Tuesday, June15, 2021
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Marine Weather and Tides
Rockport, TX

Version 3.4
NOTICE
3/30/2021 -- ANZ330 has been split into ANZ331 and ANZ332. Click EDIT in Marine Forecast and select your new zone.
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 6:31AMSunset 8:27PM Monday June 14, 2021 11:47 PM CDT (04:47 UTC) Moonrise 9:05AMMoonset 11:06PM Illumination 26% Phase: Waxing Crescent; Moon at 5 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- 1016 Pm Cdt Mon Jun 14 2021
Rest of tonight..West wind 5 to 10 knots shifting south after midnight, then shifting west early in the morning. Bays smooth.
Tuesday..Northwest wind around 5 knots shifting southeast in the afternoon. Bays smooth.
Tuesday night..Southeast wind 5 to 10 knots. Bays smooth.
Wednesday..Northeast wind around 5 knots shifting east in the afternoon. Bays smooth. A slight chance of showers and Thunderstorms.
Wednesday night..East wind 5 to 10 knots. Bays smooth.
Thursday..Northeast wind 5 to 10 knots shifting east in the afternoon. Bays smooth.
Thursday night..East wind 5 to 10 knots. Bays smooth.
Friday..Northeast wind 5 to 10 knots becoming east 10 to 15 knots in the afternoon. Bays slightly choppy to occasionally choppy. A slight chance of showers and Thunderstorms.
Friday night..East wind 10 to 15 knots becoming northeast 5 to 10 knots after midnight. Bays slightly choppy to occasionally choppy. A chance of showers and Thunderstorms.
Saturday..North wind 5 to 10 knots shifting northeast in the afternoon. Bays smooth to slightly choppy. A chance of showers and Thunderstorms.
Saturday night..Southeast wind 5 to 10 knots shifting south after midnight. Bays smooth. A slight chance of showers and Thunderstorms.
GMZ200 1016 Pm Cdt Mon Jun 14 2021
Synopsis for the middle texas coastal waters.. A light and variable flow can be expected through the overnight hours and will continue Tuesday and Tuesday night. Light onshore winds continue through mid-week, becoming northeasterly and moderate Friday into Saturday as a low pressure system moves into the northern gulf of mexico. The national hurricane center indicates this system has a high chance of becoming a tropical depression late in the week. Small craft advisory conditions may begin over the offshore waters Friday afternoon due to increasing swells. Isolated showers and Thunderstorms will be possible Wednesday through Thursday night, becoming scattered Friday through Saturday night. Mariners should Monitor the latest information from the national hurricane center.


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


Area Discussion for - Corpus Christi, TX
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FXUS64 KCRP 150015 AFDCRP

Area Forecast Discussion National Weather Service Corpus Christi TX 715 PM CDT Mon Jun 14 2021

DISCUSSION.

Thunderstorms pushed a little farther west than originally expected and tapped the strong instability that developed across the area dispite the lack of shear. Storms now showing a weakening trend and should dissipate by 02z with the loss of heating. Expect light and variable winds overnight with areas of fog developing late. Will need to monitor for patch dense fog in areas that received rain this evening provided skies can clear overnight. Updated zones to add PoPs farther west. No other changes attm.

AVIATION.

Cluster of showers and thunderstorms will continue moving west southwest through 02z before dissipating. Thunderstorm wind gusts up to 30 knots may be possible at the ALI terminal. Thereafter, expect VFR conditions through 09z. Then MVFR to LIFR in fog early Tue morning (10-13z) across the Coastal Bend from ALI-VCT. Once fog dissipates Tue morning, VFR conditions in mostly clear skies are expected for the remainder of the day. A repeat of storms will be possible Tue afternoon/evening as another mid level disturbance moves across the area.

PREV DISCUSSION. /Issued 245 PM CDT Mon Jun 14 2021/

SHORT TERM (Tonight through Tuesday Night) .

Hot and humid conditions will continue this afternoon with heat indices 105-109 across the Coastal Bend. Expect isolated showers and thunderstorms across the northeast Coastal Bend late this afternoon and evening as a weak S/W moves through. Moisture (PWATs 1.9") and instability (mixed layer capes 3000 j/kg) is highest in that area and the cap is weakest. Storms were currently moving SW across Wharton and Matagorda Counties and could approach Victoria and Calhoun Counties by 5pm. Given the environmental conditions a strong storm is possible. Convection should dissipate after sunset and winds become light and variable. This will allow for areas of fog to develop late tonight/toward sunrise Tuesday. Some patchy dense fog will be possible 10-13z Tue. Continued hot and mostly dry on Tuesday with temperatures/heat indices a degree or two less than today. Another mid level S/W will cross the NE Coastal Bend resulting in isolated/scattered showers and thunderstorms in the afternoon, mainly over the Victoria area. Winds will be light and variable, becoming onshore around 10 knots in the afternoon. Areas/Patchy fog is expected again Tuesday Night across the Coastal Plains.

LONG TERM (Wednesday through Monday) .

The upper air pattern at the beginning of the long term period will be dominated by a 600 decameter ridge over the Four Corners region. After some early morning fog Wednesday morning, a shortwave trough moving under this ridge will skirt southwest along the Texas coast. This may allow for a few showers to develop, but expect most activity to remain relegated to the sea breeze during the late morning and afternoon hours across the coastal counties. Similar conditions are expected again on Thursday with a few showers or storms developing along the sea breeze. Expect heat to persist both days with afternoon heat index values in the 100-105 degree range.

Attention for Thursday into the weekend will focus on the evolution of an elongated trough currently located in the Bay of Campeche. Satellite imagery through the course of today has shown shower and thunderstorm activity associated with this feature remains largely disorganized. ASCAT passes have unfortunately missed sampling the bay this afternoon, but surface observations still indicated the presence of the surface trough. 850-250 mb shear analysis shows a corridor of very strong wind shear stretching from south of Brownsville to the Yucatan Peninsula and the presence of this shear axis will likely keep the surface trough disorganized and stationary over the next 48 hours. However, as mid-level ridging shifts westward on Thursday and an upper level trough develops and elongates along the Texas coast, the Bay of Campeche trough is expected to lift northward towards the central Gulf of Mexico and eventually the northern Gulf of Mexico by Friday.

Global deterministic and ensemble guidance remains consistent in this general northward trend in movement with the trough developing into a surface low and likely a tropical depression by Friday as it interacts with an easterly moving wave from the Caribbean. Increasing shear along the Texas coast, however, may contribute to a rather lop-sided or asymmetrical system, with the majority of rain and wind on the north and east side of whatever develops. Have maintained consistency with the previous forecast and continued to advertise increasingly hazardous marine conditions as swell from this system arrives by Friday. Hazardous beach and marine conditions may continue through Sunday before improving. In the wake of this system, expect heat to build across South Texas.

MARINE .

Isolated showers and thunderstorms will be possible along the coast mainly north of Port Aransas late this afternoon and Tuesday afternoon with the onshore flow remaining weak. Light onshore winds continue through mid-week, becoming northeasterly and moderate Friday into Saturday as a low pressure system into the northern Gulf of Mexico. The National Hurricane Center indicates this system has a high chance of becoming a tropical depression late in the week. Small Craft Advisory conditions may begin over the offshore waters Friday afternoon due to increasing swells. Isolated showers and thunderstorms will be possible Wednesday through Thursday night, becoming scattered Friday through Saturday Night. Mariners should monitor the latest information from the National Hurricane Center.

PRELIMINARY POINT TEMPS/POPS. Corpus Christi 75 93 75 91 75 / 20 10 0 20 0 Victoria 74 94 74 93 73 / 30 30 20 20 0 Laredo 76 99 75 98 74 / 0 10 0 10 0 Alice 72 95 73 94 72 / 20 10 0 20 0 Rockport 77 92 78 91 77 / 20 10 0 20 0 Cotulla 76 99 77 98 75 / 10 10 10 10 0 Kingsville 73 93 74 92 73 / 20 10 0 10 0 Navy Corpus 79 90 79 89 78 / 20 10 0 10 0

CRP WATCHES/WARNINGS/ADVISORIES. TX . None. GM . None.



JM/75 . AVIATION


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
RCPT2 - 8774770 - Rockport, TX 3 mi47 min WNW 2.9 G 6 78°F 89°F1014.7 hPa (+0.7)
HIVT2 10 mi47 min 79°F 1013.5 hPa (+0.5)73°F
MAXT2 - Mission-Aransas Reserve, TX 10 mi47 min W 6 81°F 1015 hPa (+1.0)74°F
RTAT2 - 8775237 - Port Aransas, TX 10 mi47 min W 1.9 G 4.1 80°F 83°F1013.1 hPa (+0.7)
ANPT2 11 mi47 min W 5.1 G 6 79°F 84°F1013 hPa (+0.6)
UTVT2 11 mi47 min 80°F 73°F
PTAT2 - Port Aransas, TX 11 mi47 min WNW 4.1 G 5.1 79°F 82°F1013.8 hPa (+0.5)71°F
MHBT2 13 mi47 min NW 2.9 G 5.1 81°F 1013.7 hPa (+0.7)74°F
TAQT2 - 8775296 - Texas State Aquarium, TX 21 mi47 min 80°F 89°F1013.4 hPa (+0.8)
TXVT2 21 mi47 min 80°F 1014.1 hPa (+0.8)71°F
AWRT2 22 mi47 min NW 6 G 7 76°F 87°F1013.4 hPa (+1.1)
TLVT2 24 mi47 min 79°F 1014 hPa (+0.6)74°F
NUET2 25 mi47 min NW 2.9 G 4.1 92°F1014.5 hPa (+0.6)
VTBT2 26 mi47 min NNW 5.1 G 5.1 78°F 1014.1 hPa (+0.6)75°F
MQTT2 - 8775870 - Malaquite Beach (Corpus Christi), TX 29 mi47 min SW 1.9 G 5.1 80°F
SDRT2 - 8773037 - Seadrift, TX 35 mi47 min NW 5.1 G 8 77°F 86°F1014.2 hPa (+1.1)
IRDT2 38 mi47 min NNW 1.9 G 4.1 83°F 91°F1013.7 hPa (+0.7)
PCNT2 - 8773701 - Matagorda Bay; Port O'Connor, TX 48 mi47 min WNW 6 G 7 77°F 92°F1013.8 hPa (+1.2)
MBET2 49 mi47 min NE 2.9 G 4.1 81°F 1012.6 hPa (+1.0)

Wind History for Rockport, TX
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Rockport Aransas County Airport, TX7 mi54 minWSW 49.00 miFair77°F72°F85%1013.7 hPa
Mc Campbell, TX9 mi72 minNW 410.00 miFair77°F71°F82%1013.9 hPa
Port Aransas, Mustang Beach Airport, TX12 mi52 minNW 310.00 miFair80°F71°F74%1014.6 hPa
Corpus Christi, Corpus Christi Naval Air Station/Truax Field, TX24 mi51 minN 010.00 miMostly Cloudy81°F71°F72%1013.6 hPa

Link to 5 minute data for KNGP

Wind History from NGP (wind in knots)
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Last 24hrS5S6S4SW3SW5S3W6W5W6W6SW43N5N9NE7NE7E5SE8SE9SE7N12N7N5Calm
1 day agoS8S8S6S4S6S5SW3CalmN3NW3CalmNE6NE5E65SE4SE9SE10SE11SE9SE7S5S5S4
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Tide / Current Tables for Rockport, Aransas Bay, Texas
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Rockport
Click for Map
Tue -- 12:06 AM CDT     Moonset
Tue -- 04:47 AM CDT     -0.00 feet Low Tide
Tue -- 06:31 AM CDT     Sunrise
Tue -- 11:04 AM CDT     Moonrise
Tue -- 06:02 PM CDT     0.31 feet High Tide
Tue -- 08:26 PM CDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.20.10.1000000.10.10.20.20.20.30.30.30.30.30.30.30.30.30.30.2

Tide / Current Tables for Aransas Pass, Texas Current
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Aransas Pass
Click for Map
Tue -- 12:06 AM CDT     Moonset
Tue -- 04:33 AM CDT     0.00 knots Slack
Tue -- 06:31 AM CDT     Sunrise
Tue -- 09:26 AM CDT     1.84 knots Max Flood
Tue -- 11:04 AM CDT     Moonrise
Tue -- 04:44 PM CDT     -0.00 knots Slack
Tue -- 08:25 PM CDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-1.8-1.6-1.2-0.7-0.30.20.71.21.61.81.81.71.51.210.70.3-0.1-0.4-0.7-0.9-1.1-1.3-1.5

Weather Map
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GEOS Local Image of SouthCentralPlains    EDIT
NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
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