Saturday, November28, 2020
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Marine Weather and Tides
Gulf Park Estates, MS

Version 3.4
NOTICE
8/26/2020 The 7 day forecast is taking about 5 seconds to load but it will eventually load. NOAA is still working on it.
8/18/2020 NOAA continues to have trouble. Wind guest will occasionally be left off graphs. I am working with NOAA to resolve the issue.
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 6:29AMSunset 4:54PM Friday November 27, 2020 11:07 PM CST (05:07 UTC) Moonrise 4:30PMMoonset 4:57AM Illumination 96% Phase: Waxing Gibbous; Moon at 13 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- 923 Pm Cst Fri Nov 27 2020
Rest of tonight..North winds 5 to 10 knots. Waves 1 foot or less. Dominant period 4 seconds. Showers late in the evening. Slight chance of showers after midnight.
Saturday..Northeast winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds. Patchy fog early in the morning. Chance of showers through the day.
Saturday night..Northeast winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds. Chance of showers in the evening, then showers after midnight. Patchy fog after midnight.
Sunday..East winds 10 to 15 knots becoming southwest 15 to 20 knots in the late morning and afternoon. Waves 3 to 5 feet. Dominant period 4 seconds. Patchy fog in the morning. Showers until late afternoon. Chance of Thunderstorms through the day. Showers likely late in the afternoon.
Sunday night..Northwest winds 20 to 25 knots. Waves 3 to 5 feet. Dominant period 4 seconds. Chance of showers in the evening.
Monday..Northwest winds 20 to 25 knots. Waves 3 to 5 feet. Dominant period 4 seconds.
Monday night..North winds 20 to 25 knots. Waves 3 to 5 feet. Dominant period 4 seconds.
Tuesday..North winds 15 to 20 knots easing to 5 to 10 knots in the afternoon. Waves 2 to 4 feet. Dominant period 4 seconds.
Tuesday night..Northeast winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Wednesday..East winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds.
Wednesday night..East winds 10 to 15 knots. Waves 2 to 4 feet. Dominant period 4 seconds. Chance of showers through the night.
GMZ500 Synopsis Pascagoula To Sw Pass Mississippi- Synopsis Sw Pass Mississippi River To Atchafalaya River- 923 Pm Cst Fri Nov 27 2020
Synopsis..A weak front will push south into the nearshore north gulf waters tonight and remain stationary through Saturday night. A low pressure area is expected to develop along the upper texas and southwest louisiana coast Saturday night and then move east to northeast across the central gulf coast region Sunday. The associated strong cold front will move through the region Sunday afternoon. Cold high pressure will build in its wake early next week.


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 272247 AFDLIX

Area Forecast Discussion National Weather Service New Orleans LA 447 PM CST Fri Nov 27 2020

SHORT TERM (Tonight through Monday).

The active southern branch of the jetstream over our region will have a shortwave trough moving out of central and east Texas across the lower Mississippi valley tonight. Upper level divergence (well defined in satellite imagery) ahead of this shortwave and moisture/low level wind convergence near a frontal boundary over the northern portion of the forecast area will continue to support showers and thunderstorms pushing east to southeast with a cold front this evening and at least the early overnight. One apparent brief tornado occurred in the Percy Quin State Park/McComb/Pike County Airport area around 3 pm, and cannot rule out a few more strong to possibly severe thunderstorms going into the evening hours. The progressive nature of most of the storms should limit the heavy rainfall amounts, however a few line segments could possibly briefly stall or reform in the same locations resulting in some minor flooding.

The frontal boundary should push off the coast overnight and persist over the nearshore waters into Saturday. Saturday should be a day between systems as the strong strong mid/upper low/ shortwave trough moves east across the southern high plains. Some scattered showers are expected at times mainly over western and southern areas with more isolated activity towards southern Mississippi. The shortwave trough will move east across the remainder of the southern plains and lower Mississippi valley Saturday night and Sunday with a strengthening surface low moving from the upper Texas coast northeastward across southeast Louisiana and southeast Mississippi. The same forecast concerns and impacts apply from the last few days - how much of a warm sector/front will return northward from the Gulf coastal areas and support severe thunderstorm development. The highest confidence area is in coastal areas and offshore while a more widespread heavy rainfall event is likely. Rainfall amounts through Sunday are expected to be mostly in the 2 to 4 inch range, however locally higher amounts of 5 inches or greater cannot be ruled out. It is still premature to issue a Flash Flood Watch, but that may be necessary at some point.

The strong cold front is expected to sweep through the forecast area Sunday afternoon and end the threat of thunderstorms and heavy rain from west to east by late afternoon/early evening. Much colder air with a large high pressure ridge will then build into the region Sunday night into Monday. This will cause temperatures to plunge with lows Sunday night in the 40s, highs Monday in the low to mid 50s and lows Monday night ranging from the upper 20s to lower 30s over areas along and north of the I-10/12 corridor to the mid 30s to near 40 over areas south of I-10 and Lake Pontchartrain in southeast Louisiana.

LONG TERM (Tuesday through Friday).

The large and deep mid/upper level low and trough across the eastern U.S. early Tuesday will lift northeast through the day Tuesday and Tuesday night across the northeast states and eastern Canada. The models then differ in a secondary shortwave trough/upper lows that develops in the southwest U.S. and also the northern to central plains. Tuesday and Wednesday should remain mostly dry until late Wednesday or Wednesday night when the next shortwave trough may have enough moisture return and over- running to cause a few showers to develop from the western Gulf coast to the lower Mississippi valley. Better rain chances appear to be Wednesday night through Thursday evening, but there is a lot of uncertainty on this system as the GFS is fairly weak while the ECMWF indicates heavy rainfall potential. After a slight warmup Wednesday and Thursday, another blast of colder air is likely on Friday.

AVIATION.

MVFR to VFR conditions should persist into the evening due to a combination of lower cloud decks and/or lower visibility in rain. Another round of lower clouds and some lower visibilities as well are expected tonight into Saturday morning, although there should not be as much fog, but mostly the low clouds and more precipitation around at least before midnight.

MARINE. Light onshore flow continues across all marine zones this afternoon, however a weak frontal boundary will push south into naershore waters tonight and persist into Saturday and Saturday night. Light to perhaps moderate northeast winds will develop as the front passes. A few thunderstorms along could be severe, with locally strong winds of 34 knots or greater possible along with increased waves/seas within the proximity of any storm activity.

A cold front will race east across the region late Saturday and early Sunday, bringing with it another round of severe thunderstorms. In this time frame, strong wind gusts and waterspouts will be the main threats, but will exit to the east around early/mid afternoon on Sunday. Beyond Sunday, strong winds will build in behind the front with a steady increase in waves/seas into early next week. Expect a high chance of Small Craft Advisory highlights as strong winds and wave/seas peaking to at least 7-11 feet for outer 20-60nm zones. Winds and seas subside going into mid-week with persistent NW winds steadily diminishing with time.

PRELIMINARY POINT TEMPS/POPS. MCB 61 69 58 69 / 80 20 90 90 BTR 62 69 60 71 / 80 40 90 90 ASD 62 71 59 73 / 70 30 80 90 MSY 65 70 64 73 / 60 40 80 80 GPT 64 71 61 72 / 80 30 80 90 PQL 62 73 59 74 / 70 20 70 90

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
PTBM6 - 8741003 - Petit Bois Island, MS 12 mi49 min W 9.9 G 11 68°F 1017.8 hPa
PNLM6 - 8741533 - Pascagoula NOAA Lab, MS 17 mi49 min 70°F
WYCM6 - 8747437 - Bay Waveland Yacht Club, MS 34 mi49 min N 4.1 G 5.1 71°F 67°F1017.4 hPa
DPIA1 - Dauphin Island, AL 35 mi127 min SSW 1.9 G 2.9 71°F 1017.3 hPa (+1.0)
FMOA1 - 8734673 - Fort Morgan, AL 37 mi49 min N 8 G 8.9 70°F 1017.3 hPa
MBLA1 - Middle Bay Light, AL 42 mi37 min NNW 11 68°F 1017.3 hPa
MBPA1 43 mi49 min 68°F 68°F
BSCA1 - Bon Secour, AL 49 mi97 min Calm 71°F 1017.6 hPa
MCGA1 - 8736897 - Coast Guard Sector Mobile, AL 49 mi49 min NNE 1.9 G 4.1 68°F 67°F1016.8 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 mi2.2 hrsN 06.00 miRain Fog/Mist68°F68°F100%1017.9 hPa
Moss Point - Trent Lott International Airport, MS24 mi74 minNNW 39.00 miLight Rain71°F66°F87%1018 hPa

Link to 5 minute data for KBIX

Wind History from BIX (wind in knots)
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Last 24hrCalmCalmCalmCalmCalmCalmCalmCalmCalmNE3E3SE5SE3S6S6S6S4SE5SE3E3SE5W5CalmCalm
1 day agoSW9S10S7SW4SW5SW5CalmCalmCalmCalmCalmNE4NE4NE5NE4----NE3E5E6E5NW6S3Calm
2 days agoSE8SE10SE10SE10S8S9S5S4CalmS6S10S7S7S7S9
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Tide / Current Tables for Chandeleur Light, Louisiana
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Chandeleur Light
Click for Map
Sat -- 04:51 AM CST     Moonset
Sat -- 06:31 AM CST     Sunrise
Sat -- 07:01 AM CST     -0.01 feet Low Tide
Sat -- 04:02 PM CST     Moonrise
Sat -- 04:55 PM CST     Sunset
Sat -- 08:49 PM CST     1.12 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.70.60.40.30.20.10-000.10.10.20.30.40.50.60.70.80.911.11.11.11

Tide / Current Tables for Horn Island Pass, Mississippi
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Horn Island Pass
Click for Map
Sat -- 04:49 AM CST     Moonset
Sat -- 06:29 AM CST     -0.02 feet Low Tide
Sat -- 06:30 AM CST     Sunrise
Sat -- 04:00 PM CST     Moonrise
Sat -- 04:53 PM CST     Sunset
Sat -- 08:57 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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1.10.80.60.40.20-0-000.10.20.30.50.60.70.91.11.21.41.51.61.61.61.4

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
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.