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Marine Weather and Tides
Version 3.4 |
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 6:35AM | Sunset 6:24PM | Monday March 8, 2021 9:27 AM CST (15:27 UTC) | Moonrise 3:30AM | Moonset 1:55PM | Illumination 25% |  |
GMZ375 Expires:202103082130;;648721 Fzus54 Khgx 080912 Cwfhgx Coastal Waters Forecast National Weather Service Houston/galveston Tx 312 Am Cst Mon Mar 8 2021 Upper Texas Coastal Waters From High Island To The Matagorda Ship Channel Out 60 Nautical Miles Including Galveston And Matagorda Bays Seas Are Provided As A Range Of The Average Height Of The Highest 1/3 Of The Waves...along With The Occasional Height Of The Average Highest 10 Percent Of The Waves. Gmz370-375-082130- Waters From Freeport To Matagorda Ship Channel Tx From 20 To 60 Nm-waters From High Island To Freeport Tx From 20 To 60 Nm- 312 Am Cst Mon Mar 8 2021
Today..East winds 10 to 15 knots. Seas 3 to 5 feet. A slight chance of showers.
Tonight..Southeast winds 10 to 15 knots. Seas 4 to 5 feet with occasional seas up to 6 feet.
Tuesday..Southeast winds 15 to 20 knots. Seas 4 to 6 feet with occasional seas up to 7 feet.
Tuesday night..Southeast winds 15 to 20 knots. Seas 5 to 7 feet with occasional seas up to 8 feet.
Wednesday..Southeast winds 15 to 20 knots. Seas 5 to 7 feet with occasional seas up to 8 feet.
Wednesday night..Southeast winds 15 to 20 knots. Seas 6 to 8 feet with occasional seas up to 10 feet.
Thursday..Southeast winds 15 to 20 knots. Seas 6 to 8 feet with occasional seas up to 10 feet.
Thursday night..Southeast winds 15 to 20 knots. Seas 6 to 8 feet with occasional seas up to 10 feet.
Friday..Southeast winds 15 to 20 knots. Seas 6 to 8 feet with occasional seas up to 10 feet.
Friday night..Southeast winds 15 to 20 knots. Seas 6 to 7 feet with occasional seas up to 8 feet.
Today..East winds 10 to 15 knots. Seas 3 to 5 feet. A slight chance of showers.
Tonight..Southeast winds 10 to 15 knots. Seas 4 to 5 feet with occasional seas up to 6 feet.
Tuesday..Southeast winds 15 to 20 knots. Seas 4 to 6 feet with occasional seas up to 7 feet.
Tuesday night..Southeast winds 15 to 20 knots. Seas 5 to 7 feet with occasional seas up to 8 feet.
Wednesday..Southeast winds 15 to 20 knots. Seas 5 to 7 feet with occasional seas up to 8 feet.
Wednesday night..Southeast winds 15 to 20 knots. Seas 6 to 8 feet with occasional seas up to 10 feet.
Thursday..Southeast winds 15 to 20 knots. Seas 6 to 8 feet with occasional seas up to 10 feet.
Thursday night..Southeast winds 15 to 20 knots. Seas 6 to 8 feet with occasional seas up to 10 feet.
Friday..Southeast winds 15 to 20 knots. Seas 6 to 8 feet with occasional seas up to 10 feet.
Friday night..Southeast winds 15 to 20 knots. Seas 6 to 7 feet with occasional seas up to 8 feet.
GMZ300 Synopsis For High Island To The Matagorda Ship Channel Out 60 Nautical Miles Including Galveston And Matagorda Bays 312 Am Cst Mon Mar 8 2021
Synopsis for high island to matagorda ship channel out 60 nm.. As surface high pressure over the southeastern u.s. Continues to push eastward, onshore flow will continue to develop during the day today with east winds eventually turning to the southeast by late afternoon. Surface low pressure will deepen over the central plains by mid-week, increasing both wind speeds and wave heights across the coastal waters. With dew points increasing as a result of the persistent onshore flow, the possibility of sea fog development will also increase by mid-week.
Synopsis for high island to matagorda ship channel out 60 nm.. As surface high pressure over the southeastern u.s. Continues to push eastward, onshore flow will continue to develop during the day today with east winds eventually turning to the southeast by late afternoon. Surface low pressure will deepen over the central plains by mid-week, increasing both wind speeds and wave heights across the coastal waters. With dew points increasing as a result of the persistent onshore flow, the possibility of sea fog development will also increase by mid-week.
7 Day Forecast for Marine Location Near Galveston, TX
Hourly EDIT Help
location: 28.84, -94.35 debug
Area Discussion for - Houston/Galveston, TX
(on/off) Help NOTE: mouseover dotted underlined text for definitionFXUS64 KHGX 081143 AFDHGX
Area Forecast Discussion National Weather Service Houston/Galveston TX 543 AM CST Mon Mar 8 2021
AVIATION [12Z TAF Issuance].
Conditions remain within VFR thresholds this morning with satellite imagery showing mostly clear skies. A southeastward wind shift through the day today will gradually increase available moisture, and cloud cover is expected to concurrently increase heading into the evening. A drop to MVFR conditions will be possible overnight tonight across the northern terminals with model soundings indicating saturated lower levels around 09Z. Otherwise, the only potential issue to contend with today will be the possibility of some gustier winds during the afternoon, with sustained speeds reaching 10-15kts and gusts reaching around 20kts.
Cady
PREV DISCUSSION. /ISSUED 341 AM CST Mon Mar 8 2021/
DISCUSSION .
This week is mostly tracked for a long warming trend, taking us from dry conditions and below average temperatures to a more humid environment with lows approaching average highs for this time of year, and high temperatures pushing up into the 80s. Over the weekend, though, a cold front will come through to bring us a more significant shot at rain and an isolated thunderstorm, with some cooler temperatures to follow.
SHORT TERM [Through Tuesday Night] .
An extended period of warmer and more humid conditions across SE TX will begin today, culminating in our region's first taste of highs in the mid 80s this year by the end of the week. The driving factor behind this pattern shift remains continued ridging aloft and the gradual eastward motion of surface high pressure over the southeastern CONUS. As winds veer to the southeast throughout the day today, the resultant WAA/moisture transport will push highs into the low to mid-70s at most locations while surface dewpoints rise around 10-15 degF compared to yesterday afternoon. Overnight lows across the board should remain in the 50s, aided by increasing cloud cover throughout the evening hours.
Temperatures/moisture will continue their rise on Tuesday as southeasterly winds increase as a developing lee cyclone over CO/KS works to tighten the synoptic pressure gradient. Most locations should see highs in the mid to upper 70s while dew points may exceed the 60 degree mark. As broken to overcast skies develop by Tuesday night and radiative cooling is further limited, lows will remain in the mid to upper 50s north of the Houston metro and the lower 60s across the metro and along the coast/barrier islands.
LONG TERM [Wednesday Through Monday] .
By the middle of the week, we should be pretty well established in southwest flow between strong ridging oriented southwest to northeast across the Gulf and through to the Atlantic, and a deep trough over the western US. At the surface, something resembling the Bermuda high will put us solidly into a persistent onshore flow regime. It's still a bit early for that summertime semi- permanent high, but functionally, it will be a lot like it for this week.
This setup will definitely set us up for warmer and humid conditions, and expect a good number of highs on Wednesday to exceed 80 degrees, only to become more widespread on Thursday and Friday, with some middle 80s for highs plausible in the warmer spots in the area. Meanwhile, overnight, we'll leave behind lows in the 50s Wednesday morning, with lows in the 60s becoming widespread late in the week.
As far as rain goes, I wouldn't be terribly surprised to see some really light sprinkles or showers with this setup, but I'm also really hard pressed to put in PoPs with progged precipitable water still below one inch on Wednesday. So, Wednesday stays dry and I have only limited sprinkles/slight chance showers Thursday and Friday. Rain chances should really pick up this weekend though, as the deep western trough finally pushes eastward enough to spin up a more significant surface low and push a cold front deep into Texas.
There's still disagreement on the details, but the broad consensus is still for a weekend cold front, and this will put an end to the warmth we'll expect for most of the week. The timing of the front will be important on just how things play out, particularly for Saturday temperatures. For now, I'm leaning towards a later passage, which means some warmer temperatures for Saturday and Saturday night, waiting for Sunday afternoon to really show the dip in temps.
MARINE .
Onshore winds will continue to develop throughout the day today as surface high pressure over the southeastern CONUS continues to drift eastward. This pattern is expected to remain in place throughout the upcoming week, with low-level moisture increasing steadily as a result of the persistent southeasterly winds. While winds will remain relatively light today (below caution criteria), both winds and seas will build by mid-week as developing low pressure over the Central Plains tightens the surface pressure gradient. Cautions and/or advisories will likely be needed by Wednesday. Furthermore, as the onshore winds continue to enhance moisture transport and water temperatures in the bays remain at around 60 degF, there will be a potential for sea fog development by mid-week.
PRELIMINARY POINT TEMPS/POPS. College Station (CLL) 73 51 75 57 80 / 0 0 10 0 0 Houston (IAH) 72 55 74 60 80 / 0 0 0 0 10 Galveston (GLS) 67 61 70 61 72 / 0 0 0 0 10
HGX WATCHES/WARNINGS/ADVISORIES. TX . NONE. GM . NONE.
DISCUSSION . Luchs SHORT TERM . Cady LONG TERM . Luchs AVIATION . Cady MARINE . Cady
Weather Reporting Stations
EDIT (on/off) Help NOTE: Click on distance to see the station location on a map| Stations | Dist | Age | Wind | Air Temp | Water Temp | Waves | Pressure | DewPt |
| 42035 - GALVESTON 22NM East of Galveston, TX | 26 mi | 38 min | E 9.7 G 12 | 60°F | 1030.4 hPa | |||
| 42043 - GA-252 TABS B | 31 mi | 148 min | E 5.8 | 60°F | ||||
| GTOT2 | 40 mi | 58 min | E 6 G 8.9 | 61°F | 59°F | 1030.6 hPa | ||
| GNJT2 - 8771341 - Galveston Bay (North Jetty), TX | 41 mi | 58 min | E 9.9 G 9.9 | 58°F | 59°F | 1029.8 hPa | ||
| GRRT2 | 43 mi | 58 min | ENE 6 G 8 | 58°F | 60°F | 1030.5 hPa | ||
| LUIT2 | 44 mi | 58 min | ENE 8.9 G 12 | 60°F | 60°F | 1030.1 hPa | ||
| RLOT2 - 8770971 - Rollover Pass, TX | 47 mi | 64 min | ENE 7 G 8 | 55°F | 53°F | 1031.3 hPa |
Wind History for Galveston Pleasure Pier, TX
(wind in knots) EDIT (on/off) Help| Last 24hr | ||||||||||||||||||||||||
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| 2 days ago |
Airport Reports
EDIT (on/off) Help Click EDIT to display multiple airports. Follow links for more data.| Airport | Dist | Age | Wind kt | Visibility | Sky/Weather | Temp | DewPt | Humidity | Pressure |
Link to 5 minute data for KXIH
Wind History from XIH (wind in knots)
| 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 | 12 AM | 1 AM | 2 AM | 3 AM | 4 AM | 5 AM | 6 AM | 7 AM | 8 AM | 9 AM | |
| Last 24hr | S G17 | S | S | S G13 | S | S | S | S | S | S | S | S | SE G21 | S G22 | SE G20 | SE G22 | S G31 | S G28 | S | S G26 | S G24 | S G24 | S G26 | S G24 |
| 1 day ago | W | W | W | SW | Calm | S | S G13 | S G12 | SE | S | S | S G16 | S | S | S | S | S G13 | S | S | S | S | S G17 | ||
| 2 days ago | SW | SW | S | SW | SW | SW | SW | SW | SW G14 | SW | S | SW | SW | SW G13 | SW | SW | SW | SW | SW G13 | SW | W | W | W | W |
Tide / Current Tables for Galveston (Pleasure Pier), Texas (2)
EDIT Weekend mode (on/off) (on/off) Help One Week of DataGalveston (Pleasure Pier)
Click for Map
Mon -- 03:33 AM CST Moonrise
Mon -- 05:19 AM CST -0.85 feet Low Tide
Mon -- 06:36 AM CST Sunrise
Mon -- 01:56 PM CST Moonset
Mon -- 02:25 PM CST 1.96 feet High Tide
Mon -- 06:23 PM CST Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Mon -- 03:33 AM CST Moonrise
Mon -- 05:19 AM CST -0.85 feet Low Tide
Mon -- 06:36 AM CST Sunrise
Mon -- 01:56 PM CST Moonset
Mon -- 02:25 PM CST 1.96 feet High Tide
Mon -- 06:23 PM CST Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
| 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 |
| 0.8 | 0.4 | -0.1 | -0.4 | -0.7 | -0.8 | -0.8 | -0.6 | -0.2 | 0.2 | 0.8 | 1.3 | 1.6 | 1.9 | 1.9 | 1.9 | 1.9 | 1.8 | 1.7 | 1.6 | 1.6 | 1.6 | 1.6 | 1.5 |
Tide / Current Tables for Galveston Bay entrance, south jetty, Texas
EDIT (on/off) Help One Week of DataGalveston Bay entrance
Click for Map
Mon -- 03:32 AM CST Moonrise
Mon -- 05:20 AM CST -0.81 feet Low Tide
Mon -- 06:36 AM CST Sunrise
Mon -- 01:55 PM CST Moonset
Mon -- 02:52 PM CST 1.86 feet High Tide
Mon -- 06:23 PM CST Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Mon -- 03:32 AM CST Moonrise
Mon -- 05:20 AM CST -0.81 feet Low Tide
Mon -- 06:36 AM CST Sunrise
Mon -- 01:55 PM CST Moonset
Mon -- 02:52 PM CST 1.86 feet High Tide
Mon -- 06:23 PM CST Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
| 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 |
| 0.8 | 0.4 | -0 | -0.4 | -0.7 | -0.8 | -0.8 | -0.6 | -0.3 | 0.1 | 0.6 | 1.1 | 1.5 | 1.7 | 1.8 | 1.9 | 1.8 | 1.7 | 1.7 | 1.6 | 1.5 | 1.5 | 1.5 | 1.4 |
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