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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 6:30AM | Sunset 7:43PM | Saturday August 17, 2019 12:15 PM CDT (17:15 UTC) | Moonrise 8:19PM | Moonset 7:17AM | Illumination 96% |  |
GMZ435 Vermilion Bay- 1030 Am Cdt Sat Aug 17 2019
Today..South winds up to 5 knots. Bay waters smooth. Chance of showers and Thunderstorms.
Tonight..South winds 5 to 10 knots. Bay waters a light chop. Slight chance of showers and Thunderstorms in the evening, then chance of showers and Thunderstorms after midnight.
Sunday..Southwest winds 5 to 10 knots. Bay waters a light chop. Chance of showers and Thunderstorms.
Sunday night..Southwest winds 5 to 10 knots. Bay waters a light chop. Slight chance of showers and Thunderstorms in the evening, then chance of showers and Thunderstorms after midnight.
Monday..Southwest winds around 5 knots. Bay waters smooth. Showers and Thunderstorms likely.
Monday night..Southwest winds around 5 knots. Bay waters smooth. Chance of showers and Thunderstorms after midnight.
Tuesday..Southwest winds up to 5 knots. Bay waters smooth. Showers and Thunderstorms likely in the morning, then chance of showers and Thunderstorms in the afternoon.
Tuesday night..Southwest winds around 5 knots. Bay waters smooth. Slight chance of showers and Thunderstorms in the evening, then chance of showers and Thunderstorms after midnight.
Wednesday..West winds around 5 knots. Bay waters smooth. Chance of showers and Thunderstorms.
Wednesday night..Southwest winds up to 5 knots. Bay waters smooth.
Today..South winds up to 5 knots. Bay waters smooth. Chance of showers and Thunderstorms.
Tonight..South winds 5 to 10 knots. Bay waters a light chop. Slight chance of showers and Thunderstorms in the evening, then chance of showers and Thunderstorms after midnight.
Sunday..Southwest winds 5 to 10 knots. Bay waters a light chop. Chance of showers and Thunderstorms.
Sunday night..Southwest winds 5 to 10 knots. Bay waters a light chop. Slight chance of showers and Thunderstorms in the evening, then chance of showers and Thunderstorms after midnight.
Monday..Southwest winds around 5 knots. Bay waters smooth. Showers and Thunderstorms likely.
Monday night..Southwest winds around 5 knots. Bay waters smooth. Chance of showers and Thunderstorms after midnight.
Tuesday..Southwest winds up to 5 knots. Bay waters smooth. Showers and Thunderstorms likely in the morning, then chance of showers and Thunderstorms in the afternoon.
Tuesday night..Southwest winds around 5 knots. Bay waters smooth. Slight chance of showers and Thunderstorms in the evening, then chance of showers and Thunderstorms after midnight.
Wednesday..West winds around 5 knots. Bay waters smooth. Chance of showers and Thunderstorms.
Wednesday night..Southwest winds up to 5 knots. Bay waters smooth.
GMZ400 Synopsis For Lower Atchafalaya River La To High Island Tx Out 60 Nm Including Sabine And Calcasieu Lakes And Vermilion Bay 1030 Am Cdt Sat Aug 17 2019
Synopsis.. Current pattern looks to hold for the range of the forecast as light to moderate onshore flow is maintained. Deep moisture will lead to near nightly and daily chances of isolated to scattered showers and Thunderstorms in the lakes and coastal waters. Highest precipitation chances will coincide with the timing of upper level impulses impacting the region.
Synopsis.. Current pattern looks to hold for the range of the forecast as light to moderate onshore flow is maintained. Deep moisture will lead to near nightly and daily chances of isolated to scattered showers and Thunderstorms in the lakes and coastal waters. Highest precipitation chances will coincide with the timing of upper level impulses impacting the region.
7 Day Forecast for Marine Location Near Berwick, LA
Hourly EDIT Helplocation: 29.74, -91.23 debug
Area Discussion for - Lake Charles, LA
(on/off) Help NOTE: mouseover dotted underlined text for definition| Fxus64 klch 171154 afdlch area forecast discussion national weather service lake charles la 654 am cdt Sat aug 17 2019 Discussion 17 12z TAF issuance. Aviation Vfr conditions areawide this morning although some patchy fog has reduced vsbys at aex over the past hour or so. Klch radar shows widely sctd -shra acrs coastal areas with activity dissipating rather quickly as it moves inland. Convection expected to become more sctd over inland areas as daytime heating gets underway over the next few hours, with activity persisting and spreading northward through the day. Inserted tempo groups for southern terminals as shra tsra should be a little more widespread through early mid aftn as it moves north. Outside of convection,VFR expected to prevail, with southerly winds less than 10 kt. Showers and storms should dissipate around or shortly after sunset. 24 Prev discussion issued 407 am cdt Sat aug 17 2019 discussion... Another warm and muggy night across the forecast area. Satellite imagery showing some patchy and eroding mid-level cloudiness left over from evening convection over the inland area. Radar depicting an uptick in nocturnals over the near coastal waters and immediate coast. Moisture profiles across the area showing significant moisture in place from the surface to 700 hpa with weak capping aloft. An active sea breeze and easily attained convective temperatures |
suggest scattered diurnal thunderstorm development on the horizon. This includes the weekend and well into the coming week as the pattern remains persistent. Hot and humid days, and warm and muggy nights will continue. Have held back on a heat advisory for today with the forecast numbers falling slightly short of advisory criteria. If forecast temps or dewpoints are underdone by just a degree or two, criteria would be reached and day crew will accordingly issue advisory. Marine... A ridge of high pressure extending across the gulf of mexico will maintain a light and occasional moderate onshore flow through the weekend and well into the new week. A daily chance for showers and a few thunderstorms will continue, primarily developing after midnight and continuing through the morning hours. Rain chances will be highest over the eastern gulf waters of the forecast area. 23 Preliminary point temps pops Aex 95 75 94 75 30 10 40 10 lch 92 79 92 78 50 20 40 20 lft 92 76 92 76 60 30 60 20 bpt 92 80 91 79 40 10 30 10 Lch watches warnings advisories La... None. Tx... None. Gm... None. Aviation... 24 |
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 |
| TESL1 - Tesoro Marine Terminal - 8764044 - Berwick, LA | 5 mi | 46 min | NNW 4.1 G 5.1 | 85°F | 86°F | 1015 hPa | ||
| AMRL1 - 8764227 - Amerada Pass, LA | 21 mi | 46 min | WNW 1.9 G 2.9 | 92°F | 86°F | 1015 hPa | ||
| EINL1 | 27 mi | 46 min | S 5.1 G 7 | 85°F | 86°F | 1015 hPa | 79°F | |
| BYGL1 - 8762482 - Bayou Gauche, LA | 43 mi | 52 min | NE 1.9 G 4.1 | 89°F | 87°F | 1015.2 hPa |
Wind History for Tesoro Marine Terminal, LA
(wind in knots) EDIT (on/off) Help| 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 | 10 AM | 11 AM | |
| Last 24hr | SW G8 | W | W | N | NE | S | S | NE G21 | S G7 | NW | SW | SW | SW | NW | NE | NE | -- | NE | S G6 | SE | S | SW | W G5 | NW |
| 1 day ago | NE G5 | S | S | S | E G10 | SW | W G9 | W | -- | NE G6 | NE | N | NE | NE | NE | S | NE | W | W | N | NW | E | SW | S |
| 2 days ago | NE G22 | SW G15 | SW | SW | W | W G5 | E | NE | NW | N | E | E | NW | SW | SE | NW | NW | NW | NW | N | NE | NE | NE |
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 |
| Patterson Memorial, LA | 5 mi | 20 min | NNW 5 | 10.00 mi | Fair | 88°F | 78°F | 73% | 1015.2 hPa |
Link to 5 minute data for KPTN
Wind History from PTN (wind in knots)
| 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 | 10 AM | 11 AM | 12 PM | |
| Last 24hr | N | N | N | Calm | Calm | NW | SW | SE | NW | SW | S | Calm | Calm | Calm | Calm | Calm | NE | Calm | Calm | Calm | SW | NW | NW | NW |
| 1 day ago | Calm | Calm | SW | SW | NE | SW | NW | Calm | NE | NE | Calm | Calm | Calm | Calm | Calm | Calm | SW | Calm | N | NE | E | Calm | Calm | |
| 2 days ago | S | SW G20 | SW | W | Calm | Calm | Calm | N | NE | E | Calm | W | SE | Calm | Calm | NW | N | Calm | Calm | NE | N | Calm | Calm | Calm |
Tide / Current Tables for Shell Island, Louisiana
EDIT Weekend mode (on/off) (on/off) Help One Week of DataShell Island
Click for Map
Sat -- 06:34 AM CDT Sunrise
Sat -- 08:07 AM CDT 1.43 feet High Tide
Sat -- 08:18 AM CDT Moonset
Sat -- 11:32 AM CDT 1.06 feet Low Tide
Sat -- 06:15 PM CDT 1.33 feet High Tide
Sat -- 07:43 PM CDT Sunset
Sat -- 09:18 PM CDT Moonrise
Sat -- 11:32 PM CDT 0.30 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Sat -- 06:34 AM CDT Sunrise
Sat -- 08:07 AM CDT 1.43 feet High Tide
Sat -- 08:18 AM CDT Moonset
Sat -- 11:32 AM CDT 1.06 feet Low Tide
Sat -- 06:15 PM CDT 1.33 feet High Tide
Sat -- 07:43 PM CDT Sunset
Sat -- 09:18 PM CDT Moonrise
Sat -- 11:32 PM CDT 0.30 feet Low 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 |
| 0.2 | 0.3 | 0.4 | 0.6 | 0.9 | 1.1 | 1.3 | 1.4 | 1.4 | 1.4 | 1.2 | 1.1 | 1.1 | 1.1 | 1.1 | 1.2 | 1.3 | 1.3 | 1.3 | 1.3 | 1.1 | 0.8 | 0.5 | 0.3 |
Tide / Current Tables for Point Chevreuil, Louisiana
EDIT (on/off) Help One Week of DataPoint Chevreuil
Click for Map
Sat -- 06:35 AM CDT Sunrise
Sat -- 08:15 AM CDT 1.43 feet High Tide
Sat -- 08:19 AM CDT Moonset
Sat -- 11:17 AM CDT 1.06 feet Low Tide
Sat -- 06:23 PM CDT 1.33 feet High Tide
Sat -- 07:44 PM CDT Sunset
Sat -- 09:19 PM CDT Moonrise
Sat -- 11:17 PM CDT 0.30 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Sat -- 06:35 AM CDT Sunrise
Sat -- 08:15 AM CDT 1.43 feet High Tide
Sat -- 08:19 AM CDT Moonset
Sat -- 11:17 AM CDT 1.06 feet Low Tide
Sat -- 06:23 PM CDT 1.33 feet High Tide
Sat -- 07:44 PM CDT Sunset
Sat -- 09:19 PM CDT Moonrise
Sat -- 11:17 PM CDT 0.30 feet Low 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 |
| 0.2 | 0.3 | 0.5 | 0.6 | 0.9 | 1.1 | 1.3 | 1.4 | 1.4 | 1.4 | 1.2 | 1.1 | 1.1 | 1.1 | 1.1 | 1.2 | 1.3 | 1.3 | 1.3 | 1.3 | 1.1 | 0.8 | 0.5 | 0.3 |
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 Lake Charles, LA (13,3,4,5)
(on/off) Help
Ground Weather Radar Station New Orleans/Baton Rouge, LA
(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. |