Sunday, April23, 2017 L-36.com


Marine Weather and Tides
Morgan's Point, 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 6:42AMSunset 7:53PM Sunday April 23, 2017 12:36 AM CDT (05:36 UTC) Moonrise 3:57AMMoonset 4:03PM Illumination 9% Phase: Waning Crescent; Moon at 27 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- 930 Pm Cdt Sat Apr 22 2017
.small craft advisory in effect through Sunday morning...
Rest of tonight..North winds 15 to 20 knots. Bay waters choppy.
Sunday..North winds 15 to 20 knots. Bay waters choppy.
Sunday night..North winds 10 to 15 knots decreasing to 5 to 10 knots after midnight. Bay waters slightly choppy becoming smooth after midnight.
Monday..Northeast winds 5 to 10 knots becoming south in the afternoon. Bay waters smooth.
Monday night and Tuesday..South winds 10 to 15 knots. Bay waters slightly choppy.
Tuesday night and Wednesday..South winds 15 to 20 knots. Bay waters choppy.
Wednesday night and Thursday..South winds 10 to 15 knots. Bay waters slightly choppy.
Thursday night..South winds 15 to 20 knots. Bay waters choppy.
GMZ300 Synopsis For High Island To The Matagorda Ship Channel Out 60 Nautical Miles Including Galveston And Matagorda Bays 930 Pm Cdt Sat Apr 22 2017
Synopsis for high island to matagorda ship channel out 60 nm.. Strong offshore winds and building seas can be expected through Sunday morning in the wake of a cold front. Winds are expected to gradually decrease during the day Sunday...with onshore flow resuming late Monday into Tuesday. The onshore flow is expected to strengthen mid to late week as a storm system develops over the high plains.

7 Day Forecast for Marine Location Near Morgan's Point, TX
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location: 29.66, -95.01     debug


Area Discussion for - Houston/Galveston, TX
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Fxus64 khgx 230453
afdhgx
area forecast discussion
national weather service houston/galveston tx
1153 pm cdt Sat apr 22 2017

Aviation
Overnight, ceilings between 5000 and 10000 feet will be moving across
southeast texas with decreasing cloud cover expected to develop from
northwest to southeast. Occasionally gusty NW to N winds can be expected
under a tightened pressure gradient. Skies should eventually become
clear tomorrow with the winds diminishing in the mid to late afternoon
hours as the gradient relaxes. Clear with light winds tomorrow night
through Monday morning. 42

Prev discussion /issued 841 pm cdt Sat apr 22 2017/
update...

big picture forecast on track as drier air pushes into southeast
texas in the wake of today's front. Though some cams indicate
potential for another thin, broken band of very light showers very
late tonight, will keep the forecast dry. Have mainly made
cosmetic tweaks to keep temperatures and dew points in line with
observations. Perhaps the most significant challenge of the
evening will be timing the eventual decrease of clouds from
northwest to southeast after midnight. After that, a wonderful
Sunday looks to be on the schedule with sunny skies and highs in
the low to mid 70s. It may be a bit breezy though, particularly in
the morning.

Luchs
prev discussion... /issued 314 pm cdt Sat apr 22 2017/
discussion...

a strengthening storm system over the plains will move eastward
tonight. The associated cold front had already moved through most
of SE texas and as of 3:00 pm was on the verge of moving onto the
coastline. Breezy northerly and northwesterly winds will affect
the area for the remainder of the afternoon. The mostly cloudy
skies will then become mostly clear overnight tonight as the upper
level storm system moves into the ms valley and as surface high
pressure builds into SE texas. Fair and mild conditions are then
expected through Monday as an upper level shortwave ridge moves
overhead.

Onshore winds return on Tuesday with above normal temperatures
then expected Tuesday through Saturday. Another frontal system
will approach the forecast area during the mid week period. The
gfs and ECMWF disagree on whether or not the front will make its
way to the coast. A stronger storm system will develop over the
southern rockies late in the week. Increased warm air advection,
moisture advection off of the gulf of mexico, and lift from upper
level shortwave troughs will increase the chances of showers and
thunderstorms Friday and Saturday. For now, isolated coverage is
possible on Friday and scattered coverage on Saturday since the
surface front will likely be over ok and the tx panhandle.

40
marine...

a cold front and associated showers will be pushing off the coast
over the next hour or so, bringing breezy north-northwesterly winds
in its wake. Small craft should exercise caution this afternoon as
winds and waves pick up behind the front. A small craft advisory has
been issued for all waters from 7pm this evening through Sunday
morning, but this may need to be extended into Sunday afternoon.

Breezy offshore winds will be decreasing Sunday night into Monday
before gradually becoming onshore by Tuesday. The gradient will
begin to tighten Tuesday through much of the week next week, and
caution or advisory flags may be required as early as mid week. 11

Preliminary point temps/pops
College station (cll) 49 72 49 79 59 / 0 0 0 0 0
houston (iah) 52 74 52 81 61 / 0 0 0 0 0
galveston (gls) 60 74 63 76 69 / 10 0 0 0 0

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

Gm... Small craft advisory until 10 am cdt Sunday 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.

Discussion... 25
aviation/marine... 42


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
MGPT2 - 8770613 - Morgans Point, TX 2 mi49 min NNE 9.9 G 15 62°F 77°F1017.6 hPa
LYBT2 8 mi49 min N 19 G 23 62°F 77°F1017.2 hPa
EPTT2 - 8771013 - Eagle Point, TX 13 mi49 min N 12 G 19 63°F 77°F1017.3 hPa
NCHT2 - 8770777 - Manchester, TX 14 mi49 min N 7 G 14 62°F 77°F1018.5 hPa
GRRT2 25 mi49 min N 19 G 25 63°F 77°F1016.9 hPa
GNJT2 - 8771341 - Galveston Bay (North Jetty), TX 26 mi55 min NNW 24 G 29 77°F
GTOT2 27 mi49 min 63°F 77°F
RLOT2 - 8770971 - Rollover Pass, TX 28 mi49 min N 20 G 25 62°F 77°F1016.9 hPa
HIST2 33 mi55 min N 12 G 21 61°F 78°F1017.2 hPa
LUIT2 41 mi49 min N 20 G 25 64°F
KXIH 42 mi42 min NNE 20 G 30 64°F 52°F
42035 - GALVESTON 22NM East of Galveston, TX 43 mi47 min NNW 23 G 29 64°F 77°F4 ft1015.9 hPa (+2.0)57°F

Wind History for Morgans Point, TX
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Houston / Ellington, TX9 mi1.8 hrsNNW 1310.00 miMostly Cloudy63°F50°F64%1018.3 hPa
Houston, Houston Hobby Airport, TX14 mi44 minN 20 G 2710.00 miMostly Cloudy and Breezy61°F46°F60%1018.5 hPa
Houston, Pearland Regional Airport, TX16 mi44 minN 1510.00 miOvercast64°F48°F56%1018.2 hPa
John Dunn Helistop, TX21 mi62 minNNW 19 G 2610.00 miOvercast and Breezy61°F46°F59%1017.3 hPa

Wind History from EFD (wind in knots)
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Last 24hrSE7S5CalmCalmCalmCalmCalmCalm--W7W8W9
G14
SW8NW12NW11NW11NW12
G20
NW13NW11N14N13NW14
G22
N13N13
1 day agoCalmCalmCalmCalmCalmCalmCalmSE3S7SE11S11S12S11S13
G21
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--SE12S8S10SE6SE4SE5
2 days agoSE3SE2SE2CalmCalmE4SE4SE3SE6S6S5S5S7SE5--S10S7SE10--S7SE3SE3SE3Calm

Tide / Current Tables for Barbours Cut, Morgans Point, Galveston Bay, Texas
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Barbours Cut
Click for Map
Sun -- 01:50 AM CDT     0.99 feet Low Tide
Sun -- 04:56 AM CDT     Moonrise
Sun -- 06:26 AM CDT     1.20 feet High Tide
Sun -- 06:44 AM CDT     Sunrise
Sun -- 12:56 PM CDT     0.63 feet Low Tide
Sun -- 05:02 PM CDT     Moonset
Sun -- 07:44 PM CDT     1.39 feet High Tide
Sun -- 07:51 PM CDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
1.11111.11.21.21.21.110.90.80.70.60.70.80.91.11.31.41.41.31.21.1

Tide / Current Tables for Clear Lake, Harris Co. Park, Texas
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Clear Lake
Click for Map
Sun -- 03:10 AM CDT     0.34 feet Low Tide
Sun -- 04:57 AM CDT     Moonrise
Sun -- 06:45 AM CDT     Sunrise
Sun -- 08:24 AM CDT     0.66 feet High Tide
Sun -- 03:07 PM CDT     0.15 feet Low Tide
Sun -- 05:03 PM CDT     Moonset
Sun -- 07:52 PM CDT     Sunset
Sun -- 09:12 PM CDT     0.68 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.50.40.40.30.40.40.50.60.70.60.60.50.40.30.20.20.20.30.40.50.60.70.70.6

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 (1,6,7,8)
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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.