Sunday, March24, 2019 L-36.com


Marine Weather and Tides
Perdido Beach, 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 6:46AMSunset 7:04PM Sunday March 24, 2019 3:45 AM CDT (08:45 UTC) Moonrise 11:10PMMoonset 9:29AM Illumination 88% Phase: Waning Gibbous; Moon at 18 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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GMZ633 Perdido Bay- 1014 Pm Cdt Sat Mar 23 2019
Rest of tonight..Winds light becoming east 3 to 8 knots. Waves less than 1 foot.
Sunday..East winds 3 to 8 knots becoming south. Waves less than 1 foot.
Sunday night..South winds 3 to 8 knots becoming light. Waves less than 1 foot. Patchy fog after midnight.
Monday..Winds light becoming southwest 5 to 10 knots. Waves less than 1 foot. Patchy fog in the morning. Slight chance of showers and Thunderstorms in the afternoon.
Monday night..West winds 5 to 10 knots becoming northwest. Waves less than 1 foot. Slight chance of showers in the evening.
Tuesday..North winds 8 to 13 knots. Waves less than 1 foot.
Tuesday night..North winds 8 to 13 knots. Waves less than 1 foot.
Wednesday..East winds 8 to 13 knots. Waves around 1 foot.
Wednesday night..East winds 8 to 13 knots. Waves around 1 foot.
Thursday..East winds 8 to 13 knots. Waves around 1 foot.
Thursday night..Southeast winds 8 to 13 knots. Waves less than 1 foot.
GMZ600 Synopsis For Pascagoula Ms To Okaloosa Walton County Line Fl Out 60 Nm Including Major Area Bays And Sounds- 1014 Pm Cdt Sat Mar 23 2019
Synopsis..A light onshore flow is expected tonight through early Monday as a ridge of high pressure to the north of the marine area early this evening shifts east through Monday. Westerly winds increase and seas build on Monday in response to a cold front approaching from the northwest. The cold front is expected to move across the marine area Monday night into early Tuesday, bringing a moderate to occasionally strong offshore flow through early Wednesday. A lighter more east to southeast flow is then expected late in the week as high pressure rebuilds to the northeast of the marine area.


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 240448 aac
afdmob
area forecast discussion... Updated
national weather service mobile al
1148 pm cdt Sat mar 23 2019

Discussion Updated for latest aviation discussion below.

Aviation
06z issuance...VFR conditions forecast next 24hrs. Surface high
pressure will be east of the area, resulting in light variable to
calm wind overnight, becoming light from the southeast during the
day Sunday. Passing clouds will be high based cirrus. 10

Prev discussion issued 944 pm cdt Sat mar 23 2019
discussion... See updated information for land areas below.

Update... 02z surface observations across the forecast area
showing temperatures trending about 2 to 6 degrees below forecast
values as a quick drop has occurred this evening due to the very
dry airmass that mixed out this afternoon. Sent an update to the
public products to adjust for current observations, the
anticipated overnight temperature trend, and updated overnight
lows, which are now expected to be about 2 to 5 degrees below the
previous forecast values. Look for lows to dip into the low to mid
40s inland areas, mid to upper 40s along the coastal sections,
and lower 50s along the beaches. Remaining forecast elements
trending as forecast. 22
prev discussion... Issued 630 pm cdt Sat mar 23 2019
discussion... Updated for latest aviation discussion below.

Aviation...

00z issuance... Surface high pressure will be east of the area,
resulting in light and variable winds tonight, becoming light from
the southeast during the day Sunday. Passing clouds will be high
based cirrus. 10
prev discussion... Issued 358 pm cdt Sat mar 23 2019
near term now through Sunday ... Surface high pressure centered
northeast of the area today will shift east off the southeast
atlantic coast and be more east of the area on Sunday. This will
allow the surface ridge axis over our area to gradually change from
northeast to east on Sunday. This will support light and variable
surface winds across most of the area tonight, expect for right
along the coast where light east to southeast winds (around 5 mph)
should be expected. On Sunday, as the ridge axis become more east-
west oriented, a continued light but more southeast to south flow is
expected to develop over the entire area. Dry conditions will be
maintained, although occasional thin high clouds will continue as a
weak mid upper level impulse seen in water vapor imagery moving east
out of tx and into la this afternoon moves east across the our area
tonight and early Sunday. There may be a few isolated showers out
over the gulf to the south of the region on Sunday afternoon, but
will not include any slight pop in forecast for now. A little warmer
tonight than last night, with lows ranging from the mid and upper
40s over interior zones to the lower 50s closer to the coast.

Another nice mild day on Sunday, with highs in the mid to upper 70s
over the interior but in the lower 70s along the coast where the
influence of the light onshore breeze will be more evident. 12 ds
short term Sunday night through Tuesday night ... A shortwave
trof (located at the base of a longwave trof over the interior
eastern states) advances from the eastern plains into the
southeast states through Monday night, then moves into the
western atlantic Tuesday night. An associated surface low moves
from near the mississippi ohio river confluence Sunday night to
the carolinas Monday night, meanwhile bringing a cold front
through the forecast area late Monday afternoon into Monday
evening. The surface low continues into the western atlantic
during the remainder of the period while a large surface ridge
meanwhile builds from the plains into the eastern states. Mostly
dry conditions Sunday night will be followed by pops increasing
to likely over interior areas by Monday with lesser pops
elsewhere as the front advances into the area. Slight chance to
chance pops follow for much of the area Monday evening as the
front finishes moving through the area, then dry conditions return
later Monday night and continue through Tuesday night. Mlcape
values increase possibly as high as 500-1000 j kg Monday afternoon
before dropping off quickly by early evening. Shear values will
generally be low, but it was also noted that wet bulb zero values
around 10 kft will be present. This environment may support some
strong storms and will continue to monitor. Another day with
temperatures several degrees above normal is expected for Monday
with highs in the mid to upper 70s, then Tuesday will be cooler
with mid to upper 60s for highs. Sunday night will be mild and
mainly in the lower to mid 50s. Monday night and Tuesday night
trend progressively cooler with lows Tuesday night ranging from
the lower 40s inland to the mid 40s closer to the coast. 29
long term Wednesday through Saturday ... An upper ridge shifts
from the central states to across the eastern states through
Thursday night then moves off into the western atlantic later in
the period. An upper trof meanwhile advances into the western
states through Thursday, after which there is considerable
uncertainty whether the upper trof moves into the interior eastern
states by Saturday or instead continues to linger over the
western states. There is fair agreement on a surface low
developing to the lee of the rockies over the central plains by
Thursday, then uncertainty follows for how quickly the surface low
ejects off to the northeast across or near the great lakes
region. For the forecast area, a light return flow develops by
Thursday and continues through the remainder of the period.

Depending on how the pattern evolves, it is possible that the
system will bring a weakening and decelerating cold front across
the lower mississippi river valley to near the forecast area on
Saturday. Have opted to have dry conditions continue through
Friday, then chance pops return to most of the area for Saturday
as either the front nears the area or at least modest isentropic
lift will be present. 29
marine... A light onshore flow is expected tonight through early
Monday as a ridge of high pressure to the north of the marine area
early this evening shifts east through Monday. Westerly winds
increase and seas build (especially over the gulf marine zones) on
Monday in response to a cold front approaching from the northwest.

The cold front is expected to move across the marine area Monday
night into early Tuesday, bringing a moderate to occasionally strong
offshore flow through early Wednesday. Exercise caution levels are
likely and small craft advisory could be required for the middle
part of the week. A lighter more east to southeast flow is then
expected late in the week, except well offshore where winds and seas
will remain up somewhat. 12 ds

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
PCLF1 - 8729840 - Pensacola, FL 12 mi28 min N 1.9 G 1.9 55°F 64°F1022.3 hPa
WBYA1 21 mi28 min 63°F
WKXA1 - Weeks Bay Reserve, AL 21 mi61 min 46°F 1022 hPa46°F
42012 - Orange Beach AL Buoy 23 mi36 min Calm G 1.9 1022.2 hPa
FMOA1 - 8734673 - Fort Morgan, AL 33 mi28 min SE 4.1 G 4.1 63°F 1021.9 hPa
MHPA1 - Meaher Park, AL 33 mi46 min Calm 55°F 1022.4 hPa (-0.7)
DPIA1 - Dauphin Island, AL 36 mi46 min ESE 1.9 G 2.9 62°F 1022 hPa (-1.1)
MBPA1 36 mi28 min 49°F 49°F
PTOA1 37 mi28 min 55°F 53°F
CRTA1 - Cedar Point, AL 38 mi46 min ESE 2.9 61°F 1022 hPa (-1.0)
MCGA1 - 8736897 - Coast Guard Sector Mobile, AL 38 mi28 min WNW 1 G 1.9 53°F 64°F1022.4 hPa
OBLA1 - 8737048 - Mobile State Docks, AL 39 mi34 min 52°F 60°F1022.3 hPa
KATA1 - Katrina Cut, AL 42 mi76 min SSE 4.1 1023 hPa

Wind History for Pensacola, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Pensacola Naval Air Station, FL7 mi50 minN 05.00 miFog/Mist47°F46°F97%1022.1 hPa
Pensacola - Pensacola International Airport, FL13 mi53 minN 010.00 miFair51°F51°F100%1022.2 hPa
Jack Edwards Airport, AL15 mi71 minWNW 40.50 miFog44°F44°F100%1022.3 hPa
Sonny Callahan Airport, AL24 mi71 minN 04.00 miFog/Mist43°F42°F100%1022.3 hPa

Wind History from NPA (wind in knots)
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Tide / Current Tables for Pensacola Bay Entrance, Pensacola Bay, Florida
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Pensacola Bay Entrance
Click for Map
Sun -- 06:48 AM CDT     Sunrise
Sun -- 09:28 AM CDT     Moonset
Sun -- 12:30 PM CDT     0.85 feet High Tide
Sun -- 07:03 PM CDT     Sunset
Sun -- 11:09 PM CDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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Tide / Current Tables for Warrington, 2 miles south of, Pensacola Bay, Florida
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Warrington
Click for Map
Sun -- 06:48 AM CDT     Sunrise
Sun -- 09:28 AM CDT     Moonset
Sun -- 01:26 PM CDT     1.06 feet High Tide
Sun -- 07:02 PM CDT     Sunset
Sun -- 11:09 PM CDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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Weather Map and Satellite Images
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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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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.