Monday, August21, 2017 L-36.com


Marine Weather and Tides
Tiki Island, 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 6:50AMSunset 7:53PM Monday August 21, 2017 12:50 PM CDT (17:50 UTC) Moonrise 5:38AMMoonset 7:02PM 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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GMZ335 Matagorda Bay-galveston Bay- 1024 Am Cdt Mon Aug 21 2017
Rest of today..Southeast winds 5 to near 15 knots. Bay waters smooth becoming slightly choppy in the afternoon. A chance of showers and Thunderstorms.
Tonight..Southeast winds 10 to 15 knots decreasing to 5 to 10 knots after midnight. Bay waters slightly choppy becoming smooth after midnight.
Tuesday..Southeast winds 5 to 10 knots. Bay waters smooth. A chance of showers and Thunderstorms.
Tuesday night..Southeast winds 5 to 10 knots becoming southwest after midnight. Bay waters smooth.
Wednesday..North winds around 5 knots becoming southeast in the afternoon. Bay waters smooth. A slight chance of showers and Thunderstorms in the morning, then a chance of showers and Thunderstorms in the afternoon.
Wednesday night..Southeast winds 5 to 10 knots becoming east after midnight. Bay waters smooth. A slight chance of showers and Thunderstorms.
Thursday..Northeast winds around 5 knots becoming southeast in the afternoon. Bay waters smooth. A chance of showers and Thunderstorms.
Thursday night..East winds 5 to 10 knots. Bay waters smooth. A slight chance of showers and Thunderstorms.
Friday..East winds 5 to 10 knots increasing to 10 to 15 knots in the afternoon. Bay waters smooth becoming slightly choppy in the afternoon. A chance of showers and Thunderstorms.
Friday night..East winds 5 to 10 knots. Bay waters smooth. 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 1024 Am Cdt Mon Aug 21 2017
Synopsis for high island to matagorda ship channel out 60 nm.. As an upper low over the central gulf churns towards the texas coastline today expect an increase in shower and Thunderstorm coverage through tomorrow. Generally light onshore winds over low seas for the remainder of the week.

7 Day Forecast for Marine Location Near Tiki Island, TX
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location: 29.32, -94.8     debug


Area Discussion for - Houston/Galveston, TX
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Fxus64 khgx 211727
afdhgx
area forecast discussion
national weather service houston galveston tx
1227 pm cdt Mon aug 21 2017

Aviation
With little change in the overall pattern in the next 24 hours, a
forecast of persistence looks to be the way to go.VFR conditions
mostly persisting outside of any iso sct aftn storms - mainly
closer to the coast. A few patches of MVFR CIGS remain a slight
possibility 4-10am, otherwise another repeat for tue. 47

Prev discussion issued 1109 am cdt Mon aug 21 2017
drier air moving into the region from the gulf this morning and
this is likely what is keeping the radar mainly quiet. The upper
low over the gulf is forecast to continue its slow westward trek
towards the local waters through early tomorrow. Shower and
thunderstorm coverage should increase over the coming hours... If
not from lift along this low's far western reaches... Along the sea
breeze boundary. Decent cumulus field quickly sprouted up in the
last hour so anticipating that many may find it challenging to
find a nice... Clear view of this afternoon's partial solar
eclipse. Optimal viewing of the eclipse is in a couple of
hours... Or around 1:15 pm cdt. 31

Preliminary point temps pops
College station (cll) 98 75 98 75 99 20 10 20 10 30
houston (iah) 94 77 95 77 96 40 10 20 10 30
galveston (gls) 93 83 91 82 91 30 10 30 10 30

Hgx watches warnings advisories
Tx... None.

Gm... None.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
GTOT2 1 mi50 min 88°F 89°F
GNJT2 - 8771341 - Galveston Bay (North Jetty), TX 5 mi50 min E 8.9 G 11 88°F1018.6 hPa (+1.1)
GRRT2 5 mi50 min E 6 G 8.9 87°F 89°F1018.9 hPa (+1.0)
EPTT2 - 8771013 - Eagle Point, TX 13 mi50 min SE 8 G 9.9 87°F 89°F1018.9 hPa (+0.8)
KXIH 18 mi35 min SSE 8 93°F 73°F
RLOT2 - 8770971 - Rollover Pass, TX 20 mi50 min SE 8 G 9.9 87°F 86°F1019 hPa (+0.9)
42035 - GALVESTON 22NM East of Galveston, TX 21 mi50 min E 7.8 G 9.7 86°F 87°F2 ft1018.6 hPa76°F
LUIT2 24 mi50 min NE 9.9 G 12 87°F 89°F
MGPT2 - 8770613 - Morgans Point, TX 27 mi50 min ESE 8 G 9.9 88°F 88°F1018.7 hPa (+0.7)
HIST2 29 mi50 min SE 4.1 G 8 89°F 88°F1019.1 hPa (+0.8)
LYBT2 34 mi50 min SSE 6 G 9.9 89°F 87°F1018.7 hPa (+0.5)
FCGT2 - 8772447 - USCG Freeport, TX 37 mi50 min E 7 G 8.9 88°F 89°F1018.9 hPa (+0.9)
NCHT2 - 8770777 - Manchester, TX 37 mi50 min S 5.1 G 8 89°F 86°F1017.5 hPa (+0.3)
SRST2 - Sabine Pass, TX 48 mi50 min SE 8 G 8.9 88°F 1019.4 hPa (+0.8)73°F

Wind History for Galveston Pleasure Pier, TX
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Galveston, Scholes Field, TX5 mi58 minESE 810.00 miPartly Cloudy90°F77°F66%1018.8 hPa
High Island 179A (Apache Corp), LA18 mi55 minSE 810.00 miA Few Clouds90°F73°F59%1018.6 hPa

Wind History from GLS (wind in knots)
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Last 24hrE9E10E10
G17
E8SE9E9SE10SE9SE9SE10SE10SE12SE7SE8SE7S7SE6SE7SE5SE6SE9SE9SE8SE8
1 day agoS10S11S7S9S11S9S9S9S9S9S8S7S7S6SW5CalmCalmNW3CalmCalmNW3W4CalmSE6
2 days agoS8S10S11S10S12S10S10S10S10S11S11S10S10S11S8S8SW7SW5SW4NW3SW35W5S6

Tide / Current Tables for Galveston Pier 21, Galveston Channel, Texas
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Galveston Pier 21
Click for Map
Mon -- 05:48 AM CDT     1.53 feet High Tide
Mon -- 06:38 AM CDT     Moonrise
Mon -- 06:51 AM CDT     Sunrise
Mon -- 10:49 AM CDT     1.15 feet Low Tide
Mon -- 01:31 PM CDT     New Moon
Mon -- 03:32 PM CDT     1.46 feet High Tide
Mon -- 07:52 PM CDT     Sunset
Mon -- 08:01 PM CDT     Moonset
Mon -- 10:56 PM CDT     -0.08 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
00.30.711.31.51.51.51.31.21.21.21.21.31.41.41.41.31.10.80.50.2-0-0.1

Tide / Current Tables for Bolivar Roads, Texas Current
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Bolivar Roads
Click for Map
Mon -- 02:11 AM CDT     0.00 knots Slack
Mon -- 05:24 AM CDT     1.91 knots Max Flood
Mon -- 06:38 AM CDT     Moonrise
Mon -- 06:50 AM CDT     Sunrise
Mon -- 12:15 PM CDT     -0.00 knots Slack
Mon -- 01:31 PM CDT     New Moon
Mon -- 01:49 PM CDT     -0.26 knots Max Ebb
Mon -- 04:08 PM CDT     -0.03 knots Min Ebb
Mon -- 07:52 PM CDT     Sunset
Mon -- 08:01 PM CDT     Moonset
Mon -- 10:50 PM CDT     -1.99 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
-1.7-1.1-0.20.81.51.91.91.61.310.70.40.1-0.2-0.3-0.1-0-0.1-0.4-0.9-1.4-1.7-1.9-2

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 (13,3,4,5)
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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.