Tuesday, August21, 2018 L-36.com


Marine Weather and Tides
Gulf Shores, AL

Version 3.4
What's New / NOTES
7/21/2018 Trying to make page Mobile Friendly

Sunrise 6:21AMSunset 7:27PM Tuesday August 21, 2018 9:04 PM CDT (02:04 UTC) Moonrise 4:18PMMoonset 2:08AM Illumination 81% Phase: Waxing Gibbous; Moon at 11 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- 411 Pm Cdt Tue Aug 21 2018
.small craft should exercise caution this evening...
Tonight..Southwest winds 13 to 18 knots becoming northwest 8 to 13 knots. Seas around 2 feet. Dominant wave period 4 seconds. Chance of showers and Thunderstorms in the evening, then slight chance of showers and Thunderstorms after midnight.
Wednesday..Northwest winds 8 to 13 knots becoming west. Seas 1 to 2 feet. Dominant wave period 4 seconds. Slight chance of showers and Thunderstorms in the morning.
Wednesday night..West winds 8 to 13 knots becoming north. Seas around 1 foot. Dominant wave period 4 seconds.
Thursday..Northeast winds 8 to 13 knots becoming southwest 3 to 8 knots. Seas around 1 foot. Dominant wave period 5 seconds.
Thursday night..West winds 3 to 8 knots becoming northeast 5 to 10 knots. Seas around 1 foot. Dominant wave period 5 seconds.
Friday..East winds 5 to 10 knots becoming southeast 3 to 8 knots. Seas around 1 foot. Dominant wave period 4 seconds.
Friday night..Southeast winds 5 to 10 knots. Seas 1 to 2 feet. Dominant wave period 3 seconds.
Saturday..Southeast winds 5 to 10 knots. Seas around 2 feet. Chance of showers and Thunderstorms.
Saturday night..Southeast winds 8 to 13 knots. Seas around 2 feet. Chance of showers and Thunderstorms.
Sunday..Southeast winds 8 to 13 knots. Seas around 2 feet. Chance of showers and Thunderstorms.
Sunday night..Southeast winds 8 to 13 knots. Seas around 2 feet. Chance of showers and Thunderstorms.
GMZ600 Synopsis For Pascagoula Ms To Okaloosa Walton County Line Fl Out 60 Nm Including Major Area Bays And Sounds- 411 Pm Cdt Tue Aug 21 2018
Synopsis..Surface high over the northern gulf will weaken and shift southward tonight through midweek as a weak trough or frontal boundary drifts down into the northern gulf and becomes nearly stationary. A light to moderate westerly flow over the marine area this evening will shift to a light offshore flow by Wednesday and continue through late week. Little change in seas through the period.


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 220100 aab
afdmob
area forecast discussion... Updated
national weather service mobile al
800 pm cdt Tue aug 21 2018

Discussion See updated information for land areas below.

Update Have updated to remove pops over interior areas and also
add an area of likely pops for this evening over portions of
coastal mobile, baldwin counties alabama and coastal escambia
county florida where convection will have the best coverage. Made
other minor adjustments. 29

Prev discussion issued 714 pm cdt Tue aug 21 2018
discussion... Updated for latest aviation discussion below.

Aviation...

00z issuance... Scattered pre-frontal shra and tsra dropping slowly
southeast over the southern zones to open up the period. Tsra
initially closer to mob and bfm and will maintain a tempo group
for brief lowering of vsby to ifr lifr categories in tsra and
brief strong convective wind gusts thru 22.01z. A bit later by an
hour or two at pns given radar trends. After frontal passage
later this evening, winds switch northwesterly with skies
clearing. 10
prev discussion... Issued 400 pm cdt Tue aug 21 2018
near term now through Wednesday ... Surface observations analysis,
radar and satellite imagery all indicated that the "cold" front is
just to the northwest of our forecast area at 3 pm this afternoon.

Out ahead of this front, some scattered showers and storms are
occurring, generally along the i-65 corridor and points east and
southward. Expect this convection to continue to until shortly after
sunset, but gradually diminish thereafter.

Models similar in moving the front down toward the coast overnight,
with the GFS slightly faster than the ecmwf. By 22 06z the gfs
already has the front just offshore in the northern gulf, while the
ecmwf still has it just inland over our forecast area before moving
it just offshore by around 22 12z. So the general trend is for the
front to move offshore sometime during the early morning hours
Wednesday. The national centers seem to favor the slightly slower
ecmwf, and we will also lean toward that solution. Either way, rain
chances will be ending quickly from northwest to southeast across
the region tonight only lingering near the coast by 22 12z, with no
rain expected during the day on Wednesday.

Airmass behind the front really not any cooler than ahead, but it
will be noticably drier with lower humidity on Wednesday. Dewpoint
temperatures in the mid and upper 70s this afternoon will only be in
the upper 60s to lower 70s across the region on Wednesday. Expect a
better minimum temperature gradient across the forecast area tonight
as the front will be moving through, with lows ranging from the
upper 60s northwestern zones to the lower 70s southeastern zones.

May not be below the mid 70s tonight for coastal okaloosa county.

Even though the "cold" front have moved south of the area by
Wednesday, much more sunshine will allow temperatures to warm into
the upper 80s and lower 90s by the afternoon hours. 12 ds
short term Wednesday night through Friday night ... A drier
airmass continues to flow into the area Wednesday night into
Thursday with a light northerly flow. Meanwhile, upper level
ridging will build across the area through the end of the work
week. This will maintain dry conditions with with lower humidity
as precipitable water values drop to around 1.2 inches. 13
long term Saturday through Tuesday ... Surface high pressure
moves east on Saturday with a light southerly flow developing
across the region. This will allow moisture to return to the area
as pwats climb back to around 1.8 inches on Sunday. The
increasing moisture levels will bring a return to a more typical
late august convective pattern. 13
marine... Surface high pressure ridge over the northern gulf today
will weaken and shift southward through midweek in response to a
weak trough or frontal boundary that will drift down into the
northern gulf and become nearly stationary. A light to moderate
westerly flow over the marine area this evening will shift to a
light offshore flow by Wednesday and continue through late week.

High pressure to the north of the marine area will shift off the
atlantic east coast sometime on Friday, with windflow over the
coastal waters returning to light onshore. Seas initially in the 2
to 3 foot range, decreasing to 2 feet or less for the remainder of
the forecast period. 12 ds

Mob watches warnings advisories
Al... None.

Fl... None.

Ms... None.

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 mi34 min 85°F 1016.9 hPa
42012 - Orange Beach AL Buoy 14 mi24 min SW 16 G 19 85°F 1016.8 hPa80°F
WBYA1 14 mi34 min 84°F
WKXA1 - Weeks Bay Reserve, AL 14 mi79 min 80°F 1017 hPa76°F
FMOA1 - 8734673 - Fort Morgan, AL 18 mi34 min SW 18 G 20 85°F 1016.8 hPa
DPIA1 - Dauphin Island, AL 20 mi124 min SSW 11 G 14 85°F 1016.4 hPa (-0.3)78°F
MBLA1 - Middle Bay Light, AL 22 mi64 min SSW 19 84°F 1016.3 hPa (-0.0)
CRTA1 - Cedar Point, AL 24 mi64 min SSW 17 85°F 1016.3 hPa (-0.0)
KATA1 - Katrina Cut, AL 28 mi64 min SW 17 85°F 1016.6 hPa (-0.0)
PCLF1 - 8729840 - Pensacola, FL 28 mi34 min W 8 G 13 83°F 84°F1017.1 hPa
MHPA1 - Meaher Park, AL 32 mi34 min W 1.9 78°F 1016.9 hPa
MCGA1 - 8736897 - Coast Guard Sector Mobile, AL 34 mi34 min WNW 1.9 G 2.9 78°F 84°F1017.2 hPa
PTOA1 35 mi34 min 80°F 78°F
OBLA1 - 8737048 - Mobile State Docks, AL 37 mi34 min 80°F 86°F1016.6 hPa
GDXM6 - Grand Bay Reserve, MS 40 mi79 min SW 14 86°F 1018 hPa80°F
PTBM6 - 8741003 - Petit Bois Island, MS 43 mi34 min SW 17 G 20 85°F 1017.9 hPa
PNLM6 - 8741533 - Pascagoula NOAA Lab, MS 47 mi34 min 84°F

Wind History for Fort Morgan, AL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Jack Edwards Airport, AL4 mi69 minSW 810.00 miThunderstorm in Vicinity83°F77°F85%1016.9 hPa
Sonny Callahan Airport, AL18 mi69 minN 6 G 157.00 miOvercast79°F71°F79%1017.3 hPa
Pensacola Naval Air Station, FL21 mi68 minWSW 510.00 miMostly Cloudy84°F79°F85%1017.1 hPa

Wind History from JKA (wind in knots)
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Last 24hrCalmCalmCalmCalmCalmS4S4----W5W5SW4W6
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1 day agoS4S3S3S3S4S5CalmN10CalmCalmCalmSW3SW4SW8SW6SW9
G16
W7SW7CalmCalmSW3CalmE6Calm
2 days agoN3CalmW9CalmCalmE4CalmCalmW12
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Tide / Current Tables for Bon Secour, Bon Secour River, Alabama
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Bon Secour
Click for Map
Tue -- 02:08 AM CDT     Moonset
Tue -- 06:21 AM CDT     Sunrise
Tue -- 07:30 AM CDT     1.74 feet High Tide
Tue -- 04:18 PM CDT     Moonrise
Tue -- 07:26 PM CDT     Sunset
Tue -- 07:56 PM CDT     0.23 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.811.11.21.41.61.71.71.71.71.61.51.31.210.80.70.50.40.30.20.30.40.6

Tide / Current Tables for Mobile Bay Entrance, Alabama Current
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Mobile Bay Entrance
Click for Map
Tue -- 02:09 AM CDT     Moonset
Tue -- 02:39 AM CDT     1.48 knots Max Flood
Tue -- 06:22 AM CDT     Sunrise
Tue -- 08:39 AM CDT     -0.00 knots Slack
Tue -- 02:24 PM CDT     -1.72 knots Max Ebb
Tue -- 04:19 PM CDT     Moonrise
Tue -- 07:27 PM CDT     Sunset
Tue -- 08:35 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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1.21.41.51.51.41.210.70.3-0.2-0.6-1-1.3-1.6-1.7-1.7-1.6-1.3-1-0.6-0.20.20.50.8

Weather Map and Satellite Images
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wmap_A
GOES 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.
target = "new">Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Mobile/Pensacola, FL (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 numerious 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.