Friday, February22, 2019 L-36.com


Marine Weather and Tides
Galena Park, TX

Version 3.4
What's New / NOTES
10/6/2018 Colors of tide XTide graphs changed to emphasize that they were upgraded. See next note. Comments welcome.
10/4/2018 I have fixed XTide and updated the harmonic files. There were some name changes so you might have to click EDIT to find the new station name.

Sunrise 6:52AMSunset 6:16PM Friday February 22, 2019 8:32 PM CST (02:32 UTC) Moonrise 9:52PMMoonset 9:13AM Illumination 86% Phase: Waning Gibbous; Moon at 18 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- 349 Pm Cst Fri Feb 22 2019
.dense fog advisory in effect until 9 am cst Saturday...
Tonight..South winds around 10 knots. Bay waters smooth to slightly choppy. Areas of dense fog. A chance of showers and isolated Thunderstorms.
Saturday..Southwest winds 10 to 15 knots becoming west in the afternoon. Bay waters slightly choppy. Areas of dense fog early in the morning. A chance of showers and Thunderstorms early in the morning, then showers and Thunderstorms late in the morning. A slight chance of showers in the afternoon.
Saturday night..Northwest winds 5 to 10 knots. Bay waters smooth.
Sunday..North winds 5 to 10 knots. Bay waters smooth.
Sunday night..Northeast winds 5 to 10 knots increasing to 10 to 15 knots after midnight. Bay waters smooth becoming slightly choppy after midnight.
Monday..East winds 10 to 15 knots. Bay waters slightly choppy.
Monday night..East winds 10 to 15 knots. Bay waters slightly choppy. A chance of showers.
Tuesday..East winds around 10 knots. Bay waters smooth to slightly choppy. A chance of showers.
Tuesday night..East winds 5 to 10 knots. Bay waters smooth. A chance of showers.
Wednesday..East winds 5 to 10 knots. Bay waters smooth. A slight chance of showers.
Wednesday night..Southeast winds 5 to 10 knots becoming east after midnight. Bay waters smooth. A slight chance of showers.
GMZ300 Synopsis For High Island To The Matagorda Ship Channel Out 60 Nautical Miles Including Galveston And Matagorda Bays 349 Pm Cst Fri Feb 22 2019
Synopsis for high island to matagorda ship channel out 60 nm.. SEa fog is expected to persist over the bays and nearshore waters tonight through Saturday morning courtesy of the light to moderate onshore flow. The fog will be dissipating with the passage of the next cold front early Saturday afternoon. Generally moderate offshore winds will be developing in the wake of the front the rest of the weekend. Winds will then be veering to the east and slowly strengthening for the start of next week.


7 Day Forecast for Marine Location Near Galena Park, TX
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location: 29.72, -95.25     debug


Area Discussion for - Houston/Galveston, TX
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Fxus64 khgx 230005
afdhgx
area forecast discussion
national weather service houston galveston tx
605 pm cst Fri feb 22 2019

Aviation
Lifr ceilings and fog will persist overnight and into the morning
hours Saturday. There could be some brief improvement near any
isolated light moderate showers overnight, but that won't be the
norm and isn't indicated in the tafs. Cold front and associated
band of shra & embedded tsra should push thru SE tx from northwest
(cll) to SE (gls) between 13-19z. Ceilings should gradually lift
intoVFR territory a few hours after the front passes and rains
end. Look for wind gusts 15-25kt out of the wnw behind the front.

47

Prev discussion issued 322 pm cst Fri feb 22 2019
short term [tonight through Sunday night]...

latest mesoanalysis shows the warm front has moved inland
basically from north of palacios to houston hou to north of
beaumont. T TD are in the 70s south of the front as we can confirm
here at the office. North of the front temperatures are still in
the 60s to 50s in the brazos valley. Temperatures may drop a
little bit tonight but largely remain steady. If anything
temperatures may increase a bit as the warm front moves more north
after midnight tonight.

There will continue to be chances of showers and maybe an
isolated thunderstorm. Jet streak and vorticity MAX seen on water
vapor imagery has move into the area but any convection with it is
located north of the area towards the arklatex. There is a thin
band of showers from college station down to victoria but this
activity should not develop much more than it has. Amdar airplane
soundings show capping at 800-700mb and 700mb temperatures are
pushing 8c-10c based of this an rap mesoanalysis data. Cap should
hold overnight going into tomorrow morning.

Upper level trough over the southern rockies should rotate east
into the plains by mid day Saturday. Surface low should deepen
near the upper low and push a pacific cold front into the area.

Largely this means there will not be much of a temperature
difference, but the airmass will be significantly drier. WRF model
runs agree with a broken line of convection moving along the
front from 12z to 18z Saturday. A few storms could be strong but
given the capping, it will be a battle for significant deep
convection to develop. SPC has most of the area in a marginal risk
and this looks on track. Greatest threat will be east and
northeast of the area. Storms could still produce gusty winds,
lightning and brief heavy rainfall. While soils are rather moist,
flooding should not be a concern with storms moving through the
area quickly.

Front should be of the coast and east of the area by 18z to 21z
based on WRF model runs along with the NAM gfs. Airmass should be
much drier and should cool off overnight. Low temperatures Sunday
should be in the 40s most areas with a nice warm up into the 60s
for high temperatures Sunday.

Overpeck
long term [Monday through Friday]...

moisture return looks to set up once again Monday night into
Tuesday. Forecast will keep an increase in rain chances for the
Tuesday time period. Beyond Tuesday all of the models really
struggle with finding a common solution. Best chance of rain next
week does look to be on Tuesday, but depending upon the model,
there could be some low end rain chances for much of the week
after Tuesday. Right now think the ensemble blended model approach
looks to be best course of action for the forecast. Usually the
models have had a least some consistency with only some slight
timing problems, but lately that has not been the case.

Overpeck
marine... Will be keeping the marine dense fog advisory in place
for the bays and nearshore waters through 9am Sat morning. Some
brief periods of slightly improved visibilities are possible the
rest of this after- noon, but should fall once again this
evening overnight. This advisory may be extended a couple of
hours tomorrow morning... Depending on the timing of the next cold
front. Per the models... The front is expected to reach the coast
around noon (sat), with scattered showers and isolated
thunderstorms along ahead of it. Moderate strong N to NW winds in
the wake of the front will help clear the fog out of the marine
areas late Sat afternoon early evening. Scec flags could also be
posted very briefly over the coastal waters Sat night. How- ever,
with the surface high building in quickly over the region, we will
likely see winds decreasing once again by Sun morning.

Winds will turn easterly late Sunday and slowly strengthen Mon tues
as the fetch deepens. As a result, tide levels are forecast to rise
to around 2.5 ft above mllw. Will have to watch for possible run-up
issues from mid-week on. Otherwise, unsettled weather should return
to the coastal waters tues along with onshore winds. 41

Preliminary point temps pops
College station (cll) 55 68 42 64 41 50 80 0 0 0
houston (iah) 62 73 47 67 45 40 80 0 0 0
galveston (gls) 66 70 53 65 53 40 70 0 0 0

Hgx watches warnings advisories
Tx... Dense fog advisory until 10 am cst Saturday for the following
zones: brazoria islands... Chambers... Coastal brazoria...

coastal galveston... Coastal harris... Coastal jackson...

coastal matagorda... Galveston island and bolivar
peninsula... Matagorda islands.

Gm... Dense fog advisory until 10 am cst Saturday for the following
zones: galveston bay... Matagorda bay.

Dense fog advisory until noon cst Saturday for the following
zones: coastal waters from freeport to matagorda ship
channel tx out 20 nm... Coastal waters from high island to
freeport tx out 20 nm.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
NCHT2 - 8770777 - Manchester, TX 1 mi44 min S 5.1 G 8.9
MGPT2 - 8770613 - Morgans Point, TX 14 mi44 min SE 4.1 G 7
EPTT2 - 8771013 - Eagle Point, TX 24 mi50 min SE 5.1 G 5.1 65°F 59°F1012.2 hPa
GRRT2 34 mi44 min SSE 5.1 G 7
GNJT2 - 8771341 - Galveston Bay (North Jetty), TX 37 mi50 min SSE 5.1 G 6 65°F 60°F1011.8 hPa
GTOT2 37 mi44 min S 4.1 G 8
RLOT2 - 8770971 - Rollover Pass, TX 42 mi44 min SSE 6 G 7
LUIT2 45 mi44 min SE 4.1 G 5.1 64°F 59°F1011.7 hPa
HIST2 46 mi50 min SSE 4.1 G 6 67°F 60°F1012.6 hPa

Wind History for Morgans Point, TX
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Houston, Houston Hobby Airport, TX5 mi39 minSSE 71.00 miFog/Mist70°F69°F97%1012.1 hPa
Houston / Ellington, TX8 mi1.7 hrsSSE 50.50 miFog/Mist72°F69°F94%1012.5 hPa
John Dunn Helistop, TX8 mi37 minN 00.15 miFog70°F69°F100%1011.5 hPa
Houston, Pearland Regional Airport, TX14 mi39 minS 50.50 miFog70°F70°F100%1012.3 hPa
Houston Intercontinental Airport, TX18 mi39 minE 31.00 miFog/Mist65°F64°F100%1011.7 hPa
Houston Southwest Airport, TX19 mi37 minSSE 40.75 miFog/Mist69°F68°F100%1011.8 hPa
Houston, Sugar Land Municipal / Hull Field Airport, TX22 mi39 minW 36.00 miFog/Mist65°F63°F93%1011.7 hPa

Wind History from HOU (wind in knots)
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Last 24hrNE9NE8NE8NE9N8N6N8NE5NE9NE8E7NE8E6NE6E5N4NE4E5E4SE6SE7S5S6S7
1 day agoN6NE8NE9NE9NE6NE6NE9NE4NE10NE11NE11NE8NE5NE9NE10NE10NE9N10NE9N8N9N11NE9NE9
2 days agoN9N7N6NW5NW8NW8NW9NW8NW9N9NW9N13N11N11N9NW11N11NW9N9NW66N8NE5NE8

Tide / Current Tables for Lynchburg Landing, San Jacinto River, Texas
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Lynchburg Landing
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Fri -- 05:44 AM CST     0.55 feet Low Tide
Fri -- 06:53 AM CST     Sunrise
Fri -- 09:11 AM CST     Moonset
Fri -- 11:20 AM CST     1.07 feet High Tide
Fri -- 05:43 PM CST     0.51 feet Low Tide
Fri -- 06:14 PM CST     Sunset
Fri -- 09:51 PM CST     Moonrise
Fri -- 11:36 PM CST     1.12 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.11.10.90.80.70.60.50.60.70.911.11.110.90.70.60.50.50.60.70.911.1

Tide / Current Tables for Clear Lake, Harris Co. Park, Texas
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Clear Lake
Click for Map
Fri -- 12:32 AM CST     0.41 feet High Tide
Fri -- 06:24 AM CST     -0.02 feet Low Tide
Fri -- 06:53 AM CST     Sunrise
Fri -- 09:11 AM CST     Moonset
Fri -- 12:03 PM CST     0.45 feet High Tide
Fri -- 06:14 PM CST     Sunset
Fri -- 06:49 PM CST     -0.23 feet Low Tide
Fri -- 09:51 PM CST     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.40.40.30.20.10-0-00.10.20.30.40.50.40.30.2-0-0.1-0.2-0.2-0.2-0.10.10.2

Weather Map and Satellite Images
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GOES Local Image of    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.
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Wind Forecast for Houston/Galveston, TX (21,6,7,8)
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Ground Weather Radar Station Houston/Galveston, TX
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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 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.