Monday, May20, 2019 L-36.com


Marine Weather and Tides
Madeira Beach, 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 6:37AMSunset 8:17PM Monday May 20, 2019 10:27 AM EDT (14:27 UTC) Moonrise 9:13PMMoonset 7:08AM Illumination 98% Phase: Waning Gibbous; Moon at 16 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- 352 Am Edt Mon May 20 2019
Today..East winds around 5 knots gradually becoming northwest around 10 knots in the afternoon. Bay and inland waters a light chop. Isolated showers in the afternoon.
Tonight..North winds around 10 knots becoming east late in the evening and then southeast after midnight. Bay and inland waters a light chop. Isolated Thunderstorms in the evening.
Tuesday..South winds around 5 knots then becoming west around 10 knots in the afternoon. Bay and inland waters a light chop.
Tuesday night..Northwest winds around 5 knots then becoming southeast after midnight. Bay and inland waters smooth.
Wednesday..Northeast winds around 10 knots. Bay and inland waters a light chop.
Wednesday night..East winds around 15 knots. Bay and inland waters a moderate chop.
Thursday..East winds around 15 knots. Bay and inland waters a moderate chop.
Thursday night..East winds around 15 knots. Bay and inland waters a moderate chop.
Friday..East winds around 15 knots. Bay and inland waters a moderate chop.
GMZ800 Synopsis For The Coastal Waters From Bonita Beach To Suwannee River- 352 Am Edt Mon May 20 2019
Synopsis.. High pressure will continue to dominate our weather pattern through the week with dry conditions expected over the waters with the exception of a shower/storm possible around bays and nearshore waters this evening. Winds will take an onshore westerly component during the afternoon as the sea breeze develops and pushes inland. Average winds in the lowest 10k feet will increase out of the east by Wednesday into the weekend and this will help to keep the sea breeze pinned closer to the coast. Easterly surges will also begin Wednesday night, resulting in offshore winds approaching cautionary levels for several nights.


7 Day Forecast for Marine Location Near Madeira Beach, FL
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location: 27.79, -82.78     debug


Area Discussion for - Tampa Bay, FL
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Fxus62 ktbw 201308
afdtbw
area forecast discussion
national weather service tampa bay ruskin fl
908 am edt Mon may 20 2019

Update
A mid level low over the bahamas this morning will drift
east the remainder of today as upper level ridging builds in
from the gulf. Surface high pressure from the atlantic across
the northern florida peninsula will maintain a light east
southeast wind flow across the forecast area with an onshore
sea breeze component developing along the coast during the
afternoon. Morning RAOB data shows a subtle increase in
moisture with a pw of 1.13 inches which is up just over a
quarter of an inch from yesterday at this time. This moisture
combined with daytime heating should support some isolated
to scattered shower and storm development along the inland
moving sea breeze boundaries during mid to late afternoon
which the latest hi-res convective guidance also suggests
with the highest chances across southwest florida where the
best moisture will reside. Temperatures today will be
similar to Sunday with highs again climbing into the lower
90s during the afternoon. Current forecast is in good shape
with no morning update required at this time.

Aviation
Vfr is expected at all terminal sites during the next 24
hours. East winds in the 5 to 7 knot range can be expected
except becoming west-northwest at 7 to 10 knots at the
coastal sites after 18z as the sea breeze component develops.

Some isolated to scattered shra tsra will be possible along
the inland moving sea breeze after 20z and will maintain
vcts at kpgd, kfmy, and krsw terminals with vcsh at klal for
now. Light variable winds can be expected at all terminals
after 02z tonight.

Marine
High pressure from the atlantic extending west-southwest
across the northern florida peninsula will maintain light
east-southeast winds and slight seas over the gulf waters
the remainder of today with an onshore sea breeze component
developing along the coast during the afternoon. Ongoing
forecast has a good handle on this, so no changes are
expected in the next forecast issuance around 10 am.

Tbw watches warnings advisories
Fl... None.

Gulf waters... None.

Update aviation marine... 57 mcmichael
upper air decision support... 27 shiveley


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
CLBF1 6 mi94 min E 2.9 G 6 78°F 1016.5 hPa
SAPF1 - 8726520 - St. Petersburg, FL 8 mi46 min E 5.1 G 7 80°F 82°F1017.5 hPa
CWBF1 - 8726724 - Clearwater Beach, FL 13 mi46 min ESE 5.1 G 6 80°F 84°F1017.4 hPa
MTBF1 13 mi40 min ESE 2.9 G 5.1 77°F 1017.4 hPa70°F
OPTF1 - 8726607 - Old Port Tampa, FL 13 mi40 min E 4.1 G 7 80°F 82°F1017.3 hPa
GCTF1 14 mi40 min 78°F 1017.3 hPa70°F
42098 16 mi28 min 81°F1 ft
PMAF1 16 mi46 min 80°F 83°F1017 hPa
MCYF1 21 mi40 min 83°F
TPAF1 - 8726694 - TPA Cruise Terminal 2, Tampa, FL 21 mi40 min ENE 4.1 G 6
TSHF1 - 8726667 - East Bay Causeway, FL 21 mi40 min ENE 2.9 G 5.1
FHPF1 - Fred Howard Park, FL 25 mi94 min ESE 4.1 G 6 79°F 1018 hPa
42013 - C10 - Navy-2 43 mi58 min ENE 5.8 78°F 80°F1017.4 hPa
ARPF1 - APK - Aripeka, FL 45 mi94 min E 2.9 G 6 1017.4 hPa

Wind History for St. Petersburg, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Albert Whitted Airport, FL8 mi35 minESE 610.00 miFair80°F70°F71%1016.8 hPa
St. Petersburg/Clearwater Airport, FL10 mi35 minE 510.00 miFair81°F71°F72%1017.1 hPa
Macdill Air Force Base, Fl., FL15 mi92 minE 510.00 miFair79°F69°F73%1017.6 hPa
Tampa, Tampa International Airport, FL18 mi35 minESE 410.00 miA Few Clouds83°F69°F63%1017.4 hPa
Tampa, Peter O Knight Airport, FL20 mi33 minSSE 510.00 miOvercast82°F71°F70%1017.6 hPa

Wind History from SPG (wind in knots)
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Last 24hr3NE3NE3E4E4--NE3E4N6NW9N7N7NE10NE6SE12SE10E9E7E5E6E7E6E7E6
1 day agoE4E3CalmNE3E8E6E5E6E9E8E10E13E19E19SE15SE13SE9SE13S11SE16SE13SE13SE12SE6
2 days agoE4E4NE4E3E4E5E4NE3E5SE7E9SE15SE13SE15SE12SE8SE9SE10SE9SE8SE7SE7E7E5

Tide / Current Tables for Johns Pass, Boca Ciega Bay, Florida
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.


Tide / Current Tables for Tampa Bay Entrance (Egmont Channel), Florida Current
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Tampa Bay Entrance (Egmont Channel)
Click for Map
Mon -- 01:51 AM EDT     1.62 knots Max Flood
Mon -- 06:03 AM EDT     -0.00 knots Slack
Mon -- 06:39 AM EDT     Sunrise
Mon -- 07:08 AM EDT     -0.16 knots Max Ebb
Mon -- 08:08 AM EDT     Moonset
Mon -- 08:15 AM EDT     0.00 knots Slack
Mon -- 12:21 PM EDT     1.41 knots Max Flood
Mon -- 03:11 PM EDT     -0.00 knots Slack
Mon -- 07:02 PM EDT     -2.30 knots Max Ebb
Mon -- 08:15 PM EDT     Sunset
Mon -- 10:12 PM EDT     Moonrise
Mon -- 11:23 PM EDT     0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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11.51.61.40.90.40-0.2-0.10.30.71.11.41.30.90.2-0.7-1.5-2.1-2.3-2.1-1.7-1-0.3

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.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
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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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.