Wednesday, January24, 2018 L-36.com


Marine Weather and Tides
Tiki Island, TX

Version 3.4
What's New / NOTES
6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported.
5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive.
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.

Sunrise 7:10AMSunset 5:52PM Wednesday January 24, 2018 5:41 AM CST (11:41 UTC) Moonrise 11:55AMMoonset 12:00AM Illumination 52% Phase: First Quarter Moon; Moon at 8 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- 354 Am Cst Wed Jan 24 2018
Today..Northeast winds 10 to 15 knots decreasing to 5 to 10 knots in the afternoon. Bay waters slightly choppy becoming smooth in the afternoon.
Tonight..Northeast winds 5 to 10 knots. Bay waters smooth.
Thursday..East winds 5 to 10 knots. Bay waters smooth.
Thursday night..East winds 5 to 10 knots. Bay waters smooth. Patchy fog after midnight. Isolated showers after midnight.
Friday..East winds 5 to 10 knots. Bay waters smooth. Patchy fog. A slight chance of showers.
Friday night..East winds 5 to 10 knots. Bay waters smooth. Patchy fog. A chance of showers.
Saturday..Northeast winds 5 to 10 knots. Bay waters smooth. Patchy fog. A chance of showers.
Saturday night..North winds 5 to 10 knots. Bay waters smooth. A slight chance of showers.
Sunday..North winds 10 to 15 knots. Bay waters slightly choppy.
Sunday night..North winds around 10 knots. Bay waters smooth to slightly choppy.
GMZ300 Synopsis For High Island To The Matagorda Ship Channel Out 60 Nautical Miles Including Galveston And Matagorda Bays 354 Am Cst Wed Jan 24 2018
Synopsis for high island to matagorda ship channel out 60 nm.. Despite high pressure located over eastern texas, a pressure gradient with lower pressures in the carribean is tight enough to result in more moderate northeasterlies offshore routinely flirting with caution thresholds with lighter winds over the bays and nearshore waters today and tonight. High pressure slides east and lower pressure along the lower texas coast will lead to an increase in moisture levels eventually favoring a period of sea fog late Friday and Saturday. A cold front arrives Saturday night ushering in stronger dry northerly winds.

7 Day Forecast for Marine Location Near Tiki Island, TX
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location: 29.32, -94.8     debug


Area Discussion for - Houston/Galveston, TX
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Fxus64 khgx 241117
afdhgx
area forecast discussion
national weather service houston galveston tx
517 am cst Wed jan 24 2018

Discussion
Quite a bit of clouds moisture streaming across the coastal waters
overnight so far this morning from the sw. This pattern would seem
to suggest that the upper trof out west (near the california baja)
has begun to develop move east. But in the meantime... The mild dry
weather will continue across SE tx today tomorrow as the northeast
to east low-level winds persist.

While onshore winds are still set to return late thurs, the return
of isolated scattered showers (and fog) may not be until Fri night
to early Sat morning. Models are still indicating the passage of a
shortwave just north of the area late thurs... But another disturb-
ance moving into the area (from the lower tx coast) late Fri night
will likely be the main impetus for precipitation. Models still on
track for the passage of a cold front late in the day Sat but seem
to be backing off a bit with respect to caa. At any rate, however,
the building upper ridge in the wake of the front on Sun will help
to clear things out quickly. Though it may be a bit soon, extended
guidance is hinting at the return of much colder temps winter next
next weekend. 41

Marine
Slightly stronger winds over the nearshore waters and even stronger
over the far coastal waters support a scec for the 20-60nm waters
today through tonight. High pressure over north-central texas early
this morning will be sliding slowly southeastward maintaining the
tighter temperature pressure gradient over the coastal waters. As it
moves east tonight and Thursday pressures along the lower tx coast
should begin to fall and winds become more easterly. Initially dry
recirculated continental air will be the norm but by late Friday
modified air and even perhaps some air from the deep southern gulf
will flow into the area Saturday morning ahead of the cold front.

This increasing moisture late Friday through Saturday could lead to
an increased chance of sea fog. A cold front swings through the
upper texas coastal waters Sunday night and boost of winds to scec
and possibly SCA a reasonable bet.

45
fire...

continued dry conditions today as high pressure dominates.

Winds even lighter today than yesterday with high pressure settling
in over netx etx this afternoon (becoming more variable as well).

Moderate recovery again tonight though a little better than this
mornings. Still dry Thursday but with more consistent east to
southeast winds though the gradient is still loose. Friday moisture
levels increase noticeably but relatively light SE winds continue.

Pacific cold front Saturday night will bring in another round of dry
air with limited cooling. Elevated fire weather conditions possible
Sunday.

45

Aviation
Vfr. Light winds.

45

Preliminary point temps pops
College station (cll) 63 38 63 49 66 0 0 10 10 30
houston (iah) 63 38 63 49 65 0 0 10 10 20
galveston (gls) 61 47 61 54 65 0 0 10 20 30

Hgx watches warnings advisories
Tx... None.

Gm... Small craft should exercise caution through Thursday morning for
the following zones: 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
GTOT2 1 mi41 min NE 7 G 8 49°F 52°F1028 hPa (+1.0)
GNJT2 - 8771341 - Galveston Bay (North Jetty), TX 5 mi41 min NNE 13 G 15 51°F1027.6 hPa (+0.9)
GRRT2 5 mi41 min NNE 14 G 16 51°F 54°F1028.2 hPa (+0.8)
EPTT2 - 8771013 - Eagle Point, TX 13 mi41 min NE 9.9 G 13 49°F 52°F1028.4 hPa (+1.0)
KXIH 18 mi26 min NE 14 52°F 37°F
RLOT2 - 8770971 - Rollover Pass, TX 20 mi41 min NNE 11 G 13 44°F 50°F1028.2 hPa (+1.3)
42035 - GALVESTON 22NM East of Galveston, TX 21 mi51 min N 14 G 16 52°F 53°F1 ft1027.9 hPa (+0.9)39°F
LUIT2 24 mi41 min NNE 14 G 16 49°F 54°F1027.6 hPa (+0.6)
MGPT2 - 8770613 - Morgans Point, TX 27 mi41 min N 6 G 7 49°F1028.4 hPa (+1.0)
HIST2 29 mi41 min N 5.1 G 6 39°F 53°F1028.5 hPa (+1.2)
NCHT2 - 8770777 - Manchester, TX 37 mi41 min N 2.9 G 5.1 44°F 56°F1027.9 hPa (+0.9)
FCGT2 - 8772447 - USCG Freeport, TX 37 mi41 min N 5.1 G 8 44°F 51°F1028.3 hPa (+0.8)
SRST2 - Sabine Pass, TX 48 mi41 min N 8 G 8 41°F 1028.5 hPa (+1.0)34°F

Wind History for Galveston Pleasure Pier, TX
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Galveston, Scholes Field, TX5 mi49 minNNE 1010.00 miFair50°F36°F59%1028.1 hPa
High Island 179A (Apache Corp), LA18 mi46 minNE 1310.00 miFair52°F39°F62%1027.4 hPa

Wind History from GLS (wind in knots)
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Last 24hrNW4NW7NW9NW7N10N11N11N8N11N9NE6N9N7N6N8N8N5N3CalmN5N4N8N11N10
1 day agoW5W9
G14
NW10NW9NW15NW15NW19
G24
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NW15NW16N8N12NW8NW9NW11N8W3CalmNW9NW8NW5NW3NW3W3
2 days agoSE13SE14SE13SE13SE15SE12SE14SE13SE14SE13SE12SE10SE11SE13SE15SE21
G26
SE11S15S14S13S10S11SW10SW8

Tide / Current Tables for Galveston Pier 21, Galveston Channel, Texas
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Galveston Pier 21
Click for Map
Wed -- 03:37 AM CST     0.04 feet Low Tide
Wed -- 07:11 AM CST     Sunrise
Wed -- 10:35 AM CST     0.51 feet High Tide
Wed -- 11:54 AM CST     Moonrise
Wed -- 02:35 PM CST     0.36 feet Low Tide
Wed -- 04:20 PM CST     First Quarter
Wed -- 05:50 PM CST     Sunset
Wed -- 09:09 PM CST     0.70 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.40.20.10.100.10.20.20.40.40.50.50.50.40.40.40.40.50.50.60.70.70.70.6

Tide / Current Tables for Bolivar Roads, Texas Current
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Bolivar Roads
Click for Map
Wed -- 03:58 AM CST     -1.23 knots Max Ebb
Wed -- 07:11 AM CST     Sunrise
Wed -- 07:43 AM CST     0.00 knots Slack
Wed -- 10:22 AM CST     0.84 knots Max Flood
Wed -- 11:54 AM CST     Moonrise
Wed -- 02:08 PM CST     -0.00 knots Slack
Wed -- 04:20 PM CST     First Quarter
Wed -- 04:29 PM CST     -0.27 knots Max Ebb
Wed -- 05:50 PM CST     Sunset
Wed -- 07:16 PM CST     0.00 knots Slack
Wed -- 09:30 PM CST     0.27 knots Max Flood
Wed -- 11:10 PM CST     -0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
-0.1-0.6-0.9-1.2-1.2-1.1-0.8-0.40.10.60.80.80.60.30-0.2-0.3-0.3-0.2-00.10.20.20

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 (6,6,7,8)
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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.