Friday, February22, 2019 L-36.com


Marine Weather and Tides
Danbury, TX

Version 3.4
What's New / NOTES
10/6/2018 Colors of tide XTide graphs changed to emphasize that they were upgraded. See next note. Comments welcome.
10/4/2018 I have fixed XTide and updated the harmonic files. There were some name changes so you might have to click EDIT to find the new station name.

Sunrise 6:52AMSunset 6:17PM Friday February 22, 2019 5:54 AM CST (11:54 UTC) Moonrise 9:52PMMoonset 9:13AM Illumination 90% Phase: Waning Gibbous; Moon at 18 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:201902222215;;324905 Fzus54 Khgx 220918 Cwfhgx Coastal Waters Forecast National Weather Service Houston/galveston Tx 318 Am Cst Fri Feb 22 2019 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. Gmz350-355-222215- Coastal Waters From Freeport To Matagorda Ship Channel Tx Out 20 Nm-coastal Waters From High Island To Freeport Tx Out 20 Nm- 318 Am Cst Fri Feb 22 2019
.dense fog advisory in effect until 9 am cst this morning...
Today..East winds 5 to 10 knots becoming southeast in the afternoon. Seas 2 to 3 feet. Areas of fog. Isolated Thunderstorms early in the morning. A chance of showers.
Tonight..Southeast winds 10 to 15 knots. Seas 2 to 4 feet. Areas of fog. A slight chance of showers after midnight.
Saturday..Southwest winds 10 to 15 knots becoming west 15 to 20 knots in the afternoon. Seas 3 to 4 feet. Showers and Thunderstorms likely in the morning, then a slight chance of showers and Thunderstorms in the afternoon.
Saturday night..Northwest winds 5 to 10 knots becoming north 10 to 15 knots after midnight. Seas 2 to 4 feet.
Sunday..North winds 15 to 20 knots becoming northeast 10 to 15 knots in the afternoon. Seas 2 to 4 feet.
Sunday night..Northeast winds 10 to 15 knots increasing to 15 to 20 knots after midnight. Seas 2 to 4 feet.
Monday..East winds 15 to 20 knots. Seas 3 to 5 feet. A chance of showers.
Monday night..East winds 10 to 15 knots. Seas 3 to 5 feet. A chance of showers.
Tuesday..East winds 10 to 15 knots. Seas 3 to 5 feet. A chance of showers.
Tuesday night..East winds 5 to 10 knots. Seas 2 to 4 feet. A chance of showers.
GMZ300 Synopsis For High Island To The Matagorda Ship Channel Out 60 Nautical Miles Including Galveston And Matagorda Bays 318 Am Cst Fri Feb 22 2019
Synopsis for high island to matagorda ship channel out 60 nm.. Dense fog remains in both the bays and nearshore waters this morning, and a dense fog advisory has been issued. A warm front will move onshore later this morning and winds will turn southerly behind this boundary. Southeasterly winds will strengthen overnight Friday into Saturday morning as a result of deepening texas panhandle low pressure system. A cold front will pass through the coastal waters Saturday afternoon.


7 Day Forecast for Marine Location Near Danbury, TX
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location: 29.16, -95.2     debug


Area Discussion for - Houston/Galveston, TX
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Fxus64 khgx 221017
afdhgx
area forecast discussion
national weather service houston galveston tx
417 am cst Fri feb 22 2019

Discussion
At 300 am, low pressure was located east of the lower middle
tx coast with a warm front extending to the north and east of the
low. A weak trough of low pressure was noted across north central
la extending southwest into SE tx. Showers have developed along
this weak trough and will continue to do so through the morning.

No lightning yet, but it would not come as a surprise if lightning
develops as the storms move off to the north. There should be a
gap in the precipitation later this morning but a weak vort lobe
will approach the area from the west and this should trigger
additional showers and thunderstorms this afternoon. Pw values do
increase to between 1.40 and 1.70 inches and with a warm front
near by, feel there should be a good chance of shra tsra by
afternoon. That said, most of the activity should remain benign as
fcst soundings show a dry layer between 850-500 mb and weak
capping in the 850-700 layer. SREF ensembles and short term
guidance still keeping sea fog near the coast today which seems
reasonable considering 70 degree dew point air is flowing over 58
degree shelf waters. Winds pick up later today tonight and that
could mitigate the fog threat but will keep a mention of fog in
the weather grids through Saturday morning.

Clouds will persist tonight and temperatures will remain nearly
steady or slowly warm overnight in the wake of todays warm front.

Fcst soundings support some drizzle overnight. The drizzle will
transition to showers as moisture profiles saturate. A cold front
will approach the NW parts of the region by 12z and showers and
thunderstorms will increase in coverage. Some of the storms could
be strong toward Saturday morning. SPC has placed the eastern
half of SE tx in marginal risk and the extreme NE part in slight
risk for severe weather. This again appears to be reasonable as
capping weakens and lapse rates steepen to about 7.0 c. CAPE is
so-so but mu CAPE reaches about 1770 j kg. Pw values reach 1.80
inches and k index values reach 40 over the far eastern parts of
the cwa. The most likely severe weather hazards expected will be
hail (wet bulb zero around 10000 feet) and strong gusty winds.

Wpc has the area outlooked in marginal risk for heavy rain but the
system is fast moving so not expecting much in the way of heavy
rain. Skies will clear by early afternoon and the bulk of Saturday
looks pretty nice once the storms exit.

Sunday and Monday look nice with high pressure over the central
plains ridging into texas. Moisture returns Monday night and
showers should redevelop over the area. Fcst soundings show a
saturated layer from the surface up to 700 mb. Conditions look to
remain unsettled until another cold front crosses the region
on Thursday. 43

Marine
A dense fog advisory remains in effect through 9 am across both
galveston and matagorda bays, as well as the nearshore waters this
morning. Observations have been varying between 0.5 to 1 nm, and
webcams along the coast confirm areas of fog with pockets of dense
fog. There is the potential for this advisory to be extended, as
favorable conditions for sea fog look to continue until the passage
of the next cold front Saturday afternoon.

Northwesterly winds should shift out of the southeast today as a
warm front progresses inland late this morning and washes out over
the area. Moisture values will rise and better coverage of showers
can be anticipated today through tomorrow morning. Moderate onshore
flow is forecast for Saturday morning ahead of the next cold front
which should push through the region Saturday afternoon. Showers and
thunderstorms are expected along and out ahead of this frontal
passage. Moderate northwesterly winds will prevail behind the
boundary beginning late Saturday afternoon through Sunday morning.

Winds will turn easterly late Sunday and remain out of the east
through Tuesday morning before turning back onshore. As a result,
tide levels are forecast to rise to around 2.5 ft above mllw. The
chance for showers returns to the forecast Tuesday through the
remainder of next week. Better coverage of showers will be possible
Wednesday into Thursday, with the approach of our next shortwave
disturbance. Additionally, another cold front looks to move through
the region next Thursday.

Hathaway

Preliminary point temps pops
College station (cll) 64 58 70 43 64 40 60 60 0 0
houston (iah) 69 65 74 48 67 60 40 80 0 0
galveston (gls) 68 65 72 54 65 40 20 60 0 0

Hgx watches warnings advisories
Tx... None.

Gm... Dense fog advisory until 9 am cst this 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... Galveston bay... Matagorda bay.



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
LUIT2 7 mi55 min NNE 12 G 13 55°F 57°F1013.2 hPa (-0.0)
FCGT2 - 8772447 - USCG Freeport, TX 16 mi55 min NNE 8.9 G 12 55°F 57°F1013.5 hPa (-0.4)
FPST2 16 mi55 min N 13 G 17 55°F 57°F1012.7 hPa (-0.3)
GRRT2 19 mi55 min NNE 12 G 14 54°F 56°F1013.9 hPa (-0.0)
42043 - GA-252 TABS B 20 mi115 min NE 16 G 18 60°F1012.3 hPa (-0.4)
GTOT2 24 mi55 min NNE 8 G 9.9 54°F 57°F1013.8 hPa (-0.0)
EPTT2 - 8771013 - Eagle Point, TX 27 mi55 min N 6 G 11 1014.3 hPa (-0.0)
GNJT2 - 8771341 - Galveston Bay (North Jetty), TX 29 mi61 min NNE 11 G 12 54°F 58°F1013.5 hPa
SGNT2 35 mi55 min N 9.9 G 12 55°F 57°F1012.2 hPa (-0.6)
MGPT2 - 8770613 - Morgans Point, TX 38 mi55 min NNE 5.1 G 7 51°F 58°F1013.9 hPa (-0.5)
NCHT2 - 8770777 - Manchester, TX 39 mi55 min NE 6 G 8 50°F 64°F1013.4 hPa (-0.5)
42035 - GALVESTON 22NM East of Galveston, TX 42 mi45 min ENE 12 G 14 60°F 62°F1014.3 hPa
RLOT2 - 8770971 - Rollover Pass, TX 44 mi55 min NE 9.9 G 11 55°F 57°F1014.1 hPa (+0.5)
EMAT2 49 mi55 min N 7 G 9.9 54°F 58°F1011.9 hPa (-0.5)

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, TX15 mi62 minNNE 80.75 miFog/Mist53°F53°F100%1013.3 hPa
Galveston, Scholes Field, TX19 mi63 minN 101.00 miFog/Mist54°F53°F97%1013.9 hPa

Wind History from LBX (wind in knots)
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Last 24hrNE9NE9NE7NE8NE12NE8NE8NE8N10N8N10N11NE8NE9NE8NE6NE6N6NE7N7N8N7N7N8
1 day agoN9N7N8N11N7N10N10N10N8NE9N7NE6N6CalmN4NE4NE6NE5NE6NE7NE7NE8NE7NE7
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Tide / Current Tables for Alligator Point, West Bay, Texas
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Alligator Point
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Fri -- 02:20 AM CST     0.15 feet Low Tide
Fri -- 06:53 AM CST     Sunrise
Fri -- 08:29 AM CST     0.63 feet High Tide
Fri -- 09:12 AM CST     Moonset
Fri -- 02:46 PM CST     -0.06 feet Low Tide
Fri -- 06:15 PM CST     Sunset
Fri -- 09:23 PM CST     0.56 feet High Tide
Fri -- 09:51 PM CST     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.30.20.20.20.20.30.40.50.60.60.50.40.20.1-0-0.1-00.10.20.40.50.60.50.5

Tide / Current Tables for San Luis Pass, Texas
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San Luis Pass
Click for Map
Fri -- 04:45 AM CST     1.21 feet High Tide
Fri -- 06:53 AM CST     Sunrise
Fri -- 09:11 AM CST     Moonset
Fri -- 11:07 AM CST     -0.39 feet Low Tide
Fri -- 05:38 PM CST     1.06 feet High Tide
Fri -- 06:15 PM CST     Sunset
Fri -- 09:51 PM CST     Moonrise
Fri -- 11:36 PM CST     -0.19 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.20.40.711.21.21.10.80.4-0-0.3-0.4-0.3-0.10.20.50.811.10.90.60.3-0-0.2

Weather Map and Satellite Images
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GOES 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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Wind Forecast for Houston/Galveston, TX (6,6,7,8)
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Ground Weather Radar Station Houston/Galveston, TX
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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.