Saturday, March23, 2019 L-36.com


Marine Weather and Tides
Naples, 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 7:26AMSunset 7:40PM Saturday March 23, 2019 5:30 PM EDT (21:30 UTC) Moonrise 9:39PMMoonset 8:29AM Illumination 91% 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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GMZ656 Coastal Waters From Chokoloskee To Bonita Beach Fl Out 20 Nm- Coastal Waters From East Cape Sable To Chokoloskee Fl Out 20 Nm- 430 Pm Edt Sat Mar 23 2019
Tonight..East northeast winds 5 to 15 knots. Seas less than 2 feet. Period 5 seconds. Bay and inland waters a light chop.
Sunday..East southeast winds 5 to 10 knots. Seas less than 2 feet. Period 4 seconds. Bay and inland waters a light chop.
Sunday night..East northeast winds 5 to 10 knots. Seas less than 2 feet. Period 3 seconds. Bay and inland waters a light chop.
Monday..Northeast winds 5 to 10 knots becoming northwest in the afternoon. Seas less than 2 feet. Period 2 seconds. Bay and inland waters a light chop. Slight chance of showers.
Monday night..North northwest winds 5 to 10 knots. Seas less than 2 feet. Bay and inland waters a light chop.
Tuesday..Northwest winds 5 to 15 knots. Seas around 2 feet. Bay and inland waters a light chop.
Tuesday night and Wednesday..North winds 10 to 15 knots. Seas 2 to 3 feet. Bay and inland waters a light chop.
Wednesday night and Thursday..North northeast winds 10 to 20 knots. Seas around 2 feet nearshore and 2 to 3 feet with occasional to 5 feet offshore. Bay and inland waters a moderate chop.
GMZ600 Synopsis For Pascagoula Ms To Okaloosa Walton County Line Fl Out 60 Nm Including Major Area Bays And Sounds- 356 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 Naples, FL
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location: 26.14, -81.79     debug


Area Discussion for - Miami-South Florida, FL
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Fxus62 kmfl 232025
afdmfl
area forecast discussion
national weather service miami fl
425 pm edt Sat mar 23 2019

Discussion
Tonight and Sunday...

the mid-level ridge axis currently located from the western great
lakes into the eastern gulf of mexico will shift towards the
western atlantic in response to a shortwave trough advancing from
the central great plains into the mid mississippi valley. This
will cause the surface ridge now located over the ohio valley to
shift into the western atlantic in response. With south florida
along the southwestern periphery of the surface ridge, easterly
winds will increase on Sunday with an uptick in cloud cover
arriving from the east as well. Low-level moisture will increase
slightly, but any meaningful shower chances should hold off until
Sunday night at the earliest. Some moderation in temperatures
will occur given the easterly flow, with overnight lows ranging
from the lower to mid 50s for areas west of lake okeechobee, mid
to upper 50s for the remainder of the interior and gulf coast, and
lower to mid 60s for the east coast metro areas. A good warm-up
is then expected on Sunday, with highs mostly in the upper 70s to
lower 80s, with a few mid 80s possible over inland collier and
mainland monroe counties.

Sunday night through Tuesday...

aforementioned shortwave trough will gradually lose amplitude
while progressing form the ohio tennessee valleys into the south
atlantic states. A weak surface front attendant to the upper
system will gradually push into our area on Tuesday, likely
turning the winds north to northwest for a time late in the
period. Regardless of any wind shift, no meaningful cold
advection will occur with moderating temperatures continuing.

Highs should mostly be in the 80s, with upper 50s and 60s for
lows. The easterly flow on Sunday night will bring the first push
of better low-level moisture allowing for shower chances initially
for the atlantic and east coast, then spreading inland to the
interior by Monday afternoon. Shower chances should decrease, or
perhaps be confined to areas near over the atlantic waters by
Tuesday afternoon and evening.

Wednesday through Saturday...

shortwave energy will allow the upper trough to deepen across
florida and the western atlantic, while a secondary cold front
passes through our area early in the period. A robust pressure
gradient will develop as surface and mid-level ridging build in
behind the front, resulting in gusty winds (especially over the
atlantic and outer gulf waters) from Wednesday into at least
Thursday night. Temperatures will be a bit cooler on Wednesday
with some cloud cover and a few atlantic east coast focused
showers possible. Some warming is then expected heading into the
weekend.

Marine
Easterly surges of wind through the weekend may produce
cautionary conditions over the waters with brief bouts of
advisory conditions possible in the gulfstream. The next period
of hazardous conditions will arrive on Wednesday into Friday
behind a front. Expect gusty winds and building seas during this
time. Atlantic seas of 9 to 12 feet are possible.

Aviation
Vfr conditions to prevail, although with winds becoming stronger
out of the east on Sunday, expect sct bkn layer between
3,000-4,000 ft at east coast sites beginning by 12z-14z Sunday. In
the meantime, only few sct clouds all sites. Sea breezes through
00z near 10 knots, then wind staying E 7-10 knots east coast
overnight, and E increasing to 15 knots with some gusts near 20
knots by 14z Sunday including gulf coast kapf.

Beach forecast
An elevated risk of rip currents will likely persist through a good
portion of the week. Increasing winds behind frontal passage will
allow seas to build which could lead to not only a high risk of
rip currents mid to late week but also the potential for beach
erosion and some coastal impacts. It is still early in the
forecast period but those with interests tied to coastal flooding
should monitor the forecast evolution through the weekend and
early next week in case the threat to the coast materializes and a
high surf advisory or coastal flood statement become necessary
for the atlantic.

Preliminary point temps pops
West palm beach 64 77 66 79 0 10 20 30
fort lauderdale 66 77 70 80 10 10 30 40
miami 66 78 69 81 10 10 30 40
naples 61 80 63 81 0 10 0 10

Mfl watches warnings advisories
Fl... None.

Am... None.

Gm... None.

Discussion... 34 spm
marine... 34 spm
aviation... 59 rm
beach forecast... 34 spm


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
NPSF1 - 8725110 - Naples, FL 1 mi36 min 72°F 72°F1021 hPa
RKXF1 - Rookery Bay Reserve, FL 8 mi105 min SW 5.1 75°F 53°F
BGCF1 - Big Carlos Pass, FL 19 mi96 min SW 8.9 G 11 69°F 1021.9 hPa
FMRF1 - 8725520 - Fort Myers, FL 35 mi36 min 74°F 71°F1020.5 hPa
WPLF1 - Watson Place, FL 41 mi90 min 73°F
CNBF1 - Cannon Bay, FL 44 mi90 min 73°F

Wind History for Naples, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Naples, Naples Municipal Airport, FL1 mi37 minW 810.00 miFair72°F55°F55%1020.8 hPa

Wind History from APF (wind in knots)
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Last 24hrNW12
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W10NW8NW7NW5NW5NW3N3CalmN5N4N4NE4NE3NE5NE7E7NE53E3SW10W9SW10W8
1 day agoNW12
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2 days agoNE11NE10NE7NE4NE6NE7NE6N6NE8N6NE4NE6NE7N4N5N6N5N6W12
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Tide / Current Tables for Naples, Naples Bay, north end, Florida
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Naples
Click for Map
Sat -- 03:18 AM EDT     2.75 feet High Tide
Sat -- 07:28 AM EDT     Sunrise
Sat -- 09:12 AM EDT     0.40 feet Low Tide
Sat -- 09:29 AM EDT     Moonset
Sat -- 03:07 PM EDT     2.91 feet High Tide
Sat -- 07:39 PM EDT     Sunset
Sat -- 09:55 PM EDT     -0.39 feet Low Tide
Sat -- 10:39 PM EDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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11.82.42.72.72.31.71.10.60.40.50.91.52.22.72.92.82.31.70.90.2-0.2-0.4-0.2

Tide / Current Tables for Cocohatchee River, U.S. 41 bridge, Florida
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.


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 Miami-South Florida, FL (17,4,5,8)
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Ground Weather Radar Station Miami, FL
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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.