winds as the elevated winds
aloft mix down.

25
prev discussion... /issued 404 pm cdt Thu mar 23 2017/
discussion...

areas of fog burned off this morning as drier air pushed in from
the east. Skies cleared by the late morning hours as temperatures
soared into the low to mid 80s.

Look for the lowest temperatures this evening before the winds
begin to pick up a bit dragging the higher dew points in the
coastal waters on shore and into southeast texas and southern
louisiana overnight. Not looking for any fog as winds will remain
up enough to provide mixing.

The upper level system that we have been watching for the last
few days will move out of the rockies as a cold front pushes into
west texas tonight. This system will move eastward during the day
as the region will remain in the warm slot. With diurnal heating
and instability tomorrow look for storms late in the day. Storms
will continue through the overnight hours. There is a chance that
some storms may become severe. The main threat will be straight
line winds. Rainfall totals are expected around 1/2 of an inch.

Rains ending during the late morning hours Saturday as drier air
pushes in. Sunday looks dry but storms will return on Monday as
the next system pushes into our region.

Preliminary point temps/pops
Aex 63 80 64 81 / 10 20 80 30
lch 64 81 67 81 / 10 20 70 30
lft 64 81 68 82 / 10 20 70 50
bpt 65 81 67 81 / 10 20 70 20

Lch watches/warnings/advisories
La... None.

Tx... None.

Gm... Small craft advisory from 1 am to 1 pm cdt Friday for gmz470-472-
475.

Small craft exercise caution until 1 am cdt Friday for gmz470-
472-475.

Small craft exercise caution from 1 am cdt Friday through Friday
afternoon for gmz430-432-435.

Small craft exercise caution through Friday afternoon for gmz450-
452-455.

Public... 23


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
SBPT2 - 8770570 - Sabine Pass North, TX 3 mi52 min SSE 13 G 19 71°F 73°F1020.7 hPa
TXPT2 6 mi52 min SSE 19 G 23 71°F 72°F1019.5 hPa
PORT2 - 8770475 - Port Arthur, TX 7 mi52 min SSE 8 G 14 71°F1019.5 hPa
SRST2 - Sabine Pass, TX 9 mi82 min SSE 13 G 16 71°F 1019.8 hPa (+0.3)67°F
KVBS 24 mi67 min SSW 13 G 21 72°F 68°F
HIST2 29 mi52 min SSE 8.9 G 12 71°F 76°F1019.1 hPa
CAPL1 - 8768094 - Calcasieu Pass, LA 30 mi52 min S 18 G 21 71°F 73°F
KCVW 32 mi37 min SSE 16 G 23 72°F 66°F
BKTL1 43 mi52 min 73°F
42035 - GALVESTON 22NM East of Galveston, TX 46 mi92 min SSE 18 G 21 72°F 72°F4 ft1018.4 hPa (-0.0)67°F
LCLL1 - 8767816 - Lake Charles, LA 48 mi52 min 68°F 71°F1020 hPa

Wind History for Sabine Pass North, TX
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Beaumont/Port Arthur Southeast Texas Regional Airport, TX14 mi29 minSSE 1110.00 miMostly Cloudy70°F64°F82%1019 hPa
Orange, Orange County Airport, TX21 mi27 minS 610.00 miPartly Cloudy69°F65°F88%1020 hPa
SABINE 13B OIL PLATFORM, LA24 mi67 minSSW 13 G 2110.00 miMostly Cloudy72°F68°F88%1019.3 hPa

Wind History from BPT (wind in knots)
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Last 24hrS4S3S3S5S4SE4SE4SE3SE3S5S9S8S10S9
G15
S11S13S10S11SE15SE11SE9SE12S11SE11
1 day agoS4S4S4S5SW3CalmCalmCalmCalmSE34443S8S9S11S6S10S9S5S4S4S4
2 days agoS7S5S4S4S3S4S4CalmS3SW7SW10SW11S8
G16
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G19
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S9S9S10S7S6S4S3

Tide / Current Tables for Mesquite Point, Sabine Pass, Texas
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Mesquite Point
Click for Map
Fri -- 01:16 AM CDT     1.09 feet High Tide
Fri -- 04:56 AM CDT     Moonrise
Fri -- 07:14 AM CDT     Sunrise
Fri -- 08:41 AM CDT     0.11 feet Low Tide
Fri -- 04:14 PM CDT     Moonset
Fri -- 04:14 PM CDT     1.12 feet High Tide
Fri -- 07:29 PM CDT     Sunset
Fri -- 08:55 PM CDT     0.85 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
1.11.11.110.80.60.40.30.10.10.20.30.50.70.91.11.11.110.90.90.90.91

Tide / Current Tables for Sabine Naches Canal, Port Arthur, Texas
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Sabine Naches Canal
Click for Map
Fri -- 01:51 AM CDT     0.90 feet High Tide
Fri -- 04:56 AM CDT     Moonrise
Fri -- 07:14 AM CDT     Sunrise
Fri -- 09:42 AM CDT     0.06 feet Low Tide
Fri -- 04:14 PM CDT     Moonset
Fri -- 05:25 PM CDT     0.87 feet High Tide
Fri -- 07:29 PM CDT     Sunset
Fri -- 09:49 PM CDT     0.73 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.80.90.90.90.80.60.50.30.20.10.10.10.20.40.60.70.80.90.90.80.80.70.70.8

Weather Map and Satellite Images
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Weather Map
wmap_A
IR Satellite Image from GEOS
east_satellite

GOES Local Image of SouthCentralPlains    EDIT
Geos

Wind Forecast for Lake Charles, LA (0,6,7,8)
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Ground Weather Radar Station Lake Charles, 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.