Thursday, January23, 2020
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Marine Weather and Tides
Gulf Park Estates, 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 6:48AMSunset 5:23PM Thursday January 23, 2020 8:59 PM CST (02:59 UTC) Moonrise 6:56AMMoonset 5:23PM Illumination 1% Phase: Waning Crescent; 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- 304 Pm Cst Thu Jan 23 2020
Tonight..Southeast winds 10 to 15 knots becoming southwest late in the evening, then becoming northwest after midnight. Waves 2 to 4 feet. Dominant period 4 seconds. Chance of showers in the evening.
Friday..West winds 10 to 15 knots. Waves 2 to 4 feet. Dominant period 4 seconds.
Friday night..Northwest winds 10 to 15 knots. Waves 2 to 4 feet. Dominant period 4 seconds.
Saturday..Northwest winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Saturday night..Northwest winds 5 to 10 knots becoming northeast in the late evening. Waves 1 foot or less. Dominant period 4 seconds. Chance of showers after midnight.
Sunday..East winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds. Showers likely.
Sunday night..Northeast winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds. Chance of showers.
Monday..Northeast winds 10 to 15 knots becoming southeast 5 to 10 knots late in the afternoon. Waves 1 to 2 feet.
Monday night..East winds 5 to 10 knots. Waves 1 foot or less.
Tuesday..Southeast winds 10 to 15 knots. Waves 1 to 2 feet. Slight chance of showers in the afternoon.
Tuesday night..South winds 10 to 15 knots becoming west after midnight. Waves 1 to 2 feet. Chance of showers.
GMZ500 Synopsis Pascagoula To Sw Pass Mississippi- Synopsis Sw Pass Mississippi River To Atchafalaya River- 304 Pm Cst Thu Jan 23 2020
Synopsis..A low pressure system will continue to push through the region tonight. High pressure will build in tomorrow and remain in place through Saturday. Another low pressure will then impact the waters Sunday into Sunday night. High pressure will follow this low on Monday, but another low pressure system should affect the region Tuesday into Tuesday night.


7 Day Forecast for Marine Location Near Gulf Park Estates, MS
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location: 30.15, -88.72     debug


Area Discussion for - New Orleans/Baton Rouge, LA
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FXUS64 KLIX 232205 AFDLIX

Area Forecast Discussion National Weather Service New Orleans LA 405 PM CST Thu Jan 23 2020

SHORT TERM. A dry slot and strong negative vorticity advection have taken hold of the forecast area this afternoon and this trend will continue into the evening hours. This has allowed for cloud cover to scatter out over the southwest portion of the CWA and temperatures have spiked into the upper 60s in this area. The remainder of the forecast area will see continued mostly cloudy conditions into the evening hours.

Heading into the overnight hours, lingering low level moisture combined with a weak elevated inversion should keep skies mostly cloudy through daybreak tomorrow. This inversion is being driven by weak cold air advection in the wake of the departing low pressure system. Temperatures should dip into the 40s due to this weak cold air advection.

A largely zonal flow pattern will then set up across the Gulf South tomorrow and remain in place through Saturday night. A fairly strong surface high will dominate the region tomorrow into the first half of Saturday. A dry and stable airmass can be expected, and skies will remain clear through this period. Temperatures should be near average both Friday and Saturday with highs climbing into the lower 60s and lows in the upper 30s and lower 40s.

Conditions will rapidly deteriorate Saturday afternoon into Saturday night as a fast moving shortwave feature begins to push into the region. Although this upper level system is on the weaker side, a decent Gulf low is expected to develop in a region of enhanced baroclincity across the western Gulf of Mexico. Pacific based moisture will stream across Mexico and Texas and begin to bring increasing cloud cover to the region Saturday afternoon and evening. Moisture should gradually build down through the evening hours, and expect to see scattered light rain showers in place by daybreak on Sunday.

LONG TERM. A progressive weather pattern will persist through the end of next week with a series of southern stream shortwave troughs pushing through the Gulf South. The initial system that will bring rain to the area by early Sunday morning will continue to pass through during the day on Sunday and have likely to categorical POP values in place through the day. The rainfall and cloud cover should suppress temperatures and have highs in the middle 50s across the area. Rainfall should gradually come to an end Sunday night as the trough axis pushes to the east and an increasingly subsident airmass builds in from the west.

A shortwave ridge axis will then build into the area on Monday and remain place through early Tuesday. Weak surface ridging will also build in on Monday and remain in place through Monday night. Temperatures will be largely near average with highs in the low to middle 60s and lows in the 40s. Skies may not completely clear due to some lingering low level moisture, but a dry forecast is in place for Monday and Monday night.

The next upper level trough and associated surface low will pass over the area Tuesday afternoon into Wednesday. Models are good agreement that the surface low associated with this trough will sweep directly over the forecast area. As a result, the risk of thunderstorms remain low with this system. Expect to see scattered showers develop by Tuesday afternoon and linger into Tuesday night as the surface low pulls through the area. A dry slot should punch into the area on the back side of the passing trough axis on Wednesday, and this will lead to clearing skies and decreasing rain chances through the day. Weak ridging should build in Wednesday night and expect to see a period of mostly clear skies into Thursday morning.

AVIATION. A mix of MVFR and IFR ceilings are expected to redevelop tonight and linger through 12-14z tomorrow. Strong boundary layer mixing will lead to rapidly clearing skies and VFR conditions after 14z.

MARINE. Weak cold air advection tonight into tomorrow will result in a period of northwest winds of 15 to 20 knots and seas of 3 to 6 feet. High pressure will settle over the area by Saturday and winds will turn lighter and more variable. Another developing low pressure system in the Gulf will bring a period of stronger easterly flow to the region Sunday into Sunday night. Expect to see winds of 15 to 20 knots and seas of 3 to 6 feet return. High pressure will then settle back in on Monday with lighter winds and calmer seas expected through Tuesday.

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 43 60 38 59 / 20 0 0 0 BTR 44 61 38 62 / 0 0 0 0 ASD 46 61 37 61 / 20 0 0 0 MSY 49 61 45 60 / 0 0 0 0 GPT 46 60 41 58 / 40 0 0 0 PQL 48 61 37 61 / 50 0 0 0

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
42067 - USM3M02 10 mi60 min E 5.8 G 7.8 61°F 4 ft1013.9 hPa (+0.7)
PTBM6 - 8741003 - Petit Bois Island, MS 12 mi66 min NNE 8.9 G 9.9 55°F 1014.6 hPa
PNLM6 - 8741533 - Pascagoula NOAA Lab, MS 17 mi66 min 54°F
GDXM6 - Grand Bay Reserve, MS 21 mi75 min NE 2.9 53°F 1016 hPa53°F
KATA1 - Katrina Cut, AL 28 mi90 min ENE 7 54°F 1014.6 hPa
CRTA1 - Cedar Point, AL 33 mi90 min NE 1.9 55°F 1014.6 hPa
WYCM6 - 8747437 - Bay Waveland Yacht Club, MS 34 mi66 min SE 2.9 G 6 55°F 52°F1014.3 hPa
DPIA1 - Dauphin Island, AL 35 mi60 min WNW 1.9 G 4.1 56°F 1014.7 hPa (+0.8)
FMOA1 - 8734673 - Fort Morgan, AL 37 mi66 min SSE 8.9 G 9.9 62°F 1014.4 hPa
MBPA1 43 mi66 min 56°F 56°F
MCGA1 - 8736897 - Coast Guard Sector Mobile, AL 49 mi66 min NNW 1.9 G 5.1 63°F 53°F1015.4 hPa

Wind History for Petit Bois Island, Port of Pascagoula, MS
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Keesler Air Force Base / Biloxi, MS22 mi2.1 hrsESE 810.00 miMostly Cloudy57°F55°F95%1013.9 hPa
Moss Point - Trent Lott International Airport, MS24 mi67 minN 08.00 miA Few Clouds55°F53°F93%1014.7 hPa

Link to 5 minute data for KBIX

Wind History from BIX (wind in knots)
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Last 24hrE8E7E6E4E3E4E6NE5NE5NE5E4E4E5E8E6E6SE10SE13
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E7SE8SE7E3SE8Calm
1 day agoNE6NE7NE7NE7NE9NE7NE5N3NE4N5NE8NE6E7E6NE7E4E6E5S3SE4SE6E7E4E7
2 days agoN4N6N6N7N7NW5N7N11N10N9N10
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Tide / Current Tables for Horn Island, Mississippi Sound, Mississippi
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.


Tide / Current Tables for Chandeleur Light, Louisiana
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Chandeleur Light
Click for Map
Thu -- 05:56 AM CST     Moonrise
Thu -- 06:50 AM CST     Sunrise
Thu -- 08:04 AM CST     -0.63 feet Low Tide
Thu -- 04:24 PM CST     Moonset
Thu -- 05:24 PM CST     Sunset
Thu -- 09:15 PM CST     1.16 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.80.50.30-0.2-0.4-0.5-0.6-0.6-0.6-0.5-0.4-0.3-0.100.20.40.60.811.11.21.11.1

Weather Map
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wmap_A
GEOS Local Image of Southeast    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 (21,6,7,8)
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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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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.