Tuesday, September26, 2017 L-36.com


Marine Weather and Tides
Dauphin Island, AL

Version 3.4
What's New / NOTES
6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported.
5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive.
5/19/2016 - There were issues with the 3 day airport observation history. I switched to another data source. Let me know if you see any issues with the data feeds.

Sunrise 6:41AMSunset 6:43PM Tuesday September 26, 2017 7:49 AM CDT (12:49 UTC) Moonrise 12:27PMMoonset 11:16PM Illumination 33% Phase: Waxing Crescent; Moon at 6 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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GMZ631 Southern Mobile Bay-mississippi Sound- 354 Am Cdt Tue Sep 26 2017
Today..East winds 3 to 8 knots becoming southeast. Smooth to a light chop becoming smooth. Scattered showers and Thunderstorms.
Tonight..South winds 3 to 8 knots becoming light. Smooth. Scattered showers and Thunderstorms in the evening.
Wednesday..North winds 3 to 8 knots becoming northwest. Smooth.
Wednesday night..West winds 3 to 8 knots becoming northwest. Smooth to a light chop.
Thursday..North winds 3 to 8 knots. Smooth to a light chop becoming smooth.
Thursday night..West winds 3 to 8 knots becoming north 8 to 13 knots. Smooth to a light chop becoming a light chop.
Friday..North winds 10 to 15 knots. A moderate chop.
Friday night..North winds 13 to 18 knots. Choppy.
Saturday..Northeast winds 13 to 18 knots. Choppy.
Saturday night..Northeast winds 13 to 18 knots. Choppy. Slight chance of showers and Thunderstorms.
GMZ600 Synopsis For Destin Fl To Pascagoula Ms Out 60 Nm Including Mobile Bay- 354 Am Cdt Tue Sep 26 2017
Synopsis..A weak pressure pattern results in a light and variable wind flow pattern and small sea states through the middle of the week. A more established north to northeast flow is forecast by the end of the week as a frontal boundary makes passage late Thursday. Seas to trend higher over the weekend.

7 Day Forecast for Marine Location Near Dauphin Island, AL
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location: 30.25, -88.08     debug


Area Discussion for - Mobile/Pensacola, FL
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Fxus64 kmob 261116 aab
afdmob
area forecast discussion... Updated
national weather service mobile al
616 am cdt Tue sep 26 2017

Discussion Updated for latest aviation discussion below.

Aviation
12z issuance... Few to scattered cig bases at MVFR categories this
morning with tsra potentially in the vcty of mob and bfm by
around 26.17z. Away from convection. Light north to northeast
winds become southeast into the afternoon. 10

Prev discussion issued 344 am cdt Tue sep 26 2017
near term now through Tuesday night ... Upper air analysis this
morning shows a short wave mid level ridge over the western gulf,
poking northward into the mid-south. East of the ridge, high
level trof has slipped southeast and is more positioned over the
northeast gulf. Satellite total precipitable water product shows
a narrow zone of better deep layer moisture (1.6 to 1.8 inches)
aligned over the southwest half of the local area, with lower
values (1.3 to 1.5 inches) over the far northeast zones. Considering
where the better moisture axis is, passage of weak mid level
impulses that ease southward between the upper ridge to the west
and trof to the southeast aiding in ascent, forecasters call for
isolated to scattered showers and storms generally along and south
of a line from waynesboro ms to milton fl today. A few storms
potentially strong, with brief strong wind gusts and frequent
lightning being the main threats. Any lingering showers and
storms that may carry over into the evening over the southwest
zones looks to dissipate by 9 pm.

Daytime highs generally 4 to 8 degrees above climatology, ranging
from the upper 80s to lower 90s along and north of i-10 to mid
80s at the beaches. Overnight lows also above normal, ranging from
the mid to upper 60s interior to lower to mid 70s beaches. 10
short term Wednesday through Thursday night ... The northern
extent of an upper ridge extending from near the texas coast to
near the ohio river valley retreats southward during the period in
response to a large upper trof which gradually builds into the
great lakes region. A surface low well to the north, associated
with the upper trof, brings a trailing cold front into the
southeast states on Wednesday, then slowly through the forecast
area through the remainder of the period as a large surface high
over the plains begins to build into the eastern states. During
this evolution, the upper trof also begins to phase with a weak
upper trof lingering over the extreme southeast states. This
pattern maintains a weak deep layer northerly flow over the
forecast area during the period along with modest subsidence, and
despite the frontal passage the result will be a dry forecast.

Will have highs on Wednesday and Thursday in the lower 90s except
for near 90 at the coast. Lows will range from the mid to upper
60s inland to the lower 70s at the coast. 29
long term Friday through Monday ... The large upper trof near the
great lakes region partially phases with the weak upper trof over
the extreme southeast states, with the combined feature moving
off into the western atlantic through the weekend. The upper ridge
oriented from the texas coast into the lower mississippi river
valley expands greatly northward into the eastern states, while
the large surface ridge completes building into the eastern
states with the flow over the forecast area gradually switching
from light northerly to easterly. Will continue with a dry
forecast on Friday, then expect to see a return of small pops for
the eastern portion of the area on Saturday then most of the area
on Sunday as the easterly flow brings a region of elevated deep
layer moisture across the area. Have gone with small pops near the
coast on Monday as while the easterly flow continues, drier air
also begins to flow mainly into the interior portion of the area.

The previously warm afternoon highs in the lower 90s on Thursday
(which were about 7-9 degrees above normal) gradually trend to
seasonable values mostly in the lower 80s during the period.

Overnight lows will range from the lower 60s inland to near 70 at
the coast. 29
marine... A weak pressure pattern results in a light and
variable wind flow pattern and small sea states through the middle
of the week. A more established north to northeast flow is
forecast by the end of the week as a frontal boundary makes
passage late Thursday. Seas to trend higher over the weekend. 10

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
DPIA1 - Dauphin Island, AL 0 mi49 min ENE 9.9 G 11 78°F 1013.2 hPa (+1.2)
FMOA1 - 8734673 - Fort Morgan, AL 3 mi49 min E 8.9 G 11 77°F
CRTA1 - Cedar Point, AL 5 mi79 min ENE 6 78°F 1013.5 hPa
KATA1 - Katrina Cut, AL 7 mi79 min ENE 8.9 79°F 1013.5 hPa
MBLA1 - Middle Bay Light, AL 13 mi79 min ENE 9.9 77°F 1012.9 hPa
WKXA1 - Weeks Bay Reserve, AL 18 mi64 min 71°F 1013 hPa71°F
WBYA1 18 mi49 min 81°F
GDXM6 - Grand Bay Reserve, MS 20 mi64 min ENE 6 76°F 1014 hPa74°F
PTBM6 - 8741003 - Petit Bois Island, MS 23 mi49 min ENE 8.9 G 11 79°F 1013.9 hPa (+1.1)
RARM6 - 8741094 - Range A rear, Pascagoula, MS 24 mi49 min NE 5.1 G 6 75°F 1013 hPa (+1.2)
ULAM6 - 8741041 - Dock E. Port of Pascagoula, MS 24 mi49 min 84°F
DKCM6 - 8741501 - Dock C, Pascagoula, MS 27 mi49 min ENE 5.1 G 7 75°F 1013.3 hPa (+1.2)
PNLM6 - 8741533 - Pascagoula NOAA Lab, MS 27 mi49 min 81°F
MCGA1 - 8736897 - Coast Guard Sector Mobile, AL 28 mi49 min N 1.9 G 2.9 73°F 83°F1013.8 hPa (+1.3)
PPTA1 28 mi49 min NE 4.1 76°F 1013.9 hPa (+1.7)
PTOA1 29 mi49 min 74°F 73°F
MHPA1 - Meaher Park, AL 30 mi49 min NE 2.9 74°F 1013.9 hPa (+1.7)
42012 - Orange Beach AL Buoy 31 mi59 min E 3.9 G 3.9 80°F 82°F1 ft1013 hPa (+1.2)74°F
OBLA1 - 8737048 - Mobile State Docks, AL 32 mi49 min 74°F 82°F1013.8 hPa (+1.3)
PCLF1 - 8729840 - Pensacola, FL 47 mi49 min 76°F 82°F1013.9 hPa (+1.5)

Wind History for Dauphin Island, AL
(wind in knots)    EDIT      (on/off)   Help
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NE11
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G16
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E5
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N6
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Sonny Callahan Airport, AL18 mi54 minN 010.00 miPartly Cloudy70°F69°F100%1013.5 hPa
Jack Edwards Airport, AL22 mi54 minN 07.00 miPartly Cloudy71°F70°F100%1013.5 hPa

Wind History from CQF (wind in knots)
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Last 24hrE6E6E10
G14
E7E5SE7E3SE3E5E7SE4SE3CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalm
1 day agoNE5SE11
G14
CalmNE4NE6NE3E5E9E8E5N4CalmCalmCalmCalmCalmCalmCalmE7E6E4E5E7E6
2 days agoNE3E4NE5E6E8E5N3SE5SE4N3
G8
CalmCalmCalmCalmCalmCalmCalmNE3NE3NE3NE4NE4NE4NE4

Tide / Current Tables for Dauphin Island, Mobile Bay, Alabama
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Dauphin Island
Click for Map
Tue -- 02:15 AM CDT     1.50 feet High Tide
Tue -- 06:42 AM CDT     Sunrise
Tue -- 12:26 PM CDT     Moonrise
Tue -- 02:05 PM CDT     0.39 feet Low Tide
Tue -- 06:43 PM CDT     Sunset
Tue -- 11:16 PM CDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
1.41.51.51.51.41.31.21.10.90.80.60.50.50.40.40.40.40.50.60.70.80.91.11.2

Tide / Current Tables for Mobile Bay Entrance, Alabama Current
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Mobile Bay Entrance
Click for Map
Tue -- 03:18 AM CDT     -0.00 knots Slack
Tue -- 06:42 AM CDT     Sunrise
Tue -- 09:23 AM CDT     -1.25 knots Max Ebb
Tue -- 12:26 PM CDT     Moonrise
Tue -- 03:25 PM CDT     0.00 knots Slack
Tue -- 06:43 PM CDT     Sunset
Tue -- 09:49 PM CDT     1.19 knots Max Flood
Tue -- 11:15 PM CDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.80.60.40.1-0.2-0.5-0.8-1-1.2-1.2-1.2-1.1-1-0.7-0.4-0.10.20.50.70.91.11.21.21.1

Weather Map and Satellite Images
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Weather Map
wmap_A
IR Satellite Image from GEOS
east_satellite

GOES Local Image of Southeast    EDIT
Geos

Wind Forecast for Mobile/Pensacola, FL (8,2,3,4)
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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.