Monday, March1, 2021
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Marine Weather and Tides
Clear Lake Shores, 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 6:44AMSunset 6:21PM Monday March 1, 2021 5:01 PM CST (23:01 UTC) Moonrise 9:06PMMoonset 8:30AM Illumination 89% Phase: Waning Gibbous; Moon at 18 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- 315 Pm Cst Mon Mar 1 2021
.small craft advisory in effect through Tuesday morning...
Tonight..North winds 20 to 25 knots. Bay waters choppy. Showers likely until early morning. Isolated Thunderstorms. A chance of showers late.
Tuesday..North winds 15 to 20 knots decreasing to 10 to 15 knots in the afternoon. Bay waters choppy becoming slightly choppy in the afternoon.
Tuesday night..North winds 10 to 15 knots decreasing to 5 to 10 knots after midnight. Bay waters slightly choppy becoming smooth after midnight.
Wednesday..North winds 5 to 10 knots becoming northeast in the afternoon. Bay waters smooth.
Wednesday night..South winds around 5 knots becoming north after midnight. Bay waters smooth.
Thursday..Northeast winds 5 to 10 knots becoming southeast in the afternoon. Bay waters smooth.
Thursday night..Southeast winds 5 to 10 knots becoming east after midnight. Bay waters smooth. A chance of showers late.
Friday..Southeast winds 5 to 10 knots. Bay waters smooth. A chance of showers.
Friday night..East winds 5 to 10 knots becoming northeast 15 to 20 knots after midnight. Bay waters smooth becoming choppy after midnight. A slight chance of showers in the evening.
Saturday..Northeast winds 15 to 20 knots decreasing to 10 to 15 knots in the afternoon. Bay waters choppy becoming slightly choppy in the afternoon.
Saturday night..Northeast winds 5 to 10 knots. Bay waters smooth.
GMZ300 Synopsis For High Island To The Matagorda Ship Channel Out 60 Nautical Miles Including Galveston And Matagorda Bays 315 Pm Cst Mon Mar 1 2021
Synopsis for high island to matagorda ship channel out 60 nm.. Moderate offshore flow is prevailing in the wake of this mornings cold front with sustain winds of 15 to 25 knots and gusts up to 30 knots. Chances of rain showers and Thunderstorms will persist into the nighttime hours. The northerly winds will remain moderate to strong through Tuesday afternoon before beginning to gradually decrease. A north to northeast flow will prevail for Tuesday and Wednesday before onshore flow returns by Wednesday night as surface high pressure pushes off to the east.


7 Day Forecast for Marine Location Near Clear Lake Shores, TX
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location: 29.55, -95     debug


Area Discussion for - Houston/Galveston, TX
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FXUS64 KHGX 012134 AFDHGX

Area Forecast Discussion National Weather Service Houston/Galveston TX 334 PM CST Mon Mar 1 2021

SHORT TERM [Tonight Through Tuesday]. Cool northerly winds will continue overnight with a swath of showers and thunderstorms late this afternoon and evening then an area of spotty showers redeveloping on the backside of the system and moving through the region late tonight through 9 am Tuesday. Temperatures will fall into 40s areawide . near 50 coast so quite a bit cooler than just a day ago. Skies will go from overcast tonight with the rain to partly cloudy Tuesday afternoon from west to east. Temperatures on Tuesday will only warm to the mid 50s hampered by the cloud cover and over the west/southwestern areas where the clouds clear earlier highs could reach the lower 60s. 45

LONG TERM [Tuesday Night Through Monday].

With light winds prevailing and skies becoming mostly clear, radiational cooling will make Tuesday night/Wednesday morning the coldest night of the week with temperatures in the upper 30s to the north of I-10 and in the low 40s to the south. The area of high pressure that moved in following the passage of Monday morning's cold front will move eastward on Wednesday and bring full onshore flow back by Wednesday night/Thursday morning. A warming trend will occur in the latter half of the week where we will see our high temperatures back into the 70s by Thursday. While moisture will be on the rise as well, upper-level and mid-level flow will remain mostly zonal. So, precipitation is not expected through at least Friday. Going into Friday afternoon is where the quiet weather takes a backseat to a seemingly more active pattern.

There is model consensus in a shortwave trough moving southeastward from the Rockies. With suitable moisture in place (PW values ranging from 1.00"-1.25") along with upper-level divergence and a frontal boundary moving in, there will be suitable lift for rain showers to develop along the frontal boundary as it moves through on Friday night/Saturday morning. Instability does not look favorable enough to throw thunderstorms into the grids for now. Moderate northerly winds will return following this FROPA as well with CAA lasting into Saturday night. Dry air filtering in behind the front will mix out most of the cloud cover by Saturday afternoon, so expecting a much nicer weekend than the previous one which was mainly featured by foggy and warm conditions. Still a bit far out to exactly nail down the temperatures, but highs will likely be in the mid-to-upper 60s next weekend with lows in the 40s/50s. A nice change of pace with some sunshine mixed in as well! High pressure ridges in following this cold front as well, and while onshore flow returns by Monday night, rain chances are expected to hold off until the middle part of next week. 26

MARINE.

Moderate northerly winds in the wake of this morning's cold front has brought about a period of advisory level conditions with sustained winds of 20-25 knots and gusts up to 30 knots. Expecting the offshore winds to remain moderate through Tuesday afternoon before gradually decreasing. Offshore seas will build up to 5-7 feet going into tomorrow morning before decreasing as well. Offshore winds will persist into Wednesday morning. By Wednesday night, high pressure will begin to slide off to the east and bring back an onshore flow that will prevail going into the weekend. Next wind shift will be with another cold front that is forecast to pass through the area on Friday night/Saturday morning. Following this FROPA, moderate offshore winds are expected to return. 26

PRELIMINARY POINT TEMPS/POPS.

College Station (CLL) 43 58 37 65 42 / 50 10 0 0 0 Houston (IAH) 47 59 41 66 43 / 80 30 0 0 0 Galveston (GLS) 51 56 46 60 52 / 70 20 0 0 0

HGX WATCHES/WARNINGS/ADVISORIES.

TX . None. GM . Small Craft Advisory until noon CST Tuesday for the following zones: Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM . Coastal waters from High Island to Freeport TX out 20 NM . Galveston Bay . Matagorda Bay . 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.



SHORT TERM . 45 LONG TERM . 26 DSS . 42


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
EPTT2 - 8771013 - Eagle Point, TX 6 mi43 min NNE 14 G 19 62°F 62°F1016.9 hPa
MGPT2 - 8770613 - Morgans Point, TX 9 mi43 min NE 18 G 24 59°F 62°F1017.3 hPa
GRRT2 18 mi43 min NE 20 G 23 60°F 64°F1016.6 hPa
NCHT2 - 8770777 - Manchester, TX 19 mi43 min ENE 7 G 20 60°F 63°F1017.2 hPa
GNJT2 - 8771341 - Galveston Bay (North Jetty), TX 20 mi49 min NE 24 G 29 61°F 59°F1015.6 hPa
GTOT2 20 mi43 min NE 7 G 15 60°F 59°F1016.7 hPa
RLOT2 - 8770971 - Rollover Pass, TX 26 mi43 min NE 24 G 27 60°F 62°F1017 hPa
HIST2 32 mi49 min NNE 14 G 21 60°F 63°F1016.8 hPa
LUIT2 33 mi43 min NNE 23 G 28 61°F 64°F1016 hPa
42035 - GALVESTON 22NM East of Galveston, TX 38 mi21 min NE 21 G 27 59°F 57°F1016.2 hPa
42043 - GA-252 TABS B 40 mi181 min ENE 14 58°F
FPST2 45 mi43 min NNE 22 G 26 61°F 1015.4 hPa

Wind History for Eagle Point, TX
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Houston / Ellington, TX10 mi71 minNNE 20 G 2610.00 miOvercast and Breezy61°F54°F77%1016.9 hPa
Houston, Pearland Regional Airport, TX13 mi68 minNE 13 G 2010.00 miOvercast61°F53°F75%1017.5 hPa
Houston, Houston Hobby Airport, TX16 mi68 minNE 19 G 2610.00 miOvercast and Breezy61°F53°F75%1017.6 hPa
Galveston, Scholes Field, TX21 mi69 minN 21 G 2410.00 miOvercast and Breezy62°F55°F78%1016.9 hPa

Link to 5 minute data for KEFD

Wind History from EFD (wind in knots)
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Last 24hrSE11SE10SE12SE9SE7--SE6--SE6S7--S8S5S5CalmNW17NW14
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1 day agoSE9SE9SE13SE10S10S14S14S14--S14S9--S9SE9S8SE7SE6S7S9S11S13
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2 days ago----SE10SE10S8--SE7S8S11S9SE6SE7SE8E4SE7SE8
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Tide / Current Tables for Clear Lake, Harris Co. Park, Texas (2)
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Clear Lake
Click for Map
Mon -- 05:38 AM CST     0.24 feet Low Tide
Mon -- 06:45 AM CST     Sunrise
Mon -- 08:29 AM CST     Moonset
Mon -- 11:08 AM CST     0.69 feet High Tide
Mon -- 06:08 PM CST     -0.02 feet Low Tide
Mon -- 06:19 PM CST     Sunset
Mon -- 09:06 PM CST     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.60.60.50.40.30.20.20.30.40.50.60.70.70.60.40.30.10-000.10.30.40.5

Tide / Current Tables for Bolivar Roads, Texas Current
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Bolivar Roads
Click for Map
Mon -- 12:55 AM CST     -0.73 knots Max Ebb
Mon -- 03:32 AM CST     0.00 knots Slack
Mon -- 05:40 AM CST     0.67 knots Max Flood
Mon -- 06:44 AM CST     Sunrise
Mon -- 07:52 AM CST     -0.00 knots Slack
Mon -- 08:28 AM CST     Moonset
Mon -- 12:14 PM CST     -1.43 knots Max Ebb
Mon -- 03:45 PM CST     0.00 knots Slack
Mon -- 06:18 PM CST     Sunset
Mon -- 06:19 PM CST     1.19 knots Max Flood
Mon -- 09:05 PM CST     Moonrise
Mon -- 09:24 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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-0.6-0.7-0.6-0.20.20.60.70.4-0.1-0.6-1-1.3-1.4-1.4-1.1-0.50.20.81.21.10.70.2-0.3-0.7

Weather Map
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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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