Thursday, October19, 2017 L-36.com


Marine Weather and Tides
Seadrift, 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 7:31AMSunset 6:54PM Thursday October 19, 2017 4:19 AM CDT (09:19 UTC) Moonrise 6:16AMMoonset 6:12PM Illumination 1% Phase: Waning Crescent; Moon at 29 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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GMZ235 Bays And Waterways From Port Aransas To Port O'connor- 334 Am Cdt Thu Oct 19 2017
Today..East wind 5 to 10 knots increasing to 10 to 15 knots in the afternoon. Bays slightly choppy to occasionally choppy. A slight chance of showers in the morning, then a chance of showers and a slight chance of Thunderstorms in the afternoon.
Tonight..East wind 10 to 15 knots. Bays slightly choppy to occasionally choppy. A chance of showers and a slight chance of Thunderstorms.
Friday..Southeast wind 5 to 10 knots increasing to 10 to 15 knots in the afternoon. Bays slightly choppy to occasionally choppy. A chance of showers and Thunderstorms.
Friday night..Southeast wind 10 to 15 knots. Bays slightly choppy to occasionally choppy. A slight chance of showers and Thunderstorms.
Saturday..Southeast wind around 10 knots. Bays slightly choppy. A chance of showers and Thunderstorms.
Saturday night..Southeast wind 10 to 15 knots. Bays slightly choppy to occasionally choppy. A chance of showers and Thunderstorms.
Sunday..West wind 5 to 10 knots becoming north 10 to 15 knots in the afternoon. Bays slightly choppy to occasionally choppy. A chance of showers and Thunderstorms.
Sunday night..North wind 15 to 20 knots. Bays choppy to occasionally rough.
Monday..North wind 10 to 15 knots. Bays slightly choppy to occasionally choppy.
Monday night..North wind 5 to 10 knots becoming northwest after midnight. Bays smooth to slightly choppy.
GMZ200 334 Am Cdt Thu Oct 19 2017
Synopsis for the middle texas coastal waters.. Increasing moisture from the gulf of mexico and an upper level disturbance will contribute to isolated to scattered showers across the coastal waters today through Friday. Weak to moderate onshore flow this morning will increase to moderate levels this afternoon and continue into tonight. Isolated to scattered showers and Thunderstorm activity is expected through the weekend as a cold front pushes through the area. Winds will shift from south to north-northwest Sunday morning in response to the front. Small craft advisories may be needed Sunday night into Monday with strengthening offshore flow and elevated seas.

7 Day Forecast for Marine Location Near Seadrift, TX
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location: 28.41, -96.71     debug


Area Discussion for - Corpus Christi, TX
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Fxus64 kcrp 190914
afdcrp
area forecast discussion
national weather service corpus christi tx
414 am cdt Thu oct 19 2017

Short term (today through Friday)
Arrival of higher moisture into the region will be a little slower
than previously forecasted. GOES derived image of precipitable
water showed an axis of higher moisture with pwat to 1.7 inches
over the northwest gulf of mexico but not quite to the offshore
waters of the middle texas coast. Loop of pwat imagery appears to
show the deeper moisture axis will advect toward the northern
coastal bend into the victoria crossroads. Lowered pops to slight
chance for this morning due to delayed arrival of moisture with
only isolated showers making it inland. Scattered showers will be
limited to the gulf waters.

Short wave trough moving into the texas big bend and northern
coahuila will move east into the brush country this afternoon.

Highest pops this afternoon will be from rockport to goliad and
northeast. Expect with enough influx of moisture by this afternoon
along with heating and the approach of the short wave trough,
there will be enough instability to see isolated thunderstorms.

Winds will increase to scec levels over the gulf waters this
afternoon and continue through the night.

The short wave trough will move northeast tonight while another
weak short wave trough moves into the big bend northern mexico
again. The deeper moisture axis will remain over the coastal
waters into the northern coastal bend victoria crossroads. The
short wave trough lifts northeast Friday and most of the region
will be affected by subsidence. Will keep chance pops over the
northeast part of the forecast area into the coastal waters with
slight chance along interstate 37 with dry and warm out west on
Friday.

Tides (today)
Tide levels continue to be not quite as elevated as the last few
days. Tides are about 0.9 feet above expected. With strengthening
easterly flow expected today, levels may increase to the point
where a coastal flood advisory would be needed at the next high
tide this afternoon. But confidence not high at this point and
will allow day shift to determine need for advisory.

Long term (Friday night through Wednesday)
Isolated to scattered showers and thunderstorms will continue to be
possible during the end of the week, with the main activity confined
to areas east of i-37 Friday night and Saturday. Above normal
temperatures will continue through the end of the week, with highs
on Saturday hitting the upper 80s to lower 90s across the region.

The upper level trough will progress further eastward over the
weekend, bringing an associated cold front south and through the
region swiftly on Sunday morning. This will bring higher chances for
showers and storms on Sunday, with again the highest pops over the
eastern and marine zones where the greater moisture will reside.

Anticipate dry and cooler air to filter into the region into early
next week. Rain chances will quickly drop in the wake of fropa,
with a rain-free forecast Monday through the rest of the period.

Gusty north winds will develop over the middle texas coastal waters
behind the front on Sunday night into Monday, and a small craft
advisory may be needed. Prime outdoor conditions will develop over
the latter half of the period, with pleasantly low humidity along
with lows in the mid 50s low 60s and highs in the low to mid 80s.

Preliminary point temps pops
Corpus christi 84 69 88 72 89 30 30 20 10 20
victoria 85 69 86 71 87 40 30 40 20 30
laredo 87 69 89 71 92 0 10 10 10 10
alice 88 67 90 70 91 20 20 20 10 10
rockport 83 73 85 75 88 30 40 30 20 30
cotulla 86 68 89 69 91 0 10 10 10 10
kingsville 88 67 89 71 92 20 20 20 10 20
navy corpus 83 72 86 77 89 30 30 20 20 30

Crp watches warnings advisories
Tx... None.

Gm... None.

Tmt 89... Short term
lb 84... Long term


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
SDRT2 - 8773037 - Seadrift, TX 0 mi49 min NNE 2.9 G 5.1 65°F 76°F1018.1 hPa
AWRT2 13 mi49 min SE 5.1 G 6 75°F 74°F1018 hPa
PCNT2 - 8773701 - Matagorda Bay; Port O'Connor, TX 17 mi49 min ESE 7 G 8.9 76°F 77°F1017.7 hPa
VCAT2 17 mi49 min E 4.1 G 5.1 69°F 73°F1017.8 hPa
MBET2 20 mi49 min SE 8.9 G 11 78°F 78°F1016.8 hPa
ANPT2 43 mi49 min ESE 11 G 12 78°F 78°F1016.8 hPa
RTAT2 - 8775237 - Port Aransas, TX 44 mi49 min ESE 5.1 G 9.9 78°F 76°F1017.9 hPa
EMAT2 47 mi49 min NW 2.9 G 2.9 64°F 74°F1017.8 hPa

Wind History for Seadrift, TX
(wind in knots)    EDIT      (on/off)   Help
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G7

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Port Lavaca - Calhoun County Airport, TX17 mi44 minENE 310.00 miFair63°F60°F92%1018.3 hPa

Wind History from PKV (wind in knots)
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Last 24hrN3N3N4N3N3NE7NE7NE5E6CalmE5E4SE5E7SE7CalmSE4CalmCalmCalmCalmCalmNE3NE4
1 day agoN4N5N6N4N4N6NE9N7NE7NE8NE8N7NE8N5N4N5N6NE3CalmCalmCalmCalmNE3N4
2 days agoN16
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N11N12N6N6N4NW3NW4N5N6N3N5

Tide / Current Tables for Seadrift, San Antonio Bay, Texas
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Seadrift
Click for Map
Thu -- 07:15 AM CDT     0.44 feet Low Tide
Thu -- 07:16 AM CDT     Moonrise
Thu -- 07:30 AM CDT     Sunrise
Thu -- 02:12 PM CDT     New Moon
Thu -- 02:56 PM CDT     0.51 feet High Tide
Thu -- 06:31 PM CDT     0.50 feet Low Tide
Thu -- 06:52 PM CDT     Sunset
Thu -- 07:12 PM CDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.50.50.50.50.50.50.40.40.40.40.50.50.50.50.50.50.50.50.50.50.50.50.50.5

Tide / Current Tables for Port Lavaca, Lavaca Causeway, Matagorda Bay, Texas
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Port Lavaca
Click for Map
Thu -- 03:13 AM CDT     0.80 feet Low Tide
Thu -- 06:40 AM CDT     0.85 feet High Tide
Thu -- 07:15 AM CDT     Moonrise
Thu -- 07:29 AM CDT     Sunrise
Thu -- 02:12 PM CDT     New Moon
Thu -- 02:26 PM CDT     0.43 feet Low Tide
Thu -- 06:52 PM CDT     Sunset
Thu -- 07:11 PM CDT     Moonset
Thu -- 10:55 PM CDT     1.07 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.90.90.80.80.80.80.80.90.80.80.70.60.60.50.40.40.50.60.70.80.911.11.1

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 Corpus Christi, TX (5,6,7,8)
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Ground Weather Radar Station Corpus Christi, 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.