Tuesday, August20, 2019 L-36.com


Marine Weather and Tides
Gulf Shores, AL

Version 3.4
NOTICE
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.
6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 6:20AMSunset 7:29PM Tuesday August 20, 2019 11:33 AM CDT (16:33 UTC) Moonrise 10:36PMMoonset 10:40AM Illumination 75% Phase: Waning Gibbous; Moon at 20 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- 1020 Am Cdt Tue Aug 20 2019
Today..South winds 8 to 13 knots. Seas around 2 feet. Dominant wave period 6 seconds. Showers and Thunderstorms likely.
Tonight..South winds 8 to 13 knots diminishing to 5 to 10 knots. Seas 1 to 2 feet. Dominant wave period 6 seconds. Chance of showers and Thunderstorms.
Wednesday..Southeast winds 5 to 10 knots becoming 8 to 13 knots. Seas 1 to 2 feet. Dominant wave period 5 seconds. Chance of showers and Thunderstorms.
Wednesday night..South winds 8 to 13 knots diminishing to 3 to 8 knots. Seas 1 to 2 feet. Dominant wave period 5 seconds. Chance of showers and Thunderstorms.
Thursday..Southeast winds 5 to 10 knots becoming south 8 to 13 knots. Seas 1 to 2 feet. Dominant wave period 5 seconds. Chance of showers and Thunderstorms.
Thursday night..South winds 8 to 13 knots becoming southwest 5 to 10 knots. Seas 1 to 2 feet. Dominant wave period 4 seconds. Chance of showers and Thunderstorms.
Friday..Southwest winds 5 to 10 knots. Seas around 1 foot. Dominant wave period 5 seconds. Chance of showers and Thunderstorms.
Friday night..Southwest winds 5 to 10 knots. Seas around 1 foot. Dominant wave period 5 seconds. Chance of showers and Thunderstorms.
Saturday..Southwest winds 5 to 10 knots. Seas around 1 foot. Chance of showers and Thunderstorms.
Saturday night..Southwest winds 8 to 13 knots. Seas around 1 foot. 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- 1020 Am Cdt Tue Aug 20 2019
Synopsis..A light southerly wind flow will continue over the marine area through much of the week as a surface ridge of high pressure continues to stretch from the western atlantic to the north central gulf. Winds and seas will be locally higher near scattered to numerous showers and Thunderstorms through the forecast period. Conditions will also remain favorable for isolated waterspouts, especially during the morning and early afternoon hours.


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 201442 aab
afdmob
area forecast discussion... Updated
national weather service mobile al
942 am cdt Tue aug 20 2019

Discussion See updated information for land areas below.

Update 20.12z upper air analysis shows a trof axis at multiple
levels from the appalachians stretching southwest over the central
gulf coast. At the surface, a weakly defined pressure trof was
draped along the i-65 corridor to over the ms sound this morning
where visible satellite imagery animations and radar loops show a
cyclonic motion to cloud precipitation elements respectively.

Mid-morning meso-analysis shows deepest gulf moisture (pwats 1.8
to 2.2) inches pooling into the trof axis. Highest mixed layer
capes ~ 1500 j kg positioned more over the coastal waters
initially. Morning fog has been on the decrease and mid morning
forecast update will be to remove fog wording in zones. Going into
the remainder of the day, with the trof axis in place supporting
an enhancement to lift along with more than adequate deep layer
moisture, convective coverage is expected to become more numerous.

How much the local environment destabilizes will depend on breaks
in the overcast and how much morning convection increases.

Although, a few storms have the potential of becoming locally
strong with brief strong winds and frequent lightning, other
concerns, being equal to these impacts, will be locally heavy
rain. Forecasters may see a situation where storms move repeatedly
over the same areas which may result in some flooding problems
over lower lying areas and other mainly urban locations subject to
poor drainage. 10

Prev discussion issued 647 am cdt Tue aug 20 2019
discussion... See updated information for land areas below.

Update... Patchy fog and low stratus continues to form over
inland areas of SW al NW fl and inland SE ms. As a result have
updated the current zone forecast mainly to mention patchy fog
early this morning. Fog and low clouds should begin to erode by
after 9 am this morning. 32 ee
prev discussion... Issued 637 am cdt Tue aug 20 2019
discussion... Updated for latest aviation discussion below.

Aviation...

12z issuance... Lifr to ifr CIGS and visibilities through about
20.14z followed by MVFR toVFR CIGS through 21.09z followed by
possible ifr CIGS and visibilities through 21.12z. Lower CIGS and
visibilities mostly in low stratus and patchy fog early this
morning possibly reforming again early Wed morning. Lower cigs
and visibilities also possible during late morning, afternoon and
evening hours mostly in and around scattered to numerous showers
and thunderstorms over much of the region. Winds will be light and
variable early today becoming mostly southeast to south at 5 to
10 knots through early this evening then light and variable late
this evening through 21.12z. 32 ee
prev discussion... Issued 449 am cdt Tue aug 20 2019
near term now through Tuesday night ... Persistent upper ridge of
high pressure centered over ok this morning continues to stretch
east to the north central gulf states with a weak mid to upper
trof still located just east of the upper ridge stretching from
the western carolinas to the north central gulf south of the
nwfl al coast. Near the surface high pressure continues to stretch
from the western atlantic to the north central gulf with a weak
trof reflecting near the sfc mostly in the vicinity of the upper
trof mentioned above. Similar to yesterday deep moisture in the
boundary layer continues across the north central gulf coast
region with pwats ranging from 1.7 inches over western sections of
the forecast area inland from the coast to 2.3 inches along coast
and over inland areas to the east. Moderate instability is also
noted across the region combined with weak to moderate forcing
mostly along and on the eastern side of the mid to upper trof.

With this pattern expect more rounds of scattered to numerous
showers and thunderstorms across the region with the best coverage
occurring over coastal sections including the adjacent gulf
waters early today slowly shifting inland during the afternoon and
evening hours. Gusty straightline winds, frequent cloud to ground
lightning along with periods of very heavy rain will accompany
the stronger storms, especially during the afternoon and early
evening hours. Due to the slow movement of storms along with some
training of cells over the same location some minor flooding could
become an issue by mid to late afternoon. Will continue to
monitor this minor flooding potential closely.

Daytime temperatures will continue to be lower compared to last week
due to better clouds and coverage of precip along with less
subsidence in the boundary layer. Highs today will range from the
upper 80s to lower 90s generally over the northern half of the
forecast area and the mid to upper 80s to the south including the
immediate coast. Lows tonight will be a tad above seasonal norms
ranging from the lower to middle 70s inland and the upper 70s to
near 80 along the immediate coast. 32 ee
short term Wednesday through Thursday night ... An unsettled
weather pattern will continue across the area Wednesday through
Thursday night, with a moist and unstable low level airmass in
place and a weak upper level weakness remaining in place across
the southeast us. Pwat's will continue around 1.8" and with daytime
differential heating resulting in a destabilizing environment
storm coverage increases, becoming scattered to numerous both
Wednesday and Thursday afternoons. A drop off in coverage is
anticipated over the land zones each night, back to isolated or
scattered. The strongest storms will likely bring brief strong
wind gusts, frequent lightning and locally heavy rainfall. In any
slow moving storms, rainfall rates could be high enough to result
in localized flooding in some lower lying and poor drainage areas.

Daytime highs in the upper 80s and lower 90s. Overnight lows in
the low to mid 70s most locations, upper 70s at the coast. 12 ds
long term Friday through Monday ... No notable changes expected
in the long term period. Diurnally driven scattered to locally
widespread daytime convection will continue, more isolated to
scattered during the overnight hours. No changes expected in
daily temperature pattern either. 12 ds
marine... A light southerly flow will continue over the marine area
through the remainder of the week with better winds and seas
occurring during the afternoon and early evening hours due to
daytime heating. Seas will generally range from 1 to 2 feet out to
60 nm offshore possibly becoming locally higher with some of the
stronger thunderstorms throughout much of the week. Frequent
lightning strikes and waterspouts will also be possible with some of
the heavier showers or thunderstoms through the forecast period.

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
PPTA1 8 mi63 min 80°F 1019.6 hPa
BSCA1 - Bon Secour, AL 10 mi93 min SE 1.9 1018.6 hPa (+0.3)
42012 - Orange Beach AL Buoy 14 mi33 min E 9.7 G 12 79°F 85°F1019 hPa (+0.7)78°F
WBYA1 14 mi45 min 85°F
WKXA1 - Weeks Bay Reserve, AL 14 mi108 min 76°F 1018 hPa74°F
FMOA1 - 8734673 - Fort Morgan, AL 18 mi45 min SSW 13 G 14 78°F 1019 hPa
DPIA1 - Dauphin Island, AL 20 mi33 min S 14 G 17 78°F 1018.8 hPa (+0.4)
MBLA1 - Middle Bay Light, AL 22 mi63 min SSE 8.9 79°F 1018.6 hPa
CRTA1 - Cedar Point, AL 24 mi63 min S 11 78°F 1018.6 hPa
KATA1 - Katrina Cut, AL 28 mi63 min SW 12 77°F 1018.3 hPa
PCLF1 - 8729840 - Pensacola, FL 28 mi45 min S 6 G 8 75°F 87°F1019.3 hPa
MBPA1 29 mi45 min 81°F 76°F
MHPA1 - Meaher Park, AL 32 mi63 min SSE 7 78°F 1019.3 hPa
MCGA1 - 8736897 - Coast Guard Sector Mobile, AL 34 mi45 min SE 5.1 G 7 82°F 87°F1018.8 hPa
PTOA1 35 mi45 min 81°F 76°F
OBLA1 - 8737048 - Mobile State Docks, AL 37 mi51 min 80°F 87°F1018.7 hPa
GBRM6 40 mi153 min 79°F
GDXM6 - Grand Bay Reserve, MS 40 mi108 min E 5.1 77°F 1019 hPa74°F
PTBM6 - 8741003 - Petit Bois Island, MS 43 mi51 min SSE 8 G 9.9 77°F 1018.5 hPa
PNLM6 - 8741533 - Pascagoula NOAA Lab, MS 47 mi51 min 82°F

Wind History for Fort Morgan, AL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Jack Edwards Airport, AL4 mi98 minESE 510.00 miFair79°F74°F87%1019 hPa
Sonny Callahan Airport, AL18 mi98 minN 010.00 miOvercast77°F75°F94%1018.6 hPa
Pensacola Naval Air Station, FL21 mi97 minS 410.00 miLight Rain78°F77°F97%1019 hPa

Link to 5 minute data for KJKA

Wind History from JKA (wind in knots)
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Last 24hrSW6SW7S9
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SW12W4CalmCalm------CalmE4CalmCalm--CalmCalmCalmS9SW7E5
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W15W9W7W7W5W6------W4--CalmSW7NE3E7CalmCalmCalmS8
2 days agoSE4NW4S6S4S6S7S6S3CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmW3CalmCalmNW5NW3

Tide / Current Tables for Bon Secour, Bon Secour River, Alabama
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Bon Secour
Click for Map
Tue -- 04:36 AM CDT     1.11 feet High Tide
Tue -- 06:20 AM CDT     Sunrise
Tue -- 10:09 AM CDT     0.89 feet Low Tide
Tue -- 10:40 AM CDT     Moonset
Tue -- 04:29 PM CDT     1.14 feet High Tide
Tue -- 07:27 PM CDT     Sunset
Tue -- 10:11 PM CDT     0.97 feet Low Tide
Tue -- 10:35 PM CDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.9111.11.11.11.1110.90.90.9111.11.11.11.11.11.11111

Tide / Current Tables for Mobile Bay Entrance, Alabama Current
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Mobile Bay Entrance
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Tue -- 03:37 AM CDT     0.00 knots Slack
Tue -- 06:22 AM CDT     Sunrise
Tue -- 10:39 AM CDT     0.31 knots Max Flood
Tue -- 10:41 AM CDT     Moonset
Tue -- 05:08 PM CDT     -0.00 knots Slack
Tue -- 07:28 PM CDT     Sunset
Tue -- 09:19 PM CDT     -0.16 knots Max Ebb
Tue -- 10:37 PM CDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.4-0.3-0.2-0.100.10.20.20.30.30.30.30.30.30.20.20.10-0.1-0.1-0.1-0.2-0.2-0.1

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.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Mobile/Pensacola, FL (12,3,4,5)
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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.