Tuesday, December18, 2018 L-36.com


Marine Weather and Tides
Yellow Bluff, AL

Version 3.4
What's New / NOTES
10/6/2018 Colors of tide XTide graphs changed to emphasize that they were upgraded. See next note. Comments welcome.
10/4/2018 I have fixed XTide and updated the harmonic files. There were some name changes so you might have to click EDIT to find the new station name.

Sunrise 6:43AMSunset 4:47PM Tuesday December 18, 2018 6:06 AM CST (12:06 UTC) Moonrise 3:00PMMoonset 3:13AM Illumination 83% 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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GMZ630 Northern Mobile Bay- 336 Am Cst Tue Dec 18 2018
Today..Northeast winds 3 to 8 knots becoming light. Waves less than 1 foot.
Tonight..Winds light becoming east 3 to 8 knots. Waves less than 1 foot.
Wednesday..East winds 8 to 13 knots. Waves around 1 foot. Slight chance of showers in the morning, then showers likely and slight chance of Thunderstorms in the afternoon.
Wednesday night..East winds 8 to 13 knots becoming south. Waves around 1 foot. Showers and slight chance of Thunderstorms.
Thursday..West winds 8 to 13 knots increasing to 18 to 23 knots. Waves around 1 foot. Showers likely.
Thursday night..West winds 18 to 23 knots becoming northwest 20 to 25 knots. Waves 2 to 3 feet. Showers likely.
Friday..Northwest winds 20 to 25 knots. Waves 2 to 3 feet. Slight chance of showers.
Friday night..Northwest winds 15 to 20 knots. Waves 2 to 3 feet subsiding to around 1 foot.
Saturday..West winds 8 to 13 knots. Waves around 1 foot.
Saturday night..West winds 5 to 10 knots. Waves around 1 foot.
GMZ600 Synopsis For Pascagoula Ms To Okaloosa Walton County Line Fl Out 60 Nm Including Major Area Bays And Sounds- 336 Am Cst Tue Dec 18 2018
Synopsis..Light winds and low sea states persist through Tuesday night. A moderate onshore flow develops Wednesday and seas begin to build as another low pressure system approaches from the west. Hazardous conditions for small craft are expected to develop Thursday as a cold front moves eastward across the marine area and persist through Friday night. Gale conditions are likely over open gulf waters Thursday night into Friday.


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 181148 aaa
afdmob
area forecast discussion... Updated
national weather service mobile al
548 am cst Tue dec 18 2018

Discussion Updated for latest aviation discussion below.

Aviation
12z issuance... MVFR toVFR conditions through 19.12z. Low clouds
and patchy fog will be possible each morning, forming shortly
before sunrise then lifting before 9am each day. Winds will be
mostly light and varible through 19.12z.

Prev discussion issued 456 am cst Tue dec 18 2018
near term now through Tuesday night ... Main concern for this
morning will be the development of fog, possibly locally dense in
some areas, especially along and south of the i-10 corridor and
over northern sections of the forecast area generally from wiggins
ms to camden al stretching northward. As temp dewpt spreads
continue to decrease this morning more reports of dense fog could
result in a possible advisory later this morning before sunrise. A
sharp upper ridge of high pressure that moved over the north
central gulf coast region and forecast area during the evening
will begin to move east of the forecast area by early this morning
in response to the next developing mid to upper trof closed low
to the west that moves from the desert southwest to the lower
plains states from early this morning through early Wed morning.

Near the surface a broad ridge of high pressure stretching from
the great lakes to the north central gulf coast this morning will
also drift east through tonight reaching the mid atlantic states
and eastern seaboard by early Wed morning. With this pattern
better moisture return generally from the south and west can be
expected later this afternoon and tonight leading to increasing
clouds from the south and west late today through tonight. Due to
the better clouds in the mid to upper levels the chance for more
fog overnight and early Wed looks to be less of a threat attm
compared to the morning.

Temperatures will generally be 4 to 6 degrees above seasonal norms
today and tonight due to better sunshine during the day and
increasing clouds later today and tonight. Highs today will climb to
the mid 60s for most inland areas and the low to mid 60s along the
immediate coast. Lows tonight will range from the mid 40s for most
inland areas and the upper 40s to lower 50s along the immediate
coast. 32 ee
short term Wednesday through Thursday night ... Rather
complicated weather pattern setting up for the middle to later
part of the week. A large upper level trough extending from the
central great plains to southern mexico, with an embedded closed
low over north texas, will slowly move eastward through Thursday
night. On Wednesday, GFS and ECMWF solutions similar with a piece
of shortwave energy rounding the base of the embedded closed low
over texas, with that portion of the upper trough becoming
slightly negatively tilted by the end of the day, which ejects
that shortwave energy quickly to the northeast. Another fast
moving shortwave dropping south out of canada late Wednesday will
quickly south and intensify around the base of the trough
Wednesday night through Thursday night. As a result, the upper
trough will become highly amplified and extend southward generally
along the mississippi river and well south into the gulf by late
Thursday night.

As the initial shortwave ejects north Wednesday night, surface low
pressure will begin to develop along the lower mississippi river
region, and then move east-northeast across the southeastern
states Thursday and Thursday night as the upper trough amplifies.

Light to moderate southeasterly surface winds out ahead of the
developing system will gradually increase and shift south-
southwest through early Thursday, then shift west late Thursday
and northwest Thursday night. Due to the vigorous nature of the
mid level through, once the the flow shifts to west and northwest
it is expected to be quite strong. It is likely that we may have
to consider a wind advisory as early as Thursday night, we will
continue to monitor for this possibility.

Rain chances increase dramatically from west to east across the
area late Wednesday and Wednesday night as the system approaches
the area from the west, with the potential for the heaviest
rainfall and possible isolated embedded thunderstorms during that
time. Thursday and Thursday night, rain chances will remain high
as the trailing upper part of the system moves east across the
region, but rain is expected to be lighter as that occurs.

Rainfall totals of 0.50 to 1.15 inches will possible Wednesday and
Wednesday night, with some locally higher amounts mainly south
and east of i-65. Lower rainfall totals expected for the remainder
of the short term period as we will have a high pop, low qpf
scenario toward the end of the forecast period. 12 ds
long term Friday through Monday ... The short term storm system
will be quickly moving east of the area on Friday, but the very
breezy northwest flow continues and a wind advisory will likely be
needed. Surface high pressure will be building over the forecast
area Friday night through Saturday night, with winds subsiding and
cool and dry conditions prevailing. The surface high pressure
drifts east of the area Sunday and Monday, with a moderating
southeast wind flow developing. 12 ds
marine... Light winds and low sea states will persist over
the marine area through tonight. A moderate onshore flow will
develop Wednesday and Wednesday night with seas building ahead of a
developing low pressure system approaching from the west. Hazardous
conditions for small craft are expected to develop Thu and persist
through Fri night in the wake of a strong cold front moves east and
south across much of the northern and central gulf beginning early
thu. Gale conditions are likely over open gulf waters Thu night into
fri with seas building to 10 to 17 ft from 20 to 60 nm out by early
fri morning. A few strong thunderstorms will also be possible ahead
and along the front late Wed night through thu. 32 ee

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 mi55 min 44°F 52°F1021.1 hPa
MHPA1 - Meaher Park, AL 93 mi37 min Calm 44°F 1022 hPa
MCGA1 - 8736897 - Coast Guard Sector Mobile, AL 96 mi55 min Calm G 1 44°F 56°F1021.3 hPa

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 mi14 minN 00.50 miFog35°F33°F93%1021.1 hPa

Wind History from GZH (wind in knots)
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Last 24hr3CalmN436N745N7N5N4CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalm
1 day agoW3Calm5NW5465N7N9N7CalmCalmCalmCalmN3NW43N4N3CalmCalmN4N5Calm
2 days agoSW8SW5SW7SW6W6SW7SW5S7S5S5S4CalmSW4W4Calm3CalmCalmCalmN4CalmCalmCalmCalm

Tide / Current Tables for Lower Hall Landing, Tensaw River, Alabama
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Lower Hall Landing
Click for Map
Tue -- 02:14 AM CST     Moonset
Tue -- 06:43 AM CST     Sunrise
Tue -- 11:08 AM CST     0.13 feet Low Tide
Tue -- 02:02 PM CST     Moonrise
Tue -- 04:52 PM CST     Sunset
Tue -- 11:16 PM CST     1.08 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.90.90.90.80.60.50.40.30.20.20.10.10.10.20.30.40.50.50.60.70.8111.1

Tide / Current Tables for Mobile (Mobile State Docks), Alabama (2) (expired 1989-12-31)
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Mobile (Mobile State Docks)
Click for Map
Tue -- 02:15 AM CST     Moonset
Tue -- 06:43 AM CST     Sunrise
Tue -- 07:57 AM CST     -0.02 feet Low Tide
Tue -- 02:03 PM CST     Moonrise
Tue -- 04:53 PM CST     Sunset
Tue -- 09:09 PM CST     1.03 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.70.60.40.30.20.10-0-0-000.10.20.20.30.40.60.70.80.91110.9

Weather Map and Satellite Images
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wmap_A
GOES Local Image of    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.
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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Mobile/Pensacola, FL (7,2,3,4)
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Ground Weather Radar Station East Alabama
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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.