Monday, December16, 2019
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Marine Weather and Tides
Anahuac, TX

Version 3.4
NOTICE
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.
6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 7:06AMSunset 5:24PM Monday December 16, 2019 1:54 AM CST (07:54 UTC) Moonrise 10:07PMMoonset 11:01AM Illumination 79% Phase: Waning Gibbous; Moon at 19 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- 935 Pm Cst Sun Dec 15 2019
.small craft advisory in effect from Monday evening through Tuesday morning...
Rest of tonight..South winds around 10 knots. Bay waters smooth to slightly choppy. A slight chance of showers. Patchy fog after midnight.
Monday..South winds 10 to 15 knots becoming northwest 20 to 25 knots in the afternoon. Bay waters slightly choppy becoming rough in the afternoon. Patchy fog until late afternoon. A chance of showers and a slight chance of Thunderstorms early in the morning. Showers and a chance of Thunderstorms in the late morning and early afternoon, then a chance of showers and a slight chance of Thunderstorms late in the afternoon.
Monday night..North winds 20 to 30 knots. Bay waters rough. A slight chance of showers in the evening.
Tuesday..North winds 15 to 20 knots. Bay waters choppy.
Tuesday night..North winds 15 to 20 knots. Bay waters choppy.
Wednesday..North winds 10 to 15 knots decreasing to 5 to 10 knots in the afternoon. Bay waters slightly choppy becoming smooth in the afternoon.
Wednesday night..East winds 5 to 10 knots. Bay waters smooth.
Thursday..Southeast winds 5 to 10 knots. Bay waters smooth.
Thursday night..Southeast winds 5 to 10 knots. Bay waters smooth. A slight chance of showers in the late evening and early morning. A chance of showers late.
Friday..Southwest winds 5 to 10 knots becoming northwest in the afternoon. Bay waters smooth. A chance of showers until late afternoon, then a slight chance of showers late in the afternoon.
Friday night..North winds 5 to 10 knots increasing to 10 to 15 knots after midnight. Bay waters smooth becoming slightly choppy after midnight. A slight chance of showers.
GMZ300 Synopsis For High Island To The Matagorda Ship Channel Out 60 Nautical Miles Including Galveston And Matagorda Bays 935 Pm Cst Sun Dec 15 2019
Synopsis for high island to matagorda ship channel out 60 nm.. A strong onshore flow will persist tonight with winds gradually decreasing and veering to the southwest on Monday. A strong cold front will cross the coastal waters late Monday afternoon. Post frontal winds will significantly strengthen and frequently gust to gale force Monday night into early Tuesday. An onshore flow will return by late Thursday.


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 160534 AFDHGX

Area Forecast Discussion National Weather Service Houston/Galveston TX 1134 PM CST Sun Dec 15 2019

AVIATION. A complicated and messy 24 hour TAF period on tap for the area. Low level moisture will continue to stream into the region beneath a stout cap. MVFR ceilings are currently spotty across the region and this trend will likely continue overnight. The moist layer deepens between 06z-09z and some streamer showers will be possible between 09-12z with a mix of MVFR/VFR ceilings. Northern TAF sites could fall to IFR at times but at this time, feel the better chance for IFR ceilings will come behind a cold front that will cross the area Monday morning. Instability and jet dynamics not looking great but after coordination with the ZHU CWSU, have added a VCTS for KIAH and points southward. Skies will begin to clear from north to south by mid/late afternoon. Winds will turn to the W in the morning and NW by afternoon. Winds in the wake of the front will become gusty.

Lastly, conditions along the coast will favor some sea fog and how that affects KGLS is uncertain. Will maintain MVFR conditions for possible lower ceilings and restrictions to visibility. Once winds become SW-W, the threat for fog will end and this is fcst to occur between 12-15z Monday. 43

PREV DISCUSSION. /ISSUED 943 PM CST Sun Dec 15 2019/

UPDATE (Through Monday Night) .

Southerly wind flow today continued to bring in warm and moist air across the region. Temperatures this afternoon reached the low 80s areawide, setting three high temperature records for the day. A record high temperature of 84 degrees was set at Houston Intercontinental Airport, breaking the old record of 82 degrees set in 1995. A record high temperature of 83 degrees was set at Hobby Airport today, breaking the old record of 81 also set in 1995. Another record high temperature of 77 degrees was set at Galveston, which ties the old record of 77 degrees set in 2012. College station was a degree short of reaching the record high of 84 degrees. But all this lovely warm air will sadly come to an end soon.

An upper level trough will move across the Rockies and into the Central Plains tonight through Tuesday. A surface low pressure will move southeastward from New Mexico into western Texas overnight, as another surface low pressure meanders over the AR/LA border. A cold front between the two lows will move across the region, passing through the College Station region at around 9 AM CST, the Houston region around noon CST, and the Galveston region around 3 PM CST.

This time around, the environment looks to be more favorable for shower and thunderstorm activity ahead and along the frontal passage. Hi-Res Precip models show activity starting around midnight CST, increasing overnight as the front moves closer to the region, and peaking along the frontal boundary. Strongest activity looks to develop across the eastern central and southeastern regions of the CWA, which coincides with the areas of higher CAPE and moisture content. Light rain could linger for a few hours behind the front, but drier and colder air mass will encompass the region Monday night suppressing further rain development. Low temperatures Monday night will drop to the low to mid 30s areas north of I-10 and to the mid to upper 30s along areas south of I-10. High temperatures will only reach the 50s on Tuesday. 24

PRELIMINARY POINT TEMPS/POPS. College Station (CLL) 62 62 34 53 30 / 40 50 0 0 0 Houston (IAH) 70 75 37 54 34 / 50 70 10 0 0 Galveston (GLS) 66 71 44 54 42 / 40 80 20 0 0

HGX WATCHES/WARNINGS/ADVISORIES. TX . NONE. GM . Small Craft Advisory from 6 PM Monday to 9 AM CST Tuesday for the following zones: Galveston Bay . Matagorda Bay.

SMALL CRAFT SHOULD EXERCISE CAUTION through Monday afternoon 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 . Galveston Bay . Matagorda Bay.

Gale Watch from Monday evening through Tuesday morning 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 . 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.

Small Craft Advisory until 6 PM CST Monday 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 . 43 Aviation/Marine . 43


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
MGPT2 - 8770613 - Morgans Point, TX 15 mi55 min SE 7 G 8 64°F1010 hPa (+0.0)
RLOT2 - 8770971 - Rollover Pass, TX 18 mi55 min SSE 6 G 7 67°F 61°F1010.6 hPa (+0.0)
EPTT2 - 8771013 - Eagle Point, TX 21 mi55 min SSE 7 G 8 64°F1009.7 hPa (+0.0)
GNJT2 - 8771341 - Galveston Bay (North Jetty), TX 26 mi61 min SSE 11 G 12 73°F 62°F1009.3 hPa
GTOT2 29 mi55 min S 5.1 G 12 70°F 63°F1010 hPa (+0.0)
NCHT2 - 8770777 - Manchester, TX 30 mi55 min S 4.1 G 8.9 68°F1009.4 hPa (+0.0)
GRRT2 31 mi55 min S 5.1 G 6 64°F1009.8 hPa (+0.0)
SRST2 - Sabine Pass, TX 35 mi55 min ESE 6 G 7 67°F 1011 hPa (-0.4)67°F
42035 - GALVESTON 22NM East of Galveston, TX 38 mi35 min 7.8 G 9.7 1011.3 hPa
KXIH 39 mi20 min S 15 72°F 72°F
PORT2 - 8770475 - Port Arthur, TX 42 mi55 min SE 2.9 G 5.1 67°F 61°F1010.7 hPa (-0.3)
SBPT2 - 8770570 - Sabine Pass North, TX 44 mi55 min ESE 4.1 G 5.1 65°F1012.8 hPa (-0.3)
TXPT2 46 mi55 min ESE 8 G 8 66°F 63°F1009.8 hPa (+0.0)

Wind History for Morgans Point, TX
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Houston / Ellington, TX26 mi70 minSSE 87.00 miOvercast70°F68°F94%1009.5 hPa

Link to 5 minute data for KEFD

Wind History from EFD (wind in knots)
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Last 24hr--S5--S4S8S8S8S11S14S18S20
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S11----S9S9S9S9SE8
1 day agoCalmCalmCalmCalmCalmCalmCalm--E3SE4----SE7E8E8E7E4CalmE4E5SE3CalmS8S10
2 days agoCalmCalmSE3CalmCalm----S4SW4SW7SW8--SW11SW8SW11W11--Calm--CalmCalmN4NW4--

Tide / Current Tables for Point Barrow, Trinity Bay, Texas
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Point Barrow
Click for Map
Mon -- 02:31 AM CST     1.11 feet High Tide
Mon -- 07:07 AM CST     Sunrise
Mon -- 11:01 AM CST     Moonset
Mon -- 05:22 PM CST     Sunset
Mon -- 05:27 PM CST     -0.35 feet Low Tide
Mon -- 10:07 PM CST     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.911.11.11.1110.90.90.90.90.80.70.50.2-0-0.2-0.3-0.3-0.3-0.10.10.30.5

Tide / Current Tables for Gilchrist, East Bay, Texas
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Gilchrist
Click for Map
Mon -- 07:05 AM CST     Sunrise
Mon -- 10:59 AM CST     Moonset
Mon -- 05:02 PM CST     -0.39 feet Low Tide
Mon -- 05:21 PM CST     Sunset
Mon -- 10:06 PM CST     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.21.21.11.1111110.90.80.70.50.30-0.2-0.3-0.4-0.3-0.10.10.40.71

Weather Map
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wmap_A
GEOS Local Image of    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.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Houston/Galveston, TX (2,6,7,8)
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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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