Tuesday, March26, 2019 L-36.com


Marine Weather and Tides
Bokeelia, 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 7:24AMSunset 7:43PM Tuesday March 26, 2019 5:58 AM EDT (09:58 UTC) Moonrise 12:00AMMoonset 10:41AM Illumination 71% Phase: Waning Gibbous; Moon at 20 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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GMZ856 Coastal Waters From Bonita Beach To Englewood Fl Out 20 Nm- 420 Am Edt Tue Mar 26 2019
Today..Northwest winds 5 to 10 knots increasing to around 15 knots late in the afternoon. Seas 2 feet. Bay and inland waters a moderate chop.
Tonight..Northwest winds around 15 knots. Seas 2 to 3 feet. Bay and inland waters a moderate chop.
Wednesday..North winds 10 to 15 knots increasing to around 20 knots late in the afternoon. Seas building to 3 to 5 feet. Bay and inland waters choppy.
Wednesday night..Northeast winds around 20 knots. Seas 3 to 5 feet. Bay and inland waters choppy.
Thursday..Northeast winds around 20 knots diminishing to 10 to 15 knots in the afternoon. Seas 2 to 4 feet. Bay and inland waters choppy.
Thursday night..Northeast winds around 15 knots. Seas 2 to 3 feet. Bay and inland waters a moderate chop.
Friday..Northeast winds around 15 knots diminishing to 5 to 10 knots in the late morning and afternoon. Seas 2 feet. Bay and inland waters a moderate chop.
Friday night..North winds around 10 knots then becoming east in the late evening and overnight. Seas 2 feet or less. Bay and inland waters a light chop.
Saturday..Southeast winds around 10 knots then becoming southwest around 5 knots late in the afternoon. Seas 2 feet or less. Bay and inland waters a light chop.
GMZ800 Synopsis For The Coastal Waters From Bonita Beach To Suwannee River- 420 Am Edt Tue Mar 26 2019
Synopsis..A cold front will move south through the waters today and tonight, with winds shifting to northwest and north with speeds increasing to exercise caution or advisory levels later tonight. A strong and gusty northeasterly wind flow will persist across the waters through Thursday as the gradient tightens between developing low pressure offshore the florida east coast and strong surface high pressure along the eastern seaboard with hazardous marine conditions for small craft operators expected. Lighter winds and lower seas will return on Friday and into the weekend as high pressure builds in over the region.


7 Day Forecast for Marine Location Near Bokeelia, FL
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location: 26.72, -82.26     debug


Area Discussion for - Tampa Bay, FL
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Fxus62 ktbw 260803
afdtbw
area forecast discussion
national weather service tampa bay ruskin fl
403 am edt Tue mar 26 2019

Deteriorating marine conditions expected late tonight
through Thursday...

Discussion (today - Monday)
A short-wave trough moving off the southeast u.S. Coast will
help to push a cold front south through the forecast area
later today. Limited moisture accompanying this front should
support a dry frontal passage with just a wind shift into
the west northwest expected. Little change in temperatures
are expected today with highs climbing into the upper 70s to
around 80 along the coast, and lower 80s inland.

Tonight into Wednesday a stronger short wave trough closed
upper level low will sweep southeast across the north-central
florida peninsula. Better moisture and lift accompanying
this system will support scattered to numerous showers (pops
30 to 60 percent) from the tampa bay area north into the
nature coast, with mainly dry conditions continuing further
to the south and west. Similar to yesterday models continue
to show surface low pressure developing offshore the florida
east coast on Wednesday in association with the short-wave
with this low then meandering offshore through early Thursday.

A tightening pressure gradient (7-8mb) between this low and
strong high pressure to the north will result in a breezy to
windy northeasterly wind wind flow developing across the
forecast area and the adjacent gulf coastal waters which
will continue through Thursday. Cooler temperatures are
expected during Wednesday and Wednesday night with highs on
Wednesday in the upper 60s north, and lower to mid 70s
central and south, with lows Wednesday night in the upper
40s to around 50 across the nature coast, lower to mid 50s
central zones, and upper 50s across southwest florida.

During Wednesday night into Thursday rain chances will end
as the deeper moisture associated with the upper trough surface
low shifts east into the atlantic and drier air filters in
from the west. Pleasant dry weather along with diminishing
winds and moderating temperatures can be expected on Friday
and continuing into the weekend as high pressure settles in
over the area. Now during Sunday night into Monday high
pressure will shift east as the next short wave trough and
cold front approaches from the west with increasing clouds
and rain chances (pops 40 to 50 percent) expected on Monday
as these features affect the area.

Aviation
Some ifr lifr CIGS will impact the northern terminals of
ktpa, kpie, ksrq, and klal through 12z this morning with
some MVFR vsbys from some shallow patchy fog also impacting
klal and kpgd, otherwiseVFR will prevail at all terminals
during the next 24 hours. West-northwest winds in the 4 to 6
knot range early this morning will increase to 10 to 12
knots after 16z, then becoming northwest to north at 6 to 8
knots after 02z tonight.

Marine
A cold front will move south through the coastal waters
today and tonight with west to northwest winds expected
across the waters. Northwest to north winds tonight will
veer to the northeast overnight with speeds increasing into
the cautionary small craft range by early Wednesday morning
with wind and seas then remaining elevated with hazardous
boating conditions for small craft operators expected to
continue through early Thursday as the pressure gradient
tightens between developing low pressure offshore the
florida east coast and strong surface high pressure along
the eastern seaboard. Lighter northeast to east winds and
lower seas should return to the waters on Friday and into
the weekend as the gradient relaxes as surface high pressure
settles in over the area.

Fire weather
Increasing 20 foot winds and transport winds combined with
mixing height in the 3-4kft range will yield high dispersion
indices across the forecast area today through Thursday.

Humidity values are expected to remain above critical levels
with no red flag conditions expected. Some patchy fog will
be possible over central interior zones and across the
nature coast counties early this morning, but widespread
visibility restrictions are not expected.

Preliminary point temps pops
Tpa 77 60 72 56 0 20 20 0
fmy 81 60 75 57 0 10 10 0
gif 82 58 69 55 0 30 40 0
srq 77 60 74 56 0 10 10 0
bkv 78 56 71 51 0 40 30 0
spg 74 62 71 59 0 20 20 0

Tbw watches warnings advisories
Fl... None.

Gulf waters... None.

Discussion aviation marine fire weather... 57 mcmichael
decision support... 18 fleming


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
FMRF1 - 8725520 - Fort Myers, FL 21 mi41 min 69°F 76°F1015.8 hPa
VENF1 - Venice, FL 26 mi59 min NW 8.9 G 9.9 71°F 72°F1016.3 hPa (-0.8)68°F
BGCF1 - Big Carlos Pass, FL 30 mi65 min N 4.1 G 5.1 71°F 1016.7 hPa
42013 - C10 - Navy-2 47 mi89 min NW 5.8 G 5.8 70°F 70°F1016.6 hPa
NPSF1 - 8725110 - Naples, FL 47 mi41 min 70°F 74°F1016.2 hPa

Wind History for Naples, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Punta Gorda, Charlotte County Airport, FL20 mi66 minN 08.00 miPartly Cloudy60°F59°F96%1016.5 hPa
Fort Myers, Page Field, FL23 mi66 minN 010.00 miFair65°F62°F90%1016.1 hPa

Wind History from PGD (wind in knots)
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Last 24hrNE3N3NE3CalmSE3E65SE5SE6S5W8W11W11W9W8W7W5NW5NW5NW4N6CalmCalmCalm
1 day agoNE3NE4NE4E5E8E9E10E8E9SE7
G15
E86E5SE3E6E7E6SE4SE4E5SE3SE3CalmSE5
2 days agoNE4NE4CalmNE3NE8NE9NE8SE7NE6564W9SW7SW5NE8NW3N3N4NE4E3E3E3Calm

Tide / Current Tables for Port Boca Grande, Charlotte Harbor, Florida
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Port Boca Grande
Click for Map
Tue -- 12:41 AM EDT     Moonrise
Tue -- 07:04 AM EDT     0.79 feet High Tide
Tue -- 07:26 AM EDT     Sunrise
Tue -- 09:09 AM EDT     0.72 feet Low Tide
Tue -- 11:41 AM EDT     Moonset
Tue -- 04:44 PM EDT     1.58 feet High Tide
Tue -- 07:43 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.100.20.40.50.70.80.80.80.70.70.80.91.11.31.51.61.61.51.20.90.60.30.1

Tide / Current Tables for Boca Grande Pass, Charlotte Harbor, Florida Current
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Boca Grande Pass
Click for Map
Tue -- 12:41 AM EDT     Moonrise
Tue -- 01:21 AM EDT     0.00 knots Slack
Tue -- 04:32 AM EDT     1.67 knots Max Flood
Tue -- 07:26 AM EDT     Sunrise
Tue -- 10:28 AM EDT     0.21 knots Min Flood
Tue -- 11:41 AM EDT     Moonset
Tue -- 03:05 PM EDT     1.86 knots Max Flood
Tue -- 06:05 PM EDT     -0.00 knots Slack
Tue -- 07:43 PM EDT     Sunset
Tue -- 10:19 PM EDT     -2.16 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-1.3-0.30.61.31.61.61.41.10.80.40.20.20.51.11.61.91.610.1-0.8-1.5-1.9-2.1-2.1

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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Wind Forecast for Tampa Bay, FL (5,6,7,8)
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Ground Weather Radar Station Tampa Bay Area, 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.