Saturday, March25, 2017 L-36.com


Marine Weather and Tides
Memphis, 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 7:45PM Saturday March 25, 2017 9:41 AM EDT (13:41 UTC) Moonrise 4:50AMMoonset 4:28PM Illumination 4% Phase: Waning Crescent; Moon at 28 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- 349 Am Edt Sat Mar 25 2017
Today..East winds around 10 knots then becoming southeast in the afternoon. Bay and inland waters a light chop.
Tonight..Northwest winds around 5 knots then becoming east around 10 knots after midnight. Bay and inland waters a light chop.
Sunday..East winds around 5 knots then becoming southwest around 10 knots in the afternoon. Bay and inland waters a light chop.
Sunday night..North winds around 10 knots then becoming east after midnight. Bay and inland waters a light chop.
Monday..East winds around 5 knots then becoming northwest around 10 knots in the afternoon. Bay and inland waters a light chop.
Monday night..Northwest winds around 10 knots then becoming east around 5 knots after midnight. Bay and inland waters a light chop.
Tuesday..Southeast winds around 5 knots then becoming southwest in the afternoon. Bay and inland waters smooth.
Tuesday night..Northwest winds around 5 knots then becoming northeast after midnight. Bay and inland waters smooth.
Wednesday..Southeast winds around 5 knots then becoming south in the afternoon. Bay and inland waters smooth.
GMZ800 Synopsis For The Coastal Waters From Bonita Beach To Suwannee River- 349 Am Edt Sat Mar 25 2017
Synopsis..Strong high pressure near bermuda ridges west-southwest over the area. Winds will remain east-southeast at 10-15 knots early Saturday, then becoming variable at 5-10 knots by Saturday evening. Winds will be remain 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. No other marine impacts expected.

7 Day Forecast for Marine Location Near Memphis, FL
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location: 27.64, -82.56     debug


Area Discussion for - Tampa Bay, FL
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Fxus62 ktbw 250734
afdtbw
area forecast discussion
national weather service tampa bay ruskin fl
334 am edt Sat mar 25 2017

Short term (today - Sunday)
An amplified upper level pattern continues over the conus. A closed
upper low sits over eastern oklahoma, while upper level ridging
extends from the northeast gulf of mexico, over florida and
into the western atlantic. Another closed low sits over the
bahamas and cuba. This pattern shifts east through the
weekend. On the surface, strong high pressure near bermuda
ridges southwest over florida. This will keep an east-
southeast wind flow and rain-free conditions over florida
through 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 (Monday through next Friday)
Have seem little change in the ensemble guidance during the past day
with respect to the synoptic pattern evolution over the southeast
conus through the majority of the long term period. For at least the
Monday through Thursday period the pattern remains rather benign in
terms of sensible weather.

Monday will find the florida peninsula residing under stacked
mid/upper level ridging... While surface ridging extends down the
atlantic seaboard into the eastern gulf of mexico. Available
moisture region-wide is shallow (10kft or less) presenting
significant challenge to sea-breeze convection potential. Shortwave
energy will be moving along the northern gulf coast during
Monday... However global guidance ensembles are in good agreement
that the best synoptic support/qvector convergence ahead of this
trough will pass to our north. Perhaps the closer proximity to this
support to help a shower or two across far northern areas (northern
sumter/inland levy county) during the evening hour, but even this is
a long shot.

With a fast and progressive pattern... This shortwave will pass off
to our east Monday night and the area will once again return to
stacked ridging for Tuesday through Thursday. Other than a very
isolated sea-breeze shower (again a long shot)... The forecast
remains dry and rather warm. Inland locations are likely to rise
well into the 80s much of next week... While the beaches make a run
at 80 degrees before dropping back into the mid/upper 70s with the
onset of the afternoon sea-breeze.

The next significant pattern amplification will emerge from the
central plains later Thursday and then along the northern gulf coast
Thursday night. Forecast confidence begins to decline at this
point... As ensemble spread rapidly increases with respect to the
evolution of this system. The GFS and its ensembles are become more
aggressive with the potential for rainfall on Friday (especially
northern half of the region) due to stronger shortwave energy
remaining over the gulf. The ECMWF pivots this system rapidly
northeastward... Resulting in little to no height falls over the
peninsula Friday. This ECMWF solution has much more support from the
00z canadian solution... And therefore will be leaning the forecast
toward these less aggressive and drier solutions. Will introduce
some low pops Friday/Friday night... However keeping rain chances
conservative with the majority of solutions still keeping best
moisture and lift to our north.

Aviation
Vfr at all terminals next 24 hours. Generally easterly winds will
give way to a sea breeze turning winds onshore near the coast
Saturday afternoon, most likely at ktpa, kpie, and ksrq. No other
aviation impacts expected.

Marine
Strong high pressure near bermuda ridges west-southwest over the
area. Winds will remain east-southeast at 10-15 knots early
Saturday, then becoming variable at 5-10 knots by Saturday evening.

Winds will be remain 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. No other marine impacts
expected.

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 81 65 81 64 / 10 10 10 0
fmy 83 63 83 62 / 30 30 10 10
gif 83 62 83 62 / 10 10 20 10
srq 80 62 79 63 / 10 10 10 0
bkv 82 59 83 58 / 10 0 10 10
spg 80 66 80 65 / 10 10 10 0

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

Gulf waters... None.

Short term/aviation/marine/fire weather... 74/wynn
long term/decision support... 14/mroczka


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PMAF1 0 mi42 min 64°F 69°F1022.5 hPa (+1.7)
MTBF1 2 mi42 min ESE 8.9 G 9.9 64°F 1023.6 hPa (+1.7)59°F
SAPF1 - 8726520 - St. Petersburg, FL 9 mi42 min ENE 6 G 7 67°F 71°F1023.1 hPa (+1.8)
CLBF1 10 mi108 min E 5.1 G 9.9 67°F 1021.6 hPa
OPTF1 - 8726607 - Old Port Tampa, FL 15 mi42 min E 4.1 G 8 67°F 70°F1023.6 hPa (+1.7)
42098 20 mi42 min 68°F2 ft
MCYF1 20 mi42 min 70°F
TSHF1 - 8726667 - East Bay Causeway, FL 21 mi48 min E 1.9 G 4.1
TPAF1 - 8726694 - TPA Cruise Terminal 2, Tampa, FL 21 mi90 min NE 2.9 G 5.1
FHPF1 - Fred Howard Park, FL 38 mi108 min E 9.9 G 12 64°F 1022.6 hPa
42013 - C10 - Navy-2 38 mi132 min ESE 14 G 18 64°F 68°F
VENF1 - Venice, FL 40 mi42 min ENE 6 G 9.9 62°F 69°F1022.4 hPa (+1.1)59°F

Wind History for C-Cut, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
St. Petersburg Whitted Airport, FL10 mi49 minE 710.00 miFair66°F61°F84%1023.1 hPa
Macdill Air Force Base, Fl., FL15 mi44 minE 610.00 miFair65°F62°F93%1023.7 hPa
Sarasota / Bradenton, Sarasota-Bradenton International Airport, FL17 mi49 minE 610.00 miFair64°F57°F81%1022.6 hPa
St. Petersburg/Clearwater Airport, FL20 mi49 minESE 610.00 miFair68°F59°F73%1023.5 hPa
Tampa, Peter O Knight Airport, FL20 mi67 minE 510.00 miOvercast66°F62°F88%1023.7 hPa
Tampa, Tampa International Airport, FL23 mi49 minN 010.00 miOvercast67°F57°F73%1023.9 hPa

Wind History from SPG (wind in knots)
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Last 24hrE16E12E13E11E9E11E10E12E9E7E17E17E14E13E11E9SE9E10E10SE11SE11E10E10E7
1 day agoE9E5E8E9E11E9E11E14E21E17
G26
E16E21E20E19E17E15E17E15E13E13E12E13E14E16
2 days agoNW9NW6NW6
G16
N9N6N85NW8W8W10NW53W5W5NE9NE6N4NE5N4N4N3N4NE5NE9

Tide / Current Tables for Port Manatee, Tampa Bay, Florida
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Port Manatee
Click for Map
Sat -- 05:49 AM EDT     Moonrise
Sat -- 06:38 AM EDT     -0.16 feet Low Tide
Sat -- 07:28 AM EDT     Sunrise
Sat -- 01:09 PM EDT     1.42 feet High Tide
Sat -- 05:28 PM EDT     Moonset
Sat -- 06:22 PM EDT     0.64 feet Low Tide
Sat -- 07:44 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
1.81.71.410.50.1-0.1-0.100.30.711.31.41.41.210.80.70.70.91.21.41.7

Tide / Current Tables for Port Manatee, Tampa Bay, Florida Current
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Port Manatee
Click for Map
Sat -- 01:21 AM EDT     -0.00 knots Slack
Sat -- 05:04 AM EDT     -1.04 knots Max Ebb
Sat -- 05:50 AM EDT     Moonrise
Sat -- 07:28 AM EDT     Sunrise
Sat -- 08:27 AM EDT     0.00 knots Slack
Sat -- 11:49 AM EDT     1.04 knots Max Flood
Sat -- 03:09 PM EDT     -0.00 knots Slack
Sat -- 05:28 PM EDT     Moonset
Sat -- 05:41 PM EDT     -0.60 knots Max Ebb
Sat -- 07:44 PM EDT     Sunset
Sat -- 08:12 PM EDT     0.00 knots Slack
Sat -- 11:17 PM EDT     0.82 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.50.1-0.3-0.7-0.9-1-1-0.7-0.20.30.7110.90.50.1-0.3-0.6-0.6-0.4-0.10.30.70.8

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 (9,2,3,4)
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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.