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Marine Weather and Tides
Version 3.4 |
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports. 6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen |
| Sunrise 7:06AM | Sunset 7:57PM | Monday August 26, 2019 4:58 AM CDT (09:58 UTC) | Moonrise 1:53AM | Moonset 3:58PM | Illumination 18% |  |
GMZ130 Laguna Madre From The Port Of Brownsville To The Arroyo Colorado- Laguna Madre From The Arroyo Colorado To 5 Nm North Of Port Mansfield Tx- Laguna Madre From 5 Nm North Of Port Mansfield To Baffin Bay Tx- 350 Am Cdt Mon Aug 26 2019
.small craft advisory for winds in effect from 1 pm cdt this afternoon through this evening...
Today..South winds 10 to 15 knots becoming southeast around 20 knots in the afternoon. A moderate chop on the bay building to choppy in the afternoon.
Tonight..Southeast winds 15 to 20 knots becoming south 10 to 15 knots after midnight. Choppy on the bay subsiding to a moderate chop after midnight.
Tuesday..Southeast winds 10 to 15 knots. A moderate chop on the bay.
Tuesday night..Southeast winds 10 to 15 knots. A moderate chop on the bay.
Wednesday..Southeast winds 10 to 15 knots. A moderate chop on the bay.
Wednesday night..Southeast winds 10 to 15 knots. A moderate chop on the bay.
Thursday..Southeast winds 5 to 10 knots becoming east 10 to 15 knots in the afternoon. A light chop on the bay building to a moderate chop in the afternoon.
Thursday night..Southeast winds 10 to 15 knots diminishing to 5 to 10 knots after midnight. A moderate chop on the bay subsiding to a light chop after midnight.
Friday..East winds 5 to 10 knots. A light chop on the bay.
Friday night..East winds 5 to 10 knots. A light chop on the bay. Slight chance of showers and Thunderstorms.
.small craft advisory for winds in effect from 1 pm cdt this afternoon through this evening...
Today..South winds 10 to 15 knots becoming southeast around 20 knots in the afternoon. A moderate chop on the bay building to choppy in the afternoon.
Tonight..Southeast winds 15 to 20 knots becoming south 10 to 15 knots after midnight. Choppy on the bay subsiding to a moderate chop after midnight.
Tuesday..Southeast winds 10 to 15 knots. A moderate chop on the bay.
Tuesday night..Southeast winds 10 to 15 knots. A moderate chop on the bay.
Wednesday..Southeast winds 10 to 15 knots. A moderate chop on the bay.
Wednesday night..Southeast winds 10 to 15 knots. A moderate chop on the bay.
Thursday..Southeast winds 5 to 10 knots becoming east 10 to 15 knots in the afternoon. A light chop on the bay building to a moderate chop in the afternoon.
Thursday night..Southeast winds 10 to 15 knots diminishing to 5 to 10 knots after midnight. A moderate chop on the bay subsiding to a light chop after midnight.
Friday..East winds 5 to 10 knots. A light chop on the bay.
Friday night..East winds 5 to 10 knots. A light chop on the bay. Slight chance of showers and Thunderstorms.
GMZ100 Synopsis For Baffin Bay To Rio Grande Out 60 Nm- 350 Am Cdt Mon Aug 26 2019
Synopsis..High pressure across the eastern gulf combined with a thermal trough of low pressure from west texas will maintain moderate to locally strong southeast winds and moderate seas through Tuesday. More favorable marine conditions develop by Wednesday as high pressure moves into the western gulf.
Synopsis..High pressure across the eastern gulf combined with a thermal trough of low pressure from west texas will maintain moderate to locally strong southeast winds and moderate seas through Tuesday. More favorable marine conditions develop by Wednesday as high pressure moves into the western gulf.
7 Day Forecast for Marine Location Near Port Isabel, TX
Hourly EDIT Helplocation: 26.06, -97.22 debug
Area Discussion for - Brownsville, TX
(on/off) Help NOTE: mouseover dotted underlined text for definition| Fxus64 kbro 260936 afdbro area forecast discussion national weather service brownsville tx 436 am cdt Mon aug 26 2019 .Short term (now through Tuesday): mid level ridging will build into texas through the period. Drier air aloft will keep rain chances low through Tuesday. Hot and humid conditions are expected today and Tuesday with afternoon high temperatures ranging from the low to mid 90s near the coast and 100 to 105 degrees inland. Surface dew points mainly in the mid to upper 70s, will support heat indices exceeding 110 degrees for much of the area, especially across the coastal counties. Therefore, a heat advisory is in effect for portions of the CWA this afternoon. Another heat advisory will likely be needed for tomorrow with elevated dewpoints continuing. High pressure across the eastern gulf combined with a thermal trough of low pressure across west texas will support breezy southeast winds along the coast this afternoon. Low temperatures tonight are expected to be in the upper 70s to the lower 80s. .Long term (Tuesday night through Sunday): 500 mb high pressure dominating through a majority of the forecast period will allow only a couple of bouts of isolated convection for the adjacent gulf of mexico waters early in the period. However, as the mid- level ridge of high pressure eases slightly and inverted 500 mb troughs slip into the western gulf of mexico, isolated showers and thunderstorms will be possible for the entire bro cwfa Friday night through Sunday. Above normal temperatures will also occur throughout the entire forecast period. .Marine (now through Tuesday): high pressure across the eastern gulf combined with a thermal trough of low pressure across west texas |
will support moderate to strong southeast winds and moderate seas. A small craft advisory is in effect for the laguna madre from 1 pm until 8 pm today due to strong winds. Small craft exercise caution on the gulf waters today due to elevated winds. The gradient is expected to weaken on Tuesday. Tuesday night through Sunday: light to moderate winds and low to moderate seas are anticipated during the period as high pressure dominates over the western gulf of mexico. Small craft exercise caution and small craft advisory are not likely to be needed. Preliminary point temps pops Bayview port isabel 96 82 95 81 10 0 10 0 brownsville 100 81 98 81 10 0 10 0 harlingen 101 81 100 79 10 0 10 0 mcallen 103 81 102 81 10 0 0 0 rio grande city 104 81 103 80 0 0 0 0 south padre island 91 83 90 82 10 0 10 0 Bro watches warnings advisories Tx... Heat advisory from 1 pm this afternoon to 7 pm cdt this evening for txz251-253>257-351-353. Gm... Small craft advisory for winds from 1 pm this afternoon to 8 pm cdt this evening for gmz130-132-135. This product is also available on the web at: http: weather.Gov rgv short term... Caceres-63 long term... Tomaselli-66 upper air... Brady-62 |
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 |
| PTIT2 - 8779770 - Port Isabel, TX | 0 mi | 59 min | SSE 9.9 G 12 | 84°F | 83°F | 1008.5 hPa (-0.5) | ||
| BZST2 | 3 mi | 59 min | S 7 G 9.9 | 81°F | 78°F | 1007.9 hPa (-0.5) | ||
| PCGT2 - 8779748 - South Padre Island CGS, TX | 3 mi | 59 min | S 8.9 G 11 | 83°F | 1008.8 hPa (-0.6) | |||
| RLIT2 | 14 mi | 59 min | SSE 9.9 G 12 | 86°F | 85°F | 1007.7 hPa (-0.6) | ||
| PMNT2 | 36 mi | 59 min | 82°F | 87°F | 1008.3 hPa (-0.7) |
Wind History for Port Isabel, TX
(wind in knots) EDIT (on/off) Help| 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 | 2 AM | 3 AM | 4 AM | |
| Last 24hr | SE | S | S | SE | S G11 | S G13 | SE | SE G21 | SE | SE G22 | SE G23 | SE G22 | SE G20 | SE | SE G17 | SE G13 | SE | S G11 | SE | S G16 | SE G19 | S G17 | S G15 | S |
| 1 day ago | SW | SE | S | S G6 | S | S G10 | S G13 | SE G14 | SE G19 | SE G17 | SE G19 | SE G17 | SE G19 | SE | SE G19 | SE | S | S | S | SE | SE | SE | SE | SE |
| 2 days ago | S | SE G7 | SE | SE | S | S G7 | E G12 | SE | E | E | SE G16 | E G19 | SE G20 | SE G20 | SE | SE G16 | SE | SE G15 | SE G16 | SE G16 | SE | SE | SE G12 | S |
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 |
| Port Isabel, Port Isabel-Cameron County Airport, TX | 9 mi | 3.1 hrs | S 10 | 9.00 mi | Fair | 83°F | 78°F | 85% | 1008.3 hPa |
| Brownsville, Brownsville / South Padre Island International Airport, TX | 16 mi | 3.1 hrs | SSE 11 | 10.00 mi | Fair | 84°F | 82°F | 94% | 1008.5 hPa |
Link to 5 minute data for KSPL
Wind History from SPL (wind in knots)
| 11 PM | -12 PM | 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 | |
| Last 24hr | SE | S | S | S | S | S | S | W | SW | S | SW | SW | SW | N | E | NE | NE | E | E | E | E | E | E | Calm |
| 1 day ago | S | S | S | SW | NW | N | N | N | E | NE | E | E | SE | NW | S | S | S | Calm | Calm | SE | SE | SE | SE | SE |
| 2 days ago | SE | SE | SE | SE | S | S | S | SW | NW | NW | SW | SW | S | SW G21 | SW G18 | S | S | S | S | S | SW | SW | S | S |
Tide / Current Tables for Port Isabel, Texas
EDIT Weekend mode (on/off) (on/off) Help One Week of DataPort Isabel
Click for Map
Mon -- 02:52 AM CDT Moonrise
Mon -- 04:36 AM CDT 1.57 feet High Tide
Mon -- 07:06 AM CDT Sunrise
Mon -- 04:57 PM CDT Moonset
Mon -- 07:01 PM CDT -0.22 feet Low Tide
Mon -- 07:54 PM CDT Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Mon -- 02:52 AM CDT Moonrise
Mon -- 04:36 AM CDT 1.57 feet High Tide
Mon -- 07:06 AM CDT Sunrise
Mon -- 04:57 PM CDT Moonset
Mon -- 07:01 PM CDT -0.22 feet Low Tide
Mon -- 07:54 PM CDT 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 |
| 1.1 | 1.3 | 1.4 | 1.5 | 1.6 | 1.6 | 1.5 | 1.5 | 1.4 | 1.4 | 1.3 | 1.2 | 1.1 | 0.9 | 0.7 | 0.4 | 0.2 | -0 | -0.2 | -0.2 | -0.2 | -0 | 0.2 | 0.5 |
Tide / Current Tables for Matamoros, Tamaulipas, Mexico
EDIT (on/off) Help One Week of DataMatamoros
Click for Map
Mon -- 02:54 AM CDT Moonrise
Mon -- 03:46 AM CDT 2.02 feet High Tide
Mon -- 07:07 AM CDT Sunrise
Mon -- 04:58 PM CDT Moonset
Mon -- 06:52 PM CDT 0.22 feet Low Tide
Mon -- 07:55 PM CDT Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Mon -- 02:54 AM CDT Moonrise
Mon -- 03:46 AM CDT 2.02 feet High Tide
Mon -- 07:07 AM CDT Sunrise
Mon -- 04:58 PM CDT Moonset
Mon -- 06:52 PM CDT 0.22 feet Low Tide
Mon -- 07:55 PM CDT 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 |
| 1.6 | 1.8 | 1.9 | 2 | 2 | 2 | 1.9 | 1.9 | 1.8 | 1.8 | 1.7 | 1.6 | 1.5 | 1.3 | 1.1 | 0.9 | 0.6 | 0.4 | 0.3 | 0.2 | 0.3 | 0.5 | 0.7 | 1 |
Weather Map and Satellite Images
(on/off) HelpWeather Map
GOES 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
Wind Forecast for Brownsville, TX (5,6,7,8)
(on/off) Help
Ground Weather Radar Station Brownsville, TX
(on/off) Help
Gulf Stream Current
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Disclaimer: 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 numerious 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. |