Sunday, October22, 2017 L-36.com


Marine Weather and Tides
Clear Lake Shores, 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 7:26AMSunset 6:43PM Sunday October 22, 2017 1:17 AM CDT (06:17 UTC) Moonrise 8:54AMMoonset 7:58PM Illumination 4% Phase: Waxing Crescent; Moon at 2 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 Galveston Bay- 1037 Pm Cdt Sat Oct 21 2017
Tonight..South winds 10 to 15 knots. Bay waters slightly choppy. A slight chance of showers and Thunderstorms after midnight.
Sunday..South winds 5 to 10 knots becoming north 15 to 20 knots in the afternoon. Bay waters smooth becoming choppy in the afternoon. Thunderstorms in the morning. Showers. Thunderstorms likely in the afternoon. Some Thunderstorms may produce gusty winds late in the morning.
Sunday night..North winds 15 to 20 knots. Bay waters choppy.
Monday..North winds 15 to 20 knots decreasing to 10 to 15 knots in the afternoon. Bay waters choppy becoming slightly choppy in the afternoon.
Monday night..Northwest winds 10 to 15 knots. Bay waters slightly choppy.
Tuesday..North winds 15 to 20 knots. Bay waters choppy.
Tuesday night..North winds 10 to 15 knots. Bay waters slightly choppy.
Wednesday..North winds around 10 knots becoming northwest in the afternoon. Bay waters smooth to slightly choppy becoming smooth in the afternoon.
Wednesday night..West winds around 5 knots becoming southwest after midnight. Bay waters smooth.
Thursday..South winds 10 to 15 knots. Bay waters slightly choppy.
Thursday night..South winds 15 to 20 knots. Bay waters choppy.
GMZ300 Synopsis For High Island To The Matagorda Ship Channel Out 60 Nautical Miles Including Galveston And Matagorda Bays 1037 Pm Cdt Sat Oct 21 2017
Synopsis for high island to matagorda ship channel out 60 nm.. Look for showers and Thunderstorms along and ahead of a cold front that will push off of the coast by Sunday morning. Moderate to strong offshore winds are expected to increase through the day and night in its wake. A reinforcing front is expected to move off of the coast on Tuesday, increasing winds and seas again after a brief lull.

7 Day Forecast for Marine Location Near Clear Lake Shores, TX
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location: 29.55, -95     debug


Area Discussion for - Houston/Galveston, TX
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Fxus64 khgx 220442
afdhgx
area forecast discussion
national weather service houston galveston tx
1142 pm cdt Sat oct 21 2017

Aviation
MVFR CIGS are filling in across the area. Attention turns to
north texas where a line of showers and thunderstorms associated
with a southward moving cold front approaches northern parts of se
tx 10-12z and off the coast by 18z. Primary threat with the
storms will be gusty winds and brief heavy downpours. Ceilings
will lift and gradually clear out during the late morning and
afternoon hours leaving mclear conditions and gusty nnw winds
during the daylight hours (also at night near the coast). 47

Prev discussion issued 927 pm cdt Sat oct 21 2017
cold front is through the panhandle this evening and is timed to
reach our far northwestern forecast area around sunrise tomorrow.

Lines of showers with embedded thunderstorms will likely begin
feeding into the downstream pre-frontal trough as the main
boundary reaches the i-35 corridor shortly after midnight. Under a
capped downstream environment expecting late night lowering cloud
heights ..A passing light shower and weakening winds as the front
moves into and across central texas. Expecting the bulk of the
tsra to reach the northern CWA during the overnight Sunday morning
hours ..Houston metro a couple of hours after sunrise and across
the coastal counties during the mid to late morning hours. The
main front is forecast to pass off the coast early Sunday
afternoon with morning precipitation quickly coming to an
end... Gusty northwesterlies and clearing skies the main theme
Sunday afternoon. In the maritime... Sunday night Monday morning
advisory level northerlies to blow across coast upper texas gulf
waters. Backing high pressure to move into eastern texas through
tomorrow night Monday morning. 31

Preliminary point temps pops
College station (cll) 70 79 49 80 55 70 70 10 0 0
houston (iah) 74 82 55 78 57 40 90 10 0 0
galveston (gls) 77 82 63 76 65 20 70 10 0 0

Hgx watches warnings advisories
Tx... None.

Gm... None.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
EPTT2 - 8771013 - Eagle Point, TX 6 mi47 min SSE 8.9 G 11 78°F 77°F1014.1 hPa
MGPT2 - 8770613 - Morgans Point, TX 9 mi47 min SE 5.1 G 8 78°F 78°F1014.2 hPa
GRRT2 18 mi47 min NE 8.9 G 11 78°F 78°F1014 hPa
NCHT2 - 8770777 - Manchester, TX 19 mi47 min SSE 5.1 G 7 78°F 79°F1013.5 hPa
GTOT2 20 mi47 min 79°F 78°F
GNJT2 - 8771341 - Galveston Bay (North Jetty), TX 20 mi47 min SE 13 G 15 78°F1013.6 hPa
RLOT2 - 8770971 - Rollover Pass, TX 26 mi47 min SSE 8 G 12 79°F 78°F1014.2 hPa
HIST2 32 mi47 min SE 4.1 G 6 78°F 78°F1014.4 hPa
LUIT2 33 mi47 min SSE 11 G 15 80°F 1013.6 hPa
KXIH 36 mi22 min S 11 G 16 81°F 75°F
42035 - GALVESTON 22NM East of Galveston, TX 38 mi87 min SE 14 G 16 80°F 80°F3 ft1014 hPa (+0.4)76°F
FCGT2 - 8772447 - USCG Freeport, TX 45 mi47 min SE 13 G 15 80°F 78°F1014 hPa

Wind History for Eagle Point, TX
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Houston / Ellington, TX10 mi27 minSE 210.00 miPartly Cloudy77°F75°F94%1014.2 hPa
Houston, Pearland Regional Airport, TX13 mi24 minN 010.00 miPartly Cloudy79°F73°F85%1014.7 hPa
Houston, Houston Hobby Airport, TX16 mi24 minN 010.00 miPartly Cloudy78°F73°F87%1014.6 hPa
Galveston, Scholes Field, TX21 mi25 minSSE 1010.00 miPartly Cloudy80°F77°F90%1014.3 hPa
John Dunn Helistop, TX24 mi22 minSE 310.00 miA Few Clouds77°F75°F94%1014.6 hPa

Wind History from EFD (wind in knots)
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Last 24hrCalm--SE4SE3CalmCalm--E6--SE8SE11SE13SE11SE12--S11SE11SE7SE6--SE5SE5SE7SE2
1 day agoNE6NE4NE5E5S10
G25
NE3NE3NE6E6E10E10E12E8E7E12E9E10--E10E8E8E4Calm--
2 days agoCalmCalmCalmCalmCalmNE5--NE6NE5E10E8--E10SE8E7SE10E7--NE3E4E3NE4NE5NE5

Tide / Current Tables for Clear Lake, Harris Co. Park, Texas
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Clear Lake
Click for Map
Sun -- 01:29 AM CDT     0.90 feet High Tide
Sun -- 07:20 AM CDT     0.69 feet Low Tide
Sun -- 07:26 AM CDT     Sunrise
Sun -- 09:53 AM CDT     Moonrise
Sun -- 11:14 AM CDT     0.80 feet High Tide
Sun -- 06:42 PM CDT     Sunset
Sun -- 06:45 PM CDT     0.06 feet Low Tide
Sun -- 08:58 PM CDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.80.90.90.90.80.80.70.70.70.70.80.80.80.70.60.40.30.10.10.10.10.20.40.6

Tide / Current Tables for Bolivar Roads, Texas Current
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Bolivar Roads
Click for Map
Sun -- 02:40 AM CDT     -0.44 knots Max Ebb
Sun -- 05:44 AM CDT     -0.13 knots Min Ebb
Sun -- 07:25 AM CDT     Sunrise
Sun -- 09:52 AM CDT     Moonrise
Sun -- 11:42 AM CDT     -1.86 knots Max Ebb
Sun -- 03:54 PM CDT     0.00 knots Slack
Sun -- 06:41 PM CDT     Sunset
Sun -- 07:20 PM CDT     1.94 knots Max Flood
Sun -- 08:57 PM CDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
-0.1-0.3-0.4-0.4-0.3-0.2-0.1-0.3-0.7-1.1-1.5-1.8-1.8-1.7-1.3-0.70.10.91.61.91.91.61.10.7

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 (2,6,7,8)
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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.