Saturday, April20, 2019 L-36.com


Marine Weather and Tides
Gulf Shores, 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 6:17AMSunset 7:23PM Saturday April 20, 2019 3:46 AM CDT (08:46 UTC) Moonrise 8:52PMMoonset 7:22AM Illumination 99% Phase: Full Moon; Moon at 16 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- 1000 Pm Cdt Fri Apr 19 2019
.small craft advisory in effect through Saturday evening...
Rest of tonight..Northwest winds 20 to 25 knots diminishing to 18 to 23 knots. Seas 5 to 8 feet. Dominant wave period 8 seconds. Isolated showers.
Saturday..Northwest winds 18 to 23 knots. Seas 4 to 6 feet. Dominant wave period 7 seconds.
Saturday night..Northwest winds 18 to 23 knots becoming north 8 to 13 knots. Seas 2 to 4 feet. Dominant wave period 6 seconds.
Sunday..North winds 5 to 10 knots becoming southwest 3 to 8 knots. Seas 1 to 2 feet. Dominant wave period 8 seconds.
Sunday night..Southwest winds 5 to 10 knots becoming south. Seas around 1 foot. Dominant wave period 7 seconds.
Monday..East winds 8 to 13 knots becoming southeast. Seas around 1 foot. Dominant wave period 7 seconds.
Monday night..South winds 8 to 13 knots. Seas around 1 foot. Dominant wave period 4 seconds.
Tuesday..Southeast winds 8 to 13 knots. Seas 1 to 2 feet. Dominant wave period 4 seconds.
Tuesday night..South winds 5 to 10 knots. Seas 1 to 2 feet.
Wednesday..Southeast winds 8 to 13 knots. Seas 1 to 2 feet.
Wednesday night..South winds 8 to 13 knots. Seas 1 to 2 feet.
GMZ600 Synopsis For Pascagoula Ms To Okaloosa Walton County Line Fl Out 60 Nm Including Major Area Bays And Sounds- 1000 Pm Cdt Fri Apr 19 2019
Synopsis..A strong west to northwest wind flow will persist through Saturday. Isolated to scattered showers can be expected through tonight, then rain free conditions Saturday through early next week. A light southerly wind flow will develop Sunday and continue into early next week as high pressure moves slowly east over the area.


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 200452 aac
afdmob
area forecast discussion... Updated
national weather service mobile al
1152 pm cdt Fri apr 19 2019

Discussion See updated information for land areas below.

Update Have done a quick update to adjust current winds
downward overnight by about 5 knots overall based on the latest
trends. No other major changes. 29

Prev discussion issued 1144 pm cdt Fri apr 19 2019
discussion... Updated for latest aviation discussion below.

Aviation...

06z issuance...VFR conditions will prevail for the next 24 hours.

West to northwest winds 5 to 10 knots tonight increase to around
15 knots Saturday morning. 29
prev discussion... Issued 615 pm cdt Fri apr 19 2019
discussion... Updated for latest aviation discussion below.

Aviation...

00z issuance...VFR conditions prevail through the period. Sparse
showers with the potential for strong gusty winds will mostly
affect the southern portion of the area through the evening hours.

Dry conditions otherwise prevail. Northwesterly winds 5 to 10
knots tonight increase to around 15 knots on Saturday. 29
prev discussion... Issued 401 pm cdt Fri apr 19 2019
near term now through Saturday ... Upper level trof axis was
aligned over the tn river valley today. East of the upper trof, deep
frontal wave of low pressure (~998 mb) was positioned over the
southern appalachians with extensive comma-head wrap around clouds
rotating southeastward over the central gulf coast. Radar also shows
a southeastward motion of isolated to scattered showers. With the
upper level cold core system atop the area, steep mid level lapse
rates lends support for some potential of isolated thunder the
remainder of the afternoon, especially where we see breaks in the
overcast. The environment also supports small hail making it down to
the surface if decent updrafts do develop given very favorable low
wet bulb zero heights. Something forecasters will be watching thru
the remainder of the afternoon. The risk of severe weather though is
low. Going into tonight, clouds look to hold thru much of the night
along with much cooler temperatures as lows dip into the mid 40s
north of the coast. These numbers are some 7 to 10 degrees below
climatology. A small chance of light showers continue. The upper
level storm system lifts more to the northeast up across the oh
river valley on Saturday. Clouds move out and sunny skies open up
the weekend with Saturday's highs ranging from the upper 60s to
lower 70s, also well below seasonal. 10
short term Saturday night through Monday night ... Temps will
warm back into the upper 70s to near 80 on Monday as upper ridging
builds over the area. At the sfc, high pressure will dominate,
keeping dry and clear conditions across the area. 13
long term Tuesday through Friday ... High pressure will move east
of the area by the middle of next week as an upper trough moves
into the plains. This will allow moisture to begin to return to
the area as a southerly flow develops. The upper trough and
associated sfc cold front approach the area late in the period
with rain chances increasing. The GFS is much more progressive
than the ecmwf, which develops an upper low over the southeast and
moves it slowly east. 13
marine... Hazards in the near term will continue to be moderate
to strong northwest flow due to the difference in pressure between
the deep wave of frontal low pressure lifting slowly northeast up
into the appalachians and high pressure over southern tx. Seas
remain elevated. No changes made to small craft advisories. Marine
conditions improve by Sunday and continue into the middle of next
week as high pressure sets up. 10

Mob watches warnings advisories
Al... High rip current risk until 6 am cdt Saturday for alz265-266.

Fl... High rip current risk until 6 am cdt Saturday for flz202-204-206.

Ms... None.

Gm... Small craft advisory until 10 am cdt Saturday for gmz630>636.

Small craft advisory until 11 pm cdt Saturday for gmz650-655-670-
675.

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
BSCA1 - Bon Secour, AL 10 mi76 min NW 17 56°F 1012.5 hPa
42012 - Orange Beach AL Buoy 14 mi36 min 18 G 23 1013.1 hPa
WBYA1 14 mi28 min 67°F
WKXA1 - Weeks Bay Reserve, AL 14 mi61 min 54°F 1013 hPa43°F
FMOA1 - 8734673 - Fort Morgan, AL 18 mi28 min NW 18 G 20 56°F 1012.8 hPa
DPIA1 - Dauphin Island, AL 20 mi46 min WNW 15 G 17 56°F 1013.2 hPa (-0.9)
CRTA1 - Cedar Point, AL 24 mi46 min WNW 14 55°F 1013.2 hPa (-0.3)
KATA1 - Katrina Cut, AL 28 mi76 min NW 17 1013.5 hPa
PCLF1 - 8729840 - Pensacola, FL 28 mi28 min WNW 5.1 G 8.9 52°F 71°F1012.5 hPa
MBPA1 29 mi28 min 53°F 45°F
MHPA1 - Meaher Park, AL 32 mi46 min W 11 54°F 1012.9 hPa (-1.7)
MCGA1 - 8736897 - Coast Guard Sector Mobile, AL 34 mi28 min W 6 G 8 53°F 70°F1012.9 hPa
PTOA1 35 mi28 min 53°F 46°F
OBLA1 - 8737048 - Mobile State Docks, AL 37 mi28 min 1012.6 hPa
GDXM6 - Grand Bay Reserve, MS 40 mi61 min WNW 5.1 53°F 1014 hPa46°F
PTBM6 - 8741003 - Petit Bois Island, MS 43 mi28 min WNW 12 G 14 57°F 1014.5 hPa

Wind History for Fort Morgan, AL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Jack Edwards Airport, AL4 mi71 minWNW 710.00 miMostly Cloudy52°F42°F70%1012.9 hPa
Sonny Callahan Airport, AL18 mi71 minW 710.00 miOvercast52°F41°F67%1012.9 hPa
Pensacola Naval Air Station, FL21 mi50 minVar 410.00 miFair51°F44°F77%1012.6 hPa

Wind History from JKA (wind in knots)
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1 day agoSE10
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2 days agoCalmCalmCalmCalmCalmSE9SE9SE8S7
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Tide / Current Tables for Bon Secour, Bon Secour River, Alabama
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Bon Secour
Click for Map
Sat -- 06:18 AM CDT     Sunrise
Sat -- 07:21 AM CDT     Moonset
Sat -- 12:42 PM CDT     1.72 feet High Tide
Sat -- 07:21 PM CDT     Sunset
Sat -- 08:52 PM CDT     Moonrise
Sat -- 10:52 PM CDT     0.25 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.50.60.70.70.80.90.911.11.31.51.61.71.71.71.51.31.10.80.60.40.30.30.3

Tide / Current Tables for Mobile Bay Entrance, Alabama Current
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Mobile Bay Entrance
Click for Map
Sat -- 06:19 AM CDT     Sunrise
Sat -- 06:33 AM CDT     1.04 knots Max Flood
Sat -- 07:22 AM CDT     Moonset
Sat -- 11:49 AM CDT     -0.00 knots Slack
Sat -- 05:30 PM CDT     -1.44 knots Max Ebb
Sat -- 07:22 PM CDT     Sunset
Sat -- 08:53 PM CDT     Moonrise
Sat -- 11:47 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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0.30.50.60.80.911110.80.60.3-0.1-0.4-0.8-1.1-1.3-1.4-1.4-1.3-1.1-0.9-0.6-0.2

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.
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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Mobile/Pensacola, FL (4,6,7,8)
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Ground Weather Radar Station Mobile, AL
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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.