Saturday, June24, 2017 L-36.com


Marine Weather and Tides
Bacliff, TX

Version 3.4
What's New / NOTES
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 6:20AMSunset 8:25PM Saturday June 24, 2017 8:52 AM CDT (13:52 UTC) Moonrise 6:00AMMoonset 8:05PM Illumination 0% Phase: New Moon; Moon at 0 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 Matagorda Bay-galveston Bay- 343 Am Cdt Sat Jun 24 2017
Today..Southeast winds 5 to 10 knots. Bay waters smooth. Showers and Thunderstorms likely in the morning, then scattered showers and Thunderstorms in the afternoon. Some Thunderstorms may produce heavy rainfall in the morning.
Tonight..Southeast winds 5 to 10 knots becoming east after midnight. Bay waters smooth. Scattered showers and Thunderstorms.
Sunday..East winds 5 to 10 knots. Bay waters smooth. Scattered showers and Thunderstorms.
Sunday night..East winds 5 to 10 knots. Bay waters smooth. Scattered showers and Thunderstorms.
Monday..East winds 5 to 10 knots. Bay waters smooth. Showers and Thunderstorms likely.
Monday night..Southeast winds 5 to 10 knots. Bay waters smooth. Scattered showers and Thunderstorms.
Tuesday..East winds 5 to 10 knots becoming southeast 10 to 15 knots in the afternoon. Bay waters smooth becoming slightly choppy in the afternoon. Scattered showers and Thunderstorms.
Tuesday night..Southeast winds 10 to 15 knots. Bay waters slightly choppy. Scattered showers and Thunderstorms.
Wednesday..Southeast winds 10 to 15 knots. Bay waters slightly choppy. Scattered showers and Thunderstorms.
Wednesday night..South winds 10 to 15 knots. Bay waters slightly choppy. Scattered showers and Thunderstorms.
GMZ300 Synopsis For High Island To The Matagorda Ship Channel Out 60 Nautical Miles Including Galveston And Matagorda Bays 343 Am Cdt Sat Jun 24 2017
Synopsis for high island to matagorda ship channel out 60 nm.. Winds and seas will gradually continue to diminish throughout the day today. Some scattered showers and Thunderstorms are possible across the waters through the next several days. A front approaches this weekend but should not quite make it off the coast. Onshore winds will ramp up around mid week as we become sandwiched between surface high pressure over the se conus and a developing surface cyclone over the lee of the rockies.

7 Day Forecast for Marine Location Near Bacliff, TX
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location: 29.53, -94.98     debug


Area Discussion for - Houston/Galveston, TX
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Fxus64 khgx 241127
afdhgx
area forecast discussion
national weather service houston galveston tx
627 am cdt Sat jun 24 2017

Aviation
Complicated and messy forecast today. Patchy fog and some low cigs
have settled around SE texas this morning. At the same time, a
broken line of thunderstorms is pushing southwestward through the
northern TAF sites right now while scattered showers and storms
continue to develop near the coast and push northward into the
southern half of the TAF sites. Model consensus is generally that
periods of showers and thunderstorms will be ongoing for today and
into this evening, but overall timing trends are very hard to pin
down. Other than the initial convection happening right now, the
tafs have vcts wording pretty much all day and amendments will
likely be needed to better pin down the timing as things progress.

Vis and CIGS should gradually improve toVFR other than right
inside thunderstorms this afternoon with some possible MVFR cigs
and patchy fog developing again overnight tonight. 11

Prev discussion issued 449 am cdt Sat jun 24 2017
discussion...

precip along a long lived ssw moving outflow has combined with
another line of shra tstms moving swd across north texas. This
line is currently moving into southeast texas ahead of
schedule forecast. Assuming it maintains about the same motion,
it should be situated from roughly brenham to houston to winnie by
around 8am. Speed convergence along the coast is contributing to
additional (and increasing) precip development along the coast.

The threat of localized heavy rain will occur should this continue
to fill in and collide merge with the incoming precip from the
north later this morning. We've included the mention of heavy
rain in the grids for areas generally along south of a bellville
liberty line this morning.

Not a whole lot of confidence as to what the remainder of the day
has in store. One would think we'd have a decent break in the
early to mid afternoon hours in the wake of this mornings
activity. But with 2-3.3" pw's in place, along with low convective
temperatures, it won't take much heating to get additional
activity to develop. Have 50% pops in as placeholders for the
afternoon, which can be adjusted either way as trends are
established.

Southeast texas will remain in a general weakness aloft for a good
portion of the week. Available moisture will be highest, and
convective temps lowest, areawide between now and Tuesday. Slow
storm motions are forecast, at least on the synoptic scale, as
well so we'll need to continue to keep an eye on the localized
heavy rain potential. Timing of precip will be difficult, and much
will probably occur on a mesoscale microscale level not modeled
well further in time. So, like this afternoon, a lot of the pops
and timing are broad brushed and will be refined with near term
trends.

Gradually lowering moisture levels, especially inland, are
expected during the second half of the week. So we'd generally
expect warmer conditions and less precip coverage then. Medium
range solutions do try to gradually build the eastern ridge back
overhead next weekend. 47
marine...

a scec is in effect through 9 am this morning as winds will be at
least gusting to over 15kt through around mid morning. Winds and
seas will continue to diminish over the weekend before ramping up
again beginning mid week as the gradient tightens in response to a
developing surface cyclone over the lee side of the rockies.

Tides remain slightly elevated this morning and are running about
1.5 feet or so above normal. A beach hazards statement is in effect
through noon today as these tide levels and wave run up will likely
cause some water to wash over hwy 87 on bolivar around high tide
this morning. These conditions will also likely cause strong rip
currents and longshore currents along gulf-facing beaches today.

With winds and seas gradually diminishing, tide levels should
improve heading into this weekend. 11

Preliminary point temps pops
College station (cll) 87 73 87 71 88 50 50 50 40 40
houston (iah) 88 75 87 72 87 60 40 50 40 60
galveston (gls) 88 79 87 78 86 60 30 50 40 60

Hgx watches warnings advisories
Tx... None.

Gm... Small craft should exercise caution until 9 am cdt this morning
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... 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... 47
aviation marine... 11


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
EPTT2 - 8771013 - Eagle Point, TX 5 mi53 min S 9.9 G 12 83°F 83°F1015.4 hPa (+1.2)
MGPT2 - 8770613 - Morgans Point, TX 11 mi53 min SSE 6 G 8.9 83°F 84°F1015.2 hPa (+0.7)
GRRT2 16 mi53 min SE 8 G 12 83°F 84°F1015.3 hPa (+0.9)
LYBT2 17 mi53 min SSE 2.9 G 6 82°F 84°F1015.3 hPa (+0.8)
GTOT2 18 mi53 min 83°F 83°F
GNJT2 - 8771341 - Galveston Bay (North Jetty), TX 18 mi53 min SSE 12 G 13 82°F1015.1 hPa (+1.1)
NCHT2 - 8770777 - Manchester, TX 20 mi53 min W 1.9 G 4.1 82°F 85°F1014.4 hPa (+0.9)
RLOT2 - 8770971 - Rollover Pass, TX 25 mi53 min S 9.9 G 12 83°F 82°F1015.7 hPa (+1.0)
LUIT2 32 mi53 min SE 8 G 12 83°F 85°F
HIST2 32 mi53 min S 6 G 8 83°F 83°F1015.9 hPa (+1.0)
KXIH 34 mi38 min S 9.9 86°F 77°F
42035 - GALVESTON 22NM East of Galveston, TX 36 mi63 min S 9.7 G 12 83°F 83°F3 ft1015.3 hPa (+1.4)79°F
42043 - GA-252 TABS B 38 mi113 min 9.7 G 12 73°F 82°F1015 hPa (+1.7)
FCGT2 - 8772447 - USCG Freeport, TX 44 mi53 min SE 12 G 14 83°F 85°F1015.4 hPa (+1.6)

Wind History for Eagle Point, TX
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Houston / Ellington, TX12 mi63 minSE 37.00 miMostly Cloudy84°F78°F84%1015.9 hPa
Houston, Pearland Regional Airport, TX14 mi60 minSE 56.00 miMostly Cloudy with Haze85°F78°F80%1015.3 hPa
Houston, Houston Hobby Airport, TX18 mi60 minN 010.00 miMostly Cloudy82°F79°F90%1015.3 hPa
Galveston, Scholes Field, TX19 mi61 minSSE 116.00 miFog/Mist83°F80°F91%1015.5 hPa

Wind History from EFD (wind in knots)
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Last 24hrS13S11S12S10S9
G14
S9SE11SE11S10S10SE8S7--SE5SE4SE4CalmCalmCalmSE3SE4CalmSE3SE3
1 day agoSW9SW9--SW8SW9SW9W7SW5S11S11S11S10----S7--S6S6S6S6S6S6S5S5
2 days agoN13
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N11--N12--N17
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N16N14N15N17--N15
G23
N15NW13NW15NW14--NW13NW12NW10NW10W9W6SW7

Tide / Current Tables for Eagle Point, Texas
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Eagle Point
Click for Map
Sat -- 02:40 AM CDT     -0.49 feet Low Tide
Sat -- 06:21 AM CDT     Sunrise
Sat -- 07:00 AM CDT     Moonrise
Sat -- 10:37 AM CDT     1.16 feet High Tide
Sat -- 04:04 PM CDT     0.91 feet Low Tide
Sat -- 06:50 PM CDT     0.96 feet High Tide
Sat -- 08:23 PM CDT     Sunset
Sat -- 09:04 PM CDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
-0.1-0.3-0.5-0.5-0.4-0.20.10.50.811.11.21.1110.90.90.90.910.90.80.70.4

Tide / Current Tables for Bolivar Roads, Texas Current
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Bolivar Roads
Click for Map
Sat -- 02:08 AM CDT     0.00 knots Slack
Sat -- 05:35 AM CDT     2.70 knots Max Flood
Sat -- 06:20 AM CDT     Sunrise
Sat -- 07:00 AM CDT     Moonrise
Sat -- 12:41 PM CDT     -0.00 knots Slack
Sat -- 03:03 PM CDT     -0.40 knots Max Ebb
Sat -- 03:57 PM CDT     -0.39 knots Min Ebb
Sat -- 08:22 PM CDT     Sunset
Sat -- 09:04 PM CDT     Moonset
Sat -- 10:25 PM CDT     -2.59 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
-1.9-1.2-0.2122.62.72.31.81.30.90.60.2-0.1-0.3-0.4-0.4-0.5-0.8-1.3-1.9-2.3-2.6-2.6

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 (9,2,3,4)
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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.