Sunday, January21, 2018 L-36.com


Marine Weather and Tides
South Highpoint, FL

Version 3.4
What's New / NOTES
6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported.
5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive.
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.

Sunrise 7:20AMSunset 6:04PM Sunday January 21, 2018 7:55 AM EST (12:55 UTC) Moonrise 10:16AMMoonset 10:15PM Illumination 23% 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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GMZ830 Tampa Bay Waters- 314 Am Est Sun Jan 21 2018
Today..East winds around 5 knots. Bay and inland waters smooth.
Tonight..East winds around 10 knots. Bay and inland waters a light chop.
Monday..East winds around 10 knots then becoming south in the afternoon. Bay and inland waters a light chop.
Monday night..South winds around 5 knots then becoming around 10 knots in the late evening and overnight. Bay and inland waters a light chop. Areas of sea fog after midnight. A chance of showers after midnight.
Tuesday..Southwest winds around 5 knots then becoming west around 10 knots early in the afternoon, then becoming northwest late in the afternoon. Bay and inland waters a light chop. A chance of showers in the morning. Areas of sea fog.
Tuesday night..North winds 5 to 10 knots then becoming northeast around 15 knots toward morning. Bay and inland waters a moderate chop.
Wednesday..Northeast winds around 15 knots. Bay and inland waters a moderate chop.
Wednesday night..Northeast winds around 15 knots. Bay and inland waters a moderate chop.
Thursday..Northeast winds around 15 knots. Bay and inland waters a moderate chop.
GMZ800 Synopsis For The Coastal Waters From Bonita Beach To Suwannee River- 314 Am Est Sun Jan 21 2018
Synopsis.. With surface high pressure to our north, winds will generally be out of the northeast between 5-15 knots before taking an onshore component near the coast in the afternoon due to the development of a weak seabreeze. No headlines are expected over the next several days. Winds will veer to the southeast on Monday and Tuesday ahead of an approaching cold front. Due to cold sea surface temperatures, increasing moisture ahead of the front will create the possibility for sea fog, especially Monday night into Tuesday. Later in the work week, easterly winds will increase to possible cautionary/advisory levels as a north oriented pressure gradient tightens.

7 Day Forecast for Marine Location Near South Highpoint, FL
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location: 27.94, -82.72     debug


Area Discussion for - Tampa Bay, FL
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Fxus62 ktbw 211132
afdtbw
area forecast discussion
national weather service tampa bay ruskin fl
632 am est Sun jan 21 2018

Aviation
MainlyVFR but brief MVFR ceilings through 14z can't be
ruled out. Fog may become an issue for Monday after 09z.

Prev discussion issued 336 am est Sun jan 21 2018
short term (today - Monday)...

mid-level shortwave trough the helped enhance cloud cover
across the region Saturday will quickly move east of the
area today. As it does so, skies will clear behind it with
mostly sunny skies expected by the afternoon. Clouds will
linger however for the remainder of the early morning hours
with perhaps a few sprinkles light showers possible... Especially
across the nature coast. By the afternoon, temperatures
will climb into the middle to upper 70s over most of the
region. Easterly winds should be strong enough to keep the
sea breeze offshore for most of the day, but a late-afternoon
wind shift is possible, and this would result in a rapid
drop of temperatures right at the beaches. Overnight lows
will be quite mild tonight as our airmass will continue to
warm and moisten with lows ranging from 50 to 60.

As we get into Monday, winds will become more southerly
during the day as a frontal system moves closer to the
region. Dewpoints will climb into the 60s setting the stage
for a potential sea fog event over the cooler gulf waters.

Over land, it will be warm and rather muggy with highs in
the upper 70s to lower 80s across the area. Looks like we
will remain dry Monday but that will change as we move into
Tuesday.

Long term (Monday night - Saturday)...

our next cold front will be slowly approaching the region
along the northern gulf coast Monday night into early
Tuesday. By this time we will most likely see a band of
showers embedded storms ahead of the front. Quite a few
indications in the large scale pattern to support the idea
that this band of convection will be weakening and becoming
less organized as it nears our area early Tuesday morning.

Almost all the large scale forcing for ascent stays to our
north... In fact... Our heights are neutral to even slightly
trying to rise during the day Tuesday. Any showers will need
to be supported by the lower focus ahead of the front... And
this will be weak itself. Therefore... We can expect a few
showers to pass through the region Tuesday, but with only
minor rainfall accumulation... And overall short duration of
actual precipitation.

Thinking the greatest forecast concern for Monday night into
Tuesday will be the potential for areas of dense sea fog
over the NE gulf of mexico. Ssts are quite cool after last
weeks arctic intrusion... And we will see a decent influx of
warmer more humid air ahead of the next cold front to
interact with these cooler surface waters. As the front gets
closer and winds shift more south or southwest... Some of
this sea fog could migrate onshore... Impacting travel and
aviation interests near the coast.

Showers will shift south of our counties by Tuesday
night... With a cooler and drier airmass filtering into the
region behind the front. The airmass arriving behind this
front is nothing like the one that arrived behind last
week's cold front... And we are currently not expecting any
sub-freezing temperatures... Or even frost potential... Even
in our far northern nature coast zones. It will get cool
behind this front... Not cold.

Depending on just where the front stalls to our south... A few
sprinkles or showers can not be ruled out down toward fort
myers from time to time during the middle of the week... But
nothing heavy or persistent. Thursday and Friday are shown
by all global guidance to have the florida peninsula under
stacked ridging... Which will keep our weather day... With the
beginnings of a warming trend.

The trend for next weekend in the global ensemble runs
recently has been for a later and later arrival of our
next weather producer. As it stands now... Much... If not all
of Saturday is looking dry across west-central and southwest
florida. Only exception might be up toward the northern
nature coast with a few showers possible late in the day.

Otherwise... It is looking mostly cloudy... But generally
dry... Warm... And breezy. Chances for rain thunderstorms will
then increase Saturday night into Sunday. Global guidance
is in reasonably good agreement with this system for it
being so far in the future. This early agreement adds some
confidence in the feature amplitudes and timing. Therefore,
the second half of the weekend should have a good shot at
seeing a passing band of convection... Followed by a cooler
and drier airmass arriving for early next week.

Aviation...

predominantVFR conditions expected through the forecast
period. Could see some brief MVFR vsbys at lal and pgd with
some patchy fog but confidence is low. Light and variable
winds continue overnight but will become east to southeast
in the 6-10 kt range after daybreak.

Marine...

with surface high pressure to our north, winds will
generally be out of the northeast between 5-15 knots
before taking an onshore component near the coast in the
afternoon due to the development of a weak seabreeze. No
headlines are expected over the next several days... Winds
will veer to the southeast on Monday and Tuesday ahead of an
approaching cold front. Due to cold sea surface
temperatures, increasing moisture ahead of the front will
create the possibility for sea fog, especially Monday night
into Tuesday. Later in the work week, easterly winds will
increase to possible cautionary advisory levels as a north
oriented pressure gradient tightens.

Fire weather...

high pressure north of florida will move east into the
atlantic while a cold front will approach the region Monday
night and move through the area on Tuesday. Some showers
may accompany the front, then gusty northeast winds will
follow in its wake. Rh values remain above critical levels
through the forecast period limiting fire weather concerns.

Preliminary point temps pops
Tpa 75 59 76 63 0 0 10 40
fmy 79 60 80 63 10 0 10 20
gif 76 58 80 63 0 10 10 20
srq 76 58 75 62 0 0 10 30
bkv 75 54 79 60 10 0 10 40
spg 73 60 75 61 0 0 10 40

Tbw watches warnings advisories
Fl... None.

Gulf waters... None.

Aviation... Jillson


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
CWBF1 - 8726724 - Clearwater Beach, FL 6 mi37 min E 4.1 G 7 58°F 54°F1023.2 hPa
OPTF1 - 8726607 - Old Port Tampa, FL 11 mi37 min NE 2.9 G 6 58°F 56°F1023.1 hPa
SAPF1 - 8726520 - St. Petersburg, FL 13 mi43 min NNE 4.1 G 5.1 57°F 56°F1022.5 hPa
CLBF1 14 mi61 min ENE 2.9 G 7 60°F 1022 hPa
TPAF1 - 8726694 - TPA Cruise Terminal 2, Tampa, FL 15 mi49 min N 4.1 G 6
FHPF1 - Fred Howard Park, FL 15 mi61 min Calm G 0 56°F 1023.9 hPa
MCYF1 16 mi37 min 58°F
TSHF1 - 8726667 - East Bay Causeway, FL 16 mi43 min NNE 4.1 G 6
MTBF1 20 mi37 min E 7 G 7 56°F 1023 hPa
PMAF1 22 mi37 min 56°F 57°F1022.7 hPa
42098 27 mi25 min 56°F1 ft

Wind History for Clearwater Beach, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
St. Petersburg/Clearwater Airport, FL3 mi62 minENE 410.00 mi57°F53°F87%1023.1 hPa
Tampa, Tampa International Airport, FL10 mi62 minENE 410.00 miMostly Cloudy60°F51°F72%1023.3 hPa
Macdill Air Force Base, Fl., FL12 mi59 minE 610.00 miOvercast55°F51°F88%1023.3 hPa
Albert Whitted Airport, FL13 mi62 minENE 410.00 miFair57°F53°F87%1022.4 hPa
Tampa, Peter O Knight Airport, FL14 mi60 minENE 710.00 miPartly Cloudy55°F51°F88%1023.4 hPa
Tampa, Vandenberg Airport, FL20 mi60 minN 010.00 miOvercast55°F51°F88%1023.7 hPa

Wind History from PIE (wind in knots)
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Last 24hrNE5N4NE43E3N3N3CalmCalmCalmNW5N4--N3N5N3CalmN6N5NE5N4NE3N4E4
1 day agoNE8NE6E6NE4N3N3N5N5N4NW8NW9N5N4N6N6NE5NE4NE6NE4NE5NE6NE3NE4N4
2 days agoNE10N8NE9N764NE5NE3NW11NW11NW8N10N8N8N8N7N6NE6NE4NE5NE5NE6NE7NE5

Tide / Current Tables for Bay Aristocrat Village, Old Tampa Bay, Florida
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Bay Aristocrat Village
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Sun -- 04:36 AM EST     2.23 feet High Tide
Sun -- 07:22 AM EST     Sunrise
Sun -- 10:16 AM EST     Moonrise
Sun -- 12:20 PM EST     -0.39 feet Low Tide
Sun -- 06:02 PM EST     Sunset
Sun -- 06:14 PM EST     1.70 feet High Tide
Sun -- 10:15 PM EST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.91.21.61.92.22.221.71.20.70.2-0.2-0.4-0.300.61.11.51.71.71.51.310.8

Tide / Current Tables for Old Tampa Bay Entrance (Port Tampa), Florida Current
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Old Tampa Bay Entrance (Port Tampa)
Click for Map
Sun -- 02:28 AM EST     0.98 knots Max Flood
Sun -- 05:09 AM EST     -0.00 knots Slack
Sun -- 07:21 AM EST     Sunrise
Sun -- 08:46 AM EST     -1.27 knots Max Ebb
Sun -- 10:15 AM EST     Moonrise
Sun -- 12:28 PM EST     0.00 knots Slack
Sun -- 03:21 PM EST     1.07 knots Max Flood
Sun -- 06:01 PM EST     Sunset
Sun -- 06:49 PM EST     -0.00 knots Slack
Sun -- 09:40 PM EST     -0.77 knots Max Ebb
Sun -- 10:15 PM EST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.10.60.90.90.60.1-0.4-0.9-1.2-1.3-1.1-0.7-0.30.30.8110.70.4-0.1-0.5-0.7-0.8-0.6

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 (7,2,3,4)
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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.