Sunday, December9, 2018 L-36.com


Marine Weather and Tides
Shoreacres, 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 7:02AMSunset 5:22PM Sunday December 9, 2018 7:36 PM CST (01:36 UTC) Moonrise 8:58AMMoonset 7:35PM Illumination 6% 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 Matagorda Bay-galveston Bay- 311 Pm Cst Sun Dec 9 2018
.low water advisory in effect until 7 pm cst this evening...
Tonight..North winds 10 to 15 knots. Bay waters slightly choppy.
Monday..North winds 10 to 15 knots becoming northwest 5 to 10 knots in the afternoon. Bay waters slightly choppy becoming smooth in the afternoon.
Monday night..North winds 5 to 10 knots becoming northeast after midnight. Bay waters smooth.
Tuesday..East winds 5 to 10 knots becoming southeast in the afternoon. Bay waters smooth.
Tuesday night..South winds 10 to 15 knots. Bay waters slightly choppy.
Wednesday..South winds 10 to 15 knots. Bay waters slightly choppy. A chance of showers.
Wednesday night..Southwest winds 10 to 15 knots. Bay waters slightly choppy. A chance of showers and isolated Thunderstorms.
Thursday..Southwest winds 10 to 15 knots becoming west 15 to 20 knots in the afternoon. Bay waters slightly choppy becoming choppy in the afternoon. A chance of showers and isolated Thunderstorms.
Thursday night..Northwest winds 15 to 25 knots. Bay waters choppy. A chance of rain.
Friday..Northwest winds 20 to 25 knots decreasing to 15 to 20 knots in the afternoon. Bay waters rough becoming choppy in the afternoon. A slight chance of rain.
Friday night..Northwest winds 15 to 20 knots decreasing to 10 to 15 knots after midnight. Bay waters choppy becoming slightly choppy after midnight.
GMZ300 Synopsis For High Island To The Matagorda Ship Channel Out 60 Nautical Miles Including Galveston And Matagorda Bays 311 Pm Cst Sun Dec 9 2018
Synopsis for high island to matagorda ship channel out 60 nm.. Northerly winds will continue through Monday. Although winds have decreased today, they will remain at caution levels well offshore tonight. Well below normal tides will continue this evening. Onshore winds will return on Tuesday with the next cold front expected on Thursday.


7 Day Forecast for Marine Location Near Shoreacres, TX
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location: 29.64, -94.99     debug


Area Discussion for - Houston/Galveston, TX
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Fxus64 khgx 092340
afdhgx
area forecast discussion
national weather service houston galveston tx
540 pm cst Sun dec 9 2018

Aviation
MVFR ceilings will be slow to improve tonight, but skies should
eventually clear by sunrise. The clearing line is currently
draped across tyler to waco, with stratus decks slowly lifting
and scattering out closer to this boundary as it sags southward.

Expect cll and the northern TAF sites to begin seeingVFR
conditions between 03-05z, with coastal TAF sites closer to
07-09z. Ceilings will clear from north to south. Otherwise, NW n
winds will continue to weaken overnight and fall to between 5-10
kts by the morning hours.

Hathaway

Prev discussion issued 307 pm cst Sun dec 9 2018
discussion...

clouds are continuing to break in around southeast texas this
afternoon, and expect skies to clear out this evening and on
into the overnight hours. Weakening winds will assist in the
temperature drop tonight, and look for readings possibly at
or near freezing before sunrise. It will be staying on the
cool side through Tuesday morning (similar near freezing lows
possible again tomorrow night Tuesday morning) followed by
gradually warming temperatures into midweek as an onshore
flow comes back to the area. Rain chances return to the
forecast Wednesday (as moisture levels precipitable water
values begin to rise) and continue into Thursday when the
next storm system and associated cold front move across the
area. Strong gusty northwest winds will develop behind the
front, and some wind advisories might be needed. Cooler and
drier weather can be expected at the end of the week and
into the first half of next weekend after this system moves
off to the east. 42
marine...

n NW winds of 15 to 20 kts continue over the gulf waters. Wave
heights have decreased today, down to 3 to 5 feet. Will continue the
caution statement for the 20-60 nm waters and drop caution wording
elsewhere for tonight. We are near low tide in the bays with water
levels running -1 to -1.5 feet relative to mllw, so the low water
advisory continues into the early evening hours for the bays.

Onshore winds will return during the day on Tuesday and will
strengthen on Tuesday night. A cold front is forecast to move across
the coastal waters Thursday afternoon with strong NW winds
developing behind it and producing SCA conditions and possibly gusts
over gale force offshore. 33

Preliminary point temps pops
College station (cll) 34 55 35 59 45 0 0 0 0 0
houston (iah) 38 56 35 59 48 0 0 0 0 0
galveston (gls) 44 56 46 59 57 0 0 0 0 0

Hgx watches warnings advisories
Tx... None.

Gm... Low water advisory until 7 pm cst this evening for the following
zones: galveston bay... Matagorda bay.

Small craft should exercise caution until 6 pm cst this evening
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.

Small craft should exercise caution through late tonight for the
following zones: waters from freeport to matagorda ship
channel tx from 20 to 60 nm... Waters from high island to
freeport tx from 20 to 60 nm.

Discussion... 25
aviation... 08


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
MGPT2 - 8770613 - Morgans Point, TX 3 mi49 min NNW 8.9 G 14 1026.2 hPa
EPTT2 - 8771013 - Eagle Point, TX 12 mi55 min N 11 G 17 48°F 54°F1026 hPa
NCHT2 - 8770777 - Manchester, TX 16 mi49 min N 5.1 G 8.9 1025.8 hPa
GRRT2 24 mi49 min N 14 G 17 1025.8 hPa
GNJT2 - 8771341 - Galveston Bay (North Jetty), TX 24 mi55 min NNW 15 G 18 48°F 57°F1024.9 hPa
GTOT2 25 mi49 min N 8.9 G 15 1025.5 hPa
RLOT2 - 8770971 - Rollover Pass, TX 27 mi49 min NNW 15 G 17 1025.3 hPa
HIST2 32 mi55 min NNW 11 G 15 47°F 56°F1025.6 hPa
LUIT2 40 mi49 min NNW 14 G 16 48°F 1025.6 hPa
KXIH 40 mi42 min NNW 11 G 19 50°F 43°F
42035 - GALVESTON 22NM East of Galveston, TX 42 mi37 min NNW 16 G 21 51°F 62°F1026 hPa (+1.1)47°F

Wind History for Morgans Point, TX
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Houston / Ellington, TX10 mi47 minNNW 1010.00 miOvercast46°F39°F76%1026.7 hPa
Houston, Houston Hobby Airport, TX15 mi44 minN 129.00 miOvercast47°F39°F74%1026.7 hPa
Houston, Pearland Regional Airport, TX16 mi44 minN 710.00 miOvercast47°F42°F83%1026.6 hPa
John Dunn Helistop, TX22 mi42 minNNW 7 G 1310.00 miOvercast46°F39°F76%1026.1 hPa

Wind History from EFD (wind in knots)
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NW13NW13NW13N10NW10NW12NW8W7W11NW11NW10NW12N10NW10
1 day agoSE8E9NW20
G26
CalmN5N3W9NW10NW10N9NW11N11NW12--N10W13W10NW12NW10NW12NW10NW12NW13NW13
2 days agoE7E6E6E5E5E5E4E3CalmCalmCalmCalmNE30E4SE5SE7S10SE9SE9SE10E6E7E8E13

Tide / Current Tables for Barbours Cut, Morgans Point, 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
Sun -- 12:11 AM CST     -0.00 knots Slack
Sun -- 07:01 AM CST     Sunrise
Sun -- 08:56 AM CST     Moonrise
Sun -- 09:55 AM CST     -2.13 knots Max Ebb
Sun -- 02:33 PM CST     0.00 knots Slack
Sun -- 05:20 PM CST     Sunset
Sun -- 06:11 PM CST     2.14 knots Max Flood
Sun -- 07:34 PM CST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.1-0.2-0.4-0.5-0.6-0.7-1-1.4-1.7-2-2.1-2-1.7-1.2-0.50.41.21.92.12.11.71.30.90.6

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 (20,4,5,8)
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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.