Sunday, September27, 2020
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Marine Weather and Tides
Oyster Creek, TX

Version 3.4
NOTICE
8/26/2020 The 7 day forecast is taking about 5 seconds to load but it will eventually load. NOAA is still working on it.
8/18/2020 NOAA continues to have trouble. Wind guest will occasionally be left off graphs. I am working with NOAA to resolve the issue.
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
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.

Sunrise 7:11AMSunset 7:12PM Sunday September 27, 2020 1:03 AM CDT (06:03 UTC) Moonrise 4:15PMMoonset 2:15AM Illumination 75% Phase: Waxing Gibbous; Moon at 10 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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GMZ355 Expires:202009271615;;422447 Fzus54 Khgx 270330 Cwfhgx Coastal Waters Forecast National Weather Service Houston/galveston Tx 1030 Pm Cdt Sat Sep 26 2020 Upper Texas Coastal Waters From High Island To The Matagorda Ship Channel Out 60 Nautical Miles Including Galveston And Matagorda Bays Seas Are Provided As A Range Of The Average Height Of The Highest 1/3 Of The Waves...along With The Occasional Height Of The Average Highest 10 Percent Of The Waves. Gmz350-355-271615- Coastal Waters From Freeport To Matagorda Ship Channel Tx Out 20 Nm-coastal Waters From High Island To Freeport Tx Out 20 Nm- 1030 Pm Cdt Sat Sep 26 2020
Rest of tonight..Southeast winds 10 to 15 knots becoming south 15 to 20 knots after midnight. Seas 1 to 2 feet building to 2 to 4 feet after midnight.
Sunday..South winds 10 to 15 knots. Seas 2 to 4 feet.
Sunday night..South winds 10 to 15 knots. Seas 2 to 3 feet.
Monday..West winds 10 to 15 knots becoming north 20 to 25 knots in the afternoon. Seas 2 to 4 feet. A chance of showers and Thunderstorms.
Monday night..North winds 20 to 25 knots. Seas 3 to 5 feet. A chance of showers and Thunderstorms in the evening.
Tuesday..North winds 15 to 20 knots. Seas 3 to 5 feet subsiding to 2 to 3 feet in the afternoon.
Tuesday night..Northwest winds 10 to 15 knots. Seas 2 to 3 feet.
Wednesday..Northwest winds 5 to 10 knots becoming west in the afternoon. Seas 1 to 2 feet.
Wednesday night..Southwest winds 5 to 10 knots. Seas 1 to 2 feet.
Thursday..Northwest winds 5 to 10 knots becoming east in the afternoon. Seas 1 to 2 feet.
Thursday night..Southeast winds 5 to 10 knots becoming east after midnight. Seas 1 to 2 feet.
GMZ300 Synopsis For High Island To The Matagorda Ship Channel Out 60 Nautical Miles Including Galveston And Matagorda Bays 1030 Pm Cdt Sat Sep 26 2020
Synopsis for high island to matagorda ship channel out 60 nm.. Onshore winds will prevail this weekend ahead of a strong cold front that will move into the coastal waters Monday afternoon. Strong northerly winds, with gusts possibly close to gale force in the outer waters, can be expected Monday night in the wake of the front. Winds and seas should begin subsiding late Tuesday into midweek. A reinforcing but much weaker cold front is forecast to move into the waters Thursday night or Friday.


7 Day Forecast for Marine Location Near Oyster Creek, TX
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location: 29.08, -95.17     debug


Area Discussion for - Houston/Galveston, TX
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FXUS64 KHGX 270446 AFDHGX

Area Forecast Discussion National Weather Service Houston/Galveston TX 1146 PM CDT Sat Sep 26 2020

AVIATION [06Z TAF Issuance].

Compared to 24 hours ago, winds across the area are a few mph higher. This increased in wind speed may inhibit fog development through the next few hours. However, dewpoint depressions across our usual trouble spots (LBX, CXO) are beginning to shrink, so have continued the 6SM with BR for some of our sites into the early morning. MVFR CIGS will also by a concern through sunrise for most of the area. The southerly flow will be strengthening in the afternoon with sustained winds of 10 to 15 mph through the afternoon with isolated wind gusts up to 20 mph. Elevated winds appear to be the strongest to the north, so have included a gust group in the CLL TAF in the afternoon. While isolated gusts will be possible at all the sites, these should be infrequent enough to not include in the TAF. No showers or thunderstorms are expecting through the period.

Fowler

PREV DISCUSSION /Issued 631 PM CDT Sat Sep 26 2020/.

SHORT TERM [Rest of Today through Sunday Afternoon].

A rather benign weather pattern will continue across SE Texas through the short term period. For the rest of the day today, expect partly to variably cloudy skies with southerly winds at 5 to 10 MPH. Temperatures this afternoon will be a few degrees warmer than yesterday, peaking in the mid to upper 80s areawide. Skies are expected to clear out in the evening, however, cloudiness is expected to return during the overnight and early Sunday morning hours. Areas of patchy fog are expected to develop once again overnight into early Sunday morning across portions of SE Texas. Lows tonight will be in the upper 60s to low 70s along areas north of I-10 and in the low to mid 70s along areas south of I-10. Winds will be increasing Sunday morning, which could help lift and scatter out the fog quicker than today, or may even not allow the fog to develop at all for a few locations. If fog does develop tonight, expect it to lift and clear out by mid morning. With a more pronounced southerly wind flow, we may have isolated showers moving across the local waters from the Gulf Sunday morning and may reach the coastal locations from time to time. However, confidence of this occurring is low and thus kept PoPs at 10% for the waters and coastal locations. High temperatures Sunday afternoon will increase into the upper 80s and low 90s. An increase in low level moisture will also increase dewpoints into the low 70s Sunday afternoon. 24

LONG TERM [Sunday Night Through Saturday].

Late Sunday night through early Monday morning, look for increasing chances of northern county showers and possible thunderstorms, probably beginning shortly before sunrise as a strong cold front enters the area from the north. This front will sweep through Southeast Texas and could very well be off the coast by around or shortly after noon. With the fast movement of the front, still anticipating rainfall amounts to average 1/2 inch or less. With winds shifting to the north behind the front (becoming breezy inland and breezy/windy at the coast), look for a decreasing trend in temperatures during the afternoon. Cool nights and mild days (lows mainly in the 50s inland and in the 60s at the beaches and highs in the 70s/80s) along with low humidities and no rain can be expected for the remainder of the week as a western U.S. ridge and an eastern U.S. trof become established in the mid/upper levels. This pattern will allow for a Thursday-Friday reinforcing (but much weaker) cold front to move through the area. Currently, this pattern looks to hold into the weekend and on into the start of next week. Some gradual warming can be expected as winds come back around to the south and southeast, but moisture levels look to be too low for any rain development. 42

MARINE.

Light to occasionally moderate onshore winds will continue through Sunday night. A strong cold front will move into and through the coastal waters late Monday morning through Monday afternoon. Winds will shift to the north behind the front and strengthen, and small craft advisories will be needed for the development of the strong winds and rough bay waters/seas. Wind gusts could possibly increase to near gale force Monday night. Decreasing winds and seas can be expected late Tuesday into midweek as high pressure builds into the area and the gradient weakens. A reinforcing and much weaker front is still anticipated to move into the waters Thursday or Friday. The offshore flow behind this front will quickly swing back around to onshore over the weekend. 42

PRELIMINARY POINT TEMPS/POPS.

College Station (CLL) 70 89 67 77 54 / 0 0 10 40 10 Houston (IAH) 71 90 73 82 59 / 0 0 0 50 10 Galveston (GLS) 77 86 78 86 66 / 10 10 0 50 20

HGX WATCHES/WARNINGS/ADVISORIES.

TX . None. GM . None.




Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
LUIT2 3 mi46 min SSE 9.9 G 16 80°F1013.1 hPa
FPST2 12 mi46 min SE 15 G 18 90°F1010.6 hPa
42043 - GA-252 TABS B 16 mi124 min SSE 12 G 14 81°F1011.9 hPa
GRRT2 21 mi46 min S 8 G 11 81°F1011.5 hPa
GTOT2 26 mi46 min S 6 G 11 81°F1011.7 hPa
GNJT2 - 8771341 - Galveston Bay (North Jetty), TX 30 mi46 min S 14 G 16
EPTT2 - 8771013 - Eagle Point, TX 31 mi46 min SSE 9.9 G 12 80°F1011.3 hPa
SGNT2 32 mi46 min SSE 8.9 G 14 80°F1011.1 hPa
42035 - GALVESTON 22NM East of Galveston, TX 41 mi34 min SSE 14 G 18 81°F 82°F1011.3 hPa75°F
MGPT2 - 8770613 - Morgans Point, TX 43 mi46 min SSE 6 G 8 79°F1011.7 hPa
NCHT2 - 8770777 - Manchester, TX 45 mi46 min S 4.1 G 6 79°F1011.1 hPa
RLOT2 - 8770971 - Rollover Pass, TX 46 mi46 min S 8 G 12 78°F1012.1 hPa
EMAT2 47 mi46 min SE 11 G 14 81°F1010.9 hPa

Wind History for USCG Freeport, TX
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Angleton / Lake Jackson, Brazoria County Airport, TX16 mi71 minSSE 510.00 miFair74°F71°F91%1011.7 hPa
Galveston, Scholes Field, TX21 mi72 minSSE 910.00 miFair81°F73°F77%1012.1 hPa

Link to 5 minute data for KLBX

Wind History from LBX (wind in knots)
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Last 24hrCalmCalmCalmCalmCalmN3CalmCalmCalmS434S5S8
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1 day agoCalmCalmCalmCalmCalmCalmCalmCalmN3CalmCalm333NE3N5CalmSE5SE3CalmCalmCalmCalmCalm
2 days agoN5N5N5N3N4NW3CalmN5N4NW7N6N4NW8N7N8NW6N6NW3CalmCalmCalmCalmCalmCalm

Tide / Current Tables for Christmas Point, Christmas Bay, Texas
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Christmas Point
Click for Map
Sun -- 03:15 AM CDT     Moonset
Sun -- 06:30 AM CDT     1.14 feet High Tide
Sun -- 07:11 AM CDT     Sunrise
Sun -- 12:28 PM CDT     0.92 feet Low Tide
Sun -- 03:10 PM CDT     0.96 feet High Tide
Sun -- 05:14 PM CDT     Moonrise
Sun -- 07:10 PM CDT     Sunset
Sun -- 11:06 PM CDT     0.16 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.20.40.60.811.11.11.11.11.110.90.90.90.910.90.90.80.60.40.30.20.2

Tide / Current Tables for Alligator Point, West Bay, Texas
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Alligator Point
Click for Map
Sun -- 03:15 AM CDT     Moonset
Sun -- 06:37 AM CDT     1.14 feet High Tide
Sun -- 07:11 AM CDT     Sunrise
Sun -- 12:30 PM CDT     0.92 feet Low Tide
Sun -- 03:17 PM CDT     0.96 feet High Tide
Sun -- 05:14 PM CDT     Moonrise
Sun -- 07:10 PM CDT     Sunset
Sun -- 11:08 PM CDT     0.16 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.20.40.60.80.91.11.11.11.11.1110.90.90.910.90.90.80.60.50.30.20.2

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.
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Other links: Northern Pacific     Contential US     Full GOES-East
Ground Weather Radar Station Houston/Galveston, TX
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Gulf Stream Current



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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 numerous 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.