Sunday, July5, 2020
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Marine Weather and Tides
Long Beach, 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 5:58AMSunset 8:03PM Sunday July 5, 2020 9:02 PM CDT (02:02 UTC) Moonrise 8:49PMMoonset 6:16AM Illumination 100% Phase: Full Moon; Moon at 15 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- 341 Pm Cdt Sun Jul 5 2020
Tonight..Southwest winds 5 to 10 knots becoming east late in the evening, then becoming south after midnight becoming west after midnight. Waves 1 foot or less. Dominant period 4 seconds. Showers likely early in the evening. Chance of Thunderstorms through the night. Chance of showers in the late evening and overnight.
Monday..West winds 10 to 15 knots. Waves 2 to 4 feet. Dominant period 4 seconds. Showers likely in the morning. Chance of Thunderstorms through the day. Showers in the afternoon.
Monday night..West winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds. Chance of showers and slight chance of Thunderstorms.
Tuesday..West winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds. Showers likely and chance of Thunderstorms.
Tuesday night..West winds 10 to 15 knots. Waves 1 to 2 feet. Dominant period 4 seconds. Slight chance of showers through the night. Slight chance of Thunderstorms after midnight.
Wednesday..West winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds. Chance of showers in the morning. Chance of Thunderstorms through the day. Showers likely in the afternoon.
Wednesday night..West winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds. Slight chance of showers and Thunderstorms through the night.
Thursday..West winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds. Chance of showers and Thunderstorms.
Thursday night..West winds 10 to 15 knots. Waves 1 to 3 feet. Dominant period 4 seconds. Slight chance of showers and Thunderstorms after midnight.
Friday..West winds 5 to 10 knots. Waves 1 to 2 feet. Dominant period 4 seconds. Chance of showers and Thunderstorms.
Friday night..West winds 10 to 15 knots. Waves 1 to 3 feet. Dominant period 4 seconds. Slight chance of showers and Thunderstorms after midnight.
GMZ500 Synopsis Pascagoula To Sw Pass Mississippi- Synopsis Sw Pass Mississippi River To Atchafalaya River- 341 Pm Cdt Sun Jul 5 2020
Synopsis..A weak front will hold across the northern gulf region and remain in place through at least Tuesday. A weak disturbance may develop over the north central gulf and move northeast the first half of this week.


7 Day Forecast for Marine Location Near Long Beach, MS
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location: 30.32, -89.14     debug


Area Discussion for - New Orleans/Baton Rouge, LA
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FXUS64 KLIX 060057 AFDLIX

Area Forecast Discussion National Weather Service New Orleans LA 757 PM CDT Sun Jul 5 2020

UPDATE.

A stalled, low pressure system is noted from the surface up to the mid levels on radar imagery over the general area of southeast Mississippi between Pearl River and Lamar counties. The atmosphere has been pretty much worked over from all the widespread showers and thunderstorms during the daytime, so the main forecast problem will be determining how much renewed development, if any, above isolated coverage will occur overnight. Have lowered the rain chances before 1 am, then blended with the previous forecast for now which brings the PoPs back up overnight towards morning, however may consider lowering the overnight period further for the inland areas since the only area that seems primed for anything more than isolated coverage is the near coastal areas and offshore.

AVIATION.

Some MVFR category CIGS have developed at a few airports, however VFR should mostly prevail during the TAF period. SHRA/TSRA shouldn't impact the TAF airports overnight into early Monday, however higher chances return with some potential for the brief impacts down to IFR during TSRA and heavier SHRA by late morning and afternoon Monday.

22/TD

PREV DISCUSSION. /issued 345 PM CDT Sun Jul 5 2020/

SHORT TERM . Today through Wednesday, an upper level trough will cause a frontal system to continue to be in place over the area, which will enhance rain chances. This system will still be stalled through this time period. And there is plenty of moisture in the environment as evidenced by higher Precipitable Water values. As a result, there is the potential for training storms to develop, resulting in the potential for heavy rainfall. Some areas that have already received rainfall in previous days are at an increased risk of flooding. In addition to the rainfall risk, there is also a threat of gusty winds and frequent lightning with any stronger storms that develop along this front. MSW

LONG TERM . Thursday and Friday, rain chances are lessened due to the presence of a high pressure system that will be in place. Southerly surface winds will help to enhance the moisture in the environment during these days however. Consequently, some showers and storms are still possible during the afternoon hours these days, but at lesser coverage than previous days.

Saturday and Sunday, a shortwave trough is expected to move through the area. As a result, rain chances will increase, especially on Sunday. There will be plenty of moisture in the environment due to southerly surface winds, which is evidenced by higher PW values. Upper level divergence will also act to enhance lifting in the environment. Any storms that develop will likely have the potential to produce heavy rainfall, gusty winds, and frequent lightning. MSW

AVIATION . MVFR and IFR conditions are possible today with the presence of showers and thunderstorms at some area airports. These showers and storms will lower ceilings and visibilities. Some patchy fog is possible at some area airports in the early morning hours, which could lower ceilings and visibilities. MSW

MARINE . Winds will be westerly and light (<15 knots) through Monday morning. Monday morning through Friday, winds will be light (<15 knots) and southwesterly to southerly. Friday through Sunday, winds will be light (<15 knots) and westerly to southwesterly. MSW

PRELIMINARY POINT TEMPS/POPS. MCB 73 85 73 85 / 40 80 50 90 BTR 74 86 75 86 / 40 80 50 80 ASD 73 86 74 88 / 40 80 50 80 MSY 76 86 76 87 / 50 80 40 80 GPT 75 84 75 86 / 50 80 50 80 PQL 72 87 74 88 / 60 80 50 80

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 10 mi51 min SW 1 G 1.9 80°F 85°F1011.1 hPa
PNLM6 - 8741533 - Pascagoula NOAA Lab, MS 31 mi51 min 85°F
PTBM6 - 8741003 - Petit Bois Island, MS 34 mi45 min SW 5.1 G 6 83°F 1010.9 hPa
42067 - USM3M02 35 mi63 min W 7.8 G 9.7 83°F 1 ft1010.2 hPa (-0.0)
GDXM6 - Grand Bay Reserve, MS 38 mi78 min W 1.9 82°F 1012 hPa76°F
SHBL1 - 8761305 - Shell Beach, LA 42 mi45 min WSW 7 G 8.9 78°F 87°F1011.1 hPa
KATA1 - Katrina Cut, AL 49 mi63 min W 8.9 -40°F 1011.2 hPa (-0.0)

Wind History for West Pier, Port of Gulfport, MS
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Gulfport - Gulfport-Biloxi International Airport, MS7 mi70 minNNW 410.00 miFair80°F72°F76%1010.4 hPa
Keesler Air Force Base / Biloxi, MS14 mi67 minNNE 310.00 miFair79°F74°F85%1010.8 hPa
Bay St. Louis, Stennis International Airport, MS17 mi70 minN 010.00 miPartly Cloudy75°F73°F94%1010.8 hPa

Link to 5 minute data for KGPT

Wind History from GPT (wind in knots)
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Last 24hrCalmN3CalmCalmN4CalmCalmN3CalmN6N4N5N43CalmNW6SW4S665
G14
W9NW5N4Calm
1 day agoW6NW8NW7NW6NW6NW4CalmW4NW4N5N3CalmCalmN3SW5S7S6SW7CalmW7NW4N3CalmNW4
2 days agoNW3N3CalmNW3CalmNW3CalmNW3CalmN33CalmNW4N3CalmSE10S5S8S9SW10
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W10W8W6W4

Tide / Current Tables for Gulfport, Gulfport Harbor, Mississippi
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Gulfport
Click for Map
Sun -- 05:59 AM CDT     Sunrise
Sun -- 06:15 AM CDT     Moonset
Sun -- 11:18 AM CDT     2.22 feet High Tide
Sun -- 08:01 PM CDT     Sunset
Sun -- 08:48 PM CDT     Moonrise
Sun -- 09:31 PM CDT     -0.25 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.10.10.30.60.80.91.11.41.61.92.12.22.22.11.91.61.20.80.40.1-0.2-0.2-0.2-0.2

Tide / Current Tables for Cat Island (West Point), Mississippi
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Cat Island (West Point)
Click for Map
Sun -- 06:00 AM CDT     Sunrise
Sun -- 06:16 AM CDT     Moonset
Sun -- 10:42 AM CDT     2.43 feet High Tide
Sun -- 08:02 PM CDT     Sunset
Sun -- 08:48 PM CDT     Moonrise
Sun -- 10:55 PM CDT     -0.44 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.4-0.20.10.40.711.41.722.32.42.42.42.21.91.61.20.80.50.1-0.1-0.3-0.4-0.4

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 (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.