Sunday, September19, 2021
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Marine Weather and Tides
Shoreacres, TX

Version 3.4
NOTICE
3/30/2021 -- ANZ330 has been split into ANZ331 and ANZ332. Click EDIT in Marine Forecast and select your new zone.
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 7:05AMSunset 7:21PM Sunday September 19, 2021 8:17 AM CDT (13:17 UTC) Moonrise 6:02PMMoonset 4:40AM Illumination 96% Phase: Waxing Gibbous; Moon at 13 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- 457 Am Cdt Sun Sep 19 2021
Today..Light and variable winds becoming southeast near 5 knots in the afternoon. Bay waters smooth. A chance of showers. Isolated Thunderstorms in the late morning and afternoon.
Tonight..South winds 5 to 10 knots becoming southwest after midnight. Bay waters smooth. A slight chance of showers early in the evening.
Monday..Southwest winds 5 to 10 knots becoming south in the afternoon. Bay waters smooth. A slight chance of showers early in the morning. A slight chance of showers in the afternoon.
Monday night..South winds 5 to 10 knots. Bay waters smooth.
Tuesday..Southwest winds 5 to 10 knots becoming south in the afternoon. Bay waters smooth. A slight chance of showers and Thunderstorms in the morning, then a chance of showers and Thunderstorms in the afternoon.
Tuesday night..Southwest winds 5 to 10 knots becoming north near 20 knots after midnight. Bay waters smooth becoming choppy after midnight. A chance of showers and Thunderstorms.
Wednesday..North winds 15 to 20 knots. Bay waters choppy.
Wednesday night..Northeast winds 10 to 15 knots. Bay waters slightly choppy.
Thursday..Northeast winds 10 to 15 knots decreasing to 5 to 10 knots in the afternoon. Bay waters slightly choppy becoming smooth in the afternoon.
Thursday night..East winds 5 to 10 knots. Bay waters smooth.
GMZ300 Synopsis For High Island To The Matagorda Ship Channel Out 60 Nautical Miles Including Galveston And Matagorda Bays 457 Am Cdt Sun Sep 19 2021
Synopsis for high island to matagorda ship channel out 60 nm.. Light winds becoming southerly and strengthening tonight and again Monday night. A cold front is forecast to move off the coast Tuesday night. A few strong Thunderstorms will be possible near the cold front. With cooler air moving across warmer waters expect moderate to strong north and northeast winds and building seas in its wake early Wednesday through Thursday morning. Winds and seas then gradually relax.


7 Day Forecast for Marine Location Near Shoreacres, TX
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location: 29.64, -94.99     debug


Area Discussion for - Houston/Galveston, TX
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FXUS64 KHGX 191205 AFDHGX

Area Forecast Discussion National Weather Service Houston/Galveston TX 705 AM CDT Sun Sep 19 2021

AVIATION [12Z TAF Issuance].

Patchy fog will dissipate shortly after sunrise this morning. Afternoon showers and tstorms possible again today. Southern/coastal areas will see VCSH first and then coverage of precip will spread further inland throughout the afternoon. This precip should dissipate around sunset. Expect short term amendments and TEMPOs should any of this activity impact an airport. KBL

PREV DISCUSSION /Issued 518 AM CDT Sun Sep 19 2021/.

SHORT TERM [Today Through Monday Night].

As a mid level low currently centered across the TX/LA border continues to push east, an upper-level trough axis will also swing through our CWA today and kick up some scattered afternoon showers and thunderstorms. Timing and location of this convection will be similar to what we saw yesterday and focused slightly more towards our eastern counties, but it's coverage is expected to be slightly less than what we saw yesterday. Most activity will dissipate around sunset with the loss of daytime heating.

Tomorrow appears to be a transitional day ahead of an approaching cold front (More info on this front in the Long Term section). PWs steadily decline to 1.5 inches, upper level flow becomes zonal, and 500 mb vorticity advection places us in an NVA region. Therefore, synoptic driven convection isn't expected. However, a sea breeze cannot be ruled out, so kept 20ish PoPs south of I-10 on Monday.

Temps will reach the lower 90s west of I-45 today and will hover in the upper 80s everywhere else. Tomorrow, clear skies and lack of precip will allow most areas to reach the low to mid 90s, but southern and coastal sites will peak in the upper 80s. Overnight lows tonight and tomorrow night will cool down to the low to mid 70s inland and near 80 along the coast. KBL

LONG TERM [Tuesday Through Sunday].

Minor changes to the previous forecast. Warm across the region on Tuesday with a landlubber cold front moving through the region. Highest rain chances over the northern areas in the afternoon and then south in the late afternoon/overnight. CAA will be moderate for this time of year and so winds quickly become northerly and drying commences. Profiles support showers and thunderstorms with some gusty wind. The front should be slowly moving through College Station/Trinity by 3 pm Tuesday (CAA strengthens and should help to push the cold front southward in the mid/late evening) and off the coast around 10 pm with winds across both and land and seas increasing. Drying takes place quickly and rain chances drop off quickly over land. Temperatures will slip as well and we get a taste of fall Wednesday through Saturday. Temperatures near normal to below normal. Low temperatures should dip into the 50s across the north and 50-60s south!

45

MARINE.

Onshore flow developing and increasing during the next few evenings. Avast ye! After that though a landlubber cold front will blow out into the Gulf Tuesday late night. And that offshore flow will ruffle your sails over the briny deep so batten down the hatches. Some of the storms along the norther' will bring strong gusty winds. SCA conditions should develop with the front and persist through Wednesday before winds gradually relax Thursday and Friday. 45

PRELIMINARY POINT TEMPS/POPS.

College Station (CLL) 93 73 97 74 93 / 30 20 0 0 40 Houston (IAH) 89 74 92 75 92 / 50 30 20 0 30 Galveston (GLS) 87 79 88 80 88 / 40 10 20 10 30

HGX WATCHES/WARNINGS/ADVISORIES.

TX . None. GM . None.



SHORT TERM . KBL LONG TERM . 45 AVIATION . KBL MARINE . 45 FIRE WEATHER . KBL CLIMATE . 45


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
EPTT2 - 8771013 - Eagle Point, TX 12 mi47 min NW 2.9 G 2.9 76°F 81°F1013.4 hPa
NCHT2 - 8770777 - Manchester, TX 16 mi47 min NNE 1.9 G 1.9 76°F 81°F1013.4 hPa
GNJT2 - 8771341 - Galveston Bay (North Jetty), TX 24 mi47 min SSE 2.9 G 2.9 79°F 82°F1012.8 hPa
GRRT2 24 mi47 min WNW 4.1 G 4.1 76°F 82°F1013.4 hPa
GTOT2 25 mi47 min N 1 G 1.9 78°F 84°F1013.6 hPa
RLOT2 - 8770971 - Rollover Pass, TX 27 mi47 min ESE 1.9 G 2.9 77°F 81°F1013.3 hPa
HIST2 32 mi47 min ENE 1 G 1.9 76°F 81°F1013.4 hPa
LUIT2 40 mi47 min NW 4.1 G 5.1 79°F 83°F1013.3 hPa
42035 - GALVESTON 22NM East of Galveston, TX 42 mi27 min WNW 7.8 G 9.7 79°F 1013.6 hPa73°F

Wind History for Morgans Point, TX
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Houston / Ellington, TX10 mi27 minN 010.00 miPartly Cloudy75°F72°F89%1013.9 hPa
Houston, Houston Hobby Airport, TX15 mi24 minN 010.00 miMostly Cloudy77°F71°F82%1014.5 hPa
Houston, Pearland Regional Airport, TX16 mi24 minN 08.00 miFair73°F71°F94%1014.4 hPa
John Dunn Helistop, TX22 mi22 minWNW 310.00 miPartly Cloudy77°F72°F83%1013.9 hPa

Link to 5 minute data for KEFD

Wind History from EFD (wind in knots)
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Last 24hr--CalmW3NW4--NW10--CalmNW7N7NW4S5SE4S4CalmSE3CalmCalmCalmCalmCalmCalmCalmCalm
1 day ago--W5NW5W5W5NW3E3NE6E6E5E4SE6S4CalmCalmSE3S3--CalmCalmCalmCalmCalmCalm
2 days agoN4N8N6NW6N7N6N8N10N10N10N7NE5N5NE6CalmCalmNW3CalmCalmCalmCalmW3CalmCalm

Tide / Current Tables for Clear Lake, Harris Co. Park, Texas (2)
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Clear Lake
Click for Map
Sun -- 04:16 AM CDT     0.08 feet Low Tide
Sun -- 05:40 AM CDT     Moonset
Sun -- 07:07 AM CDT     Sunrise
Sun -- 11:06 AM CDT     1.05 feet High Tide
Sun -- 04:58 PM CDT     0.79 feet Low Tide
Sun -- 07:01 PM CDT     Moonrise
Sun -- 07:20 PM CDT     Sunset
Sun -- 09:14 PM CDT     1.02 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.60.40.20.10.10.10.20.40.60.911110.90.80.80.80.80.91110.9

Tide / Current Tables for Bolivar Roads, Texas Current
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Bolivar Roads
Click for Map
Sun -- 01:34 AM CDT     0.00 knots Slack
Sun -- 04:58 AM CDT     1.73 knots Max Flood
Sun -- 05:39 AM CDT     Moonset
Sun -- 07:06 AM CDT     Sunrise
Sun -- 10:53 AM CDT     -0.00 knots Slack
Sun -- 12:55 PM CDT     -0.48 knots Max Ebb
Sun -- 03:49 PM CDT     -0.09 knots Min Ebb
Sun -- 07:00 PM CDT     Moonrise
Sun -- 07:18 PM CDT     Sunset
Sun -- 10:16 PM CDT     -1.68 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-1.2-0.50.41.11.61.71.61.41.10.80.4-0-0.4-0.5-0.4-0.2-0.1-0.2-0.6-1-1.3-1.6-1.7-1.6

Weather Map
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GEOS Local Image of    EDIT
NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
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