Thursday, April22, 2021
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Marine Weather and Tides
Sarita, TX

Version 3.4
NOTICE
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 6:58AMSunset 8:01PM Thursday April 22, 2021 8:09 AM CDT (13:09 UTC) Moonrise 2:27PMMoonset 3:10AM Illumination 80% Phase: Waxing Gibbous; Moon at 10 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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GMZ230 Bays And Waterways From Baffin Bay To Port Aransas- 354 Am Cdt Thu Apr 22 2021
Today..Southeast wind 10 to 15 knots. Bays slightly choppy to occasionally choppy. A slight chance of showers in the afternoon.
Tonight..Southeast wind around 15 knots. Bays slightly choppy to choppy. A slight chance of showers in the evening, then a chance of showers and Thunderstorms after midnight.
Friday..Southeast wind 15 to 20 knots. Bays choppy. A chance of showers and Thunderstorms in the morning, then a slight chance of showers and Thunderstorms in the afternoon.
Friday night..South wind 15 to 20 knots decreasing to 10 to 15 knots after midnight. Bays choppy. A chance of showers and Thunderstorms in the evening.
Saturday..West wind 5 to 10 knots shifting north in the afternoon. Bays smooth to slightly choppy.
Saturday night..Northeast wind 10 to 15 knots. Bays slightly choppy to occasionally choppy.
Sunday..East wind around 10 knots becoming 10 to 15 knots in the afternoon. Bays slightly choppy to occasionally choppy.
Sunday night..Southeast wind 10 to 15 knots. Bays slightly choppy to occasionally choppy.
Monday..Southeast wind 10 to 15 knots increasing to 15 to 20 knots in the afternoon. Bays choppy.
Monday night..Southeast wind 15 to 20 knots. Bays choppy.
GMZ200 354 Am Cdt Thu Apr 22 2021
Synopsis for the middle texas coastal waters.. A moderate southeast flow will prevail today through tonight. Isolated showers are possible today, becoming scattered with a few Thunderstorms late tonight. Thunderstorms will continue during the day Friday, and are expected to taper off in the evening with the loss of daytime heating. Small craft advisory conditions will be possible over the gulf waters Friday morning through Saturday morning. Small craft advisory conditions could continue into Saturday afternoon when seas will subside below 7 feet. Weak to moderate winds will shift to the northwest Saturday, then turn to the northeast Saturday night. Weak to moderate onshore flow will return by Sunday night and persist through Tuesday. Flow will increase late Tuesday ahead of a cold front expected to cross the waters late Tuesday night and Wednesday. Isolated to scattered showers and perhaps an isolated Thunderstorm will be possible beginning Wednesday night.


7 Day Forecast for Marine Location Near Sarita, TX
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location: 27.26, -97.56     debug


Area Discussion for - Corpus Christi, TX
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FXUS64 KCRP 221149 AFDCRP

Area Forecast Discussion National Weather Service Corpus Christi TX 649 AM CDT Thu Apr 22 2021

AVIATION. 12Z TAFs

LRD currently at MVFR, and expected to remain MVFR through the period as low level clouds continue to move in from the west. All other sites currently experiencing VFR conditions, and will gradually become MVFR through the day as clouds develop due to an increase in low level moisture and an incoming upper level distubrance. Isolated showers are possible today through tonight. Did not include thunder in TAFs, but will mention the possibility of isolated thunderstorms for VCT. Rain chances increase Friday for all sites.

PREV DISCUSSION. /Issued 423 AM CDT Thu Apr 22 2021/

SHORT TERM (Today through Friday) .

An upper level short wave will track east, bringing a chance of rain to the area today. Best chances of rain remain in the Victoria Crossroads and northern Coastal bend due to southeasterly winds bringing deep moisture into the area and the afternoon sea breeze providing some lifting support. With a capping inversion in place, deep convection will be inhibited, so expecting primarily showers today.

Showers will continue through this evening. An approaching upper long wave trough will eject a moderate shortwave across S TX overnight tonight, leading to an increase in instability, low level convergence, and diffluence aloft. PWATs will increase to around 1.7" as well. With all of this in place, there will be an increasing chance of thunderstorms overnight tonight.

Numerous showers and thunderstorms are expected Friday as a deep mid to upper-level trough moves into west Texas Friday morning, with a Pacific dryline expected to move in ahead of it. There will be sufficient energy aloft with the presence of positive vorticity and upper-level divergence. At the surface, an area of low pressure will strengthen over the Texas Panhandle, pulling the warm front northward to the OK/TX border. This will place South Texas in the warm sector, allowing warm moist air to build into the region. Soundings still reflect the cap weakening around 15Z, and continuing to weaken through the afternoon hours as CAPE values increase to around 2000 J/kg. A destabilizing cap, sufficient instability,and PWATs greater than 1.75" will create an environment suitable for the development of showers and thunderstorms. Additionally, isentropic lift, low-level moisture convergence ahead of the dryline, and mesoscale features such as an outflow boundary would help to initiate convection. An increase in effective shear during the afternoon hours along with a veering wind profile could allow for the development of organized severe thunderstorms, including supercells. The limiting factor continues to be the question of how strong the cap will be, so will continue to keep an eye on how models handle this destabilization. In previous cases, models have underdone the strength of the cap, which led to a lack of deep convection. At this time, we are watching to see how warm southwesterly flow at the 700-850mb level will affect the strength of the cap, but enhanced positive vorticity at this level may provide enough aid to break it.

The best chance for strong to severe thunderstorms remains in the Victoria Crossroads and northeastern counties. SPC has the Victoria area in a slight risk for severe weather, and northeast McMullen County to northern Aransas County in a marginal risk. All modes of severe hazards are possible, with the greatest risk being large hail and damaging winds.

LONG TERM (Friday Night through Wednesday) .

Showers and thunderstorms are likely to continue through midnight Saturday as a dryline approaches South Texas and the right entrance region of the subtropical jet settles over the area. A capping inversion could strengthen through the night, limiting precipitation chances. The dryline will push across the area by Saturday morning, bringing in dry air and effectively ending the chances for rain. An upper level ridge will then build in and persist until Tuesday. Temperatures will increase under this high pressure, with highs in the triple digits across the Brush Country by Tuesday. Heat index values may briefly reach 105 to 109 in isolated locations. With the drier air, warm temperatures, and moderate winds, fire weather may briefly become a concern across portions of South Texas.

Moisture will increase Tuesday into Wednesday ahead of another front. Timing on this is still questionable, but Tuesday night into Wednesday appears to be the general consensus. Given the uncertainty in timing and how far out in time this is expected, will continue to use the NBM as it seems to be a good compromise. Temperatures will be almost 10 degrees cooler Thursday than on Tuesday. Some isolated showers and perhaps a thunderstorm will be possible with this front.

MARINE .

A moderate southeast flow will prevail today through tonight. Isolated showers are possible today, becoming scattered with a few thunderstorms late tonight. Thunderstorms will continue during the day Friday, and are expected to taper off in the evening with the loss of daytime heating. Small Craft Advisory conditions will be possible over the Gulf waters Friday morning through Saturday morning. Small Craft Advisory conditions could continue into Saturday afternoon when seas will subside below 7 feet. Weak to moderate winds will shift to the northwest Saturday, then turn to the northeast Saturday night. Weak to moderate onshore flow will return by Sunday night and persist through Tuesday. Flow will increase late Tuesday ahead of a cold front expected to cross the waters late Tuesday night and Wednesday. Isolated to scattered showers and perhaps an isolated thunderstorm will be possible beginning Wednesday night.

PRELIMINARY POINT TEMPS/POPS. Corpus Christi 73 70 83 69 91 / 20 40 50 10 0 Victoria 73 67 79 66 87 / 20 60 90 20 0 Laredo 82 71 97 67 97 / 20 10 10 20 0 Alice 75 69 91 66 95 / 30 40 50 20 0 Rockport 73 71 80 69 88 / 20 50 60 20 0 Cotulla 76 69 92 63 97 / 20 30 30 10 0 Kingsville 75 70 90 68 93 / 20 40 40 10 0 Navy Corpus 72 72 79 70 85 / 20 40 50 10 0

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



HAA/72 . AVIATION


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
BABT2 - 8776604 - Baffin Bay; Point of Rocks, TX 9 mi51 min E 14 G 17 69°F 70°F1016 hPa
IRDT2 20 mi51 min ESE 14 G 17 69°F 66°F1016.4 hPa
MQTT2 - 8775870 - Malaquite Beach (Corpus Christi), TX 29 mi51 min E 17 G 20 69°F
PACT2 - 8775792 - Packery Channel, TX 31 mi51 min ENE 13 G 16 69°F 66°F1016.3 hPa
RSJT2 - 8777812 - Rincon del San Jose; Potrero Lopeno SW, TX 32 mi51 min ESE 13 G 15 68°F 67°F1016 hPa
TAQT2 - 8775296 - Texas State Aquarium, TX 39 mi51 min 69°F 68°F1016.3 hPa
TLVT2 39 mi51 min 69°F 1016.7 hPa64°F
TXVT2 39 mi51 min 69°F 1017.1 hPa63°F
VTBT2 40 mi51 min E 11 G 15 68°F 1016.8 hPa63°F
MHBT2 44 mi51 min E 8 G 11 68°F 1016.8 hPa64°F
42092 47 mi69 min 70°F3 ft
ANPT2 48 mi51 min ENE 15 G 17 69°F 68°F1016.6 hPa
PTAT2 - Port Aransas, TX 48 mi69 min E 15 G 17 68°F 68°F1016.7 hPa (-1.0)62°F
RTAT2 - 8775237 - Port Aransas, TX 48 mi51 min E 9.9 G 14 68°F 76°F
UTVT2 48 mi51 min 69°F 64°F
PMNT2 49 mi51 min 68°F 70°F1016.2 hPa

Wind History for Baffin Bay, TX
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Kingsville, Naval Air Station, TX22 mi73 minE 510.00 miOvercast66°F59°F78%1016 hPa

Link to 5 minute data for KNQI

Wind History from NQI (wind in knots)
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1 day agoCalmE4Calm53E75E7
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2 days agoNW6NW7N8N8NE8NE10E11E10E10E11E8E8E734NE3CalmCalmCalmCalmN4NW5N4N3

Tide / Current Tables for Corpus Christi, Texas
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Corpus Christi
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Thu -- 04:09 AM CDT     Moonset
Thu -- 05:13 AM CDT     0.22 feet Low Tide
Thu -- 06:57 AM CDT     Sunrise
Thu -- 01:45 PM CDT     1.70 feet High Tide
Thu -- 03:25 PM CDT     Moonrise
Thu -- 07:57 PM CDT     Sunset
Thu -- 08:46 PM CDT     1.24 feet Low Tide
Thu -- 10:45 PM CDT     1.26 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.90.80.60.40.30.20.20.30.50.81.11.41.61.71.71.71.61.51.41.31.21.21.31.3

Tide / Current Tables for Corpus Christi, Texas (2) (expired 1999-07-23)
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Corpus Christi
Click for Map
Thu -- 12:07 AM CDT     0.34 feet High Tide
Thu -- 04:10 AM CDT     Moonset
Thu -- 06:57 AM CDT     Sunrise
Thu -- 09:47 AM CDT     0.08 feet Low Tide
Thu -- 03:25 PM CDT     Moonrise
Thu -- 07:21 PM CDT     0.28 feet High Tide
Thu -- 07:58 PM CDT     Sunset
Thu -- 08:29 PM CDT     0.28 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.30.30.30.30.30.20.20.10.10.10.10.10.10.20.20.20.20.30.30.30.30.30.30.3

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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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