Sunday, May20, 2018 L-36.com


Marine Weather and Tides
Perdido Beach, AL

Version 3.4
What's New / NOTES
3/3/2018 - There is a new GOES Satellite for the east coast that required rewriting that part of the code. Please report any issues.
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.

Sunrise 5:50AMSunset 7:41PM Sunday May 20, 2018 12:48 PM CDT (17:48 UTC) Moonrise 11:04AMMoonset 12:07AM 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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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- 1001 Am Cdt Sun May 20 2018
Rest of today..East winds 8 to 13 knots becoming southeast. Seas around 1 foot. Dominant wave period 4 seconds. Slight chance of showers and Thunderstorms.
Tonight..Southeast winds 3 to 8 knots becoming east 8 to 13 knots. Seas around 1 foot. Dominant wave period 5 seconds. Slight chance of showers and Thunderstorms.
Monday..East winds 8 to 13 knots becoming southeast. Seas around 2 feet. Dominant wave period 6 seconds. Chance of showers and Thunderstorms.
Monday night..Southeast winds 8 to 13 knots. Seas around 2 feet. Dominant wave period 6 seconds. Chance of showers and Thunderstorms.
Tuesday..Southeast winds 8 to 13 knots. Seas around 2 feet. Dominant wave period 6 seconds. Chance of showers and Thunderstorms.
Tuesday night..Southeast winds 8 to 13 knots. Seas around 2 feet. Dominant wave period 6 seconds. Chance of showers and Thunderstorms.
Wednesday..Southeast winds 3 to 8 knots. Seas around 2 feet. Dominant wave period 6 seconds. Chance of showers and Thunderstorms.
Wednesday night..South winds 3 to 8 knots. Seas around 2 feet. Dominant wave period 6 seconds. Chance of showers and Thunderstorms.
Thursday..Southeast winds 8 to 13 knots. Seas around 2 feet. Chance of showers and Thunderstorms.
Thursday night..Southeast winds 8 to 13 knots. Seas around 2 feet. 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- 1001 Am Cdt Sun May 20 2018
Synopsis..Currently a weak surface ridge will persist over the southeast through the middle of next week. While at the same time a series of weak inverted troughs move across the northeast gulf of mexico. As a result, winds will be easterly to southeasterly tonight through Monday, then they become more consistently onshore through the remainder of the forecast period. Expect rain and Thunderstorm chances to exist everyday through Friday.

7 Day Forecast for Marine Location Near Perdido Beach, AL
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location: 30.39, -87.43     debug


Area Discussion for - Mobile/Pensacola, FL
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Fxus64 kmob 201130
afdmob
area forecast discussion
national weather service mobile al
630 am cdt Sun may 20 2018

Discussion Updated for latest aviation discussion below.

Aviation
12z issuance...

majorityVFR conditions expected with an east to southeast wind
flow. In the afternoon, instances of MVFR and ifr conditions will
be possible owing to widespread thunderstorm development. In the
evening storms should dissipate allowing for furtherVFR
conditions. Dj 17

Prev discussion issued 459 am cdt Sun may 20 2018
near term now through Sunday night ... The axis of tropical
moisture extending into the florida panhandle and southeastern
states acts as the source for the daily convection expected in the
afternoon hours Sunday. A wider coverage of storms than yesterday
is expected owing to the additional moisture. Precipitable water
values rise to near 1.7 inches by this afternoon with CAPE values
again over 2000 j kg. This coupled with temperatures in the upper
80s low 90s will be enough maintain the daily convection into the
late afternoon and early evening hours. A weak mid-level ridge
overhead makes for diminished storm motions and as a result some
locations beneath the afternoon's storms could experience larger
than normal rainfall amounts. Dj 17
short term Monday through Tuesday night ... A weak upper level
low and associated trough will remain in the general vicinity of
south central alabama, the western florida panhandle and the
adjacent northern gulf of mexico Monday and Monday night. A very
moist airmass will remain in place across our region through
Monday night, with precipitable water values expected to rise to
around 1.6"-1.7" in the western zones Monday and Monday night,
and potentially nearing 2" over the eastern CWA closer to the
upper level trough. This moist airmass, along with the meandering
upper trough axis nearby, convergence along the surface trough and
seabreeze, and available daytime instability should result in the
development of scattered to numerous showers and thunderstorms
across our forecast area Monday. We have pops ranging from around
50% in the western and northwestern portion of the area, to 60-70%
over our central and eastern areas by Monday afternoon. A few
afternoon storms could be strong, especially over southeast ms and
far southwest al, where guidance indicates that afternoon mlcape
values will likely range between 1000-2000 j kg. Otherwise, high
temperatures should trend a little cooler, especially over much of
southwest al and the western fl panhandle, where better coverage
of convection is expected. A chance of showers and a few
thunderstorms may continue into Monday night, especially over
south central al and the western fl panhandle closer to the
vicinity of the upper trough axis.

The weak upper trough axis will continue to hold in place across
the vicinity of south central al and the western fl panhandle
again Tuesday and Tuesday night. A similar weather pattern can be
expected again, with scattered to numerous showers and storms once
again expected to develop across the region. Will maintain the
highest afternoon coverage (~70%) over the eastern zones closer to
the upper trough axis, while still indicating a good chance
(50-60%) of showers and storms over the rest of the cwa.

Convection should once again tend to diminish in coverage Tuesday
evening and night, though at least isolated to scattered showers
and thunderstorms may persist across the region into the night
with the moist airmass and upper trough axis remaining in place
over the area. 21
long term Wednesday through Saturday ... A very moist and
unsettled weather pattern looks to continue through the extended
forecast period. The persistent upper level trough axis should
weaken Wednesday and Wednesday night, but may still have enough of
an influence along with the surface trough and seabreeze to spark
scattered to numerous showers and storms across the region again
Wednesday afternoon. The forecast becomes complicated late this
week into the weekend as medium range model solutions indicate
development of upper level low pressure over the gulf of mexico
Thursday into Friday, and possibly an area of surface low pressure
developing and lifting northward somewhere over the gulf late this
week into this weekend. There is lot of spread in the guidance on
the track and development of this feature and will be something
to monitor over the next several days. We otherwise expect a good
chance of daily showers and thunderstorms to continue late this
week into this weekend as abundant moisture remains in place over
our region. 21
marine... Southeasterly winds shift more southerly on Sunday
though they remain relatively light. A series of weak moist low
level impulses move across the marine zones throughout the week.

These troughs bring some variability to the surface wind field but
overall an onshore flow is expected through the forecast period.

Additionally, increased chances of heavy rain and thunderstorms
exist everyday this week. Dj 17

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 10 mi48 min 83°F 1018.6 hPa (-0.3)
PCLF1 - 8729840 - Pensacola, FL 12 mi48 min S 2.9 G 5.1 89°F 82°F1018.9 hPa (+0.0)
WBYA1 21 mi48 min 81°F
WKXA1 - Weeks Bay Reserve, AL 21 mi63 min 87°F 1018 hPa67°F
42012 - Orange Beach AL Buoy 23 mi38 min E 5.8 G 7.8 80°F 1018.9 hPa72°F
MBLA1 - Middle Bay Light, AL 31 mi78 min W 1.9 81°F 1019.3 hPa
MHPA1 - Meaher Park, AL 33 mi48 min SW 5.1 81°F 1019 hPa (+0.3)
FMOA1 - 8734673 - Fort Morgan, AL 33 mi48 min SSE 6 G 8.9 82°F
DPIA1 - Dauphin Island, AL 36 mi48 min SE 2.9 G 4.1 80°F 1018.9 hPa (+0.3)72°F
PTOA1 37 mi48 min 84°F 69°F
MCGA1 - 8736897 - Coast Guard Sector Mobile, AL 38 mi48 min N 1.9 G 4.1 83°F 86°F1018.9 hPa (+0.0)
CRTA1 - Cedar Point, AL 38 mi78 min E 5.1 81°F
OBLA1 - 8737048 - Mobile State Docks, AL 39 mi48 min 85°F 81°F1018.7 hPa (+0.0)
KATA1 - Katrina Cut, AL 42 mi78 min SE 5.1 81°F 1019.3 hPa

Wind History for Pensacola, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Pensacola Naval Air Station, FL7 mi52 minSE 1010.00 miPartly Cloudy87°F71°F59%1018.6 hPa
Pensacola - Pensacola International Airport, FL13 mi55 minVar 510.00 miFair87°F66°F51%1018.6 hPa
Jack Edwards Airport, AL15 mi73 minSE 9 G 1610.00 miPartly Cloudy85°F72°F66%1018.6 hPa
Sonny Callahan Airport, AL24 mi73 minN 010.00 miPartly Cloudy82°F69°F66%1019 hPa

Wind History from NPA (wind in knots)
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Last 24hrS11S10S12SW10S11SW7S7S6S6CalmSW3S5CalmS4S3CalmCalmCalmCalmSE6SE4NE3SE10SE10
1 day agoSW11
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SW9SW7SW6SW8SW6CalmSW6SW4S7SW8S8S8SW5S8SW8SW10S9S9S12
2 days agoSW9SW12S13SW11S9SW6E4CalmW7
G19
W4E9N5SE12S8SW6CalmCalmNE3Calm55S10S11SW16

Tide / Current Tables for Nix Point, Perdido Bay, Florida
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Nix Point
Click for Map
Sun -- 12:07 AM CDT     Moonset
Sun -- 05:11 AM CDT     -0.12 feet Low Tide
Sun -- 05:52 AM CDT     Sunrise
Sun -- 11:04 AM CDT     Moonrise
Sun -- 05:22 PM CDT     0.92 feet High Tide
Sun -- 07:40 PM CDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.30.10-0-0.1-0.1-0.1-0.100.10.30.40.50.60.70.80.90.90.90.90.80.70.60.5

Tide / Current Tables for Entrance, Pensacola Bay, Florida
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Entrance
Click for Map
Sun -- 12:06 AM CDT     Moonset
Sun -- 01:00 AM CDT     -0.29 feet Low Tide
Sun -- 05:52 AM CDT     Sunrise
Sun -- 11:03 AM CDT     Moonrise
Sun -- 01:30 PM CDT     1.29 feet High Tide
Sun -- 07:39 PM CDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
-0.3-0.3-0.3-0.2-0.10.10.30.50.70.811.11.21.31.31.21.210.90.70.50.30.1-0

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.
target = "new">Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Mobile/Pensacola, FL (13,3,4,5)
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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.