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Marine Weather and Tides
Version 3.4 |
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. 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 6:42AM | Sunset 7:05PM | Monday September 16, 2019 11:52 PM CDT (04:52 UTC) | Moonrise 8:45PM | Moonset 8:43AM | Illumination 91% |  |
GMZ534 Lake Borgne- 1049 Pm Cdt Mon Sep 16 2019
Rest of tonight..Southeast winds near 5 knots. Waves 1 foot or less. Dominant period 4 seconds. Slight chance of showers and Thunderstorms.
Tuesday..East winds 5 to 10 knots becoming southeast in the afternoon. Waves 1 foot or less. Dominant period 4 seconds. Slight chance of showers and Thunderstorms.
Tuesday night..West winds 5 to 10 knots becoming northwest after midnight. Waves 1 foot or less. Dominant period 4 seconds.
Wednesday..North winds near 5 knots becoming northeast late in the morning, then becoming south in the afternoon. Waves less than 1 foot. Dominant period 4 seconds.
Wednesday night..Northwest winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds.
Thursday..Northeast winds near 5 knots becoming east 10 to 15 knots in the late morning and afternoon. Waves less than 1 foot. Dominant period 4 seconds. Waves or seas building to 1 to 2 feet. Dominant period 4 seconds in the afternoon. Chance of showers and Thunderstorms.
Thursday night..East winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds. Chance of showers and Thunderstorms.
Friday..East winds 10 to 15 knots. Waves 2 to 4 feet. Dominant period 4 seconds. Slight chance of showers and Thunderstorms through the day.
Friday night..East winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Saturday..East winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds. Slight chance of showers and Thunderstorms.
Saturday night..Southeast winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Rest of tonight..Southeast winds near 5 knots. Waves 1 foot or less. Dominant period 4 seconds. Slight chance of showers and Thunderstorms.
Tuesday..East winds 5 to 10 knots becoming southeast in the afternoon. Waves 1 foot or less. Dominant period 4 seconds. Slight chance of showers and Thunderstorms.
Tuesday night..West winds 5 to 10 knots becoming northwest after midnight. Waves 1 foot or less. Dominant period 4 seconds.
Wednesday..North winds near 5 knots becoming northeast late in the morning, then becoming south in the afternoon. Waves less than 1 foot. Dominant period 4 seconds.
Wednesday night..Northwest winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds.
Thursday..Northeast winds near 5 knots becoming east 10 to 15 knots in the late morning and afternoon. Waves less than 1 foot. Dominant period 4 seconds. Waves or seas building to 1 to 2 feet. Dominant period 4 seconds in the afternoon. Chance of showers and Thunderstorms.
Thursday night..East winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds. Chance of showers and Thunderstorms.
Friday..East winds 10 to 15 knots. Waves 2 to 4 feet. Dominant period 4 seconds. Slight chance of showers and Thunderstorms through the day.
Friday night..East winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Saturday..East winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds. Slight chance of showers and Thunderstorms.
Saturday night..Southeast winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
GMZ500 Synopsis Pascagoula To Sw Pass Mississippi- Synopsis Sw Pass Mississippi River To Atchafalaya River- 1049 Pm Cdt Mon Sep 16 2019
Synopsis..High pressure will begin to build into the north central gulf today and remain through the week.
Synopsis..High pressure will begin to build into the north central gulf today and remain through the week.
7 Day Forecast for Marine Location Near Pearlington, MS
Hourly EDIT Helplocation: 30.14, -89.48 debug
Area Discussion for - New Orleans/Baton Rouge, LA
(on/off) Help NOTE: mouseover dotted underlined text for definition| Fxus64 klix 162127 afdlix area forecast discussion national weather service new orleans la 427 pm cdt Mon sep 16 2019 Discussion A upper level low is in the northern gulf of mexico just southeast of the texas coast, along with high pressure building north of mississippi valley. Tropical moisture from the low has been feeding showers and thunderstorms that have been for the most part offshore with some bands extending inland. This convection should die off tonight. A similar looking story is in store for tomorrow as the moisture pushes even further inland. Heavy rainfall could be possible with some of these storms near the coast. High temperatures are a bit above normal due to subsidence from the high pressure associated with the ridge further eastward. Looking towards Thursday into Friday, a trough from the northwest states will sweep the low hanging near texas along with it as well as push the ridge eastward. It looks possible that a weak frontal boundary could push into our area on Sunday. -bl Aviation Vfr conditions can be expected through Tuesday evening. However, scattered showers and a few thunderstorms will bring a threat near kmsy, khum, knew and possibly through kbtr through 23z this afternoon. Some storms may produce gusty, erratic surface winds in excess of 25 to 30 knots. Look for most of this activity to diminish late this afternoon and evening withVFR conditions prevailing through the overnight hours tonight. 18 Marine |
A tropical disturbance off the northern gulf of mexico will produce some showers and thunderstorms as it moves westward. Current small craft exercise caution criteria winds will slowly decrease today into tonight and stay light until around late Thursday into Friday where the next chance of a small craft advisory is possible. -bl Decision support Dss code: blue. Deployed: none. Activation: none. Activities: marginal risk for excessive rainfall SE la. Preliminary point temps pops Mcb 71 93 72 94 10 10 10 10 btr 74 93 73 93 10 30 10 20 asd 73 94 72 94 10 20 10 10 msy 79 93 78 93 20 30 10 10 gpt 75 91 74 90 20 10 0 10 pql 73 93 73 93 20 20 0 10 Lix watches warnings advisories La... None. Gm... None. Ms... 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 |
| WYCM6 - 8747437 - Bay Waveland Yacht Club, MS | 15 mi | 58 min | S 1.9 G 2.9 | 83°F | 85°F | 1016.2 hPa | ||
| SHBL1 - 8761305 - Shell Beach, LA | 21 mi | 58 min | ESE 2.9 G 4.1 | 81°F | 86°F | 1016 hPa | ||
| NWCL1 - 8761927 - New Canal, LA | 34 mi | 58 min | Calm G 1.9 | 81°F | 86°F | 1015 hPa | ||
| CARL1 | 38 mi | 52 min | 86°F |
Wind History for Bay Waveland Yacht Club, MS
(wind in knots) EDIT (on/off) Help| 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 | |
| Last 24hr | NE | NE | N | N | N G12 | NE | NE | NE | NE | E | SE G16 | SE | SE G17 | E | SE | SE | SE | SE | SE | S | S | S | SE | S |
| 1 day ago | NW | NW | N | NE | NE | NE | NE | NE G14 | NE | NE G16 | NE | E G15 | E G14 | E G14 | SE G17 | SE G17 | SE | SE G16 | SE | SE G13 | SE | SE | SE | SE |
| 2 days ago | NE | NE | NE | NE | NE | NE | E | E G15 | SE | E | SE G15 | SE | SE | SE | SE G8 | SE | SE | NE | NW |
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 |
| Bay St. Louis, Stennis International Airport, MS | 16 mi | 3 hrs | N 0 | 10.00 mi | Fair | 79°F | 75°F | 89% | 1015.2 hPa |
| Slidell, Slidell Airport, LA | 23 mi | 2 hrs | N 0 | 10.00 mi | Fair | 78°F | 73°F | 87% | 1015.7 hPa |
Link to 5 minute data for KHSA
Wind History from HSA (wind in knots)
| 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 | 1 PM | 2 PM | 3 PM | 4 PM | 5 PM | 6 PM | 7 PM | 8 PM | 9 PM | |
| Last 24hr | NE | E | SE | SE | E | SE | SE | SE | SE | Calm | Calm | |||||||||||||
| 1 day ago | NE | NE G12 | NE G14 | E | E | E G14 | SE | SE | SE | S | Calm | Calm | ||||||||||||
| 2 days ago | NE | E | E | E G15 | E | E | E | SE | SE | SE | Calm |
Tide / Current Tables for Long Point, Lake Borgne, Louisiana
EDIT Weekend mode (on/off) (on/off) Help One Week of DataLong Point
Click for Map
Tue -- 03:02 AM CDT 0.87 feet High Tide
Tue -- 06:43 AM CDT Sunrise
Tue -- 09:37 AM CDT Moonset
Tue -- 11:34 AM CDT 0.57 feet Low Tide
Tue -- 07:01 PM CDT Sunset
Tue -- 09:17 PM CDT Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Tue -- 03:02 AM CDT 0.87 feet High Tide
Tue -- 06:43 AM CDT Sunrise
Tue -- 09:37 AM CDT Moonset
Tue -- 11:34 AM CDT 0.57 feet Low Tide
Tue -- 07:01 PM CDT Sunset
Tue -- 09:17 PM CDT Moonrise
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 | 0.8 | 0.9 | 0.9 | 0.9 | 0.8 | 0.8 | 0.7 | 0.7 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.7 | 0.7 | 0.7 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.9 |
Tide / Current Tables for Bay St. Louis, Mississippi
EDIT (on/off) Help One Week of DataBay St. Louis
Click for Map
Tue -- 01:41 AM CDT 1.35 feet High Tide
Tue -- 06:42 AM CDT Sunrise
Tue -- 09:36 AM CDT Moonset
Tue -- 11:53 AM CDT 0.96 feet Low Tide
Tue -- 07:00 PM CDT Sunset
Tue -- 09:16 PM CDT Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Tue -- 01:41 AM CDT 1.35 feet High Tide
Tue -- 06:42 AM CDT Sunrise
Tue -- 09:36 AM CDT Moonset
Tue -- 11:53 AM CDT 0.96 feet Low Tide
Tue -- 07:00 PM CDT Sunset
Tue -- 09:16 PM CDT Moonrise
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 |
| 1.3 | 1.3 | 1.3 | 1.3 | 1.3 | 1.3 | 1.2 | 1.1 | 1.1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1.1 | 1.1 | 1.2 | 1.2 | 1.3 | 1.3 | 1.4 | 1.4 |
Weather Map
(on/off) Help Weather Map
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
Wind Forecast for New Orleans/Baton Rouge, LA (0,6,7,8)
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Ground Weather Radar Station New Orleans/Baton Rouge, LA
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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. |