Wednesday, October17, 2018 L-36.com


Marine Weather and Tides
Rockport, 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 7:30AMSunset 6:58PM Wednesday October 17, 2018 5:02 AM CDT (10:02 UTC) Moonrise 2:00PMMoonset 12:05AM Illumination 54% Phase: First Quarter Moon; Moon at 8 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
    EDIT      (on/off)   Help
GMZ235 Bays And Waterways From Port Aransas To Port O'connor- 411 Am Cdt Wed Oct 17 2018
.small craft should exercise caution...
Today..North wind 15 to 20 knots. Bays choppy to occasionally rough. Patchy drizzle in the morning. A chance of showers.
Tonight..North wind 15 to 20 knots. Bays choppy to occasionally rough. Showers likely in the evening. A slight chance of Thunderstorms. Rain likely after midnight.
Thursday..Northeast wind 15 to 20 knots. Bays choppy to occasionally rough. Rain and a chance of Thunderstorms.
Thursday night..Northeast wind 15 to 20 knots decreasing to 10 to 15 knots after midnight. Bays choppy to occasionally rough. Showers likely.
Friday..Northeast wind 10 to 15 knots. Bays slightly choppy to occasionally choppy. Showers.
Friday night..Northeast wind 10 to 15 knots. Bays slightly choppy to occasionally choppy. A chance of showers.
Saturday..North wind around 15 knots. Bays choppy. A chance of showers.
Saturday night..Northeast wind 15 to 20 knots. Bays choppy to occasionally rough. A chance of showers.
Sunday..Northeast wind 15 to 20 knots. Bays choppy to occasionally rough. A slight chance of showers.
Sunday night..Northeast wind 15 to 20 knots. Bays choppy to occasionally rough. A chance of showers.
GMZ200 411 Am Cdt Wed Oct 17 2018
Synopsis for the middle texas coastal waters.. Offshore flow and seas will increase through Thursday morning across the coastal waters. Rain and embedded Thunderstorms will develop late this afternoon across the offshore waters. Rain and Thunderstorms will then develop and move across the remainder of the waters tonight and persist through Thursday. The wind direction will gradually become more northeast tonight and Thursday across the open waters due to an approaching trough of low pressure. A weak to moderate northeast flow will persist through the end of the week. A more moderate to strong northeast wind will develop over the weekend as a reinforcing surge of high pressure slides south. Abundant moisture over the region and the persistent coastal trough will lead to additional showers Friday through the weekend.


7 Day Forecast for Marine Location Near Rockport city, TX
   Hourly   EDIT   Help
location: 27.99, -97.07     debug


Area Discussion for - Corpus Christi, TX
      (on/off)   Help   NOTE: mouseover dotted underlined text for definition
Fxus64 kcrp 170604
afdcrp
area forecast discussion
national weather service corpus christi tx
104 am cdt Wed oct 17 2018

Discussion
Please see the aviation discussion below for more details.

Aviation
Through the morning hours, areas generally east of highway 281
will be mostly in the ifr ceiling range with mainly MVFR
conditions expected further west. A slow improvement in ceilings
to mostly MVFR conditions is expected through the late morning
and aftn. Only a few light sprinkles showers and or patchy drizzle
can be expected overnight and during the day on Wednesday. By
Wednesday evening, rain chances will begin increasing from east to
west areawide but especially across the eastern TAF sites. By
03z Thursday, most areas will be back down to ifr levels as the
rain begins to develop.

Previous discussion issued 1050 pm cdt Tue oct 16 2018
discussion...

the forecast is in pretty good shape this evening and no major
changes were needed. Forecast was updated to account for latest
trends and obs. For the overnight hours, some showers may move
inland from gulf as suggested by hi-res guidance. Outside of any
showers, patchy drizzle will be possible across the area. Vsbys
recently dropped at vct to between 2 and 4 miles and have also
included some fog in the forecast over the victoria crossroads.

With abundant cloud cover across the region, temperatures should
hold in the 50s.

Marine...

small craft advisories continue over the middle texas coastal
waters through Wednesday. Borderline conditions around 20 knots
will occur overnight, but should increase during the day on
Wednesday to between 20 and 25 knots.

Previous discussion... Issued 730 pm cdt Tue oct 16 2018
discussion...

updated for 00z aviation.

Aviation...

MVFR to ifr ceilings will prevail across south texas throughout
the TAF period. Some drizzle may occur tonight with showers
possible during the day on Wednesday. Winds over the next 24 hours
will be out of the northwest to north, generally between 10 and
15 knots.

Previous discussion... Issued 359 pm cdt Tue oct 16 2018
short term (tonight through Wednesday night)...

weak isentropic lift today has kept shower activity to a minimum,
with mainly just drizzle across south texas. Flow will remain weak
tonight and will not expect much substantial rainfall again
tonight... Mainly just cool cloudy and damp drizzly. Isentropic lift
begins to increase a bit on Wednesday so will expect scattered
showers once again. Will keep the thick cloud cover and cool
temperatures going through Wednesday as well with lows tonight
similar to last night... Upper 40s and lower 50s... And highs
tomorrow a couple of degrees warmer than today... But still well
below normal. As moisture increases along the coast will start to
see slightly warmer temperatures (60s) there. A weak coastal trough
a bit offshore the texas coast today and tonight will begin to
tighten up and drift toward the coast Wednesday and Wednesday night.

This should provide a better focus for rain as moisture increases
with pwats approaching 2.5 inches by the end of the period.

Record low MAX temps are breakable again on Wednesday... Though will
not be as impressive as today where we will break these records by
10-15 degrees for all 3 climate sites. Tomorrows records are as
follows... Crp:69, vct:66, lrd: 69. These are all above current
forecast highs... Though vct could be relatively close.

Long term (Thursday through Tuesday)...

Thursday Friday, an upper disturbance over the four corners srn
rockies lifts NE dissipates while another upper system
develops moves from canada across the NRN plains midwest. Over the
cwa msa, a coastal trough persists. Expect this trough to combine
with copious moisture a generate numerous widespread shower activity
Thursday Friday. Owing to expected efficient rainfall production,
persistent convergent region, saturated environment, excessive
rainfall may occur over the ERN cwa. Isentropic lift expected over
the cntrl WRN cwa.

Saturday Sunday, in response to the foregoing NRN disturbance, a
secondary surge of surface high pressure expected to move across the
cwa msa. Copious moisture remains after the surge and will retain
pcpn in the forecast, consistent with the superblend.

Monday Tuesday, copious moisture persists and a coastal trough weak
isentropic lift redevelops which contributes to additional
precipitation.

Marine...

have lowered wave heights just a bit based on current observations.

Not seeing anything above 5 feet from the 3 buoys that are
relatively close, so will stick with more of a 5 to 7 this evening
increasing to 6 to 8 in deep waters later in the night. As far as
sca is concerned, have gone ahead and extended for another 24 hours
for open waters as winds and seas will both be at or near sca
criteria. Rain chances will increase Wednesday and Wednesday night
as well. SCA scec conditions anticipated Thursday owing to the
strong mslp gradient associated with the coastal trough surface
anticyclone to the north. SCA conditions expected Saturday
night Sunday in response to the secondary surge of surface high
pressure.

Preliminary point temps pops
Corpus christi 62 57 65 61 72 50 80 70 60 70
victoria 62 55 66 60 69 40 70 70 50 60
laredo 57 52 57 55 67 30 80 70 50 40
alice 61 54 61 58 68 40 80 70 60 60
rockport 65 60 68 66 74 50 80 70 70 80
cotulla 57 53 57 55 66 30 70 70 60 40
kingsville 61 56 63 59 70 50 80 70 60 70
navy corpus 66 62 69 68 76 60 80 70 70 80

Crp watches warnings advisories
Tx... None.

Gm... Small craft advisory until 7 am cdt Thursday for the following
zones: coastal waters from baffin bay to port aransas out
20 nm... Coastal waters from port aransas to matagorda ship
channel out 20 nm... Waters from baffin bay to port aransas
from 20 to 60 nm... Waters from port aransas to matagorda
ship channel from 20 to 60 nm.

Mb 80... Aviation


Weather Reporting Stations
   EDIT       (on/off)   Help   NOTE: Click on distance to see the station location on a map
Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
RTAT2 - 8775237 - Port Aransas, TX 10 mi33 min NNE 9.9 G 14 55°F 74°F1021.1 hPa
ANPT2 11 mi33 min NNW 16 G 18 55°F 1020.1 hPa
PTAT2 - Port Aransas, TX 11 mi63 min NNW 11 G 15 55°F 74°F1020.8 hPa (-0.6)53°F
TAQT2 - 8775296 - Texas State Aquarium, TX 21 mi33 min 55°F 73°F1020.7 hPa
AWRT2 22 mi33 min NNW 7 G 9.9 54°F 67°F1020.8 hPa
NUET2 25 mi33 min NW 11 G 14 64°F1021.8 hPa
PACT2 - 8775792 - Packery Channel, TX 26 mi33 min NW 14 G 17 56°F 62°F1021.1 hPa
MQTT2 - 8775870 - Malaquite Beach (Corpus Christi), TX 29 mi33 min NW 13 G 17 56°F 75°F1020.8 hPa
SDRT2 - 8773037 - Seadrift, TX 35 mi33 min NNW 8 G 17 54°F 65°F1020.6 hPa
IRDT2 38 mi33 min NW 14 G 17 55°F 65°F1021.6 hPa
PCNT2 - 8773701 - Matagorda Bay; Port O'Connor, TX 48 mi33 min NNW 17 G 20 56°F 62°F1020 hPa
MBET2 49 mi33 min NNE 15 G 19 57°F 82°F1018.9 hPa

Wind History for Rockport, TX
(wind in knots)    EDIT      (on/off)   Help
Last
24hr
1 day
ago
2 days
ago

Airport Reports
    EDIT      (on/off)   Help   Click EDIT to display multiple airports
AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Rockport Aransas County Airport, TX7 mi70 minNNW 129.00 miOvercast54°F52°F93%1020.9 hPa
Mc Campbell, TX9 mi68 minN 1110.00 miOvercast55°F51°F88%1021 hPa

Wind History from NGP (wind in knots)
12
AM
1
AM
2
AM
3
AM
4
AM
5
AM
6
AM
7
AM
8
AM
9
AM
10
AM
11
AM
12
PM
1
PM
2
PM
3
PM
4
PM
5
PM
6
PM
7
PM
8
PM
9
PM
10
PM
11
PM
Last 24hrNW17NW13
G22
NW19
G23
NW20NW18
G26
NW19
G27
NW24
G29
N21
G27
N20
G26
N17N17
G24
N17N15
G20
NW14N13
G19
N14NW15N15
G22
N14N15N16N14N15N17
G21
1 day agoSE12SE14SE13SE11SE11SE12SE10SE11SE8SE9N24
G28
N26
G31
N23
G30
N22
G30
N20
G28
N24
G30
N17
G26
N20
G26
N15
G24
N17N17N17
G22
N14
G23
N13
G24
2 days agoS15S13
G18
S10
G20
S10S13S13S13SE16
G22
S11S11
G20
S12
G18
S13S14SE16
G22
SE14SE11SE13SE15SE14SE13SE14
G20
SE14SE13SE14

Tide / Current Tables for Rockport, Aransas Bay, Texas
   EDIT   RT Ports Option   Weekend mode (on/off)   (on/off)   Help   One Week of Data
Rockport
Click for Map
Wed -- 01:05 AM CDT     Moonset
Wed -- 07:29 AM CDT     Sunrise
Wed -- 09:41 AM CDT     0.72 feet High Tide
Wed -- 03:00 PM CDT     Moonrise
Wed -- 06:56 PM CDT     Sunset
Wed -- 07:45 PM CDT     0.46 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
0.60.60.60.60.70.70.70.70.70.70.70.70.70.70.60.60.50.50.50.50.50.50.50.5

Tide / Current Tables for Aransas Pass, Texas Current
   EDIT      (on/off)   Help   One Week of Data
Aransas Pass
Click for Map
Wed -- 01:05 AM CDT     Moonset
Wed -- 06:34 AM CDT     -0.00 knots Slack
Wed -- 07:29 AM CDT     Sunrise
Wed -- 01:49 PM CDT     -1.01 knots Max Ebb
Wed -- 02:59 PM CDT     Moonrise
Wed -- 06:56 PM CDT     Sunset
Wed -- 08:16 PM CDT     0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
1.31.21.21.10.80.50.2-0.1-0.3-0.4-0.4-0.6-0.8-1-1-1-0.9-0.8-0.7-0.4-0.10.30.81.1

Weather Map and Satellite Images
       (on/off)   HelpWeather Map
wmap_A
GOES Local Image of SouthCentralPlains    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.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Corpus Christi, TX (6,6,7,8)
      (on/off)   Help

Ground Weather Radar Station Corpus Christi, TX
   (on/off)   Help
weather_mapweather_map weather_map

Gulf Stream Current


Ad by Google

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.