Friday, December6, 2019
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Marine Weather and Tides
DeLisle, MS

Version 3.4
NOTICE
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.
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 6:37AMSunset 4:56PM Friday December 6, 2019 3:03 PM CST (21:03 UTC) Moonrise 2:49PMMoonset 2:20AM Illumination 75% Phase: Waxing Gibbous; Moon at 10 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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GMZ532 Mississippi Sound- 935 Am Cst Fri Dec 6 2019
Rest of today..South winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds. Areas of fog. Chance of light rain.
Tonight..Southeast winds 5 to 10 knots becoming north 10 to 15 knots in the late evening. Waves less than 1 foot building to 1 to 2 feet. Dominant period 4 seconds. Areas of fog in the evening. Chance of light rain in the evening.
Saturday..North winds 10 to 15 knots. Waves 2 to 4 feet. Dominant period 4 seconds.
Saturday night..Northeast winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Sunday..East winds 10 to 15 knots becoming south 5 to 10 knots late in the afternoon. Waves 1 to 2 feet. Dominant period 4 seconds.
Sunday night..South winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Monday..South winds 10 to 15 knots. Waves 2 to 4 feet. Dominant period 4 seconds. Chance of showers.
Monday night..Southwest winds 10 to 15 knots. Waves 2 to 4 feet. Dominant period 4 seconds. Chance of showers.
Tuesday..Southwest winds 5 to 10 knots becoming north 10 to 15 knots in the afternoon. Waves 1 to 2 feet. Dominant period 4 seconds. Showers likely.
Tuesday night..North winds 15 to 20 knots. Waves 3 to 5 feet. Dominant period 4 seconds. Chance of showers.
GMZ500 Synopsis Pascagoula To Sw Pass Mississippi- Synopsis Sw Pass Mississippi River To Atchafalaya River- 935 Am Cst Fri Dec 6 2019
Synopsis..A cold front will move across the north gulf tonight. High pressure will then settle over the north central and northwest gulf coast over the weekend. Another cold front will move through the area Tuesday.


7 Day Forecast for Marine Location Near DeLisle, MS
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location: 30.36, -89.27     debug


Area Discussion for - New Orleans/Baton Rouge, LA
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FXUS64 KLIX 061828 AFDLIX

Area Forecast Discussion National Weather Service New Orleans LA 1228 PM CST Fri Dec 6 2019

UPDATE. Updated aviation section for 18z taf issuance.

PREV DISCUSSION. /issued 328 AM CST Fri Dec 6 2019/

SHORT TERM . A weak shortwave is currently racing across Oklahoma and will continue through the lower Mississippi Valley today, bring a few showers across the CWA. Coverage should be upwards of 40 to 50% but with qpf amounts mainly less than a tenth of an inch. Before the cooler air moves in with the front associated with this trough, temps should warm quite a bit today. Highs yesterday were right at to slightly above MAV guidance, so went with that same trend for today. Thus, expect highs to max out in the mid to upper 70s. The cooler air will then move in tonight into Saturday, which will bring temps down to slightly below climatological normals. Shallowness and quick speed of the shortwave means those cool temps will only last for a day before beginning to moderate. Sunday will bring a continuation of Saturday, albeit slightly warmer. Could be a few lingering showers in the coastal waters as the previous cold front stalls in the northern Gulf. Most should remain offshore but possible to have isolated showers reach coastal parishes/counties in the CWA.

LONG TERM . A much more amplified upper level trough will move into the midsection of the country Monday, before lifting northeast Wednesday. It will start out as 2 separate troughs, one coming out of Canada and another racing through the Desert Southwest. They will merge Tuesday, spanning across the entire eastern half of the country. A cold front associated with this feature will move through the forecast area Tuesday morning. Expecting showers ahead of, along, and post frontal. Event qpf amounts still look to be on the lower side, generally a quarter to half an inch. POP forecast is generally a blend of those 2 models. The rain should quickly exit Wednesday as the apex of the trough passes east of the region. The rest of the forecast period will yield no to low rain chances and temps running several degrees below normal.

MEFFER

AVIATION. Currently low VFR to MVFR conditions are at all terminals ahead of a cold front. As the cold front passes ceilings will lower down to low MVFR to IFR along with some showers. Ceilings will begin to rise after the front is out of the area but coverage will still be broken to overcast. Visibility wise, fog may be a concern for some terminals after the front passes overnight. Inland terminals could see some reductions of visibility. Biggest potential would be for near GPT as sea fog may develop and last for a few hours. This fog will begin to clear out tomorrow morning. -BL

MARINE . SE winds will remain at 10-15kt today. There is a potential that some fog will start to form later this morning and throughout the remainder of the day into tonight. The fog should stay within the nearshore waters. Areas of fog will be used for these locations but this may be spread over the lakes as well if trends show development over those areas today. A cold front moves through this evening lifting and moving the fog out of the area. Behind this front, winds will shift to northerly around 10-15kt through Saturday. Winds will become light and variable once again Sunday before abruptly becoming south Sunday night around 15-20kt. These conditions should hold into Monday night as another cold front approaches. Strong northerly winds and widespread showers will develop and remain through the day Tuesday. These conditions will be pressed south into the central gulf Wednesday, but will rapidly move back into the area for the end of next week.

DECISION SUPPORT .

DSS code: Blue. Deployed: None. Activation: None. Activities: Forecast support to City of New Orleans

PRELIMINARY POINT TEMPS/POPS. MCB 53 64 51 67 / 30 10 10 10 BTR 54 64 50 69 / 20 0 10 10 ASD 54 67 51 69 / 30 0 10 10 MSY 57 66 54 68 / 30 0 10 10 GPT 54 65 54 67 / 30 0 10 10 PQL 54 68 52 70 / 30 10 10 10

LIX WATCHES/WARNINGS/ADVISORIES. LA . None. GM . None. MS . None. GM . None.


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
WYCM6 - 8747437 - Bay Waveland Yacht Club, MS 4 mi51 min SSE 8 G 8.9 68°F 58°F1017.5 hPa
PNLM6 - 8741533 - Pascagoula NOAA Lab, MS 37 mi51 min 63°F
SHBL1 - 8761305 - Shell Beach, LA 40 mi51 min S 9.9 G 13 74°F 63°F1017.4 hPa
42067 - USM3M02 42 mi63 min S 7.8 G 9.7 68°F 2 ft1017.3 hPa (-2.0)
PTBM6 - 8741003 - Petit Bois Island, MS 42 mi57 min SSW 7 G 7 67°F 1017.8 hPa
GDXM6 - Grand Bay Reserve, MS 45 mi78 min SSE 1.9 65°F 1019 hPa62°F

Wind History for Bay Waveland Yacht Club, MS
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Bay St. Louis, Stennis International Airport, MS10 mi71 minSW 710.00 miMostly Cloudy72°F66°F83%1017.3 hPa
Gulfport - Gulfport-Biloxi International Airport, MS11 mi70 minS 410.00 miMostly Cloudy72°F60°F66%1017.4 hPa
Keesler Air Force Base / Biloxi, MS19 mi67 minSW 510.00 miOvercast71°F61°F73%1017.9 hPa

Link to 5 minute data for KHSA

Wind History from HSA (wind in knots)
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Last 24hrSE5CalmCalmCalmCalm--------------------CalmCalmCalmS5S8
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1 day ago5CalmCalmCalmCalm--------------------CalmCalm33SE6SE7SE8SE8SE9
2 days ago4SW4SW5CalmCalmCalm------------------CalmCalmCalmCalm4N6655

Tide / Current Tables for Bay St. Louis, Mississippi (2)
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Bay St. Louis
Click for Map
Fri -- 01:21 AM CST     Moonset
Fri -- 06:39 AM CST     Sunrise
Fri -- 01:48 PM CST     Moonrise
Fri -- 02:03 PM CST     0.41 feet Low Tide
Fri -- 04:56 PM CST     Sunset
Fri -- 09:50 PM CST     0.86 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.80.70.70.70.70.70.60.60.60.60.50.50.50.40.40.40.50.50.60.70.80.80.90.8

Tide / Current Tables for Gulfport, Gulfport Harbor, Mississippi
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Gulfport
Click for Map
Fri -- 01:20 AM CST     Moonset
Fri -- 01:28 AM CST     1.02 feet Low Tide
Fri -- 03:31 AM CST     1.04 feet High Tide
Fri -- 06:39 AM CST     Sunrise
Fri -- 01:20 PM CST     0.63 feet Low Tide
Fri -- 01:47 PM CST     Moonrise
Fri -- 04:55 PM CST     Sunset
Fri -- 09:49 PM CST     1.19 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.11111110.90.90.90.80.80.70.60.60.70.80.90.911.11.21.21.1

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
Wind Forecast for New Orleans/Baton Rouge, LA (16,3,4,5)
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Ground Weather Radar Station New Orleans/Baton Rouge, LA
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weather_mapweather_map weather_map

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.