Friday, November16, 2018 L-36.com


Marine Weather and Tides
Bolivar Peninsula, 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 6:43AMSunset 5:24PM Friday November 16, 2018 8:07 PM CST (02:07 UTC) Moonrise 1:44PMMoonset 12:20AM Illumination 66% Phase: Waxing Gibbous; Moon at 9 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- 300 Pm Cst Fri Nov 16 2018
Tonight..Southeast winds around 5 knots. Bay waters smooth.
Saturday..Southeast winds 5 to 10 knots. Bay waters smooth.
Saturday night..East winds 5 to 10 knots. Bay waters smooth.
Sunday..East winds 5 to 10 knots. Bay waters smooth. A chance of showers.
Sunday night..North winds 5 to 10 knots. Bay waters smooth. A chance of showers.
Monday..Northeast winds 10 to 15 knots. Bay waters slightly choppy. Showers likely.
Monday night..Northeast winds 10 to 15 knots. Bay waters slightly choppy. Showers likely.
Tuesday..Northeast winds 10 to 15 knots. Bay waters slightly choppy. A chance of showers.
Tuesday night..Northeast winds 10 to 15 knots. Bay waters slightly choppy. A slight chance of showers.
Wednesday..Northeast winds 15 to 20 knots. Bay waters choppy. Showers likely.
Wednesday night..Northeast winds 10 to 15 knots. Bay waters slightly choppy. Showers likely.
GMZ300 Synopsis For High Island To The Matagorda Ship Channel Out 60 Nautical Miles Including Galveston And Matagorda Bays 300 Pm Cst Fri Nov 16 2018
Synopsis for high island to matagorda ship channel out 60 nm.. Light onshore winds will prevail tonight as high pressure drifts east. Southerly winds will increase Saturday into Sunday ahead of the next cold front. The front should push off the coast early Monday with winds and seas increasing from the northeast.


7 Day Forecast for Marine Location Near Bolivar Peninsula CDP, TX
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location: 29.49, -94.56     debug


Area Discussion for - Houston/Galveston, TX
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Fxus64 khgx 170014
afdhgx
area forecast discussion
national weather service houston galveston tx
614 pm cst Fri nov 16 2018

Aviation
Vfr across the area this afternoon and evening. Low levels slowly
moistening up but it is shallow. Toward morning expect some patchy
fog primarily mifg in nature. For now have confined it to the
sgr lbx area but will be keeping a close eye on the cll cxo areas
where guidance is indicating slightly more favorable conditions.

Moisture should continue to increase early Saturday throughout the
afternoon and a scattered 3000-5000ft deck looks likely with more
expansive high clouds.

45

Prev discussion issued 240 pm cst Fri nov 16 2018
discussion...

skies are sunny across much of southeast texas this afternoon
with south to southwest winds under 10 mph and temperatures so
far in a mid 60s to around 70 range. Some clouds have developed
in our southwest counties (roughly south of a columbus to
needville to angleton line) where precipitable water values
are highest. The warmer temperatures in our area today will
continue tomorrow with south to southeast winds. Moisture
levels will be on the increase, and rain chances come back into
the forecast beginning on Saturday night and then increasing on
Sunday along and ahead of a cold front that will move slowly
through the area. Much cooler temperatures behind the front
(highs in the 50s 60s) along with periods of rain can be expected
through the first half of the week. Still targeting higher rain
chances Monday and Monday night and then again Wednesday and
Wednesday night as disturbances move eastward across the state,
but confidence remains rather low on whether or not these time
periods will pan out due to slight model solution differences
still popping up. These differences continue to bring some
uncertainty to our thanksgiving outlook. Keep up with the
latest forecast over the next several days when confidence
on the holiday expectations will likely increase. 42
marine...

high pressure over the northwest gulf will move east tonight and a
light onshore winds will develop and persist into Saturday evening.

A weak coastal trough will develop Saturday night as a cold front
over north texas slides slowly south. SE winds will back to the e
late Saturday night into Sunday as the coastal trough deepens. The
front will eventually push off the coast Sunday night into Monday
and a stronger n-ne flow is expected to develop. A moderate to
strong e-ne wind will develop Wed wed nite as sfc low pressure over
the western gulf deepens. This feature will move east on Thursday
and surface winds will begin to diminish as the gradient begins to
relax.

Water temps are in the lower 60's and sfc dew pts are progged to
reach the mid 60's sun-tues so will have to watch out for the
possibility of sea fog over the near shore waters. Not a high
probability, but there is some risk. Surge models not showing much
of a bump up in tide levels but with a persistent e-ne flow, tide
levels should run at least a half foot or so above normal for the
first half of next week. 43
prev discussion... Issued 1127 am cst Fri nov 16 2018
aviation...

surface high pressure over the northwest gulf will bring generally
clear skies to area TAF sites through tonight. Might get a little
light ground fog late tonight at kcll and kcxo but did not
mention in the tafs. Low level moisture returns on Saturday and
sct bkn035 deck will develop between 13-16z with cirrus
increasing as well. 43

Preliminary point temps pops
College station (cll) 47 71 54 56 43 0 0 20 50 40
houston (iah) 47 71 55 70 48 0 0 10 40 40
galveston (gls) 59 70 63 71 56 0 0 10 30 40

Hgx watches warnings advisories
Tx... None.

Gm... None.

Discussion... 41
aviation marine... 45


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
RLOT2 - 8770971 - Rollover Pass, TX 3 mi37 min SSE 7 G 9.9 60°F 55°F1021.7 hPa
HIST2 12 mi37 min SSE 2.9 G 4.1 1021.9 hPa
GNJT2 - 8771341 - Galveston Bay (North Jetty), TX 13 mi37 min SE 8.9 G 9.9 1021.2 hPa
GTOT2 17 mi37 min SE 4.1 G 6 61°F 63°F1021.3 hPa
EPTT2 - 8771013 - Eagle Point, TX 19 mi37 min SSE 5.1 G 6 57°F 55°F1021.6 hPa
42035 - GALVESTON 22NM East of Galveston, TX 19 mi37 min SE 7.8 G 7.8 63°F 64°F1022.2 hPa51°F
KXIH 22 mi32 min SE 9.9 63°F 46°F
GRRT2 22 mi37 min SE 5.1 G 6 60°F 55°F1021.6 hPa
MGPT2 - 8770613 - Morgans Point, TX 26 mi37 min SE 2.9 G 5.1 56°F 59°F1021.3 hPa
SRST2 - Sabine Pass, TX 31 mi67 min SSE 7 G 8 59°F 1022.3 hPa (+0.4)
TXPT2 40 mi37 min SSE 8 G 8.9 58°F 56°F1021.3 hPa
SBPT2 - 8770570 - Sabine Pass North, TX 40 mi37 min SSE 6 G 7 56°F 60°F1023.5 hPa
NCHT2 - 8770777 - Manchester, TX 41 mi37 min SE 4.1 G 5.1 58°F 67°F1020.5 hPa
LUIT2 41 mi37 min S 7 G 8.9 62°F 1021.1 hPa
PORT2 - 8770475 - Port Arthur, TX 42 mi37 min SSE 2.9 G 5.1 55°F 60°F1022.2 hPa
KVBS 49 mi32 min 5.1 61°F 46°F

Wind History for Rollover Pass, TX
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Galveston, Scholes Field, TX22 mi75 minESE 710.00 miFair59°F48°F67%1021.7 hPa
High Island 179A (Apache Corp), LA22 mi72 minSE 910.00 miFair63°F44°F52%1021.3 hPa

Wind History from GLS (wind in knots)
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Last 24hrSW3SW5CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalm4SE4E5SE7SE9SE10SE9SE7SE7SE7
1 day agoNW8NW6NW9NW6N9N7NE4E5NE6NE6NW4NW333N3N543SE7SE7S5S3SW3Calm
2 days agoNW16NW15
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Tide / Current Tables for Rollover Pass, 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 Galveston Bay Entrance, Texas Current
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Galveston Bay Entrance
Click for Map
Fri -- 12:21 AM CST     Moonset
Fri -- 03:45 AM CST     -0.00 knots Slack
Fri -- 06:43 AM CST     Sunrise
Fri -- 07:24 AM CST     -1.01 knots Max Ebb
Fri -- 10:45 AM CST     -0.32 knots Min Ebb
Fri -- 01:44 PM CST     Moonrise
Fri -- 04:45 PM CST     -1.34 knots Max Ebb
Fri -- 05:23 PM CST     Sunset
Fri -- 08:43 PM CST     0.00 knots Slack
Fri -- 11:36 PM CST     1.42 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.41.20.90.4-0.1-0.5-0.8-1-1-0.7-0.4-0.3-0.5-0.7-0.9-1.1-1.3-1.3-1.2-0.9-0.40.20.91.3

Weather Map and Satellite Images
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wmap_A
GOES 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.
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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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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.