Friday, March24, 2017 L-36.com


Marine Weather and Tides
Yankee, 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 7:25AMSunset 7:43PM Friday March 24, 2017 10:11 AM EDT (14:11 UTC) Moonrise 4:10AMMoonset 3:29PM Illumination 10% Phase: Waning Crescent; Moon at 27 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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GMZ850 Coastal Waters From Tarpon Springs To Suwannee River Fl Out 20 Nm- 943 Am Edt Fri Mar 24 2017
This afternoon..East winds around 15 knots diminishing to 5 to 10 knots in the afternoon. Seas 2 feet. Bay and inland waters a moderate chop.
Tonight..East winds around 15 knots. Seas 2 feet. Bay and inland waters a moderate chop.
Saturday..East winds around 10 knots then becoming northeast in the afternoon. Seas 2 feet. Bay and inland waters a light chop.
Saturday night..North winds around 10 knots then becoming southeast after midnight. Seas 2 feet. Bay and inland waters a light chop.
Sunday..Southeast winds around 10 knots then becoming southwest in the afternoon. Seas 2 feet. Bay and inland waters a light chop.
Sunday night..Northwest winds around 10 knots then becoming east after midnight. Seas 2 feet or less. Bay and inland waters a light chop.
Monday..Southeast winds around 10 knots then becoming southwest around 5 knots in the afternoon. Seas 2 feet or less. Bay and inland waters a light chop.
Monday night..Northwest winds around 10 knots then becoming northeast around 5 knots after midnight. Seas 2 feet or less. Bay and inland waters a light chop.
Tuesday..Southeast winds around 5 knots then becoming southwest around 10 knots 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- 943 Am Edt Fri Mar 24 2017
Synopsis..Strong high pressure off the mid-atlantic coast ridges southwestward across the waters...with some robust winds offshore that decrease in the afternoon. The high moves east over the atlantic through the weekend...with a relaxing gradient that allows winds to diminish and veer.

7 Day Forecast for Marine Location Near Yankee, FL
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location: 29.16, -82.81     debug


Area Discussion for - Tampa Bay, FL
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Fxus62 ktbw 241209
afdtbw
area forecast discussion
national weather service tampa bay ruskin fl
809 am edt Fri mar 24 2017

Aviation
Vfr conditions will prevail at all terminals for next 24 hours.

Easterly winds will increase to between 10 and 15 knots with gusts
to around 25 knots later this morning through late afternoon, then
diminish some this evening. No other aviation impacts are
expected at this time.

Prev discussion /issued 330 am edt Fri mar 24 2017/
short term (today - Saturday)...

an amplified upper level pattern continues over the conus. A closed
upper low sits over the oklahoma panhandle, while upper level
ridging extends from the gulf of mexico northeastward through the
ohio river valley. Another area of upper troughing sits over the
bahamas and cuba. This pattern shifts east through the end of the
week and into the weekend. On the surface, strong high pressure sits
just off the mid-atlantic coast and ridges southwest over florida.

This will keep an east-northeast wind flow and rain-free conditions
over florida through the end of the week and into the weekend.

Another area of high pressure develops in the northeast gulf of
mexico by late Saturday evening and will keep benign weather
conditions over the area. Temperatures will remain a few degrees
above normal with daytime highs in the upper 70s to low 80s and
overnight lows in the mid 50s to low 60s.

Long term (Sunday through next Thursday)...

a rather benign weather pattern in terms of sensible weather appears
ahead for the duration of the long term forecast period. Closed low
over the middle ms valley, with southern trough extension down to
the northern gulf coast will slowly approach later Saturday into
Saturday night. However... The southern extent of this energy is
shown by all global guidance to rapidly shear/stretch out as it
reaches the eastern gulf of mexico. Weakening support for synoptic
lift... With meager height falls at best... Along with plenty of
residual dry air... Suggests we see little more than an increase in
mid/high clouds by Sunday morning. Can a few light showers still be
left to move ashore with this feature? Sure... Can not completely
rule it out, but chances/coverage/impact appear low enough to leave
rain mention out of the forecast at this time. With whatever is left
of the trough axis passing by toward midday... The peak of diurnal
heating and sea-breeze development will be beneath increasing nva,
keeping chances for isolated showers very low.

We repeat the entire pattern during the early portion of the week.

With the fast moving pattern... Upper ridging again builds over the
peninsula for Monday... Followed quickly by another approaching
shortwave along the northern gulf coast Monday night. This shortwave
looks to take most of its large scale forcing to the north of our
region... And any forcing that does exert influence this far south
will again be fighting considerable dry air. Once again... Perhaps an
isolated and brief shower, but coverage will stay very low and best
to keep rain mention of the forecast.

Upper ridging returns by Tuesday night... And amplifies further
Wednesday and Wednesday night in response to yet another significant
trough/strong height falls over the southern plains/lower ms valley.

Following its predecessors... This system will begin to shear off to
the northeast before reaching our forecast area. Since we are now
talking about 7 days out... Details are difficult to forecast. Some
indication in the global ensembles that this system may have more
promise for shower coverage Thursday night or Friday (especially
north of the i-4 corridor). Plenty of time to watch and adjust the
forecast.

Temperatures for the majority of the long term period will feature
seasonable numbers. Low temperatures in the upper 50s and 60s. High
temperatures in the 80s inland and upper 70s to near 80 at the
beaches. Sea-breezes most days will drop temps back to the middle
70s at the beaches for the middle/late afternoon hours.

Marine... Strong high pressure off the mid-atlantic coast
ridges southwest over the area. Gusty east-northeast winds
will continue through the early morning and a small craft
advisory remains in effect until 5 am for the outer coastal
waters from bonita beach to suwannee river. Winds will
gradually diminish by the afternoon and will remain around
10-15 knots through the evening. The high shifts southeast
by Sunday which will allow for the winds to veer to the
southeast and will still remain around 10-15 knots. Winds
will be variable at 5-10 knots for the start of next week
through mid week as another area of high pressure sets up in
the eastern half of the gulf of mexico.

Fire weather...

relative humidity values will remain above any critical fire weather
threshold through the period as high pressure advects abundant
moisture over the area. Winds are expected to remain below 15 mph as
well and no other fire weather concerns are anticipated through the
weekend and into next week.

Preliminary point temps/pops
Tpa 80 63 81 63 / 0 0 10 10
fmy 83 62 83 61 / 10 0 20 10
gif 80 60 82 61 / 10 10 10 0
srq 81 61 80 62 / 0 0 10 10
bkv 80 57 83 58 / 0 0 10 10
spg 78 65 79 65 / 0 0 10 10

Tbw watches/warnings/advisories
Fl... None.

Gulf waters... None.

Aviation... 69/close
prev discussion... 74/wynn & 14/mroczka


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
CDRF1 - Cedar Key, FL 12 mi71 min ENE 13 G 15 62°F 1028.2 hPa (+1.1)56°F
ARPF1 - APK - Aripeka, FL 51 mi137 min E 5.1 G 8.9 60°F 1026.3 hPa
KTNF1 - Keaton Beach, FL 62 mi71 min ENE 6 G 8.9 58°F 1028.2 hPa (+1.2)

Wind History for Cedar Key, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Crystal River Airport, FL24 mi16 minE 9 G 1410.00 miFair70°F55°F60%1028.1 hPa

Wind History from CGC (wind in knots)
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E8E6NE7E6E5E6E5NE4CalmCalmCalmE3E7
1 day agoW10W9NW7W10
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W8W10W8W4W5W5NE4CalmCalmCalmCalmCalmCalmCalmCalmNE4NE5E7
2 days agoCalmW6W7--W8
G15
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W10W7W6CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmW8

Tide / Current Tables for Withlacoochee River entrance, Florida
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Withlacoochee River entrance
Click for Map
Fri -- 05:09 AM EDT     Moonrise
Fri -- 07:24 AM EDT     -0.01 feet Low Tide
Fri -- 07:29 AM EDT     Sunrise
Fri -- 01:08 PM EDT     2.69 feet High Tide
Fri -- 04:28 PM EDT     Moonset
Fri -- 07:31 PM EDT     0.97 feet Low Tide
Fri -- 07:44 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
2.92.62.31.81.20.70.200.10.51.11.92.42.72.62.421.61.2111.422.6

Tide / Current Tables for Cedar Key, Way Key, Florida
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Cedar Key
Click for Map
Fri -- 05:10 AM EDT     Moonrise
Fri -- 06:29 AM EDT     -0.03 feet Low Tide
Fri -- 07:30 AM EDT     Sunrise
Fri -- 01:01 PM EDT     2.94 feet High Tide
Fri -- 04:29 PM EDT     Moonset
Fri -- 06:36 PM EDT     1.01 feet Low Tide
Fri -- 07:46 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
3.12.82.21.60.90.3000.30.91.62.32.82.92.82.41.91.41.111.31.92.53.1

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 Tampa Bay, FL (10,2,3,4)
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Ground Weather Radar Station Tampa Bay Area, FL
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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.