Friday, January24, 2020
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Marine Weather and Tides
Pass Christian, MS

Version 3.4
NOTICE
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
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.

Sunrise 6:49AMSunset 5:26PM Friday January 24, 2020 9:08 PM CST (03:08 UTC) Moonrise 7:48AMMoonset 6:21PM Illumination 0% Phase: New Moon; Moon at 29 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- 329 Pm Cst Fri Jan 24 2020
Tonight..Northwest winds 10 to 15 knots. Waves 2 to 4 feet. Dominant period 4 seconds.
Saturday..North winds 10 to 15 knots becoming west 5 to 10 knots in the afternoon. Waves 1 to 2 feet. Dominant period 4 seconds.
Saturday night..Southwest winds near 5 knots becoming east after midnight. Waves less than 1 foot. Dominant period 4 seconds. Chance of showers after midnight.
Sunday..Southeast winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds. Showers likely.
Sunday night..East winds 5 to 10 knots becoming north after midnight. Waves 1 to 2 feet. Dominant period 4 seconds. Chance of showers.
Monday..North winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Monday night..Northeast winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Tuesday..East winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Tuesday night..Northeast winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds. Chance of showers.
Wednesday..North winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds. Slight chance of showers through the day.
Wednesday night..North 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- 329 Pm Cst Fri Jan 24 2020
Synopsis..High pressure will settle over the area tonight and Saturday before moving east Sunday. A low pressure system will move across the coastal waters Sunday. Another low pressure system is expected to affect the coastal waters late Tuesday into Wednesday morning.


7 Day Forecast for Marine Location Near Pass Christian, MS
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location: 30.22, -89.11     debug


Area Discussion for - New Orleans/Baton Rouge, LA
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FXUS64 KLIX 242214 AFDLIX

Area Forecast Discussion National Weather Service New Orleans LA 414 PM CST Fri Jan 24 2020

SHORT TERM (Tonight through Monday).

A broad area of surface high pressure will move east and settle over the central Gulf coast region later tonight into Saturday before moving east Saturday night into Sunday. The clear/sunny skies that we were greeted with today are expected to persist through midday Saturday before a gradual increase in clouds Saturday afternoon and evening. This increase in clouds will also bring a return of showers starting mostly after midnight Saturday night and especially on Sunday as a potent shortwave trough moves across the lower Mississippi valley. An associated surface low pressure area will move across the north central Gulf Sunday afternoon and Sunday night, so any thunderstorms should remain well offshore. The clouds and rain will likely keep the highs in mid to upper 50s to around 60 on Sunday. Drier, but not cooler air will return Sunday night into Monday with partly sunny skies and mild high temperatures in low to mid 60s on Monday.

LONG TERM (Tuesday through Friday).

The next shortwave trough and an associated surface low pressure system will move through Tuesday afternoon through early Wednesday. The 12z GFS moves a surface low closer to the coast while the ECMWF moves a low further offshore like the Sunday system. Fairly widespread showers are expected with isolated thunderstorms possible in mainly coastal and offshore areas depending on the track of the surface low. High pressure is expected to stay better established farther north for just fringe affects over the forecast area Thursday, with warm frontogenesis taking place in the west Gulf Thursday night. This will bring the next period of unsettled weather as southern branch becomes activated with a series of impulses traversing the area late in the week.

AVIATION.

Generally SKC and excellent VSBY are expected to prevail through Saturday. West to northwest winds will gust into the 15 to 20 knots range at times through about 23z at a few airports, otherwise winds will be mostly around 10 knots or less through tonight and lighter on Saturday.

MARINE.

Some modest cold air advection will continue to aid in thermal mixing for moderate winds tonight across the coastal waters, especially the eastern waters. Northwest to north winds are expected to be around 15 knots with gusts to 20 knots at times. These winds and associated higher seas will subside Saturday as the surface high pressure area settles over the central Gulf coast region. Higher winds are expected once again Saturday night in western waters and across the marine area on Sunday as a developing low pressure system over the northwest Gulf moves east. This whole process plays out again Tuesday night into early Wednesday with another low pressure system that is expected to move west to east across the north Gulf or coastal areas.

DECISION SUPPORT.

DSS code: Blue. Deployed: None. Activation: None. Activities: Forecast support for Stennis Space Center. River Flood Warnings Decision Support Services (DSS) Code Legend Green = No weather impacts that require action. Blue = Long-fused watch, warning, or advisory in effect or high visibility event; Marginal risk severe or excessive rain. Yellow = Heightened impacts with short-fused watch, warning or advisory issuances; radar support for slight risk severe or excessive rain. Orange = High Impacts; Enhanced risk severe; nearby tropical events; HazMat or other large episodes. Red = Full engagement for Moderate to high risk of severe and/or excessive rainfall, or direct tropical threats; Events of National Significance.

PRELIMINARY POINT TEMPS/POPS. MCB 38 59 45 56 / 0 0 50 60 BTR 38 61 48 58 / 0 0 60 70 ASD 38 61 46 58 / 0 0 40 60 MSY 44 60 50 60 / 0 0 50 70 GPT 40 58 46 57 / 0 0 30 70 PQL 38 61 43 59 / 0 0 10 70

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

22/TD


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
WYCM6 - 8747437 - Bay Waveland Yacht Club, MS 14 mi50 min WNW 7 G 8 55°F 54°F1019.5 hPa
42067 - USM3M02 30 mi68 min W 16 G 19 59°F 3 ft1018.6 hPa (+2.0)
PNLM6 - 8741533 - Pascagoula NOAA Lab, MS 31 mi56 min 54°F
PTBM6 - 8741003 - Petit Bois Island, MS 32 mi56 min W 15 G 18
GDXM6 - Grand Bay Reserve, MS 38 mi83 min WNW 4.1 54°F 1020 hPa45°F
SHBL1 - 8761305 - Shell Beach, LA 38 mi56 min W 5.1 G 6 55°F 56°F1019.8 hPa
KATA1 - Katrina Cut, AL 48 mi68 min W 13 56°F 1019.3 hPa (+2.0)

Wind History for Gulfport Outer Range, MS
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Gulfport - Gulfport-Biloxi International Airport, MS13 mi75 minW 410.00 miFair49°F37°F64%1018.9 hPa
Keesler Air Force Base / Biloxi, MS18 mi72 minN 010.00 miFair50°F39°F67%1019.3 hPa
Bay St. Louis, Stennis International Airport, MS21 mi78 minN 010.00 miFair43°F41°F93%1019.3 hPa

Link to 5 minute data for KGPT

Wind History from GPT (wind in knots)
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Last 24hrCalmCalmCalmNW3NW3NW4NW9NW11NW12N12NW12NW10NW7NW9NW12
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1 day agoE6E3E5E6E5NE5N5N4NE4NE4CalmE6E11E10E7E16E19
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SE13E12SE7SE6SE6CalmCalm
2 days agoNE75NE6NE6NE7N4CalmCalmN4NE7E7NE6NE4NE64NE74S6SE6E6E4E7E8NE5

Tide / Current Tables for Cat Island (West Point), Mississippi
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Cat Island (West Point)
Click for Map
Fri -- 06:47 AM CST     Moonrise
Fri -- 06:51 AM CST     Sunrise
Fri -- 09:16 AM CST     -0.83 feet Low Tide
Fri -- 03:44 PM CST     New Moon
Fri -- 05:21 PM CST     Moonset
Fri -- 05:26 PM CST     Sunset
Fri -- 09:56 PM CST     1.60 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.31.10.70.40.1-0.2-0.5-0.7-0.8-0.8-0.8-0.7-0.6-0.4-0.200.30.60.91.21.41.61.61.6

Tide / Current Tables for Ship Island Pass, Mississippi
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Ship Island Pass
Click for Map
Fri -- 06:47 AM CST     Moonrise
Fri -- 06:50 AM CST     Sunrise
Fri -- 08:39 AM CST     -0.84 feet Low Tide
Fri -- 03:44 PM CST     New Moon
Fri -- 05:20 PM CST     Moonset
Fri -- 05:25 PM CST     Sunset
Fri -- 09:58 PM CST     1.61 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.310.70.3-0-0.3-0.6-0.7-0.8-0.8-0.8-0.7-0.5-0.3-0.10.10.40.711.21.41.61.61.6

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 (22,6,7,8)
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Ground Weather Radar Station Mobile, AL
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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 numerous 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.