Wednesday, February20, 2019 L-36.com


Marine Weather and Tides
Richmond, 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 6:56AMSunset 6:16PM Wednesday February 20, 2019 12:57 AM CST (06:57 UTC) Moonrise 7:43PMMoonset 7:53AM Illumination 99% Phase: Full Moon; Moon at 16 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- 950 Pm Cst Tue Feb 19 2019
Rest of tonight..Northwest winds around 5 knots increasing to 10 to 15 knots after midnight. Bay waters smooth becoming slightly choppy after midnight. Areas of fog. Scattered showers and areas of drizzle.
Wednesday..North winds 10 to 15 knots decreasing to 5 to 10 knots in the afternoon. Bay waters slightly choppy becoming smooth in the afternoon. Isolated showers.
Wednesday night..Northeast winds 5 to 10 knots increasing to 10 to 15 knots after midnight. Bay waters smooth becoming slightly choppy after midnight. Scattered showers.
Thursday..Northeast winds 10 to 15 knots. Bay waters slightly choppy. Showers likely.
Thursday night..Northeast winds 5 to 10 knots becoming east after midnight. Bay waters smooth. Patchy fog. A chance of showers.
Friday..Southeast winds around 10 knots. Bay waters smooth to slightly choppy. Patchy fog. A chance of showers.
Friday night..South winds 10 to 15 knots. Bay waters slightly choppy. Patchy fog. A chance of showers.
Saturday..South winds around 15 knots becoming west in the afternoon. Bay waters slightly choppy to choppy becoming slightly choppy in the afternoon. Patchy fog in the morning. A chance of showers.
Saturday night..Northwest winds 10 to 15 knots becoming north 5 to 10 knots after midnight. Bay waters slightly choppy becoming smooth after midnight.
Sunday..Northeast winds around 10 knots becoming 5 to 10 knots in the afternoon. Bay waters smooth to slightly choppy becoming smooth in the afternoon.
Sunday night..East winds 5 to 10 knots increasing to 10 to 15 knots after midnight. Bay waters smooth becoming slightly choppy after midnight. A slight chance of showers.
GMZ300 Synopsis For High Island To The Matagorda Ship Channel Out 60 Nautical Miles Including Galveston And Matagorda Bays 950 Pm Cst Tue Feb 19 2019
Synopsis for high island to matagorda ship channel out 60 nm.. Periods of unsettled weather can be expected for much of the week with upper level disturbances moving overhead and a coastal trough fluctuating north and south along the coast. SEa fog will linger into the evening but should clear out early Wednesday morning as winds return to the north behind a reinforcing cold front. Chances of fog return Thursday night and will linger on through Saturday afternoon.


7 Day Forecast for Marine Location Near Richmond, TX
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location: 29.58, -95.75     debug


Area Discussion for - Houston/Galveston, TX
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Fxus64 khgx 200548
afdhgx
area forecast discussion
national weather service houston galveston tx
1148 pm cst Tue feb 19 2019

Aviation
While this evening's cold front is hard to locate via surface
observations lack of radar returns, there are enough clues
(terminal pressure rises, slightly lower dew points) to determine
that the boundary is now making its way across the northern tier
counties of our forecast area at midnight. As the front moves
across southeast texas early Wednesday morning, periods of either
mist, drizzle or very light showers will form just downstream of
the front. Lifr to vlifr pre-frontal ceilings will improve to ifr
with the frontal passage. As cooler and drier air works its way
into the area, expect cloud bases to increase to MVFR and scatter
out through the daylight morning hours.VFR skc from around noon
onward for most regional hubs under a northwest wind that will be
slowly veering northeast through early Thursday. 31

Prev discussion issued 857 pm cst Tue feb 19 2019
discussion...

will be keeping rain chances in the forecast during the overnight hours.

As the day progresses tomorrow, the cold front in the gulf moves further
off to the east allowing for surface high pressure and some drier air
to build into the area from the west.

Only a couple minor changes were made to the grids on the evening update.

42
prev discussion... Issued 640 pm cst Tue feb 19 2019
discussion...

very low lifr to vlifr ceilings and periods of ifr fog that
becomes worse the closer you get to the coast. Expect these
conditions to occur ahead of the next front that is timed to move
across the region early Wednesday morning. The following air mass
will dry the regional atmosphere out enough to lift areawide
ceilings to MVFR slight before or after sunrise... Scattering out
toVFR around noon tomorrow. Post-frontal north winds will slowly
die out and veer more northeast in time through late tomorrow. 31
prev discussion... Issued 417 pm cst Tue feb 19 2019
discussion...

while radar looks fairly quiet, obs cameras are indicating that we
are seeing some rather damp misty drizzly foggy weather across the
cwa this afternoon. The bulk of the more organized showers are
remaining NW and E of the region so far. We could get one more
round of scattered showers isolated thunderstorms as the surface
coastal low moves up from the gulf and across the area later this
evening. Clearing cooler conditions on tap after midnight when
this system associated rains move out to the ne.

This brief break from the cloudy unsettled weather (early weds) is
expected to be just that. This very progressive weather pattern we
have been in will be gearing up once again weds night with the return
of slightly deeper moisture as the next coastal low begins to
form over the lower tx coast. The persistent strong SW winds aloft
will be drawing additional clouds moisture across the area
through the end of the week... With rain chances increasing once
again with the passage of embedded upper level disturbances.

Showers thunderstorm development should be most active late fri
into Sat with onshore winds strengthening ahead of the next cold
front progged for Sat afternoon. Per extended models... The next
repeat of this cycle could start late sun. 41
marine...

areas of sea fog will linger this evening until a low pressure area
near the coast moves off to the northeast and winds swing back
around to the northwest. A coastal flood advsy remains in effect
until early evening for the bolivar area where wave run up and high
tide levels possibly cause some overwash at hwy 87 124. Swells will
be slower to fall offshore so will be extending the small craft
advisory there.

Otherwise, still looking at a complex marine forecast this week.

Another area of low pressure will develop off deep south texas on
Thursday and this feature will take a similar track as today's and
approach SE tx by late afternoon. Warmer and more moist air will
flow over the cooler shelf waters and produce another threat of sea
fog Thursday night-sat afternoon until the next front pushes
through. 47

Preliminary point temps pops
College station (cll) 41 62 44 56 52 30 10 30 50 50
houston (iah) 48 66 49 59 56 40 10 50 60 50
galveston (gls) 53 62 57 64 63 40 20 50 60 40

Hgx watches warnings advisories
Tx... None.

Gm... Dense fog advisory until 3 am cst Wednesday 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.

Discussion... 42
aviation marine... 31


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
NCHT2 - 8770777 - Manchester, TX 28 mi57 min NW 4.1 G 6 49°F 64°F1010.2 hPa (+0.8)
MGPT2 - 8770613 - Morgans Point, TX 41 mi57 min WNW 8 G 11 50°F 58°F1010.3 hPa (+0.9)
EPTT2 - 8771013 - Eagle Point, TX 45 mi57 min NW 5.1 G 8 52°F 57°F1010.6 hPa (+1.1)
LUIT2 48 mi57 min NNW 8.9 G 9.9 52°F 1010.2 hPa (+1.2)
GRRT2 49 mi57 min NW 4.1 G 7 53°F 56°F1010.6 hPa (+1.3)
FCGT2 - 8772447 - USCG Freeport, TX 50 mi57 min NNW 4.1 G 7 52°F 57°F1011 hPa (+1.6)

Wind History for Morgans Point, TX
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Houston, Sugar Land Municipal / Hull Field Airport, TX6 mi64 minNNW 102.50 miLight Rain Fog/Mist49°F46°F90%1011.4 hPa
Houston Southwest Airport, TX15 mi62 minNNW 53.00 miFog/Mist48°F47°F100%1011.2 hPa
Houston Executive Airport, TX17 mi62 minNNW 11 G 162.50 miLight Drizzle46°F46°F100%1012.5 hPa
John Dunn Helistop, TX21 mi62 minNNW 61.25 miFog/Mist48°F48°F100%1010.5 hPa

Wind History from SGR (wind in knots)
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Last 24hrNE9NE10NE10NE13NE11E17NE12NE12E13NE11NE9NE8NE9N8N10NE9N7N7N7N9N10N8N7N10
1 day agoN15N15
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2 days agoSE3S4S6S4W4NW13
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Tide / Current Tables for Clear Lake, Harris Co. Park, Texas
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Clear Lake
Click for Map
Wed -- 04:51 AM CST     0.24 feet Low Tide
Wed -- 06:55 AM CST     Sunrise
Wed -- 07:50 AM CST     Moonset
Wed -- 09:39 AM CST     0.54 feet High Tide
Wed -- 05:09 PM CST     -0.59 feet Low Tide
Wed -- 06:13 PM CST     Sunset
Wed -- 07:39 PM CST     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.50.50.40.30.30.20.30.30.40.50.50.50.30.1-0.2-0.4-0.5-0.6-0.6-0.4-0.200.20.4

Tide / Current Tables for Clear Lake, Harris Co. Park, Texas (2)
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Clear Lake
Click for Map
Wed -- 04:49 AM CST     0.41 feet Low Tide
Wed -- 06:55 AM CST     Sunrise
Wed -- 07:50 AM CST     Moonset
Wed -- 09:25 AM CST     0.70 feet High Tide
Wed -- 05:17 PM CST     -0.41 feet Low Tide
Wed -- 06:13 PM CST     Sunset
Wed -- 07:39 PM CST     Moonrise
Wed -- 11:57 PM CST     0.64 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.70.60.60.50.40.40.50.50.60.70.70.60.50.20-0.2-0.3-0.4-0.4-0.2-00.20.40.6

Weather Map and Satellite Images
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wmap_A
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 (1,6,7,8)
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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.