Monday, August21, 2017 L-36.com


Marine Weather and Tides
Surfside Beach, TX

Version 3.4
What's New / NOTES
6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported.
5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive.
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.

Sunrise 6:53AMSunset 7:55PM Monday August 21, 2017 10:29 PM CDT (03:29 UTC) Moonrise 5:40AMMoonset 7:03PM Illumination 0% Phase: New Moon; Moon at 29 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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GMZ355 Coastal Waters From Freeport To The Matagorda Ship Channel Out 20 Nm-coastal Waters From High Island To Freeport Out 20 Nm- 954 Pm Cdt Mon Aug 21 2017
Rest of tonight..Southeast winds 10 to 15 knots decreasing to 5 to 10 knots after midnight. Seas 2 feet. Isolated showers and Thunderstorms in the late evening and overnight.
Tuesday..East winds 5 to 10 knots. Seas 1 to 2 feet. Isolated showers and Thunderstorms early in the morning, then scattered showers and Thunderstorms late in the morning. A slight chance of showers and Thunderstorms in the afternoon.
Tuesday night..Southeast winds 5 to 10 knots. Seas 2 feet.
Wednesday..Northeast winds around 5 knots becoming east in the afternoon. Seas 1 to 2 feet. A chance of showers and Thunderstorms in the morning, then a slight chance of showers and Thunderstorms in the afternoon.
Wednesday night..Southeast winds 5 to 10 knots. Seas 1 to 2 feet. A slight chance of showers and Thunderstorms.
Thursday..East winds 5 to 10 knots. Seas 1 to 2 feet. A slight chance of showers and Thunderstorms.
Thursday night..East winds 10 to 15 knots increasing to 15 to 20 knots after midnight. Seas 2 to 3 feet. A chance of showers and Thunderstorms.
Friday..Southeast winds 15 to 20 knots. Seas 3 to 4 feet. A chance of showers and Thunderstorms.
Friday night..Southeast winds 10 to 15 knots. Seas 3 to 4 feet. A chance of showers and Thunderstorms.
Saturday..Southeast winds 10 to 15 knots. Seas 3 to 4 feet. A chance of showers and Thunderstorms.
Saturday night..Southeast winds 10 to 15 knots. Seas 2 to 3 feet. A chance of showers and Thunderstorms.
GMZ300 Synopsis For High Island To The Matagorda Ship Channel Out 60 Nautical Miles Including Galveston And Matagorda Bays 954 Pm Cdt Mon Aug 21 2017
Synopsis for high island to matagorda ship channel out 60 nm.. Light winds and low seas are expected into midweek. We will be keeping an eye on the remnants of harvey to see if it can reorganize over the bay of campeche once it makes it there on Wednesday. If so, higher swells can be expected than currently in the forecast going into late week. There is considerable uncertainty at this time.

7 Day Forecast for Marine Location Near Surfside Beach, TX
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location: 29.04, -95.18     debug


Area Discussion for - Houston/Galveston, TX
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Fxus64 khgx 220316
afdhgx
area forecast discussion
national weather service houston galveston tx
1016 pm cdt Mon aug 21 2017

Discussion
Activity over inland areas have dissipated this evening, but will
keep eye over the coastal waters where additional storms have de-
veloped. This activity is forming where pwats are estimated to be
at around 2 inches. Have raised pops up a bit for the gulf waters
and coastal counties overnight based on these trends. 41

Prev discussion issued 721 pm cdt Mon aug 21 2017
aviation...

storms have moved out of the metro terminals with only a few left
on the radar near 66r and east and southeast of cll. OvernightVFR
with the possibility (though slim) that brief MVFR fog cigs
develop at uts lbx cxo toward morning. Model soundings showing
increased subsidence with drier air aloft and less low level
moisture to work with so have tweaked tafs to mainly vcsh after
18z. Winds decouple tonight then come back up after sunrise but
only 4-8kts for the most part out of the se... Overall quiet
aviation wx.

45

Preliminary point temps pops
College station (cll) 75 98 76 99 75 10 20 10 20 30
houston (iah) 76 95 77 96 77 20 30 10 30 30
galveston (gls) 82 92 82 91 82 20 30 10 30 20

Hgx watches warnings advisories
Tx... None.

Gm... None.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
LUIT2 4 mi41 min ENE 11 G 15 86°F
FCGT2 - 8772447 - USCG Freeport, TX 9 mi41 min ESE 9.9 G 13 86°F 89°F1018.3 hPa
GRRT2 24 mi41 min ESE 8 G 11 86°F 90°F1018.2 hPa
GTOT2 28 mi41 min 86°F 89°F
SGNT2 30 mi41 min SE 12 G 16 86°F 89°F1017.3 hPa
GNJT2 - 8771341 - Galveston Bay (North Jetty), TX 33 mi47 min ESE 11 G 14 89°F1017.8 hPa
EPTT2 - 8771013 - Eagle Point, TX 34 mi47 min SSE 13 G 16 86°F 89°F1018.2 hPa
KXIH 36 mi34 min SSE 14 86°F 73°F
42035 - GALVESTON 22NM East of Galveston, TX 43 mi29 min SE 12 G 16 86°F 87°F2 ft1017.9 hPa (+0.8)76°F
EMAT2 45 mi47 min SE 11 G 13 85°F 89°F1017.1 hPa
MGPT2 - 8770613 - Morgans Point, TX 46 mi41 min SE 7 G 9.9 86°F 88°F1018.3 hPa
RLOT2 - 8770971 - Rollover Pass, TX 48 mi41 min SE 11 G 13 86°F 89°F1018.5 hPa
NCHT2 - 8770777 - Manchester, TX 48 mi41 min SSE 6 G 11 85°F 86°F1017.5 hPa

Wind History for USCG Freeport, TX
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Angleton / Lake Jackson, Brazoria County Airport, TX16 mi36 minSE 410.00 miFair82°F75°F82%1018.1 hPa
Galveston, Scholes Field, TX23 mi37 minSE 1110.00 miPartly Cloudy85°F77°F77%1018.3 hPa

Wind History from LBX (wind in knots)
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Last 24hrSE3CalmCalmCalmCalmCalmN3CalmCalmCalmCalmE6CalmSE8SE11E10E9SE11SE12SE9SE10SE6SE4SE4
1 day agoCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmSW4S3CalmCalmSE7SE8E7SE6E9SE7SE5SE3SE5
2 days agoS7CalmS4S6S5CalmCalmCalmCalmN3Calm5SW5S7Calm3N6S76S7S8S5S3Calm

Tide / Current Tables for Christmas Bay, Texas
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Christmas Bay
Click for Map
Mon -- 12:45 AM CDT     -0.05 feet Low Tide
Mon -- 06:40 AM CDT     Moonrise
Mon -- 06:52 AM CDT     Sunrise
Mon -- 10:35 AM CDT     0.89 feet High Tide
Mon -- 01:26 PM CDT     0.26 feet Low Tide
Mon -- 01:31 PM CDT     New Moon
Mon -- 07:54 PM CDT     Sunset
Mon -- 08:02 PM CDT     Moonset
Mon -- 08:19 PM CDT     0.85 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
-0-0.1-00.10.20.30.50.60.70.80.90.80.50.30.30.30.40.50.70.80.80.80.70.4

Tide / Current Tables for Freeport Harbor, Texas
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Freeport Harbor
Click for Map
Mon -- 04:53 AM CDT     1.71 feet High Tide
Mon -- 06:40 AM CDT     Moonrise
Mon -- 06:53 AM CDT     Sunrise
Mon -- 09:46 AM CDT     1.17 feet Low Tide
Mon -- 01:31 PM CDT     New Moon
Mon -- 02:50 PM CDT     1.58 feet High Tide
Mon -- 07:54 PM CDT     Sunset
Mon -- 08:03 PM CDT     Moonset
Mon -- 09:58 PM CDT     -0.42 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
00.511.41.61.71.61.51.31.21.21.21.31.41.51.61.51.20.80.3-0.1-0.3-0.4-0.3

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 Houston/Galveston, TX (23,6,7,8)
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Ground Weather Radar Station Houston/Galveston, TX
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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.