Wednesday, December12, 2018 L-36.com


Marine Weather and Tides
Destin, FL

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 6:33AMSunset 4:48PM Wednesday December 12, 2018 2:21 AM CST (08:21 UTC) Moonrise 11:35AMMoonset 10:36PM Illumination 22% Phase: Waxing Crescent; Moon at 5 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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GMZ635 Western Choctawhatchee Bay-eastern Choctawhatchee Bay- 910 Pm Cst Tue Dec 11 2018
Rest of tonight..Winds light. Waves less than 1 foot.
Wednesday..Winds light becoming southeast 3 to 8 knots. Waves less than 1 foot.
Wednesday night..Southeast winds 3 to 8 knots increasing to 8 to 13 knots. Waves around 1 foot.
Thursday..East winds 8 to 13 knots becoming southeast 13 to 18 knots. Waves around 2 feet. Chance of showers in the afternoon.
Thursday night..Southeast winds 15 to 20 knots becoming south. Waves 1 to 2 feet. Slight chance of Thunderstorms in the evening. Showers. Chance of Thunderstorms after midnight.
Friday..Southwest winds 10 to 15 knots. Waves around 2 feet. Showers likely in the morning, then chance of showers in the afternoon.
Friday night..West winds 10 to 15 knots. Waves 1 to 2 feet. Chance of showers.
Saturday..Northwest winds 10 to 15 knots. Waves around 2 feet.
Saturday night..Northwest winds 8 to 13 knots. Waves around 2 feet.
Sunday..Northwest winds 3 to 8 knots. Waves around 1 foot.
Sunday night..North winds 3 to 8 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- 910 Pm Cst Tue Dec 11 2018
Synopsis..Winds shift to southerly Wednesday as high pressure builds over the eastern gulf. A moderate to strong onshore flow develops late Wednesday night into Thursday night ahead of the next approaching cold front. Winds become northwesterly behind the front late this week into this weekend. Small craft advisory conditions are likely for the end of the week into the first part of the weekend due to strong winds and rough seas.


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 120544 aab
afdmob
area forecast discussion... Updated
national weather service mobile al
1144 pm cst Tue dec 11 2018

Discussion See updated information for land areas and aviation
discussion below.

Update Temperatures have already dropped into the upper 20s to
lower 30s across the forecast area, including much of the coastal
sections. The cirrus canopy will continue to increase in thickness
through the overnight hours, so the lowering trend should decrease
substantially through the remainder of the night. As a result,
temperatures will hold nearly steady or only drop another degree
or two across the area through daybreak. Updated public forecasts
have been sent. 22

Aviation
06z issuance...VFR conditions are expected to prevail through the
late Wednesday afternoon or early evening as a cirrus canopy (25k
feet) continues to thicken. Calm to light and varible winds will
occur overnight into Wednesday morning, followed by south to
southeast winds of 5 to 10 knots during the afternoon hours. These
southerly winds will bring low level moisture back northward from
the gulf of mexico, so expect increasing low clouds and MVFR
ceilings from 2500 to 3000 feet late Wednesday afternoon and
evening along the north central gulf coast region. 22

Prev discussion issued 328 pm cst Tue dec 11 2018
near term now through Wednesday ... Upper level ridge continues
to build overhead as the corresponding surface high shifts east
over south alabama tonight. Clear skies will allow temperatures to
rapidly fall with lows in the 30s throughout the forecast area.

By morning the upper-level flow will gradually become more zonal
allowing for cirrus and additional cloud cover to move in from the
west throughout the daytime Wednesday. Though with pwats below
0.30" rain chances are effectively zero. The surface high is
expected to shift east allowing for a weak southerly wind flow and
moisture return by the afternoon. Dj 17
short term Wednesday night through Friday night ... An upper trof
advances across the central states and forms a deep upper low over
texas on Thursday. An associated surface low occludes while
advancing eastward along the red river valley meanwhile, with a
split jet structure aloft and low level warm air advection
resulting in a line of strong deep layer forcing advancing across
the lower mississippi river valley. The region of strong deep
layer lift shifts eastward across the forecast area Thursday night
followed by the occluded system continuing slowly eastward
further into the southeast states. The region of strong deep layer
lift will manifest as a line of convection, but while very high
shear is indicated, instability remains limited. The 850 mb jet
increases to 45-50 knots which results in 0-1 km helicity values
of 200-400 m2 s2 Thursday night. MLCAPE values are pretty abysmal
inland although over the coastal counties values of 300-500 j kg
are expected. Model soundings show that lapse rates have improved
over the coastal counties within the lowest 3 km, in fact even up
to 700 mb or so. There is the possibility that cool water
temperatures over the bays (in the 50s) and near shore water
temperatures in the lower mid 60s could create unfavorable lapse
rates in a very shallow near surface layer. That said, surface
based convection looks possible if not probable by the time the
line of convection moves through. Expect that this improvement in
the lapse rates is due to the effects of the strong deep layer
lift, which tends to improve lapse rates better at lower levels
compared to further aloft. This is not the case generally north of
the coastal counties however, where unfavorable lapse rates
persist at least in the lowest 1.5 km despite the strength of the
deep layer lift. Will have pops increasing to categorical on
Thursday over the western portion of the area, tapering to chance
pops further to the east, then categorical pops continue for the
entire area Thursday night. Pops taper off on Friday to mostly
slight chance as wrap around precipitation continues in the wake
of a cold front expected to follow shortly behind the line of
convection Thursday night, then dry conditions develop Friday
night. 29
long term Saturday through Tuesday ... Dry conditions continue
through the period as the large, deep system continues eastward
away from the area and into the western atlantic. Temperatures
will be near or slight below seasonable values through the period,
roughly near 40 at night and around 60 each day. 29
marine... Surface ridge shifts east overnight tonight allowing
an onshore flow to develop by Wednesday afternoon. This onshore
flow strengthens Wednesday ahead of the next front. A strong
onshore flow develops Thursday afternoon with showers and isolated
thunderstorms increasing in coverage over the marine zones into
the late afternoon and evening hours. Wave heights increase to
between 7-9 feet in the overnight hours Thursday night into Friday
with hazardous conditions for small craft expected. After the
front passes light showers may persist and waves offshore linger
above 9 feet (with some as high as 12 feet) into Saturday before
tapering off Saturday evening. 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
PCBF1 36 mi34 min NE 7 G 7 43°F 63°F1025.8 hPa
PCLF1 - 8729840 - Pensacola, FL 37 mi34 min N 2.9 G 4.1 42°F 57°F1025.6 hPa
PACF1 - 8729108 - Panama City, FL 48 mi34 min NNE 5.1 G 5.1 43°F 60°F1026.1 hPa
42012 - Orange Beach AL Buoy 60 mi32 min Calm G 1.9 1 ft1025.6 hPa

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 mi29 minN 010.00 miFair37°F37°F100%1025 hPa
Valparaiso / Eglin Air Force Base, FL6 mi26 minN 310.00 miFair32°F29°F91%1025.7 hPa
Hurlburt Field, FL9 mi86 minN 310.00 miFair33°F31°F93%1025.6 hPa

Wind History from DTS (wind in knots)
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Last 24hrNW11N8N9N7N11N8N8N6N5N5N4533CalmCalmCalmCalmCalmCalmCalmCalmCalmCalm
1 day agoNW14NW10NW10N9NW8
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N7NW10N9NW11N9N10NW6NW12N11NW10N11N9
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2 days agoW8
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NW45656NW5NW646NW4NW6NW8NW9NW9
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G18
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G17
NW14NW12NW12
G17

Tide / Current Tables for East Pass (Destin), Choctawhatchee Bay, Florida
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East Pass (Destin)
Click for Map
Wed -- 12:33 AM CST     0.54 feet High Tide
Wed -- 06:33 AM CST     Sunrise
Wed -- 10:34 AM CST     Moonrise
Wed -- 01:20 PM CST     -0.10 feet Low Tide
Wed -- 04:46 PM CST     Sunset
Wed -- 09:36 PM CST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.50.50.50.50.40.40.30.20.10.1-0-0.1-0.1-0.1-0.1-0.1-000.10.20.20.30.40.4

Tide / Current Tables for Harris, The Narrows, Choctawhatchee Bay, Florida
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Harris
Click for Map
Wed -- 02:37 AM CST     1.30 feet High Tide
Wed -- 06:34 AM CST     Sunrise
Wed -- 10:35 AM CST     Moonrise
Wed -- 02:51 PM CST     -0.23 feet Low Tide
Wed -- 04:47 PM CST     Sunset
Wed -- 09:37 PM CST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.11.21.31.31.31.210.80.70.40.30.1-0.1-0.2-0.2-0.2-0.2-0.1-00.10.30.40.60.8

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 (3,6,7,8)
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Ground Weather Radar Station Northwest Florida
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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.