Sunday, December15, 2019
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Marine Weather and Tides
Tierra Grande, TX

Version 3.4
NOTICE
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.
6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 7:11AMSunset 5:37PM Sunday December 15, 2019 2:51 PM CST (20:51 UTC) Moonrise 9:17PMMoonset 10:21AM Illumination 83% Phase: Waning Gibbous; Moon at 19 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- 901 Am Cst Sun Dec 15 2019
.small craft advisory in effect until 7 pm cst this evening...
Rest of today..South wind 10 to 15 knots increasing to around 20 knots in the late morning and afternoon. Bays choppy. Patchy fog early in the morning.
Tonight..South wind 15 to 20 knots decreasing to 10 to 15 knots after midnight. Bays choppy. Patchy fog after midnight.
Monday..South wind 10 to 15 knots shifting northwest in the afternoon. Bays slightly choppy to occasionally choppy. Patchy fog in the morning.
Monday night..North wind 20 to 25 knots. Bays choppy to rough.
Tuesday..North wind 15 to 20 knots. Bays choppy to occasionally rough.
Tuesday night..North wind 15 to 20 knots. Bays choppy to occasionally rough.
Wednesday..Northeast wind 10 to 15 knots. Bays slightly choppy to occasionally choppy.
Wednesday night..East wind 5 to 10 knots. Bays smooth.
Thursday..East wind 5 to 10 knots becoming southeast 10 to 15 knots in the afternoon. Bays slightly choppy to occasionally choppy.
Thursday night..Southeast wind 10 to 15 knots becoming south 5 to 10 knots after midnight. Bays slightly choppy to occasionally choppy. A slight chance of showers.
GMZ200 901 Am Cst Sun Dec 15 2019
Synopsis for the middle texas coastal waters.. Moderate to strong southerly flow is expected today and tonight. Patchy fog will be possible near the coast and adjacent bays overnight tonight. A strong cold front will move through the area Monday afternoon delivering strong northerly winds. Some showers and a few Thunderstorms are expected on Monday with the front. A gale watch is in effect Monday evening through Tuesday morning for possible gale conditions. Small craft advisory conditions will then likely linger through Wednesday morning. Weak to moderate onshore flow will resume Wednesday night and Thursday.


7 Day Forecast for Marine Location Near Tierra Grande, TX
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location: 27.74, -97.45     debug


Area Discussion for - Corpus Christi, TX
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FXUS64 KCRP 151732 AFDCRP

Area Forecast Discussion National Weather Service Corpus Christi TX 1132 AM CST Sun Dec 15 2019

DISCUSSION.

See aviation discussion below for the 18Z TAFs.

AVIATION.

Clouds across the eastern portions of S TX this morning are quickly eroding. Area-wide VFR conditions are expected through this afternoon and evening. MVFR CIGs and VSBYs are expected by late evening and overnight across a majority of S TX due to increasing cloud cover and patchy fog. A cold front is forecasted to move through S TX Mon mid morning. Iso/sct convection will be possible Mon morning across the VCT TAF area with the cold front. Moderate to strong southerly winds this afternoon will relax this evening and overnight. Winds will shift to the west then north Mon morning behind the front and strengthen through Mon afternoon.

PREV DISCUSSION. /Issued 541 AM CST Sun Dec 15 2019/

DISCUSSION .

12Z aviation discussion follows.

AVIATION .

Barring some intermittent IFR ceilings at CRP and VCT (a bit more stubborn at ALI), MVFR should prevail before switching to VFR by mid/late morning. Recent wind data from CRP's radar and upper air balloon show low level wind shear is a bit too marginal, but very gusty south winds near 30 knots are likely at CRP and VCT toward midday. All terminals stand a good chance of at least MVFR ceilings tonight and some light fog, with the earliest onset favored at VCT not long after sunset.

PREV DISCUSSION . /Issued 358 AM CST Sun Dec 15 2019/

SHORT TERM (Today through Monday) .

Advection fog was making steady gains over the eastern half of the forecast area at 3 AM with most obs indicating visibility of 1-3 miles. The HRRR is lagging a few hours with the fog's coverage, but its trend for improving visibility near the islands and bays is already on track, so no dense fog headlines are anticipated. Stratus does not appear particularly thick, so this shallow layer should erode and secure a repeat of record highs for some spots. Cooler temps from the NAM are being dismissed due to its overly bullish stratus and nearly saturated boundary layer lingering through the afternoon. Southerly winds will again turn quite breezy by midday along the Coastal Bend as mixing taps into a decent LLJ poised around 925 mb.

Tonight, model soundings show more stratus than fog emerging over much of the region. Barring a few streamer showers offshore and toward Matagorda Bay, measurable precip chances are next to nil. This story changes a bit through the day tomorrow, but only across the Victoria Crossroads where stout capping around 850 mb stands a slightly better chance of eroding thanks to weak height falls/cooling aloft in the base of an upper trough. Otherwise, this capping will allow for little-to-no fanfare even as a cold front edges south ahead of only modest CAA. Once this front intersects a deep moist axis well offshore by late afternoon, we should see some deeper convection and storms materialize. Else, models including CAMs remain very paltry with QPF over land, so later forecasts may need to trim Monday's PoPs even lower than our 20-40 percent currently depicted. Even with the strongest surge of CAA arriving after sunset, high temps on Monday should be at least 5 to 10 degrees lower than today.

LONG TERM (Monday Night through Saturday) .

The cold front will have pushed farther offshore with rain chances tapering off. A tight pressure gradient will lead to winds strengthening over the waters, with a Gale Watch currently in effect for Monday evening through Tuesday morning for winds gusts frequenting gale force. Cooler and drier air will filter in behind the front, with skies clearing. Morning lows Tuesday morning are expected to range in the upper 30s to lower 40s. Persistent northerly winds will continue CAA and limit warming for Tuesday, with highs in the upper 50s to near 60 expected. Models continue to single out Tuesday night as the coldest of the nights, with lows dipping into the 30s area-wide, with the potential for a freeze across the northern zones from Cotulla to Victoria.

Wednesday will also be cool with daytime temps near 60, with another chilly night in the 30s/40s, although only isolated locations in rural areas to flirt near freezing.

Onshore flow will resume Wednesday night into Thursday, with temperatures to gradually warm. A weak coastal trough is expected to develop offshore and return moisture to the region with slight chances for showers possible Thursday. Models continue to bring in a weak frontal boundary Friday, which should continue slight chances for rain Friday. This boundary is not much of a temperature changer as it is just bringing drier air. Rain chances will taper off Friday night through the weekend.

MARINE .

Moderate south winds early this morning will become strong by mid- morning from much of the open Gulf waters west to the Middle TX Coast bays and waterways from Port Aransas to Baffin Bay. A Small Craft Advisory is in effect from 9 AM until 7 PM for these southern bays and adjacent nearshore waters, and until noon on Monday for the open waters. Moderate south winds overnight for the nearshore waters will expand east through Monday morning and trend weak, but seas around 7 feet over the open waters will take until Monday afternoon to subside below SCA levels. A few showers and some thunderstorms are possible on Monday as a cold front moves south ahead of moderate and eventually strong offshore flow.

A Gale Watch is in effect Monday evening through Tuesday morning for possible Gale conditions. Small Craft Advisory conditions will then likely linger through Wednesday morning. Weak to moderate onshore flow will resume Wednesday night and Thursday.

PRELIMINARY POINT TEMPS/POPS. Corpus Christi 87 66 80 42 59 / 0 0 10 0 0 Victoria 84 67 77 38 56 / 0 10 40 0 0 Laredo 88 60 80 43 59 / 0 0 0 0 0 Alice 90 65 82 41 62 / 0 0 0 0 0 Rockport 84 68 77 42 59 / 10 10 20 0 0 Cotulla 86 57 79 39 59 / 0 0 0 0 0 Kingsville 89 66 82 42 61 / 0 0 0 0 0 Navy Corpus 81 69 77 44 57 / 0 10 10 0 0

CRP WATCHES/WARNINGS/ADVISORIES. TX . None. GM . Gale Watch from Monday evening through Tuesday morning 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.

Small Craft Advisory until noon CST Monday For the following zones: 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.

Small Craft Advisory until 7 PM CST this evening For the following zones: Bays and Waterways from Baffin Bay to Port Aransas . Coastal waters from Baffin Bay to Port Aransas out 20 NM.



TE/81 . AVIATION


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
TAQT2 - 8775296 - Texas State Aquarium, TX 6 mi52 min 76°F 65°F1006.2 hPa (-3.1)
NUET2 7 mi52 min S 16 G 19 66°F1006.8 hPa (-3.3)
PACT2 - 8775792 - Packery Channel, TX 13 mi58 min SE 17 G 25 74°F 68°F1007.7 hPa
MQTT2 - 8775870 - Malaquite Beach (Corpus Christi), TX 17 mi58 min SE 20 G 22 71°F 67°F1006.9 hPa
IRDT2 19 mi52 min SSE 21 G 25 74°F 1007.7 hPa (-3.2)
RTAT2 - 8775237 - Port Aransas, TX 21 mi58 min SSE 13 G 19 73°F 66°F1007.9 hPa
PTAT2 - Port Aransas, TX 22 mi52 min SSE 18 G 20 70°F 66°F1007.7 hPa (-2.8)68°F
ANPT2 23 mi52 min SE 17 G 19 70°F 65°F1007.3 hPa (-3.0)
RCPT2 - 8774770 - Rockport, TX 29 mi58 min 71°F 1007.7 hPa
BABT2 - 8776604 - Baffin Bay; Point of Rocks, TX 31 mi58 min SE 17 G 20 73°F 70°F1007.3 hPa
AWRT2 48 mi58 min S 19 G 25 73°F 66°F1007.2 hPa

Wind History for Nueces Bay, TX
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Corpus Christi, Corpus Christi International Airport, TX3 mi61 minS 15 G 2110.00 miFair86°F68°F55%1006.6 hPa
Corpus Christi, Corpus Christi Naval Air Station/Truax Field, TX9 mi1.9 hrsS 16 G 2410.00 miFair77°F70°F79%1008.3 hPa
Robstown, Nueces County Airport, TX13 mi77 minS 13 G 2110.00 miFair87°F64°F47%1007.1 hPa
Mc Campbell, TX17 mi77 minS 19 G 2610.00 miFair and Breezy80°F70°F73%1007.8 hPa
Port Aransas, Mustang Beach Airport, TX20 mi57 minSSE 15 G 1910.00 miFair73°F67°F84%1008.5 hPa

Link to 5 minute data for KCRP

Wind History from CRP (wind in knots)
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Last 24hrS17SE16SE14SE14S14S14S13S11S11S11S12S10S11S12S10S9S11S13S15S17
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1 day agoW13NW13W9W7W4W4S6S6S5S4S5SW6SW5SW4SW4N4N33SE3S4S6S11S11S15
2 days agoN6E5NE6E3NE4NE5NE5NE3N4NE3CalmSE4CalmNW3W4W5W4NW6W4SW4W4SW10W10W10

Tide / Current Tables for Corpus Christi, Texas (2) (expired 1999-07-23)
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Corpus Christi
Click for Map
Sun -- 04:02 AM CST     0.41 feet High Tide
Sun -- 07:12 AM CST     Sunrise
Sun -- 10:20 AM CST     Moonset
Sun -- 03:36 PM CST     -0.02 feet Low Tide
Sun -- 05:36 PM CST     Sunset
Sun -- 09:16 PM CST     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.40.40.40.40.40.40.40.40.30.30.20.20.10.10-0-0000.10.20.20.30.3

Tide / Current Tables for Aransas Pass, Texas Current
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Aransas Pass
Click for Map
Sun -- 02:34 AM CST     -0.00 knots Slack
Sun -- 07:11 AM CST     Sunrise
Sun -- 09:25 AM CST     -2.11 knots Max Ebb
Sun -- 10:18 AM CST     Moonset
Sun -- 02:48 PM CST     0.00 knots Slack
Sun -- 05:35 PM CST     Sunset
Sun -- 07:36 PM CST     2.08 knots Max Flood
Sun -- 09:15 PM CST     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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10.60.2-0.2-0.6-0.9-1.2-1.6-1.9-2.1-2.1-1.9-1.6-1.1-0.50.10.71.31.822.121.81.5

Weather Map
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wmap_A
GEOS 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.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Corpus Christi, TX (15,3,4,5)
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Ground Weather Radar Station Corpus Christi, TX
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Gulf Stream Current


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