Friday, January19, 2018 L-36.com


Marine Weather and Tides
Jones Creek, TX

Version 3.4
What's New / NOTES
6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported.
5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive.
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.

Sunrise 7:14AMSunset 5:51PM Friday January 19, 2018 11:11 AM CST (17:11 UTC) Moonrise 8:57AMMoonset 8:19PM Illumination 9% Phase: Waxing Crescent; Moon at 3 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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GMZ350 Coastal Waters From Freeport To The Matagorda Ship Channel Out 20 Nm-coastal Waters From High Island To Freeport Out 20 Nm- 947 Am Cst Fri Jan 19 2018
.small craft should exercise caution...
Rest of today..East winds 10 to 15 knots and increasing to around 15 knots by mid afternoon. Seas 2 to 3 feet building to 3 to 5 feet in the afternoon. A chance of showers late in the morning. Isolated Thunderstorms. Showers likely in the afternoon. Patchy fog possible late in the afternoon.
Tonight..Southeast winds 10 to 15 knots increasing to 15 to 20 knots after midnight. Seas 4 to 6 feet with occasional seas up to 7 feet. Patchy fog. A chance of showers.
Saturday..South winds 10 to 15 knots. Seas 4 to 6 feet with occasional seas up to 7 feet. Patchy fog in the morning, then areas of fog in the afternoon. A chance of showers in the morning, then a slight chance of showers in the afternoon.
Saturday night..Southeast winds 10 to 15 knots. Seas 3 to 5 feet. Areas of fog. A slight chance of showers.
Sunday..South winds around 15 knots. Seas 3 to 5 feet. Areas of fog. A slight chance of showers in the afternoon.
Sunday night..South winds around 15 knots becoming southwest after midnight. Seas 3 to 4 feet. Areas of fog. A chance of showers in the evening. Isolated Thunderstorms. Showers likely after midnight.
Monday..Northwest winds 10 to 15 knots becoming north in the afternoon. Seas 3 to 5 feet. A slight chance of showers in the morning.
Monday night..North winds 10 to 15 knots. Seas 3 to 5 feet subsiding to 2 to 3 feet after midnight.
Tuesday..Northeast winds 10 to 15 knots. Seas 3 to 4 feet.
Tuesday night..Northeast winds 10 to 15 knots. Seas 3 to 4 feet.
GMZ300 Synopsis For High Island To The Matagorda Ship Channel Out 60 Nautical Miles Including Galveston And Matagorda Bays 947 Am Cst Fri Jan 19 2018
Synopsis for high island to matagorda ship channel out 60 nm.. Increasing winds this afternoon as an area of low pressure near the coastal bend slowly moves eastward. This system will help to enhance the chances for showers and isolated Thunderstorms the next few days. The return of onshore winds will also bring increased moisture and warmer temperatures through the weekend. This pattern will be favorable for the development for sea fog starting tonight and persisting into Sunday evening, when the next cold front is expected to push off the coast.

7 Day Forecast for Marine Location Near Jones Creek, TX
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location: 28.77, -95.61     debug


Area Discussion for - Houston/Galveston, TX
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Fxus64 khgx 191603
afdhgx
area forecast discussion
national weather service houston galveston tx
1003 am cst Fri jan 19 2018

Update
The khgx radar shows a band of showers stretching from jackson
county southeast towards the galveston bay entrance this morning.

Expect this activity to persist and slowly translate east through
the day as an associated mid-level trough slides along the
northern gulf coast. Morning soundings from corpus christi and
lake charles showed mid-level lapse rates between 6.7-7.2 c km,
indicating enough instability is present for a few lightning
strikes. Have already observed a strike across jackson county this
morning and have added a mention of isolated thunder within this
band through the rest of the day. Surface analysis shows a coastal
trough stretching from south of galveston bay to near matagorda
bay and southward. With deeper moisture over the northwest gulf
promoting somewhat better surface-based instability (cape in
excess of 500 j kg) and increased shear in the vicinity of this
coastal trough (effective bulk shear in excess of 30 knots),
cannot rule out a few strong thunderstorms across the offshore
waters this afternoon.

Minor updates were also made to temperatures and dewpoints based
on observational trends with highs in the 50s today as the coastal
trough what could be a developing warm front lifts inland. Some
locations may not see their high temperatures for today until
later this evening until this feature lifts inland.

Huffman

Prev discussion issued 402 am cst Fri jan 19 2018
discussion...

early this morning an elongated 500mb trough stretched from the
tennessee valley across the big bend and into west cntl mexico. A
well defined vort was noted just west of the area in scntl tx. At
the surface, a coastal trough has set up along the texas coast.

Expecting an increase in precip coverage, especially south of i-10
and offshore this morning and afternoon as the upper trough &
vort advance eastward. A few thunderstorms are possible offshore.

Northeast winds across inland areas this morning will gradually
veer to the southeast late today into Saturday bringing areas of
fog drizzle -ra typically associated with an advancing warm front
off the gulf. Nearshore water temperatures have cooled substantially
as of late (mid 40s bays, low 50s 20nm offshore) so would also
anticipate sea fog development as the warmer airmass moves
overhead.

The next trof now situated off the west coast will make its way
into the plains late in the weekend. Its associated front should
push through SE tx late Sunday night and off the coast by early
Monday morning. A band of shra tstms will probably be associated
with the frontal passage, but overall instability is limited so
threat of strong severe cells appears low. Sea fog will clear out
in its wake and dry, seasonable wx should then persist into mid
to late parts of next week. 47
marine...

light moderate east winds this morning will continue to slowly veer
to the southeast throughout this afternoon. Wind speeds will likely
be increasing as well today tonight as an area of low pressure dev-
elops over the coastal waters of the lower tx coast. This system is
expected to slowly drift east remaining offshore, but its proximity
should help to increase rain chances across the region. Between the
periods of unsettled weather, expect patchy sea fog to develop late
tonight as much warmer air is drawn across the cooler shelf waters.

This fog threat is likely to persist into Sun night... When the next
strong cold front is forecast to push off the coast. Scec SCA flags
are expected for Mon morning. 41
aviation...

forecast expected to become messier as the day wears on as moisture
continues to move back into the area... Along with lower CIGS precip
from the sw. Based on the ongoing trends, will likely keep with the
MVFR CIGS for this afternoon ifr CIGS for tonight... Then timing the
bouts of showers with vcsh. With sea fog expected to be an issue at
gls... Will probably have to keep an eye on vis there. 41

Preliminary point temps pops
College station (cll) 50 49 69 60 74 20 30 20 20 50
houston (iah) 54 53 71 60 74 40 30 30 20 30
galveston (gls) 55 55 64 58 68 60 50 30 20 20

Hgx watches warnings advisories
Tx... None.

Gm... Small craft should exercise caution through late tonight 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.

Small craft advisory until 6 am cst Saturday for the following
zones: 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


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
SGNT2 0 mi42 min ENE 9.9 G 12 49°F 44°F1024.8 hPa
EMAT2 17 mi42 min ENE 16 G 20 50°F 44°F1024.3 hPa
FCGT2 - 8772447 - USCG Freeport, TX 20 mi42 min NE 7 G 9.9 50°F 46°F1026.1 hPa
KBQX 32 mi17 min E 20 G 26 63°F 55°F
LUIT2 33 mi42 min E 11 G 15 47°F 44°F1025.4 hPa
MBET2 45 mi42 min E 15 G 20 50°F 47°F1023 hPa
PCNT2 - 8773701 - Matagorda Bay; Port O'Connor, TX 47 mi42 min E 16 G 19 50°F 46°F1023.9 hPa

Wind History for USCG Freeport, TX
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Bay City, Bay City Municipal Airport, TX19 mi77 minE 910.00 miOvercast51°F50°F97%1024.4 hPa

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Last 24hrNE5NE5E8NE7E6NE6NE6E5E5E6NE4NE3E4E4NE5NE4NE4NE5NE6E10NE7E8E12
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1 day agoN4N5N6N5NE5N7N6CalmN4N3CalmCalmCalmCalmN3N4NE4NE4N4NE6NE3NE4NE6NE6
2 days ago----------N8
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Tide / Current Tables for Freeport Harbor, Texas
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Freeport Harbor
Click for Map
Fri -- 01:54 AM CST     0.81 feet High Tide
Fri -- 07:14 AM CST     Sunrise
Fri -- 08:55 AM CST     Moonrise
Fri -- 10:18 AM CST     -0.89 feet Low Tide
Fri -- 05:49 PM CST     Sunset
Fri -- 06:31 PM CST     0.95 feet High Tide
Fri -- 08:18 PM CST     Moonset
Fri -- 10:50 PM CST     0.60 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.80.80.80.80.70.50.3-0.1-0.5-0.7-0.9-0.9-0.7-0.4-0.10.20.60.80.90.90.80.70.60.6

Tide / Current Tables for Freeport, DOW Barge Canal, Texas
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Freeport
Click for Map
Fri -- 07:14 AM CST     Sunrise
Fri -- 08:55 AM CST     Moonrise
Fri -- 10:06 AM CST     -0.36 feet Low Tide
Fri -- 05:49 PM CST     Sunset
Fri -- 06:22 PM CST     1.33 feet High Tide
Fri -- 08:18 PM CST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.90.90.80.80.70.60.40.1-0.1-0.3-0.4-0.3-0.20.10.40.711.21.31.31.21.110.9

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 (12,3,4,5)
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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.