Friday, April10, 2020
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Marine Weather and Tides
Pascagoula, 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 6:30AMSunset 7:20PM Friday April 10, 2020 5:11 AM CDT (10:11 UTC) Moonrise 10:31PMMoonset 8:33AM Illumination 93% Phase: Waning Gibbous; Moon at 17 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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GMZ632 Expires:202004102200;;870016 Fzus54 Kmob 100953 Cwfmob Coastal Waters Forecast National Weather Service Mobile Al 453 Am Cdt Fri Apr 10 2020 Gulf Coastal Waters Okaloosa Walton County Line To Pascagoula Out 60 Nm Seas Are Given As Significant Wave Height...which Is The Average Height Of The Highest 1/3 Of The Waves. Individual Waves May Be More Than Twice The Significant Wave Height. Winds And Seas Will Be Higher In And Around Thunderstorms. Gmz631-632-102200- Southern Mobile Bay-mississippi Sound- 453 Am Cdt Fri Apr 10 2020
.small craft advisory in effect until 1 pm cdt this afternoon...
Today..Northeast winds 15 to 20 knots with gusts to around 25 knots diminishing to 8 to 13 knots. Waves around 2 feet. Slight chance of rain in the morning.
Tonight..North winds 8 to 13 knots becoming northeast. Waves around 1 foot.
Saturday..East winds 8 to 13 knots becoming southeast 10 to 15 knots with gusts to around 20 knots. Waves 1 to 2 feet.
Saturday night..Southeast winds 10 to 15 knots increasing to 15 to 20 knots. Gusts up to 25 knots. Waves 1 to 3 feet. Chance of showers and Thunderstorms.
Sunday..South winds 18 to 23 knots increasing to 20 to 25 knots. Gusts up to 35 knots. Waves 1 to 4 feet. Chance of showers and Thunderstorms.
Sunday night..Southwest winds 20 to 25 knots becoming west 15 to 20 knots. Gusts up to 30 knots. Waves 1 to 4 feet. Showers and Thunderstorms likely in the evening, then slight chance of showers and Thunderstorms after midnight.
Monday..Northwest winds 8 to 13 knots. Waves 1 to 3 feet.
Monday night..North winds 13 to 18 knots. Waves 1 to 2 feet.
Tuesday..Northeast winds 13 to 18 knots. Waves 1 to 2 feet. Slight chance of showers.
Tuesday night..Northeast winds 13 to 18 knots. Waves 1 to 2 feet. Chance of showers.
GMZ600 Synopsis For Pascagoula Ms To Okaloosa Walton County Line Fl Out 60 Nm Including Major Area Bays And Sounds- 453 Am Cdt Fri Apr 10 2020
Synopsis..A moderate to strong offshore flow expected over the marine area this morning in the wake of a front that dropped offshore overnight. However, by this afternoon we will see a brief improvement in winds, waves and seas. Onshore flow will begin to increase on Saturday ahead of a low pressure system developing over the southern plains. Southerly flow will intensify further with near gale conditions being possible by Sunday as a strong cold front approaches from the west. Seas will also become high and dangerous. A light to moderate offshore flow will then return Monday through late Tuesday.


7 Day Forecast for Marine Location Near Pascagoula, MS
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location: 30.34, -88.53     debug


Area Discussion for - New Orleans/Baton Rouge, LA
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FXUS64 KLIX 100551 AFDLIX

Area Forecast Discussion National Weather Service New Orleans LA 1251 AM CDT Fri Apr 10 2020

UPDATE.

Updated for small areas that still have thunderstorms off Mississippi coast and remaining area with mainly light rain showers. Otherwise, most updates where for the 06z aviation grids.

AVIATION.

Period of active weather due to thunderstorms has passed, so few remaining impacts are expected with VFR conditions expected to prevail. Northerly winds will continue near 15 knots with gusts 20-25 knots at MSY and NEW through 15z today before dropping off below 10 knots. 22/TD

PREV DISCUSSION. /issued 944 PM CDT Thu Apr 9 2020/

UPDATE . Scattered thunderstorms from a line roughly from McComb to Iberville is currently looking to congeal into a line. The strongest storm is currently near Iberville Parish and EBR Parish. Steep CAPE values near 3000 J/kg and unidirectional wind profile with EBWD observed at 65 kt on KLIX 00z sounding is conducive for severe winds and hail. 700-500 mb lapse rates were also observed to be right around 6.4 C/km. Additionally these storms have had a history of producing hail. Updated the forecast to reflect the stronger confidence of thunderstorms in the short term forecast through 12z. -BL

PREV DISCUSSION . /issued 728 PM CDT Thu Apr 9 2020/

AVIATION . Biggest concerns for the terminals currently are thunderstorms with the potential of strong winds/hail to the west in eastern TX and western to central LA. Additionally, another concern for enhanced winds outside of thunderstorms due to the approaching cold front. Attempted to time out some of the storm arrivals with tempo group for BTR and MCB but otherwise went with prevailing VCTS. Could see some reductions in both visibility and ceilings starting 4z to around 12z for any nearby thunderstorms passing. Gradient winds also will be elevated right after cold frontal passage. -BL

PREV DISCUSSION . /issued 346 PM CDT Thu Apr 9 2020/

POTENTIAL FOR SIGNIFICANT SEVERE WEATHER ON SUNDAY .

SYNOPSIS .

Frontal boundary has moved south of Lake Pontchartrain and the Mississippi coast this afternoon. Somewhat drier air and some subsidence has allowed temperatures to jump behind the front. Pascagoula hit 93, Gulfport 91 and Slidell 90. With water temperatures in the mid/upper 70s, this was enough to generate lake and/or sea breezes, which then dropped temperatures back 5 degrees. No precipitation across the area this afternoon, and what low clouds there were are dissipating.

SHORT TERM .

Through Saturday night:

Boundary not likely to make much more southward progress over the next few hours while waiting for an impulse over Texas to lift northeastward. This should keep this evening dry across the area. As impulse rides northeastward, it could pull front back northward a little, with convection riding along the boundary, primarily near or after midnight. Forecast soundings (with the exception of the GFS at BTR) show at least some potential for hailers, per the marginal risk of severe weather in the SWODY1 west of Interstate 55. As the shortwave passes the area, the front will finally move well off the coast, bringing in drier and cooler air late in the night. This will bring a period of below normal temperatures and dry weather Friday through at least midday Saturday before the front lifts back to the north as a warm front. Showers will return to the area Saturday night as this happens. May have to trim lows tomorrow night depending on how much dry air actually filters into the area. 35

LONG TERM .

Sunday onward:

Southwest closed low finally kicks out Saturday night into Sunday, becoming negatively tilted over the southern plains with associated strong cyclogenesis over Oklahoma, moving into the Great Lakes by Monday morning. Won't get into too much detail on parameters as actual values will change over the next couple of days, but plenty of support for severe weather during the daytime hours on Sunday, especially near/north of the Interstate 10 and 12 corridors. Forecast will trend slower than the GFS, which is currently the fast outlier, maybe a shade slower than the ECMWF. Severe weather threat probably begins near the Atchafalaya River by mid-morning to early afternoon, and exiting the Mississippi coastal counties around sunset (give or take a couple of hours). All modes of severe weather possible, if not likely, with potential for a significant amount of severe weather. SPC currently outlooking a 30 percent threat for about the northern half of the area Sunday(Day 4), which equates to an Enhanced Risk. Wouldn't be shocked to see a Moderate Risk for portions of the area in tomorrow's Day 3 outlook for Sunday. Beyond midnight Sunday night, little or no precipitation expected through the end of the forecast period. Expect below normal temperatures for Monday through at least Wednesday, and for now, have accepted the blended data. 35

MARINE .

Small Craft Advisory conditions expected behind the front late tonight into Friday, and for now, won't mess with current headlines. As mentioned in the aviation section above, some indications that the tidal lakes and sounds could see gusts to gale briefly, but that might be convectively related. Will have mid shift continue to monitor, wouldn't be absolutely out of the question for a short fused gale. Winds relax briefly Saturday before onshore flow cranks up Saturday night. A little early for an issuance, but certainly potential for a Gale Watch Sunday if the pressure gradient gets a little tighter than expected. A Small Craft Advisory for late Saturday night through Sunday night is almost a certainty at this point. Conditions will gradually relax during the day on Monday. 35

DECISION SUPPORT .

DSS code: Blue. Deployed: None. Activation: None. Activities: Forecast support for IDSS critical locations River Flood Warnings for MS River Assessing severe weather threat for Sunday 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 50 75 66 81 / 0 30 80 100 BTR 52 77 68 83 / 0 40 60 90 ASD 52 77 67 84 / 0 30 50 80 MSY 61 78 70 85 / 0 30 40 70 GPT 54 74 68 80 / 0 20 50 70 PQL 51 76 65 83 / 0 20 50 70

LIX WATCHES/WARNINGS/ADVISORIES. LA . None. GM . Small Craft Advisory until 10 PM CDT this evening for GMZ550-552- 570-572.

Small Craft Advisory until 4 PM CDT this afternoon for GMZ532- 536-538-555-557-575-577.

Small Craft Advisory until 10 AM CDT this morning for GMZ530-534.

MS . None. GM . Small Craft Advisory until 10 PM CDT this evening for GMZ552-570- 572.

Small Craft Advisory until 4 PM CDT this afternoon for GMZ536- 538-555-557-575-577.

Small Craft Advisory until 10 AM CDT this morning for GMZ534.




Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PNLM6 - 8741533 - Pascagoula NOAA Lab, MS 3 mi59 min 74°F
GDXM6 - Grand Bay Reserve, MS 6 mi86 min N 11 65°F 1011 hPa65°F
PTBM6 - 8741003 - Petit Bois Island, MS 9 mi53 min N 19 G 23 67°F 1011.2 hPa
KATA1 - Katrina Cut, AL 18 mi71 min NNE 16 54°F 1011.5 hPa (-0.0)
42067 - USM3M02 20 mi71 min N 18 G 21 70°F 3 ft1010.8 hPa (-2.7)
CRTA1 - Cedar Point, AL 21 mi71 min N 11 66°F 1010.8 hPa
DPIA1 - Dauphin Island, AL 25 mi71 min N 18 G 20 68°F 1011.2 hPa (-0.0)
MBPA1 27 mi53 min 63°F 63°F
FMOA1 - 8734673 - Fort Morgan, AL 28 mi59 min N 19 G 21 1011.3 hPa
MBLA1 - Middle Bay Light, AL 28 mi41 min NNW 21 66°F 1011.2 hPa
MCGA1 - 8736897 - Coast Guard Sector Mobile, AL 33 mi53 min N 6 G 8 72°F 76°F1012.3 hPa
PTOA1 35 mi53 min 64°F 60°F
OBLA1 - 8737048 - Mobile State Docks, AL 36 mi53 min 64°F 71°F1012.6 hPa
BSCA1 - Bon Secour, AL 37 mi101 min N 13 67°F 1011.2 hPa
WBYA1 38 mi53 min 76°F
WKXA1 - Weeks Bay Reserve, AL 38 mi86 min 65°F 1011 hPa64°F
MHPA1 - Meaher Park, AL 39 mi41 min N 2.9 62°F 1012.9 hPa
WYCM6 - 8747437 - Bay Waveland Yacht Club, MS 42 mi59 min N 12 G 14 75°F1012.2 hPa

Wind History for Range A Rear, Port of Pascagoula, MS
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Moss Point - Trent Lott International Airport, MS8 mi18 minNNE 8 G 1910.00 miOvercast64°F59°F84%1012.7 hPa
Keesler Air Force Base / Biloxi, MS22 mi15 minNNE 610.00 miPartly Cloudy64°F59°F86%1013.1 hPa

Link to 5 minute data for KPQL

Wind History from PQL (wind in knots)
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Last 24hrW5W4W5NW86N7NW6--N86555SW4W5CalmCalmCalmCalmN9
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1 day agoSW44SW44446665
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65SW46SW533W3SW44W665W5
2 days agoCalmCalmCalmCalmS5S74S4S6S4S4S564S553SW445SW563SW4

Tide / Current Tables for Pascagoula, Mississippi Sound, Mississippi
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Pascagoula
Click for Map
Fri -- 06:32 AM CDT     Sunrise
Fri -- 08:33 AM CDT     Moonset
Fri -- 12:11 PM CDT     1.55 feet High Tide
Fri -- 07:18 PM CDT     Sunset
Fri -- 10:31 PM CDT     Moonrise
Fri -- 11:15 PM CDT     -0.33 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.100.10.30.40.60.70.91.11.31.41.51.61.51.41.310.80.50.20-0.2-0.3-0.3

Tide / Current Tables for Horn Island Pass, Mississippi
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Horn Island Pass
Click for Map
Fri -- 06:31 AM CDT     Sunrise
Fri -- 08:33 AM CDT     Moonset
Fri -- 12:20 PM CDT     1.76 feet High Tide
Fri -- 07:18 PM CDT     Sunset
Fri -- 10:31 PM CDT     Moonrise
Fri -- 11:08 PM CDT     -0.38 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.100.20.30.50.60.811.21.41.61.71.81.71.61.41.20.90.60.3-0-0.2-0.3-0.4

Weather Map
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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.
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Wind Forecast for New Orleans/Baton Rouge, LA (6,6,7,8)
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Ground Weather Radar Station Mobile, AL
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Gulf Stream Current


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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.