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Marine Weather and Tides
Version 3.4 |
3/30/2021 -- ANZ330 has been split into ANZ331 and ANZ332. Click EDIT in Marine Forecast and select your new zone. 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 7:08AM | Sunset 7:21PM | Monday September 20, 2021 12:45 AM CDT (05:45 UTC) | Moonrise 6:34PM | Moonset 5:42AM | Illumination 98% |  |
GMZ335 Galveston Bay- 919 Pm Cdt Sun Sep 19 2021
Rest of tonight..South winds 5 to 10 knots becoming southwest after midnight. Bay waters smooth becoming smooth to slightly choppy after midnight. A slight chance of showers and Thunderstorms late.
Monday..South winds around 10 knots. Bay waters smooth to slightly choppy. A slight chance of showers and Thunderstorms.
Monday night..South winds 5 to 10 knots. Bay waters smooth.
Tuesday..Southwest winds 5 to 10 knots. Bay waters smooth. A chance of showers and Thunderstorms in the afternoon.
Tuesday night..South winds 10 to 15 knots becoming north 15 to 25 knots after midnight. Bay waters slightly choppy becoming choppy after midnight. Showers and Thunderstorms likely.
Wednesday..North winds 20 to 25 knots. Bay waters choppy to rough.
Wednesday night..Northeast winds around 15 knots. Bay waters slightly choppy to choppy.
Thursday..Northeast winds 10 to 15 knots. Bay waters slightly choppy.
Thursday night..East winds around 10 knots. Bay waters smooth to slightly choppy.
Friday..Northeast winds 5 to 10 knots. Bay waters smooth.
Friday night..East winds 5 to 10 knots. Bay waters smooth.
Rest of tonight..South winds 5 to 10 knots becoming southwest after midnight. Bay waters smooth becoming smooth to slightly choppy after midnight. A slight chance of showers and Thunderstorms late.
Monday..South winds around 10 knots. Bay waters smooth to slightly choppy. A slight chance of showers and Thunderstorms.
Monday night..South winds 5 to 10 knots. Bay waters smooth.
Tuesday..Southwest winds 5 to 10 knots. Bay waters smooth. A chance of showers and Thunderstorms in the afternoon.
Tuesday night..South winds 10 to 15 knots becoming north 15 to 25 knots after midnight. Bay waters slightly choppy becoming choppy after midnight. Showers and Thunderstorms likely.
Wednesday..North winds 20 to 25 knots. Bay waters choppy to rough.
Wednesday night..Northeast winds around 15 knots. Bay waters slightly choppy to choppy.
Thursday..Northeast winds 10 to 15 knots. Bay waters slightly choppy.
Thursday night..East winds around 10 knots. Bay waters smooth to slightly choppy.
Friday..Northeast winds 5 to 10 knots. Bay waters smooth.
Friday night..East 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 919 Pm Cdt Sun Sep 19 2021
Synopsis for high island to matagorda ship channel out 60 nm.. South and southwest winds will become more prevalent tonight into Monday. A cold front that is forecast to move off the coast Tuesday night will be accompanied with some showers and isolated Thunderstorms. Moderate to strong north and northeast winds and building seas can be expected to develop in the wake of the front early Wednesday through Thursday morning. Winds and seas then gradually diminish late in the week and on into the weekend.
Synopsis for high island to matagorda ship channel out 60 nm.. South and southwest winds will become more prevalent tonight into Monday. A cold front that is forecast to move off the coast Tuesday night will be accompanied with some showers and isolated Thunderstorms. Moderate to strong north and northeast winds and building seas can be expected to develop in the wake of the front early Wednesday through Thursday morning. Winds and seas then gradually diminish late in the week and on into the weekend.
7 Day Forecast for Marine Location Near Manvel, TX
Hourly EDIT Help
location: 29.47, -95.39 debug
Area Discussion for - Houston/Galveston, TX
(on/off) Help NOTE: mouseover dotted underlined text for definitionFXUS64 KHGX 200441 AFDHGX
Area Forecast Discussion National Weather Service Houston/Galveston TX 1141 PM CDT Sun Sep 19 2021
AVIATION [06Z TAF Issuance].
Overall, mainly VFR conditions are expected to persist through the duration of the TAF period. While skies remain generally clear at the time of issuance, winds remain slightly elevated compared to last night. Model soundings and SREF probabilistic guidance continue to support the potential for patchy MVFR fog, but development will remain inhibited if winds remain elevated above initially forecast levels. Have backed off slightly in this TAF package, keeping in 6SM wording but removing mention of sub-VFR visibility overnight. Fog should lift with the introduction of daytime heating. With the dominant upper trough axis continuing to shift further northeast, precipitation coverage will continue its decreasing trend. That being said, latest hi-res guidance indicated a bit more development along the coast and as a result have included VCSH wording across the metro and southern terminals.
Cady
PREV DISCUSSION /Issued 703 PM CDT Sun Sep 19 2021/.
SHORT TERM [Through Monday Night]. Scattered precip should come to an end by early evening. With mostly clear skies and light winds, we could see some patchy fog development late tonight . mainly w/nw of the metro area. It should burn off quickly after sunrise Monday.
500mb trof axis should be situated further east tomorrow. Lower moisture availability and increased subsidence aloft will keep precip chances/coverage even lower than what we've seen today. A drier southwesterly llvl flow should allow temps to climb well into the 90s across most of the region & perhaps the upper 90s to near 100 across parts of the Brazos Valley.
Majority of inland locations will see their last night with lows in the 70s Monday night . 47
LONG TERM [Tuesday Through Sunday]. Break out the pumpkin spice as Tuesday looks to be the last in our stretch of seasonably warm and humid days as a long awaited pattern shift and first real autumn cool front moves into the area. Haven't had to make many changes with the current forecast as we see another day with highs in the mid 90s Tuesday, although increasing clouds and rain chances late in the day could make max T forecasts a bit tricky. Appears front will move into the B/CS region in the late afternoon and progress south across the rest of the area through the evening and offshore by midnight. This will be a long awaited Fall- like airmass with dew points dropping into the lower 50s up north and into the lower 60s along the coast by Wednesday afternoon. Along with clearing skies, this will dip overnight lows to the coolest of the season thus far. Lows will drop into the 50s near B/CS and into the lower 60s even near the coast.
Evans
MARINE. No significant changes to the ongoing fcst. SSW flow will become better established tonight into Monday night. May see speeds reach 15kt offshore at times tonight and again Mon night, but am not expecting much higher than that nor a significant bump in seas due to the relatively short duration. Cold front is still on target to push off the coast Tue night accompanied by some showers and thunderstorms followed by moderate, gusty n/ne winds and building seas in its wake. Anticipate SCAs Wed and perhaps Wed night into Thurs morning offshore with the cooler air moving over the warmer water. Winds and seas will gradually diminish and trend more to the east heading into late week. 47
PRELIMINARY POINT TEMPS/POPS.
College Station (CLL) 73 99 75 95 65 / 10 0 0 40 20 Houston (IAH) 74 94 75 94 69 / 20 10 0 40 50 Galveston (GLS) 79 89 81 89 73 / 20 20 10 30 60
HGX WATCHES/WARNINGS/ADVISORIES.
TX . None. GM . None.
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 |
| NCHT2 - 8770777 - Manchester, TX | 19 mi | 51 min | S 5.1 G 6 | 80°F | 82°F | 1011.5 hPa | ||
| EPTT2 - 8771013 - Eagle Point, TX | 25 mi | 51 min | S 8.9 G 12 | 82°F | 85°F | 1011.6 hPa | ||
| GRRT2 | 29 mi | 51 min | S 8 G 12 | 82°F | 84°F | 1011.7 hPa | ||
| LUIT2 | 31 mi | 51 min | SSE 8 G 13 | 82°F | 83°F | 1011.7 hPa | ||
| GTOT2 | 34 mi | 51 min | S 6 G 9.9 | 82°F | 85°F | 1011.9 hPa | ||
| GNJT2 - 8771341 - Galveston Bay (North Jetty), TX | 36 mi | 51 min | S 13 G 14 | 82°F | 84°F | 1011.2 hPa | ||
| FPST2 | 37 mi | 51 min | SSE 14 G 15 | 83°F | 83°F | 1011.1 hPa | ||
| RLOT2 - 8770971 - Rollover Pass, TX | 47 mi | 51 min | SE 2.9 G 8.9 | 81°F | 83°F | 1011.8 hPa |
Wind History for Eagle Point, TX
(wind in knots) EDIT (on/off) Help| 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 | 12 AM | |
| Last 24hr | W | W | NW | NW | W | W | NW | NW | NW | N | NW G5 | NE | NE | S | S | SE | SE | SE | S | S | S | S | S | S |
| 1 day ago | S | W | SW | W | NW | W | NW | NW | NW | NW G7 | NE G8 | NE | N G8 | E | E | NW G10 | E | SW | SW | SW | W | W | -- | S |
| 2 days ago | NW | NW | NW | W | NW | E | SE | E | SE | E | E | E | E | SE | S G7 | SW | SW | W | SW | W |
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 |
| Houston Southwest Airport, TX | 5 mi | 51 min | N 0 | 10.00 mi | Fair | 77°F | 75°F | 95% | 1012.5 hPa |
| Houston, Pearland Regional Airport, TX | 9 mi | 53 min | S 3 | 10.00 mi | Fair | 78°F | 75°F | 90% | 1012.4 hPa |
| Houston, Houston Hobby Airport, TX | 14 mi | 53 min | S 4 | 10.00 mi | Fair | 80°F | 74°F | 82% | 1012.3 hPa |
| Houston / Ellington, TX | 16 mi | 56 min | SSE 4 | 10.00 mi | A Few Clouds | 77°F | 73°F | 89% | 1012.2 hPa |
| Houston, Sugar Land Municipal / Hull Field Airport, TX | 17 mi | 53 min | S 5 | 10.00 mi | Fair | 79°F | 74°F | 85% | 1012 hPa |
| John Dunn Helistop, TX | 17 mi | 51 min | S 8 | 10.00 mi | Fair | 79°F | 73°F | 84% | 1011.8 hPa |
Link to 5 minute data for KAXH
Wind History from AXH (wind in knots)
| 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 | 12 AM | 1 AM | |
| Last 24hr | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | NW | SE | SE | E | E | E | SE | S | S | Calm | Calm | Calm | Calm | Calm |
| 1 day ago | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | NW | NW | NW | NW | NW | Calm | NE | E | E | Calm | Calm | Calm | Calm | Calm | Calm | Calm |
| 2 days ago | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | NW | NW | W | W | NW | Calm | Calm | Calm | NE | SE | S | Calm | Calm | Calm | Calm |
Tide / Current Tables for Clear Lake, Harris Co. Park, Texas
EDIT Weekend mode (on/off) (on/off) Help One Week of DataClear Lake
Click for Map
Mon -- 04:51 AM CDT 0.00 feet Low Tide
Mon -- 06:40 AM CDT Moonset
Mon -- 07:07 AM CDT Sunrise
Mon -- 11:37 AM CDT 0.80 feet High Tide
Mon -- 05:16 PM CDT 0.49 feet Low Tide
Mon -- 06:54 PM CDT Full Moon
Mon -- 07:18 PM CDT Sunset
Mon -- 07:33 PM CDT Moonrise
Mon -- 10:25 PM CDT 0.85 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Mon -- 04:51 AM CDT 0.00 feet Low Tide
Mon -- 06:40 AM CDT Moonset
Mon -- 07:07 AM CDT Sunrise
Mon -- 11:37 AM CDT 0.80 feet High Tide
Mon -- 05:16 PM CDT 0.49 feet Low Tide
Mon -- 06:54 PM CDT Full Moon
Mon -- 07:18 PM CDT Sunset
Mon -- 07:33 PM CDT Moonrise
Mon -- 10:25 PM CDT 0.85 feet High Tide
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 |
| 0.6 | 0.4 | 0.3 | 0.1 | 0 | 0 | 0.1 | 0.2 | 0.4 | 0.6 | 0.7 | 0.8 | 0.8 | 0.8 | 0.7 | 0.6 | 0.5 | 0.5 | 0.5 | 0.6 | 0.7 | 0.8 | 0.8 | 0.8 |
Tide / Current Tables for Clear Lake, Harris Co. Park, Texas (2)
EDIT (on/off) Help One Week of DataClear Lake
Click for Map
Mon -- 05:00 AM CDT 0.19 feet Low Tide
Mon -- 06:40 AM CDT Moonset
Mon -- 07:07 AM CDT Sunrise
Mon -- 11:21 AM CDT 1.00 feet High Tide
Mon -- 05:19 PM CDT 0.68 feet Low Tide
Mon -- 06:54 PM CDT Full Moon
Mon -- 07:18 PM CDT Sunset
Mon -- 07:33 PM CDT Moonrise
Mon -- 10:19 PM CDT 1.03 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Mon -- 05:00 AM CDT 0.19 feet Low Tide
Mon -- 06:40 AM CDT Moonset
Mon -- 07:07 AM CDT Sunrise
Mon -- 11:21 AM CDT 1.00 feet High Tide
Mon -- 05:19 PM CDT 0.68 feet Low Tide
Mon -- 06:54 PM CDT Full Moon
Mon -- 07:18 PM CDT Sunset
Mon -- 07:33 PM CDT Moonrise
Mon -- 10:19 PM CDT 1.03 feet High Tide
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 | 0.6 | 0.5 | 0.3 | 0.2 | 0.2 | 0.2 | 0.4 | 0.5 | 0.7 | 0.9 | 1 | 1 | 0.9 | 0.8 | 0.8 | 0.7 | 0.7 | 0.7 | 0.8 | 0.9 | 1 | 1 | 1 |
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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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