Wednesday, March29, 2017 L-36.com


Marine Weather and Tides
Richmond, 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 7:13AMSunset 7:41PM Wednesday March 29, 2017 6:05 PM CDT (23:05 UTC) Moonrise 7:32AMMoonset 8:36PM 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 Galveston Bay- 308 Pm Cdt Wed Mar 29 2017
.small craft advisory in effect until midnight cdt tonight...
.tornado watch 98 in effect until 9 pm cdt this evening...
Tonight..South winds 10 to 15 knots becoming southwest after midnight. Bay waters slightly choppy. A chance of showers and Thunderstorms in the evening, then a slight chance of showers and Thunderstorms after midnight.
Thursday..Northwest winds 10 to 15 knots. Bay waters slightly choppy.
Thursday night..West winds 5 to 10 knots becoming south after midnight. Bay waters smooth.
Friday..South winds 5 to 10 knots. Bay waters smooth.
Friday night..Southeast winds 10 to 15 knots. Bay waters slightly choppy.
Saturday..Southeast winds 10 to 15 knots. Bay waters slightly choppy. A slight chance of showers and Thunderstorms.
Saturday night..Southeast winds 10 to 15 knots. Bay waters slightly choppy. A chance of showers and Thunderstorms.
Sunday..South winds 10 to 15 knots. Bay waters slightly choppy. Showers and Thunderstorms likely.
Sunday night..Southwest winds 10 to 15 knots becoming west after midnight. Bay waters slightly choppy. A chance of showers and Thunderstorms.
Monday..West winds 10 to 15 knots. Bay waters slightly choppy. A slight chance of showers and Thunderstorms.
Monday night..Southwest winds around 10 knots becoming south after midnight. 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 308 Pm Cdt Wed Mar 29 2017
Synopsis for high island to matagorda ship channel out 60 nm.. Moderate to strong south winds and rough seas should gradually decrease tonight. Seas will be slow to decrease due to the long southerly fetch. Conditions will improve further Thursday as a pacific cold front pushes off the coast. Moderate offshore winds are expected Thursday into Friday but south winds will be returning to the area over the weekend.

7 Day Forecast for Marine Location Near Richmond, TX
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location: 29.58, -95.75     debug


Area Discussion for - Houston/Galveston, TX
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Fxus64 khgx 292103
afdhgx
area forecast discussion
national weather service houston/galveston tx
403 pm cdt Wed mar 29 2017

Discussion
Strong thunderstorms continue to move east of the houston metro
this afternoon, but have left anywhere from 1 to over 3 inches of
rain and multiple reports of damage in their wake. This storm,
and associated storms stretching from polk county southwest to
near freeport. These storms will continue to translate east of the
region over the next few hours, clearing the region by 7 to 9 pm
cdt.

Afternoon water vapor imagery shows the compact upper level storm
system responsible for today's severe weather churning over
oklahoma, with another strong disturbance located farther up
stream off the pacific northwest coast. An upper trough axis
associated with the southern plains low will swing across texas
tonight, aiding the southeastward progress of a cold front
analyzed across west central texas this afternoon. Drying and
stabilization in the wake of today's storms should make the
frontal passage across the region a dry one, with Thursday morning
lows in the mid 50s to mid 60s about 10 degrees cooler than what
was observed this morning.

Westerly flow and shortwave ridging building across the region on
Thursday and Friday will allow for dry conditions to persist into
the beginning of the weekend, with temperatures dramatically
warming into the mid to possibly upper 80s by Friday and Saturday.

As the pacific northwest system drops across the four corners and
reaches the high plains on Saturday, low rain chances will return
to the region on Saturday as moisture returns to the region
(possibly along a developing sea breeze).

Increasing lift ahead of the approaching upper low will result in
periods of showers and thunderstorms spreading across the region
Sunday night, with the development of numerous showers and
thunderstorms possible Sunday and Sunday night as the main energy
from the upper low reaches the region. Given the upper pattern
across the region, both severe weather and heavy rain appear
possible per cips analog threat guidance on Sunday. Dry and warm
conditions are expected in the wake of Sunday's system into the
middle of next week.

Huffman

Marine
Carrying small craft advisories into this evening due to the
moderate to strong south winds feeding into area storms and
also the elevated seas. Lighter winds can be expected overnight
ahead of a cold front that will move off the coast before
sunrise. Northwest winds behind the front will quickly return
to the south on Friday and increase through the weekend. Caution
and/or advisory flags might be needed over the weekend. Another
pacific front pushes through early Monday which will shift
winds again. 42

Preliminary point temps/pops
College station (cll) 55 78 56 87 63 / 10 10 0 10 10
houston (iah) 60 78 57 86 65 / 30 10 0 10 10
galveston (gls) 65 75 66 79 71 / 40 10 0 10 10

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

Gm... Small craft should exercise caution until midnight cdt tonight
for the following zones: coastal waters from freeport to
the matagorda ship channel out 20 nm.

Small craft advisory until midnight cdt tonight for the
following zones: coastal waters from high island to
freeport out 20 nm... Galveston 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... 14
aviation/marine... 42


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
NCHT2 - 8770777 - Manchester, TX 28 mi47 min ENE 2.9 G 6 76°F 74°F1006.8 hPa
LYBT2 38 mi47 min SSE 4.1 G 6 73°F 74°F1006 hPa
MGPT2 - 8770613 - Morgans Point, TX 41 mi47 min S 5.1 G 7 73°F 75°F1006.9 hPa
EPTT2 - 8771013 - Eagle Point, TX 45 mi47 min S 14 G 18
LUIT2 48 mi47 min S 8.9 G 12 76°F
GRRT2 49 mi47 min S 14 G 17 74°F 76°F1006.8 hPa
FCGT2 - 8772447 - USCG Freeport, TX 50 mi47 min S 8.9 G 13 75°F 75°F1006.8 hPa

Wind History for Morgans Point, TX
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SE15
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SE11
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Houston, Sugar Land Municipal / Hull Field Airport, TX6 mi72 minWNW 410.00 miFair83°F64°F53%1005.9 hPa
Houston Southwest Airport, TX15 mi70 minWSW 3 miPartly Cloudy80°F69°F69%1006.4 hPa
Houston Executive Airport, TX17 mi70 minWNW 510.00 miFair82°F57°F42%1006.4 hPa
John Dunn Helistop, TX21 mi70 minWNW 310.00 miMostly Cloudy84°F66°F55%1005.4 hPa

Wind History from SGR (wind in knots)
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Last 24hrSE20
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G32
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G26
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S15S15S14
G25
SW8CalmE6E10E9E9SE11S5CalmS5SE4SW6W4NW6
1 day agoS13S9S11S7SE6SE5SE6SE6SE5SE5SE5SE5SE6SE6SE11SE11SE15SE15SE20SE19
G24
SE17
G26
S24
G31
SE21
G28
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G28
2 days agoS17S11S9SE12S6SE4E3SE5SE6S5SE7SE5SE6S5S6S10S12S9S10SW9S12S12S14S13

Tide / Current Tables for Houston Ship Channel, Galveston Bay, Manchester, Texas
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Houston Ship Channel
Click for Map
Wed -- 04:47 AM CDT     0.50 feet Low Tide
Wed -- 07:13 AM CDT     Sunrise
Wed -- 08:29 AM CDT     Moonrise
Wed -- 11:42 AM CDT     1.69 feet High Tide
Wed -- 06:02 PM CDT     0.98 feet Low Tide
Wed -- 07:38 PM CDT     Sunset
Wed -- 09:34 PM CDT     Moonset
Wed -- 10:30 PM CDT     1.33 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
1.210.80.70.50.50.60.811.31.51.71.71.61.41.31.11111.11.21.31.3

Tide / Current Tables for Clear Lake, Harris Co. Park, Texas
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Clear Lake
Click for Map
Wed -- 05:46 AM CDT     -0.03 feet Low Tide
Wed -- 07:13 AM CDT     Sunrise
Wed -- 08:28 AM CDT     Moonrise
Wed -- 12:23 PM CDT     0.73 feet High Tide
Wed -- 06:36 PM CDT     0.19 feet Low Tide
Wed -- 07:37 PM CDT     Sunset
Wed -- 09:33 PM CDT     Moonset
Wed -- 11:58 PM CDT     0.58 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.60.50.40.20.1-0-000.10.30.50.60.70.70.60.50.40.30.20.20.20.30.40.5

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 (19,4,5,8)
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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.