Sunday, March7, 2021
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Marine Weather and Tides
Tiki Island, 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 6:36AMSunset 6:23PM Sunday March 7, 2021 2:14 PM CST (20:14 UTC) Moonrise 2:35AMMoonset 12:56PM Illumination 33% Phase: Waning Crescent; Moon at 24 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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GMZ335 Galveston Bay- 925 Am Cst Sun Mar 7 2021
Rest of today..East winds 10 to 15 knots. Bay waters slightly choppy.
Tonight..Southeast winds 5 to 10 knots becoming east after midnight. Bay waters smooth.
Monday..East winds 5 to 10 knots. Bay waters smooth.
Monday night..Southeast winds around 10 knots. Bay waters smooth to slightly choppy.
Tuesday..Southeast winds 10 to 15 knots. Bay waters slightly choppy.
Tuesday night..Southeast winds 10 to 15 knots. Bay waters slightly choppy.
Wednesday..South winds 10 to 15 knots. Bay waters slightly choppy.
Wednesday night..Southeast winds 10 to 15 knots. Bay waters slightly choppy.
Thursday..Southeast winds 10 to 15 knots. Bay waters slightly choppy.
Thursday night..Southeast winds 10 to 15 knots. Bay waters slightly choppy.
GMZ300 Synopsis For High Island To The Matagorda Ship Channel Out 60 Nautical Miles Including Galveston And Matagorda Bays 925 Am Cst Sun Mar 7 2021
Synopsis for high island to matagorda ship channel out 60 nm.. High pressure over the ozarks will bring northeast to east winds to the coastal waters today. The high will drift east and winds will veer to the east and eventually southeast by Monday night. Low pressure will develop in the lee of the rockies early next week, resulting in an increase in southeast winds and building seas.


7 Day Forecast for Marine Location Near Tiki Island, TX
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location: 29.32, -94.8     debug


Area Discussion for - Houston/Galveston, TX
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FXUS64 KHGX 071734 AFDHGX

Area Forecast Discussion National Weather Service Houston/Galveston TX 1134 AM CST Sun Mar 7 2021

AVIATION [18Z TAF Issuance].

VFR conditions will continue through this TAF cycle. While E/SE winds have returned to the area today . still not expecting any appreciable increase with low-level moisture until tomorrow (or even tomorrow night). 41

PREV DISCUSSION. /ISSUED 334 AM CST Sun Mar 7 2021/

DISCUSSION .

It wasn't quite quickly enough, but thoughts of winter will fade away this week. First, the weekend is cooler after last Friday's cold front, but only modestly so. And we now begin a warming trend that will bring low temps up into the 60s and highs up into the lower half of the 80s later this week. While some short spritzes may crop up here and there as moisture builds through the week, solid rain chances won't really show up on the scene until the end of the week.

SHORT TERM [Through Monday Night] .

With recent satellite imagery showing only a few areas of cirrus aloft, surface high pressure/upper ridging dominating the synoptic pattern and light east-northeasterly winds continuing to provide cooler and drier air to SE TX, Sunday is shaping up to be another pleasant day across the area. Cloud cover should remain minimal and afternoon highs once again look to reach the vicinity of 70 degrees at most locations. With conditions remaining largely cloud-free through the evening, nocturnal cooling will remain efficient and lows will dip into the upper 30s to 40s again overnight.

The beginnings of what will be an extended period of warmer and more humid weather will begin to take hold on Monday as the dominant surface high pushes further eastward towards the southeastern CONUS. As winds concurrently shift to the southeast and moisture transport/WAA increase, look for a modest increase in afternoon highs (low/mid 70s) and a slightly more substantial increase in surface dewpoints. With this pattern shift promoting the development of a broken/overcast deck overnight on Monday (combined with the aforementioned WAA), overnight lows will stay in the mid to upper 50s at most locations.

LONG TERM [Tuesday Through Sunday] .

The story of the long term will be the amplification of a stacked eastern US ridge and western US trough pattern, putting us underneath southwest flow aloft. Surface flow will be dominated by high pressure to the east, giving us persistent onshore flow through the week. As a result, we should expect the seasonable weekend temperatures to gradually drift further upwards through the 70s and into the 80s for highs by late week. Similarly, the increasing humidity from the low level moisture return will make for low temperatures increasing into the middle 60s. So, yes, late week low temps will be getting dangerously close to average high temperatures for this time of year. My sweet winter child, summer is coming.

As we move towards the weekend, the deep western trough will slowly begin to make its way east. The GFS has started to join the Euro in being not nearly as progressive with the main trough - not particularly a surprise given the amplitude of the upper pattern. As we discussed in the office a little earlier - when the waves get really long, they tend to not move so fast. So, while a surface low is still expected to spin up in the Plains and make its way northeast, the trailing cold front isn't likely to pose any threat of working into our forecast area. Again, perhaps unsurprisingly, the NBM deterministic numbers continue to be overcorrected. In chatting with the neighbors, we all thought it best to continue to shooting more towards the NBM median values, thanks to the persistent onshore flow and no front expected.

Eventually, the deep trough will drop off the Rockies and spin up a lee cyclone of its own. This should be powerful enough to push a front into our area. But, it's probably still too early to get real specific on timing with this. But, we should be thinking more late weekend/early next week rather than late this week/early this weekend. 25

FIRE WEATHER .

Another seasonable and dry day is expected. Look for temperatures to be around or a little below 70 degrees, with minimum RH falling below 30 percent for the large majority of the area. Winds will slowly become more onshore later today, which will keep humidity modestly higher at the coast. Mitigating the low humidity values inland will be relatively light winds, of 5-10 mph for most. Some gusts near the coast may push towards 15 mph as a weak, early season sea breeze sets up. Winds will continue to take on a greater onshore component into the new week, which will spur a trend to warmer and more humid conditions. 25

PRELIMINARY POINT TEMPS/POPS. College Station (CLL) 69 40 72 53 77 / 0 0 0 0 10 Houston (IAH) 70 45 71 55 76 / 0 0 0 0 10 Galveston (GLS) 63 56 66 60 70 / 0 0 0 0 0

HGX WATCHES/WARNINGS/ADVISORIES. TX . NONE. GM . NONE.


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
GTOT2 1 mi56 min E 8 G 15 60°F 60°F1028.4 hPa
GNJT2 - 8771341 - Galveston Bay (North Jetty), TX 5 mi62 min E 17 G 18 57°F 60°F1027.7 hPa
GRRT2 5 mi56 min ESE 7 G 13 60°F 61°F1028.3 hPa
EPTT2 - 8771013 - Eagle Point, TX 13 mi56 min E 13 G 15 58°F 61°F1028.5 hPa
RLOT2 - 8770971 - Rollover Pass, TX 20 mi56 min ESE 16 G 19 57°F 60°F1029 hPa
42035 - GALVESTON 22NM East of Galveston, TX 21 mi44 min E 14 G 18 58°F 1028.1 hPa
42043 - GA-252 TABS B 24 mi134 min ENE 9.7 59°F
LUIT2 24 mi56 min ENE 16 G 19 59°F 62°F1027.9 hPa
MGPT2 - 8770613 - Morgans Point, TX 27 mi56 min SE 13 G 16 61°F 60°F1028.9 hPa
HIST2 29 mi62 min E 12 G 16 59°F 61°F1028.7 hPa
FPST2 37 mi56 min NE 14 G 16 59°F 1027.3 hPa
NCHT2 - 8770777 - Manchester, TX 37 mi56 min E 7 G 14 63°F 63°F1028.1 hPa

Wind History for Galveston Pleasure Pier, TX
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Galveston, Scholes Field, TX5 mi22 minE 1510.00 miFair63°F43°F48%1028.4 hPa

Link to 5 minute data for KGLS

Wind History from GLS (wind in knots)
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Last 24hrN6E8SE6NE4CalmCalmNE7NE10NE13NE10NE11NE8NE8NE10NE7N9N9NE12NE8NE10E15E11E11E15
1 day agoS5S9SE8SE8E8E4E4NE6N10N11N16N15N14N13N20
G25
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N16N17N16N17N13N15N14N12
2 days agoSE8E9E8E9SE8SE7SE7SE7E6E5SE8SE9SE9E5E5E6E7E9E7SE8SE9SE10S8SE6

Tide / Current Tables for Galveston (Galveston Channel), Texas
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Galveston (Galveston Channel)
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Sun -- 02:35 AM CST     Moonrise
Sun -- 05:13 AM CST     -0.54 feet Low Tide
Sun -- 06:37 AM CST     Sunrise
Sun -- 12:56 PM CST     Moonset
Sun -- 02:53 PM CST     1.31 feet High Tide
Sun -- 06:22 PM CST     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.50.2-0.1-0.3-0.5-0.5-0.5-0.4-0.20.10.50.81.11.21.31.31.31.31.21.11.11.110.9

Tide / Current Tables for Bolivar Roads, Texas Current
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Bolivar Roads
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Sun -- 02:35 AM CST     Moonrise
Sun -- 03:52 AM CST     -1.97 knots Max Ebb
Sun -- 06:37 AM CST     Sunrise
Sun -- 08:41 AM CST     0.00 knots Slack
Sun -- 12:43 PM CST     2.02 knots Max Flood
Sun -- 12:56 PM CST     Moonset
Sun -- 06:22 PM CST     Sunset
Sun -- 07:30 PM CST     -0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-1.2-1.4-1.7-1.9-2-1.9-1.6-1.1-0.50.211.6221.91.61.310.60.2-0.2-0.5-0.7-0.8

Weather Map
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GEOS Local Image of    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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