Thursday, April27, 2017 L-36.com


Marine Weather and Tides
Destin, FL

Version 3.4
What's New / NOTES
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.
3/12/2015 - Added section for Gulf current for users in the GMZ marine zones.
This was requested by a user. If you have requests, please let me know.

Sunrise 6:04AMSunset 7:23PM Thursday April 27, 2017 9:33 PM CDT (02:33 UTC) Moonrise 7:14AMMoonset 8:53PM Illumination 4% Phase: Waxing Crescent; Moon at 2 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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GMZ655 Coastal Waters From Pensacola Fl To Pascagoula Ms Out 20 Nm- Coastal Waters From Destin To Pensacola Fl Out 20 Nm- 251 Pm Cdt Thu Apr 27 2017
.small craft exercise caution...
Tonight..South winds 13 to 18 knots. Seas 4 to 5 feet. Slight chance of Thunderstorms in the evening. Slight chance of showers.
Friday..South winds 13 to 18 knots becoming southeast. Seas 4 to 6 feet. Slight chance of showers.
Friday night..Southeast winds 18 to 23 knots increasing to 20 to 25 knots. Seas 5 to 6 feet building to 5 to 8 feet.
Saturday..Southeast winds 18 to 23 knots increasing to 20 to 25 knots. Seas 5 to 7 feet. Chance of showers and Thunderstorms.
Saturday night..Southeast winds 20 to 25 knots. Seas 6 to 9 feet.
Sunday..Southeast winds 20 to 25 knots. Seas 8 to 11 feet. Slight chance of showers and Thunderstorms.
Sunday night..Southwest winds 25 to 30 knots. Seas 7 to 10 feet. Showers and Thunderstorms.
Monday..Northwest winds 13 to 18 knots. Seas 4 to 7 feet. Chance of showers and Thunderstorms.
Monday night..Northwest winds 5 to 10 knots. Seas 3 to 4 feet.
Tuesday..East winds 8 to 13 knots. Seas 2 to 3 feet.
Tuesday night..South winds 8 to 13 knots. Seas around 2 feet. Slight chance of showers and Thunderstorms.
GMZ600 Synopsis For Destin Fl To Pascagoula Ms Out 60 Nm Including Mobile Bay- 251 Pm Cdt Thu Apr 27 2017
Synopsis..Moderate to strong onshore flow will last into Sunday as a surface ridge builds west over the northern gulf coast. A front moving over the are Sunday night will bring offshore flow for Monday into Monday night...but onshore flow returns for Tuesday as the surface ridge rebuilds west.

7 Day Forecast for Marine Location Near Destin, FL
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location: 30.4, -86.51     debug


Area Discussion for - Mobile/Pensacola, FL
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Fxus64 kmob 272330
afdmob
area forecast discussion
national weather service mobile al
630 pm cdt Thu apr 27 2017

Discussion Updated for latest aviation discussion below.

Aviation
00z issuance... Expect MVFR to locally ifr CIGS to prevail tonight
into tomorrow, with a few light showers possible primarily during
the 28.06z to 28.18z period. Visibilities could dip to MVFR
levels within and around any showers, but should otherwise
generally remain atVFR levels. Southerly winds around 5 to 10
knots tonight increase to 10 to 15 knots with gusts to around 20
knots Friday morning and afternoon. /49

Prev discussion /issued 327 pm cdt Thu apr 27 2017/
near term /now through Friday/... A front from last night's
passing system has stalled along i65, and is expected to wash out as
a surface ridge builds back west along the northern gulf coast
tonight. This building surface ridge in combination with a
developing surface low over the plains will provide moderate low
level winds and low level mixing to create light showers as gulf
moisture moves back inland overnight into Friday. The southerly
flow will help to keep overnight temps well above seasonal levels
also, especially with an expected stratus deck expected to reform
tonight. Northwestern portions of the forecast area will see the
effects of the cooler air that had moved over them last night.

Lows in the low 60s northwest to low 70s close to the coast and
inland over southeastern portions of the forecast area.

Friday, shortwave energy digging south over the rockies will help to
rebuild an upper ridge centered over the caribbean. Increasing
subsidence will bring temps a few degrees above seasonal, ranging
from upper 80s north of highway 84 to around 80 along the coast.

With the tidal range continuing to increase along with long period
swell continuing to move over area beaches from the south, have
extended the high risk of rip currents for another 24hrs. /16
short term /Friday night through Sunday night/... Friday night,
with southerly flow in place and surface based moisture remaining
high, patchy late night fog is mentioned and looks to be more
focused over the eastern zones. Some of the fog could be locally
dense. Meanwhile. An amplification in the high level geo-
potential height field aloft begins to evolve Friday night with a
long wave trof digging over the four corners of the desert
southwest and downstream ridging noted, up across the southeast.

The passage of mid level impulses embedded in the flow aloft along
with a recovery in deep layer moisture and daytime instability
sets the stage for a chance of showers and storms on Saturday.

The main weather event and potential of severe storms, though,
looks to be approaching our area from the west on Sunday. Well
pronounced upper level storm system begins to eject eastward over
the plains Sunday, sending a corridor of deep layer lift,
coincident with anomalously high deep layer moisture,
strengthening wind profiles with height and instability, eastward
over the central gulf coast. The latest global spectral models
from 27.12z show a linear convective system moving across the
lower mississippi river delta Sunday afternoon. Thereafter, the
operational GFS is faster with the eastward progression of this
feature with the ECMWF slower. Due to these differences, will
consider a blended approach to the probability of storms which
increase from west to east through the course of the day Sunday,
with highest chances (categorical ranges) for much of the region
Sunday night. Due to h85 low level jet intensifying to 40 to 50
knots, 0-3 km bulk shear magnitudes approaching 50 knots and
hodographs that become strongly curved by late afternoon and
evening, there are concerns not only for damaging wind gusts but
also isolated tornadoes, especially in discrete storms that form
ahead of the main line. Within a belt of strong warm advection
processes forecasters note a narrow zone of precipitable water
values surging to ~2.35" moving east over the region. These
values are 3 standard deviations above the climatological mean and
also a noteworthy mention is that this stands near the
climatological MAX for the final day of april. With that said,
organized storms will likely be efficient heavy rain producers.

Latest storm total rainfall covering the Sunday to Sunday night
time-frame shows 2 to 4 inches focused along and west of i-65 for
now and this is where forecasters now post a limited threat of
flooding. Warm days and mild to muggy nights continue.

Long term /Monday through Thursday/... Following the passage of
the weather system by Monday, Monday night and Tuesday looks to
be rainfree. Unsettled weather pattern returns Wednesday and
Thursday. Daily highs on Monday in the mid to upper 70s a few
degrees below seasonal before lifting to more seasonable numbers
(lower 80s most areas north of the coast by the middle of next
week). Coolest night is Monday night, with overnight lows in the
lower to mid 50s over the interior.

Marine... A surface ridge stretching west over the northern gulf
coast will continue to create a moderate to strong onshore flow into
Sunday. Small craft advisory will most likely be needed beginning
later Friday night. A front will cross the area Sunday night,
bringing a moderate offshore flow temporarily to the area, but by
Tuesday, onshore flow returns. /16

Mob watches/warnings/advisories
Al... High rip current risk through Saturday morning for alz265-266.

Fl... High rip current risk through Saturday morning for flz202-204-
206.

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
PCBF1 36 mi46 min SSE 12 G 14 74°F 76°F1011.9 hPa
PCLF1 - 8729840 - Pensacola, FL 37 mi46 min S 2.9 G 7 76°F 76°F1010.8 hPa
PACF1 - 8729108 - Panama City, FL 48 mi46 min S 11 G 12 75°F 77°F1012.1 hPa
42012 - Orange Beach AL Buoy 60 mi104 min S 9.7 G 12 75°F 75°F4 ft1009.8 hPa (+0.7)75°F

Wind History for Pensacola, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Destin, Destin-Ft. Walton Beach Airport, FL2 mi41 minS 69.00 miOvercast78°F78°F100%1011.2 hPa
Valparaiso / Eglin Air Force Base, FL6 mi98 minS 115.00 miFog/Mist76°F73°F92%1011.4 hPa
Hurlburt Field, FL9 mi96 minS 119.00 miOvercast76°F72°F90%1010.3 hPa

Wind History from DTS (wind in knots)
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1 day ago4SW863SW54SW5SW4S75S7S7
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2 days agoNW3CalmCalmCalmCalmN3N3CalmCalmCalmN5NW35556SW7SW6SW7SW8SW8SW644

Tide / Current Tables for East Pass (Destin), Choctawhatchee Bay, Florida
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East Pass (Destin)
Click for Map
Thu -- 06:06 AM CDT     Sunrise
Thu -- 07:13 AM CDT     Moonrise
Thu -- 11:23 AM CDT     0.62 feet High Tide
Thu -- 07:21 PM CDT     Sunset
Thu -- 08:53 PM CDT     Moonset
Thu -- 11:58 PM CDT     -0.10 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
-000.10.10.20.30.30.40.50.50.60.60.60.60.50.50.40.30.20.10-0-0.1-0.1

Tide / Current Tables for Harris, The Narrows, Florida
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Harris
Click for Map
Thu -- 06:06 AM CDT     Sunrise
Thu -- 07:14 AM CDT     Moonrise
Thu -- 01:11 PM CDT     1.58 feet High Tide
Thu -- 07:22 PM CDT     Sunset
Thu -- 08:54 PM CDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
-0.100.10.30.40.60.70.811.11.31.41.51.61.61.51.31.10.90.60.40.2-0-0.2

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 (22,6,7,8)
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Ground Weather Radar Station Northwest Florida
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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.