Saturday, November28, 2020
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Marine Weather and Tides
Santa Fe, TX

Version 3.4
NOTICE
8/26/2020 The 7 day forecast is taking about 5 seconds to load but it will eventually load. NOAA is still working on it.
8/18/2020 NOAA continues to have trouble. Wind guest will occasionally be left off graphs. I am working with NOAA to resolve the issue.
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
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.

Sunrise 6:53AMSunset 5:22PM Friday November 27, 2020 11:25 PM CST (05:25 UTC) Moonrise 3:57PMMoonset 4:22AM Illumination 96% Phase: Waxing Gibbous; Moon at 13 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- 945 Pm Cst Fri Nov 27 2020
Rest of tonight..Northeast winds 10 to 15 knots. Bay waters slightly choppy. Thunderstorms early in the evening. Showers. A slight chance of Thunderstorms late.
Saturday..Northeast winds 10 to 15 knots increasing to 15 to 20 knots in the afternoon. Bay waters slightly choppy becoming choppy in the afternoon. A slight chance of Thunderstorms in the morning. Showers. A chance of Thunderstorms in the afternoon.
Saturday night..Northeast winds around 15 knots becoming north after midnight. Bay waters slightly choppy to choppy becoming choppy after midnight. A chance of Thunderstorms in the evening. Showers. A slight chance of Thunderstorms after midnight.
Sunday..Northwest winds around 20 knots. Bay waters choppy. A slight chance of showers in the morning.
Sunday night..North winds around 20 knots. Bay waters choppy.
Monday..North winds 15 to 20 knots. Bay waters choppy.
Monday night..North winds 10 to 15 knots decreasing to 5 to 10 knots after midnight. Bay waters slightly choppy becoming smooth after midnight.
Tuesday..East winds 5 to 10 knots becoming southeast in the afternoon. Bay waters smooth.
Tuesday night..Southeast winds 10 to 15 knots. Bay waters slightly choppy. A chance of showers late.
Wednesday..Southeast winds 10 to 15 knots becoming east in the afternoon. Bay waters slightly choppy. A chance of showers. Isolated Thunderstorms in the late morning and afternoon.
Wednesday night..North winds 10 to 15 knots becoming northwest after midnight. Bay waters slightly choppy. A chance of showers and isolated Thunderstorms.
GMZ300 Synopsis For High Island To The Matagorda Ship Channel Out 60 Nautical Miles Including Galveston And Matagorda Bays 945 Pm Cst Fri Nov 27 2020
Synopsis for high island to matagorda ship channel out 60 nm.. A cold front will linger near the coast through Saturday with periods of unsettled weather prevailing as upper level disturbances pass overhead. A coastal low is forecast to move northeastward into the upper texas coastal waters Saturday night. As this passes, it will drag the front well offshore. Moderate to strong offshore winds and elevated seas will prevail into the early part of the week. Onshore flow will resume and increase Tuesday ahead of the next front expected toward midweek.


7 Day Forecast for Marine Location Near Santa Fe, TX
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location: 29.41, -95.11     debug


Area Discussion for - Houston/Galveston, TX
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FXUS64 KHGX 280517 AFDHGX

Area Forecast Discussion National Weather Service Houston/Galveston TX 1117 PM CST Fri Nov 27 2020

AVIATION. Aviation conditions will remain poor tonight into Saturday. A weak boundary extends across SE TX with a deep upper trough to the west and developing surface low pressure toward the middle coast. The combination of these parameters will yield high rain chances overnight and Saturday with a mix of IFR/MVFR cigs transitioning to to LIFR/IFR. No real improvement is expected on Saturday with cigs remaining low for most of the day. 43

PREV DISCUSSION. /ISSUED 340 PM CST Fri Nov 27 2020/

SHORT TERM [Through Saturday Night] . Widespread showers and thunderstorms spread across the area today with the most coverage occuring across the Brazos Valley eastward towards Lake Livingston. However, the bulk of the activity will shift south of I-10 through the late afternoon and into the evening as the slow moving boundary sags southward. There were quite a few breaks in the clouds in the early afternoon across the southern portion of the CWA which has brought up some higher instability. SPC Mesoanalysis has CAPE values south of I-10 in the 2000 to 3000 J/kg range with effective Bulk Shear around 45kts, so the potential for strong to isolated severe thunderstorms that produce strong gusty winds remain a possibility this evening. The threat of urban/small stream flooding or even some flash flooding will also occur generally south of I-10 this evening where there is the highest potential for localized heavy downpours and training storms. As we get towards the late evening, the boundary may be able to push far enough south that the heaviest rains shift offshore bringing a lull in the rainfall threat. However, that lull won't last long as a coastal low develops off the central Texas coast overnight tonight. This low, in combination with an upper level low moving in from the Four Corners region, will bring scattered showers and thunderstorms across the region beginning in the early morning hours on Saturday through Saturday night. The rainfall on Saturday will be more stratiform in nature compared to today with less intense rainfall rates, but larger coverage. There still may be some isolated storms that produce 1-2+" per hour rainfall rates, but generally the rates will be less than 1" per hour. The ground will be a bit more saturated tomorrow due to today's rainfall, so will need to take that into consideration when monitoring the radar.

A reinforcing cold front (associated with the upper level low from the Four Corners) will move through the area tomorrow night bringing an end to the rainfall, but also usher in much cooler temperatures for Sunday onward.

Fowler

LONG TERM [Sunday Through Friday] . Precip will be ending Sunday morning as this storm system begins moving out of the area and surface high pressure and colder air filters into the region. Guidance is still suggesting the potential for a light freeze across parts of the area (maybe a Wharton-The Woodlands-Liberty line) Mon night-Tue morning. Despite light winds and clear skies, wet grounds could end up being a limiting factor for some locations.

Onshore winds resume and begin increasing Tuesday as the next storm system drops southward thru the Rockies. This will allow Gulf moisture to begin flowing back into the region with PW's climbing into the 1.0-1.5" range ahead of the next cold front. Medium range models still have some differences in regards to the pattern details (timing, strength, etc) which will impact forecast rain chances and temps during the midweek time period. But in general, would anticipate a brief warming trend with chances of precip ahead of the front Wed or Thurs. 47

MARINE . A cold front will linger near the coast through Saturday with periods of unsettled weather prevailing as upper level disturbances pass overhead. A coastal low is forecast to move northeastward into the upper Texas coastal waters Saturday night. As this passes, it will drag the front well offshore. Moderate to strong offshore winds and elevated seas will then prevail into the early part of the week. Will need to monitor the potential for low water conditions in the bays late Sunday into Monday. Onshore flow will resume and increase Tuesday ahead of the next front expected toward midweek. 47

HYDROLOGY . Rivers still in pretty good shape, but will continue to monitor watersheds . mainly those situated across the southern half of southeast Tx, where conditions will be slightly more favorable for some localized training heavier rains. 47

PRELIMINARY POINT TEMPS/POPS. College Station (CLL) 58 61 44 58 39 / 30 80 70 10 0 Houston (IAH) 63 66 50 61 43 / 70 90 90 20 0 Galveston (GLS) 67 68 55 62 49 / 90 90 90 20 0

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

Discussion . 43 Aviation/Marine . 43


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
EPTT2 - 8771013 - Eagle Point, TX 11 mi56 min ENE 12 G 14 69°F 70°F
GRRT2 14 mi56 min E 11 G 14 69°F 71°F
GTOT2 18 mi56 min E 8 G 9.9 69°F 71°F
MGPT2 - 8770613 - Morgans Point, TX 20 mi56 min E 8 G 9.9 68°F 70°F
GNJT2 - 8771341 - Galveston Bay (North Jetty), TX 21 mi56 min E 12 G 14 73°F 69°F
LUIT2 23 mi56 min NE 14 G 17 68°F 70°F
NCHT2 - 8770777 - Manchester, TX 23 mi56 min E 4.1 G 7 67°F 76°F
RLOT2 - 8770971 - Rollover Pass, TX 32 mi56 min E 8.9 G 9.9 67°F 70°F
FPST2 34 mi56 min NE 17 G 18 69°F
42035 - GALVESTON 22NM East of Galveston, TX 39 mi36 min E 14 G 18 68°F 71°F1017.2 hPa67°F
HIST2 40 mi56 min ENE 5.1 G 8 67°F 70°F

Wind History for Eagle Point, TX
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Houston, Pearland Regional Airport, TX10 mi33 minE 55.00 miRain Fog/Mist68°F64°F90%1018.3 hPa
Houston / Ellington, TX15 mi36 minE 83.00 miRain68°F66°F94%1017.9 hPa
Galveston, Scholes Field, TX16 mi34 minENE 88.00 miLight Rain70°F66°F87%1018.2 hPa
Houston, Houston Hobby Airport, TX19 mi33 minESE 114.00 miRain Fog/Mist69°F66°F90%1018.2 hPa
Houston Southwest Airport, TX21 mi31 minE 85.00 miRain68°F66°F95%1017.9 hPa

Link to 5 minute data for KLVJ

Wind History from LVJ (wind in knots)
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Last 24hrSE7CalmSE6CalmCalmCalmCalmSE8S4CalmNW3CalmS5SW5SW6W6NE6NE6E5E5E6E7NE9E5
1 day agoNE3CalmNE3CalmNE4N4NE4N4NE3E9E8E6E8E9E6--E6E6E9E6E6E4SE4E3
2 days agoS5S8S10S6W4W4SW3N9N8N10N8NW8N8N9N8NE5N5N5CalmN4CalmN4CalmCalm

Tide / Current Tables for Clear Lake, Harris Co. Park, Texas
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Clear Lake
Click for Map
Sat -- 03:35 AM CST     0.49 feet Low Tide
Sat -- 05:16 AM CST     Moonset
Sat -- 06:55 AM CST     Sunrise
Sat -- 07:32 AM CST     0.62 feet High Tide
Sat -- 03:15 PM CST     -0.14 feet Low Tide
Sat -- 04:28 PM CST     Moonrise
Sat -- 05:21 PM CST     Sunset
Sat -- 10:52 PM CST     0.70 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.60.60.50.50.50.50.60.60.60.60.40.30.10-0.1-0.1-0.1-00.10.30.50.60.70.7

Tide / Current Tables for Bolivar Roads, Texas Current
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Bolivar Roads
Click for Map
Sat -- 02:13 AM CST     -0.19 knots Min Ebb
Sat -- 05:14 AM CST     Moonset
Sat -- 06:54 AM CST     Sunrise
Sat -- 08:34 AM CST     -2.02 knots Max Ebb
Sat -- 12:32 PM CST     0.00 knots Slack
Sat -- 04:06 PM CST     2.15 knots Max Flood
Sat -- 04:27 PM CST     Moonrise
Sat -- 05:20 PM CST     Sunset
Sat -- 09:51 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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-0.4-0.3-0.2-0.2-0.5-0.9-1.4-1.8-2-2-1.8-1.3-0.50.41.31.92.221.71.20.70.3-0.1-0.4

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
Ground Weather Radar Station Houston/Galveston, TX
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Gulf Stream Current



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The information on this web site has not been checked for accuracy. It is for entertainment purposes only and should be independently verified before using for any other reason. There are five sources. 1) Documents and manuals from a variety of sources. These have not been checked for accuracy and in many cases have not even been read by anyone associated with L-36.com. I have no idea of they are useful or accurate, I leave that to the reader. 2) Articles others have written and submitted. If you have questions on these, please contact the author. 3) Articles that represent my personal opinions. These are intended to promote thought and for entertainment. These are not intended to be fact, they are my opinions. 4) Small programs that generate result presented on a web page. Like any computer program, these may and in some cases do have errors. Almost all of these also make simplifying assumptions so they are not totally accurate even if there are no errors. Please verify all results. 5) Weather information is from numerous of sources and is presented automatically. It is not checked for accuracy either by anyone at L-36.com or by the source which is typically the US Government. See the NOAA web site for their disclaimer. Finally, tide and current data on this site is from 2007 and 2008 data bases, which may contain even older data. Changes in harbors due to building or dredging change tides and currents and for that reason many of the locations presented are no longer supported by newer data bases. For example, there is very little tidal current data in newer data bases so current data is likely wrong to some extent. This data is NOT FOR NAVIGATION. See the XTide disclaimer for details. In addition, tide and current are influenced by storms, river flow, and other factors beyond the ability of any predictive program.