Monday, July13, 2020
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Marine Weather and Tides
Gulf Shores, AL

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 5:57AMSunset 7:57PM Monday July 13, 2020 7:27 PM CDT (00:27 UTC) Moonrise 12:50AMMoonset 1:40PM Illumination 39% Phase: Third Quarter Moon; Moon at 23 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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GMZ650 Coastal Waters From Pensacola Fl To Pascagoula Ms Out 20 Nm- Coastal Waters From Okaloosa Walton County Line Fl To Pensacola Fl Out 20 Nm- 404 Pm Cdt Mon Jul 13 2020
Tonight..Southwest winds 10 to 15 knots becoming west 8 to 13 knots. Seas 1 to 2 feet. Dominant wave period 6 seconds. Slight chance of showers and Thunderstorms in the evening.
Tuesday..West winds 8 to 13 knots becoming southwest. Seas 1 to 2 feet. Dominant wave period 5 seconds. Slight chance of showers and Thunderstorms.
Tuesday night..Southwest winds 8 to 13 knots. Seas 1 to 2 feet. Dominant wave period 4 seconds.
Wednesday..West winds 8 to 13 knots becoming southwest. Seas 1 to 2 feet. Dominant wave period 4 seconds. Slight chance of showers and Thunderstorms.
Wednesday night..Southwest winds 8 to 13 knots becoming west. Seas 1 to 2 feet. Dominant wave period 4 seconds.
Thursday..Northwest winds 5 to 10 knots becoming southwest 3 to 8 knots. Seas around 1 foot. Dominant wave period 5 seconds. Slight chance of showers and Thunderstorms.
Thursday night..West winds 3 to 8 knots. Seas around 1 foot. Dominant wave period 5 seconds.
Friday..East winds 8 to 13 knots. Seas around 1 foot. Dominant wave period 6 seconds. Slight chance of showers and Thunderstorms.
Friday night..Southeast winds 8 to 13 knots. Seas around 1 foot. Dominant wave period 5 seconds.
Saturday..East winds 8 to 13 knots. Seas around 1 foot. Dominant wave period 5 seconds. Slight chance of showers and Thunderstorms.
Saturday night..Southeast winds 8 to 13 knots. Seas 1 to 2 feet. Dominant wave period 5 seconds.
GMZ600 Synopsis For Pascagoula Ms To Okaloosa Walton County Line Fl Out 60 Nm Including Major Area Bays And Sounds- 404 Pm Cdt Mon Jul 13 2020
Synopsis..A light to occasionally moderate southwesterly flow prevails through Thursday then switches to an east to southeast flow on Friday. Isolated to potentially scattered showers and storms will be possible through the period mainly near the coast.


7 Day Forecast for Marine Location Near Gulf Shores, AL
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location: 30.24, -87.69     debug


Area Discussion for - Mobile/Pensacola, FL
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FXUS64 KMOB 132342 AFDMOB

Area Forecast Discussion National Weather Service Mobile AL 642 PM CDT Mon Jul 13 2020

AVIATION (14/00Z Issuance). Isolated thunderstorms currently drifting south across the coastal counties of Alabama and the western Florida panhandle will gradually diminish in intensity and coverage over the next few hours. By 14/02Z expect most of the activity to have dissipated. Before the storms dissipate, a few could produce strong, erratic wind gusts and locally low CIGS/VIS (down to IFR in some isolated locations). Outside of convection and then through the overnight hours, VFR conditions and light winds are expected to prevail(except for perhaps right along the coast where some MVFR to locally IFR cigs could develop late tonight into early Tuesday morning). /12

PREV DISCUSSION. /issued 309 PM CDT Mon Jul 13 2020/

NEAR TERM UPDATE /Now Through Tuesday/ . An upper trof over the eastern states finally moves off into the western Atlantic through Tuesday. In response, an upper ridge centered along the Mexico/U.S. border into the western Gulf expands eastward across the southeastern states. A series of shortwaves continue to move across the area through the period along the periphery of this upper ridge. Weak and variable surface winds are expected across the area with the exception being southwesterly winds developing near the coast during afternoon and evening hours driven by a weak sea breeze circulation. A light northerly surface flow prevails tonight then again becomes southerly near the coast on Tuesday with daytime heating. Abundant dry air above 750 mb today results in wet bulb zero values near 10-11 kft. Similar values will be present over the eastern portion of the area on Tuesday while further to the west will see improving mid-level moisture. The mid-level dry air, in combination with moderate instability and a moist boundary layer characterized by PWATs around 1.5 to 1.8 inches, could support some wet microburst potential in stronger storms each afternoon. As expected, DCAPE values exceed 1200 J/kg across much of the area today (per latest mesoanalysis) and will do so again on Tuesday. Considering this, cannot rule out the potential for some strong to locally damaging wind gusts with stronger storms. Maintained a slight chance to chance PoP each day given the added support of the aforementioned passing upper shortwaves, with the potential for higher coverage occurring along the weak sea breeze that develops each afternoon.

The Heat Advisory currently in effect for portions of interior southeast Mississippi, extreme southwest Alabama, and the western Florida panhandle continues through this evening. Lows tonight mostly range from the mid 70s inland to the upper 70s at the coast. Highs on Tuesday remain in the mid 90s, and another heat advisory will likely be required for the southern portion of the area. A low risk of rip currents is expected through Tuesday. /29/49

SHORT TERM /Tuesday night Through Thursday night/ . An upper trough over the east coast will lift out as an upper ridge over the plains slowly noses east. However, a small piece of the trough gets left behind and cuts off as a weak upper low over the area on Tuesday night. It will drift southward through Thursday as the upper ridge expands eastward with resultant upper level northerly flow. The end result will be continued hot and humid conditions with scattered showers and thunderstorms each day. Showers and thunderstorms will start near the coast in the morning, developing inland through the day. Coverage will be most numerous during peak heating before decreasing during the evening hours as the boundary layer cools.

Afternoon highs will top out in the mid to low 90s yet again on Wednesday and Thursday. The heat index will generally range from 102-107 across much of the area with a few spots near the coast and in the river delta rising to near 108. Overnight lows continue to sound like a broken record, as usual this time of year, with temperatures only falling into the mid to low 70s inland with upper 70s to near 80 at the beaches on both nights. /13

EXTENDED TERM /Friday Through Monday/ . Northeast to east mid level flow prevails through the extended term period, but becoming more predominately easterly toward the end of the period as a mid level high pressure ridge becomes entrenched across the eastern portion of the country but to the north of our forecast area. Meanwhile, weak high pressure at the sfc will maintain a weak flow pattern. The winds will primarily be diurnally-driven with the daily sea/land breeze cycle and afternoon heating through the period. Daily thunderstorm chances continue to hover around 40-50 percent throughout the period as weak disturbances embedded within the easterly flow aloft pass over the area and act on a moist and moderately unstable boundary layer. The coverage of showers and storms will be focused along the sea breeze near the coast each late morning into early afternoon and then farther inland during the late afternoon and early evening hours. Daytime temperatures will continue to hover in the mid 90s inland and low 90s along the coast, with heat indices remaining in the 100 to 107 degree range. Lows will continue to be in the mid 70s over the interior and in the upper 70s near and along the coast each night. /13

MARINE . No impacts are forecast except winds and waves higher near showers and storms. /29

MOB WATCHES/WARNINGS/ADVISORIES. AL . Heat Advisory until 7 PM CDT this evening for ALZ261>266.

Heat Advisory from 10 AM to 7 PM CDT Tuesday for ALZ261>266.

FL . Heat Advisory until 7 PM CDT this evening for FLZ201>206.

Heat Advisory from 10 AM to 7 PM CDT Tuesday for FLZ201>206.

MS . Heat Advisory until 7 PM CDT this evening for MSZ075-076-078-079.

Heat Advisory from 10 AM to 7 PM CDT Tuesday for MSZ075-076-078- 079.

GM . None.

This product is also available on the web at: http://weather.gov/mob


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PPTA1 8 mi57 min 85°F 1013.5 hPa
BSCA1 - Bon Secour, AL 10 mi87 min SW 12 86°F 1012.9 hPa (-0.3)
42012 - Orange Beach AL Buoy 14 mi37 min SW 7.8 G 9.7 85°F 2 ft1013.2 hPa81°F
WBYA1 14 mi57 min 91°F
WKXA1 - Weeks Bay Reserve, AL 14 mi102 min 87°F 1012 hPa80°F
DPIA1 - Dauphin Island, AL 20 mi147 min SW 9.9 G 12 86°F 1012.3 hPa (-1.1)
MBLA1 - Middle Bay Light, AL 22 mi57 min NNW 5.1 83°F 1012.5 hPa
CRTA1 - Cedar Point, AL 24 mi57 min NNW 12 83°F 1012.5 hPa
KATA1 - Katrina Cut, AL 28 mi87 min WSW 9.9 -33°F 1012.2 hPa (-1.4)
PCLF1 - 8729840 - Pensacola, FL 28 mi57 min 88°F
MHPA1 - Meaher Park, AL 32 mi87 min SW 13 83°F 1012.9 hPa (+0.3)
MCGA1 - 8736897 - Coast Guard Sector Mobile, AL 34 mi57 min 85°F
OBLA1 - 8737048 - Mobile State Docks, AL 37 mi57 min 86°F
GDXM6 - Grand Bay Reserve, MS 40 mi102 min Calm 84°F 1013 hPa74°F
PNLM6 - 8741533 - Pascagoula NOAA Lab, MS 47 mi57 min 85°F
42067 - USM3M02 49 mi87 min SW 14 G 16 85°F 2 ft1011.9 hPa

Wind History for Fort Morgan, AL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Jack Edwards Airport, AL4 mi52 minS 610.00 miPartly Cloudy0°F0°F%1012.9 hPa
Sonny Callahan Airport, AL18 mi52 minN 010.00 miMostly Cloudy0°F0°F%1012.5 hPa
Pensacola Naval Air Station, FL21 mi91 minSW 910.00 miMostly Cloudy87°F80°F80%1012.9 hPa

Link to 5 minute data for KJKA

Wind History from JKA (wind in knots)
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1 day agoCalmCalmCalmCalmCalmW3CalmW4CalmCalmCalmCalmW9W3CalmS4SW4SW10
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2 days agoW7W5SW4SW4W3CalmNW5N5CalmCalmNW3NW3N4NW5NW6
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Tide / Current Tables for Bon Secour, Bon Secour River, Alabama
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Bon Secour
Click for Map
Mon -- 12:49 AM CDT     Moonrise
Mon -- 05:58 AM CDT     Sunrise
Mon -- 07:31 AM CDT     1.13 feet High Tide
Mon -- 01:39 PM CDT     Moonset
Mon -- 07:07 PM CDT     0.66 feet Low Tide
Mon -- 07:54 PM CDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.70.70.80.911.11.11.11.11.1110.90.80.80.70.70.70.70.70.70.70.70.7

Tide / Current Tables for Mobile Bay Entrance, Alabama Current
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Mobile Bay Entrance
Click for Map
Mon -- 12:51 AM CDT     Moonrise
Mon -- 01:37 AM CDT     0.00 knots Slack
Mon -- 05:47 AM CDT     0.32 knots Max Flood
Mon -- 06:00 AM CDT     Sunrise
Mon -- 09:55 AM CDT     -0.00 knots Slack
Mon -- 01:41 PM CDT     Moonset
Mon -- 02:25 PM CDT     -0.32 knots Max Ebb
Mon -- 07:55 PM CDT     Sunset
Mon -- 08:18 PM CDT     0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.2-0.100.20.20.30.30.30.20.1-0-0.1-0.2-0.3-0.3-0.3-0.3-0.2-0.2-0.1-00.10.10.2

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 Mobile/Pensacola, FL (20,4,5,8)
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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.