Monday, September25, 2017 L-36.com


Marine Weather and Tides
Yellow Bluff, 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 6:37AMSunset 6:40PM Monday September 25, 2017 10:52 PM CDT (03:52 UTC) Moonrise 11:35AMMoonset 10:27PM Illumination 30% Phase: Waxing Crescent; Moon at 5 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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GMZ630 Northern Mobile Bay- 1013 Pm Cdt Mon Sep 25 2017
Rest of tonight..East winds 3 to 8 knots. Smooth to a light chop becoming smooth. Slight chance of showers and Thunderstorms.
Tuesday..Northeast winds 3 to 8 knots becoming south. Smooth. Slight chance of showers and Thunderstorms in the morning, then chance of showers and Thunderstorms in the afternoon.
Tuesday night..South winds 3 to 8 knots becoming light. Smooth. Chance of 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 becoming smooth to a light chop.
Thursday..North winds 3 to 8 knots. Smooth to a light chop.
Thursday night..Northwest winds 8 to 13 knots. A light chop.
Friday..North winds 8 to 13 knots. A light chop.
Friday night..North winds 10 to 15 knots. A moderate chop.
Saturday..Northeast winds 10 to 15 knots. A moderate chop.
Saturday night..Northeast winds 13 to 18 knots. Choppy.
GMZ600 Synopsis For Destin Fl To Pascagoula Ms Out 60 Nm Including Mobile Bay- 1013 Pm Cdt Mon Sep 25 2017
Synopsis..High pressure ridging into the marine area from the northeast will continue through early Wednesday, but begin to break down during the middle part of the week as a cold front approaches from the northwest. The front will likely drift south over the coastal waters late in the week. Showers and Thunderstorms will decrease in coverage through mid week before increasing once again late this week and into the weekend.

7 Day Forecast for Marine Location Near Yellow Bluff, AL
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location: 31.95, -87.43     debug


Area Discussion for - Mobile/Pensacola, FL
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Fxus64 kmob 260305 aaa
afdmob
area forecast discussion... Updated
national weather service mobile al
1005 pm cdt Mon sep 25 2017

Discussion See updated information for land areas below.

Update Convection has come to an end over inland portions of
the forecast area this evening and we have updated the forecast to
remove pops across all but coastal portions of southwest alabama
and a very small portion of coastal northwest florida overnight.

No other changes currently needed. 21

Prev discussion issued 629 pm cdt Mon sep 25 2017
discussion... Updated for latest aviation discussion below.

Aviation...

00z issuance...VFR CIGS visbys expected through the forecast.

Local drops to MVFR levels likely in the rapidly decreasing
activity currently over the area, and with more activity expected
closer to the coast Tuesday.

16
prev discussion... Issued 348 pm cdt Mon sep 25 2017
near term now through Tuesday ... A weak upper level low
pressure area centered over southeast mississippi will drift
south-southeast and begin to dissipate as a weak upper level
ridge begins to build west of the low. A surface ridge of high
pressure over the eastern CONUS and northeast gulf of mexico will
gradually weaken through Tuesday afternoon as hurricane maria
continues to the move slowly northward over the western atlantic.

This pattern will keep a light easterly surface wind flow and low
level moisture across the area, with skies generally partly cloudy
to occasionally mostly cloudy.

The ongoing isolated to scattered showers and a few thunderstorms
will dissipate through mid evening with loss of daytime surface
heating, with the activity shifting back over the gulf waters
through the remainder of the night. Isolated showers to scattered
and thunderstorms are expected to re-develop after mid Tuesday
morning southwest of a line from butler al to navarre beach fl
(closer to the upper low) due to decreasing stability.

Low temperatures tonight will range from 66 to 69 degrees inland
areas, with low 70s along the immediate coastal sections. High
temperatures Tuesday will be 2 to 6 degrees above normal, ranging
from 88 to 92 degrees inland areas, with mid 80s along the
immediate coastal sections. 22
short term Tuesday night through Thursday night ... Upper low
over the eastern gulf moves little through the short term as an
upper ridge builds from the western gulf into the tennessee
valley, pinching it off once again from the primary flow.

Expecting local area to remain rain-free Wednesday and Thursday
given pwats dropping back to below 1.5 inches and subsidence
strengthening aloft as the upper trough axis sags south over
al ga. Meanwhile, a deep upper trough over the western conus
shifts east over the great lakes, pushing a weak front down into
the local area late Thursday into Friday. With front weakening as
it approaches and the relatively dry air in place ahead of it, not
expecting much in terms of rain, with no mention of it in the
forecast through Thursday night. High temps Wednesday and Thursday
remain 6 to 8 degrees above seasonal, reaching the low 90's
across the area each afternoon. Low temps each night through the
short term range from mid 60s inland to low 70s at the coast. 49
long term Friday through Monday ... Weak frontal boundary stays
put along the coast or just offshore Friday night before surface
high pressure building over the eastern seaboard and appalachians
shifts the local flow from northerly to easterly. With this shift,
a deeper plume of moisture passes briefly through the area
Saturday Sunday, resulting in a slight bump in precip chances
across the area. This plume quickly moves off to the west and is
replaced by drier air Monday, with best precip chances remaining
offshore heading into early next week.

What the front lacks in rain, it also lacks in cool air. That
said, we will see temperatures dip from above seasonal (where
they've been) down to around seasonal Friday through the weekend.

Highs reach the low to mid 80s each afternoon and lows range from
low 60s inland to upper 60s along the coast each night. 49
marine... High pressure ridging into the marine area from the
northeast will continue through early Wednesday, but begin to
break down during the middle part of the week as a cold front
approaches from the northwest. The front will likely drift south
over the coastal waters late in the week. Scattered to numerous
showers and a few thunderstorms over the marine area today and
tonight, decreasing in coverage mid week, before increasing once
again late in the week. 22

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
OBLA1 - 8737048 - Mobile State Docks, AL 92 mi52 min 77°F 82°F1012.7 hPa (+1.3)
MHPA1 - Meaher Park, AL 93 mi52 min ENE 1 76°F 1012.9 hPa (+1.0)
MCGA1 - 8736897 - Coast Guard Sector Mobile, AL 96 mi52 min NNE 2.9 G 2.9 77°F 83°F1012.6 hPa (+1.1)

Wind History for Coast Guard Sector Mobile, AL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Evergreen, Middleton Field, AL42 mi59 minN 04.00 miFog/Mist71°F69°F94%1013 hPa

Wind History from GZH (wind in knots)
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Last 24hrCalmCalmCalmCalmCalmCalmCalmSW3CalmCalmNE3NE3NE4SE6E74N6N4N5CalmCalmCalmCalmCalm
1 day agoCalmCalmCalmCalmCalmCalmCalmCalmCalmNE4NE6E7NE7E8E10E7E7E7SE6SE4CalmCalmCalmCalm
2 days agoN3CalmCalmCalmCalmCalmCalmCalmCalmCalm3E4NE7NE8S7CalmN6NW4NW4CalmCalmN3CalmCalm

Tide / Current Tables for Lower Bryant Landing, Tensay River, Alabama
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Lower Bryant Landing
Click for Map
Mon -- 05:09 AM CDT     1.58 feet High Tide
Mon -- 06:41 AM CDT     Sunrise
Mon -- 11:35 AM CDT     Moonrise
Mon -- 01:56 PM CDT     0.27 feet Low Tide
Mon -- 06:43 PM CDT     Sunset
Mon -- 10:31 PM CDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.911.21.41.51.61.51.41.31.10.80.60.50.30.30.30.40.50.50.60.60.60.70.7

Tide / Current Tables for Lower Hall Landing, Tensaw River, Alabama
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Lower Hall Landing
Click for Map
Mon -- 05:38 AM CDT     1.49 feet High Tide
Mon -- 06:41 AM CDT     Sunrise
Mon -- 11:35 AM CDT     Moonrise
Mon -- 03:58 PM CDT     0.58 feet Low Tide
Mon -- 06:44 PM CDT     Sunset
Mon -- 10:31 PM CDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
1.11.21.21.31.41.51.51.41.41.21.110.80.70.60.60.60.60.60.60.70.80.91

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 (23,6,7,8)
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Ground Weather Radar Station East Alabama
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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.