Saturday, January25, 2020
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Marine Weather and Tides
Texas City, TX

Version 3.4
NOTICE
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 7:11AMSunset 5:52PM Saturday January 25, 2020 1:32 AM CST (07:32 UTC) Moonrise 7:54AMMoonset 6:42PM Illumination 0% Phase: New Moon; Moon at 0 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- 1015 Pm Cst Fri Jan 24 2020
Rest of tonight..East winds 5 to 10 knots. Bay waters smooth.
Saturday..Southeast winds 10 to 15 knots. Bay waters slightly choppy. A slight chance of showers early in the afternoon. Showers likely and isolated Thunderstorms late in the afternoon.
Saturday night..Southeast winds 10 to 15 knots. Bay waters slightly choppy. Showers and isolated Thunderstorms.
Sunday..Southeast winds 10 to 15 knots becoming northeast 5 to 10 knots in the afternoon. Bay waters slightly choppy becoming smooth in the afternoon. Showers likely in the morning. Isolated Thunderstorms. A chance of showers in the afternoon.
Sunday night..North winds 5 to 10 knots. Bay waters smooth.
Monday..Northeast winds 5 to 10 knots becoming east in the afternoon. Bay waters smooth.
Monday night..Southeast winds 5 to 10 knots becoming east after midnight. Bay waters smooth. A slight chance of showers in the late evening and early morning. Showers likely and isolated Thunderstorms late.
Tuesday..East winds 5 to 10 knots. Bay waters smooth. Showers likely and isolated Thunderstorms.
Tuesday night..North winds 5 to 10 knots increasing to 10 to 15 knots after midnight. Bay waters smooth becoming slightly choppy after midnight. A chance of showers in the evening, then a slight chance of showers after midnight.
Wednesday..North winds around 10 knots becoming northeast in the afternoon. Bay waters smooth to slightly choppy becoming smooth in the afternoon.
Wednesday night..East winds 5 to 10 knots. Bay waters smooth. A chance of showers late.
GMZ300 Synopsis For High Island To The Matagorda Ship Channel Out 60 Nautical Miles Including Galveston And Matagorda Bays 1015 Pm Cst Fri Jan 24 2020
Synopsis for high island to matagorda ship channel out 60 nm.. Light east winds tonight will become southeast and strengthen on Saturday as high pressure moves off to the east and the pressure gradient tightens. Caution flags might be needed for the increasing winds and building seas. Look for widespread rain...possible embedded Thunderstorms and some brief sea fog mainly Saturday night through Sunday morning as a storm system moves across the area. Mainly light north to northeast winds behind this system Sunday night and Monday will become east to southeast Monday night and Tuesday as the next storm system and associated rains move across the area.


7 Day Forecast for Marine Location Near Texas City, TX
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location: 29.47, -94.77     debug


Area Discussion for - Houston/Galveston, TX
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FXUS64 KHGX 250514 AFDHGX

Area Forecast Discussion National Weather Service Houston/Galveston TX 1114 PM CST Fri Jan 24 2020

AVIATION [06Z TAF Issuance].

VFR conditions should continue through the next 18 to 24 hours as another upper level trough and low pressure system approach the area. Showers along with lowering ceilings are expected tomorrow evening and night. Conditions should improve late Sunday morning. Quite possible to get MVFR/IFR ceilings Sunday morning for much of the area. There may be a few embedded thunderstorms but will wait to put that in the TAFs until it looks more possible.

Overpeck

PREV DISCUSSION /Issued 524 PM CST Fri Jan 24 2020/.

SHORT TERM [Tonight Through Sunday Afternoon].

Skies are sunny across all of Southeast Texas this afternoon with high temperatures so far in the mid to upper 60s. Clear skies and light winds tonight will allow area low temperatures to range from the upper 30s to lower 40s well inland to the low to mid 50s at the coast. It should be a little warmer tomorrow as southeast winds return to the area and strengthen, but an increase in cloud cover (especially as we head on through the afternoon hours) could keep readings similar to today. Rain chances are back in the forecast beginning Saturday afternoon in/around the Matagorda Bay area, then spread and ramp up across the entire area as we head on into the evening and overnight hours. Anticipate decreasing coverage from west to east as the day progresses on Sunday. For this event, have the highest rainfall totals off the coast and keep inland totals generally in a 1/4 to 3/4 inch range. 42

LONG TERM [Sunday Night Through Friday]. Sunday night the weekend rainmaker should be departing into LA and very weak high pressure sets in across the region. Light winds and clearing skies should be the case with possibly some patchy fog but not confident enough yet for that. Monday the westerly flow aloft brings in the next fast moving system and winds turn around and moisture returns Monday night as surface low develops over Dallas area. Rain chances increase and expect light rain and showers (WAA) initially then a line of showers and thunderstorms to move through SETX Tuesday morning getting breezy northwesterlies after the frontal passage and abundant wrap around clouds. This should limit the rise in temperatures significantly Tuesday and moderate the fall Tuesday night. Again with the fast flow aloft expect this system to race on eastward and Wednesday should be drier and cool before reloading for the next system Thursday. Guidance has trended deeper and colder with the upper levels along with further south than these last couple and so Thursday and Friday has good chance of being cloudy/gloomy/wet with abundant stratiform rain transitioning to more unstable precip as the upper low nears. Of course this time of year is nearing the peak for the progression of fronts across SETX so the timing may change. To account for that have pulled back on the deterministic POPs which are in the 80+ range as the timing may shift. Suffice it to say that at some point Thu/Fri should be a very high chance of rain. Before anyone gets to concerned the cold advection behind this system isn't particularly strong so no concerns for that wintery stuff. As for the timing specifics - Stay tuned.

MARINE.

Light east winds tonight will become southeast and strengthen on Saturday as high pressure moves off to the east and the pressure gradient tightens. Caution flags might be needed for the increasing winds and building seas. Look for widespread rain, possible embedded thunderstorms and some brief sea fog mainly Saturday night through Sunday morning as a storm system moves across the area. Mainly light north to northeast winds behind this system Sunday night and Monday will become east to southeast Monday night and Tuesday as the next storm system and associated rains move across the area. The water's next best chance of rain currently looks to come around the Thursday/ Friday time period (subject to change) when another system moves into/ across the area. 42

PRELIMINARY POINT TEMPS/POPS.

College Station (CLL) 66 41 66 53 68 / 0 80 20 0 0 Houston (IAH) 67 43 65 56 68 / 10 90 40 10 0 Galveston (GLS) 63 55 64 60 66 / 10 90 50 10 0

HGX WATCHES/WARNINGS/ADVISORIES.

TX . None. GM . None.



AVIATION . Overpeck


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
EPTT2 - 8771013 - Eagle Point, TX 8 mi51 min 54°F 59°F1020.7 hPa
GNJT2 - 8771341 - Galveston Bay (North Jetty), TX 8 mi51 min 58°F 59°F1020.2 hPa
GTOT2 11 mi51 min 56°F 58°F1021 hPa
GRRT2 13 mi51 min 55°F 58°F1020.9 hPa
RLOT2 - 8770971 - Rollover Pass, TX 14 mi45 min 55°F 57°F1021.5 hPa
MGPT2 - 8770613 - Morgans Point, TX 19 mi51 min 55°F 60°F1021.3 hPa
HIST2 22 mi51 min 52°F 58°F1021 hPa
KXIH 24 mi38 min Calm 59°F 59°F
42035 - GALVESTON 22NM East of Galveston, TX 25 mi33 min Calm G 1.9 1022.2 hPa (+0.0)
NCHT2 - 8770777 - Manchester, TX 32 mi51 min 53°F 62°F1020.9 hPa
LUIT2 33 mi45 min 58°F 60°F1022.4 hPa
SRST2 - Sabine Pass, TX 42 mi33 min W 2.9 G 2.9 52°F 1021.6 hPa (+0.4)48°F
FCGT2 - 8772447 - USCG Freeport, TX 46 mi45 min 57°F 60°F1021.2 hPa
FPST2 46 mi51 min 59°F 62°F1020.6 hPa

Wind History for Eagle Point, TX
(wind in knots)    EDIT      (on/off)   Help
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Galveston, Scholes Field, TX15 mi41 minN 010.00 miFair54°F50°F87%1021.5 hPa
Houston / Ellington, TX24 mi43 minN 010.00 miPartly Cloudy48°F44°F87%1021.3 hPa
High Island 179A (Apache Corp), LA24 mi38 minN 010.00 miA Few Clouds59°F59°F100%1021 hPa

Link to 5 minute data for KGLS

Wind History from GLS (wind in knots)
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Last 24hrN9N10N8N10N7N4NW5NW5W3W5W3SE6SE4SE6SE5SE5S5S4S5S4CalmCalmCalmCalm
1 day ago6
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2 days agoE13SE8E10E12E12SE14SE19SE17SE21
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Tide / Current Tables for Port Bolivar, Galveston Bay, Texas
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.


Tide / Current Tables for Bolivar Roads, Texas Current
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Bolivar Roads
Click for Map
Sat -- 12:08 AM CST     -0.00 knots Slack
Sat -- 07:11 AM CST     Sunrise
Sat -- 07:53 AM CST     Moonrise
Sat -- 09:23 AM CST     -2.17 knots Max Ebb
Sat -- 02:05 PM CST     0.00 knots Slack
Sat -- 05:40 PM CST     2.02 knots Max Flood
Sat -- 05:51 PM CST     Sunset
Sat -- 06:43 PM CST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0-0.3-0.4-0.4-0.6-0.8-1.2-1.6-2-2.2-2.1-1.9-1.5-0.9-0.10.81.6221.81.51.20.90.6

Weather Map
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wmap_A
GEOS Local Image of SouthCentralPlains    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
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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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.