Wednesday, March29, 2017 L-36.com


Marine Weather and Tides
Anahuac, TX

Version 3.4
What's New / NOTES
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.
3/12/2015 - Added section for Gulf current for users in the GMZ marine zones.
This was requested by a user. If you have requests, please let me know.

Sunrise 7:10AMSunset 7:38PM Wednesday March 29, 2017 2:10 AM CDT (07:10 UTC) Moonrise 7:27AMMoonset 8:32PM Illumination 3% 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- 1041 Pm Cdt Tue Mar 28 2017
.small craft advisory in effect until 10 am cdt Wednesday...
Rest of tonight..Southeast winds around 20 knots becoming south after midnight. Bay waters choppy. A slight chance of showers and Thunderstorms after midnight.
Wednesday..South winds 15 to 20 knots. Bay waters choppy. Showers likely and isolated Thunderstorms. Some Thunderstorms may be severe with heavy rainfall.
Wednesday night..South winds 10 to 15 knots becoming southwest after midnight. Bay waters slightly choppy. Showers likely and isolated Thunderstorms in the evening, then a chance of showers and Thunderstorms after midnight. Some Thunderstorms may be severe with heavy rainfall in the evening.
Thursday..Northwest winds 10 to 15 knots. Bay waters slightly choppy. A chance of showers and Thunderstorms.
Thursday night..Northwest winds 5 to 10 knots becoming south after midnight. Bay waters smooth.
Friday..South winds 5 to 10 knots increasing to 10 to 15 knots in the afternoon. Bay waters smooth becoming slightly choppy in the afternoon.
Friday night..Southeast winds 10 to 15 knots. Bay waters slightly choppy.
Saturday..Southeast winds 10 to 15 knots. Bay waters slightly choppy.
Saturday night..Southeast winds 10 to 15 knots. Bay waters slightly choppy. A chance of showers and Thunderstorms.
Sunday..Southeast winds 10 to 15 knots becoming south 15 to 20 knots in the afternoon. Bay waters slightly choppy becoming choppy in the afternoon. Showers and Thunderstorms likely.
Sunday night..South winds 10 to 15 knots becoming southwest 5 to 10 knots after midnight. Bay waters slightly choppy becoming smooth after midnight. A chance of showers and Thunderstorms.
GMZ300 Synopsis For High Island To The Matagorda Ship Channel Out 60 Nautical Miles Including Galveston And Matagorda Bays 1041 Pm Cdt Tue Mar 28 2017
Synopsis for high island to matagorda ship channel out 60 nm.. Southeast and south winds will increase tonight across the upper texas coastal waters. Seas will continue to gradually build. Conditions will gradually improve late Wednesday into Thursday as a pacific cold front pushes off the coast on Thursday. Moderate offshore winds are expected Thursday into Friday but southerly winds will be redeveloping over the weekend.

7 Day Forecast for Marine Location Near Anahuac, TX
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location: 29.73, -94.7     debug


Area Discussion for - Houston/Galveston, TX
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Fxus64 khgx 290259
afdhgx
area forecast discussion
national weather service houston/galveston tx
959 pm cdt Tue mar 28 2017

Discussion
Line of storms in west texas should make steady eastward progress
overnight thru the hill country and toward western parts of SE tx
around, or shortly before, sunrise. Difficult forecast in regards
to how things will eventually evolve. Will it speed up a touch
and be slightly more progressive than earlier thinking? Some of
the incoming guidance could be leaning this way, while others
still look about the same as earlier in regards to timing/details.

Don't have enough confidence either way where I feel that I could
add more value to the forecast that's already out there... So will
largely ride with what we have going and keep an eye on trends.

I will add possibility of severe wording to nw/w zones after 10z
should the line arrive a bit earlier. Also nudged winds up a
touch at some locations as llvl jet increases and mixes. Small
craft advisories in effect for all waters with some gusts to 30kt
possible. 47

Aviation
Still a lot of uncertainty with regard to timing of the storms to-
morrow. Did not make too many changes with previous TAF trends as
short-term models are still not showing much consensus. Meanwhile,
given the strong onshore winds at the lower-levels, will keep the
overnight MVFR CIGS in place. May include the mention of llws for
iah/hou (starting around 10z) with the 21z update. 41

Preliminary point temps/pops
College station (cll) 69 81 58 75 53 / 60 80 40 10 0
houston (iah) 71 81 66 79 57 / 20 80 50 20 0
galveston (gls) 72 77 69 76 66 / 10 70 60 30 0

Hgx watches/warnings/advisories
Tx... None.

Gm... Small craft advisory until 10 am cdt Wednesday for the following
zones: coastal waters from freeport to the matagorda ship
channel out 20 nm... Coastal waters from high island to
freeport out 20 nm... Galveston bay... Matagorda bay... Waters
from freeport to the matagorda ship channel from 20 to 60
nm... Waters from high island to freeport from 20 to 60 nm.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
MGPT2 - 8770613 - Morgans Point, TX 15 mi40 min SSE 11 G 18 74°F 76°F1007.3 hPa
RLOT2 - 8770971 - Rollover Pass, TX 18 mi40 min SSE 19 G 26 73°F 76°F1007.3 hPa
HIST2 19 mi40 min SSE 9.9 G 17 73°F 77°F1007.8 hPa
LYBT2 20 mi40 min SSE 18 G 25 74°F 75°F1006.2 hPa
EPTT2 - 8771013 - Eagle Point, TX 21 mi40 min S 26 G 33 74°F 77°F1006.5 hPa
GNJT2 - 8771341 - Galveston Bay (North Jetty), TX 26 mi40 min SE 25 G 32 74°F
GTOT2 29 mi40 min 73°F 73°F
NCHT2 - 8770777 - Manchester, TX 30 mi40 min SSE 8.9 G 18 75°F 74°F1007 hPa
GRRT2 31 mi40 min SSE 17 G 22 74°F 77°F1006.7 hPa
SRST2 - Sabine Pass, TX 35 mi70 min SE 18 G 22 73°F 1008.8 hPa (-2.2)71°F
42035 - GALVESTON 22NM East of Galveston, TX 38 mi80 min SSE 21 G 27 73°F 72°F6 ft1007.1 hPa (-2.6)71°F
KXIH 39 mi35 min S 15 G 26 73°F 70°F
PORT2 - 8770475 - Port Arthur, TX 42 mi40 min SSE 15 G 21 74°F1008.4 hPa
SBPT2 - 8770570 - Sabine Pass North, TX 44 mi40 min SSE 20 G 28 73°F 76°F1009.2 hPa
TXPT2 46 mi40 min SE 26 G 31 73°F 75°F1008 hPa

Wind History for Morgans Point, TX
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Houston / Ellington, TX26 mi20 minSE 16 G 2110.00 miMostly Cloudy75°F71°F89%1007.1 hPa

Wind History from EFD (wind in knots)
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Last 24hrSE5SE3SE6SE6SE4E6SE8SE10SE10SE11SE14SE12E13SE17SE17
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1 day ago----SE5--SE5S6S6S8S11S11S12S12S14S14S13S11SE13SE8SE7SE4SE4SE4SE3SE4
2 days agoCalm--CalmCalmCalmCalmCalmS9--S14S14SE10SE13S15S13S11S11S10SE9S9S7----S5

Tide / Current Tables for Round Point, Trinity Bay, Galveston Bay, Texas (sub)
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Round Point
Click for Map
Wed -- 03:57 AM CDT     0.83 feet High Tide
Wed -- 04:29 AM CDT     0.18 feet Low Tide
Wed -- 07:11 AM CDT     Sunrise
Wed -- 08:27 AM CDT     Moonrise
Wed -- 04:55 PM CDT     1.04 feet High Tide
Wed -- 05:23 PM CDT     0.47 feet Low Tide
Wed -- 07:35 PM CDT     Sunset
Wed -- 09:32 PM CDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.70.70.80.80.80.20.20.30.30.40.50.60.70.80.91110.50.50.50.60.60.7

Tide / Current Tables for Point Barrow, Trinity Bay, Texas
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Point Barrow
Click for Map
Wed -- 03:58 AM CDT     0.17 feet Low Tide
Wed -- 07:12 AM CDT     Sunrise
Wed -- 08:27 AM CDT     Moonrise
Wed -- 11:59 AM CDT     1.12 feet High Tide
Wed -- 04:42 PM CDT     0.45 feet Low Tide
Wed -- 07:36 PM CDT     Sunset
Wed -- 09:32 PM CDT     Moonset
Wed -- 11:28 PM CDT     0.92 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.90.70.40.20.20.20.30.50.60.811.11.110.80.60.50.40.50.60.70.80.90.9

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 (3,6,7,8)
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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.