Saturday, January18, 2020
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Marine Weather and Tides
St. Petersburg, FL

Version 3.4
NOTICE
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.

Sunrise 7:21AMSunset 6:00PM Saturday January 18, 2020 12:32 AM EST (05:32 UTC) Moonrise 1:28AMMoonset 1:04PM Illumination 45% Phase: Third Quarter Moon; Moon at 23 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- 812 Pm Est Fri Jan 17 2020
.small craft should exercise caution...
Rest of tonight..East winds 15 to 20 knots. Bay and inland waters a moderate chop.
Saturday..Southeast winds around 10 knots. Bay and inland waters a light chop.
Saturday night..Southeast winds around 5 knots. Bay and inland waters smooth.
Sunday..South winds around 5 knots then becoming west in the afternoon. Bay and inland waters smooth. A chance of showers and a slight chance of Thunderstorms.
Sunday night..North winds 5 to 10 knots increasing to around 15 knots after midnight. Bay and inland waters a moderate chop. A chance of showers and a slight chance of Thunderstorms in the evening, then a slight chance of showers after midnight.
Monday..North winds around 15 knots. Bay and inland waters a moderate chop.
Monday night..North winds around 15 knots. Bay and inland waters a moderate chop.
Tuesday..North winds around 15 knots. Bay and inland waters a moderate chop.
Tuesday night..Northeast winds around 15 knots. Bay and inland waters a moderate chop.
Wednesday..Northeast winds around 15 knots. Bay and inland waters a moderate chop.
GMZ800 Synopsis For The Coastal Waters From Bonita Beach To Suwannee River- 812 Pm Est Fri Jan 17 2020
Synopsis.. High pressure in place across the waters, with advisory level conditions over the outer waters and exercise caution conditions elsewhere through Saturday. Gradient expected to weaken Saturday night and Sunday with decreasing winds and seas. A cold front will push across the waters Sunday night with canadian high pressure building over the region in the wake of the front. Advisory level conditions will again be possible with gusty north winds through the early part of next week.


7 Day Forecast for Marine Location Near St. Petersburg, FL
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location: 27.77, -82.62     debug


Area Discussion for - Tampa Bay, FL
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FXUS62 KTBW 180102 AFDTBW

Area Forecast Discussion National Weather Service Tampa Bay Ruskin FL 802 PM EST Fri Jan 17 2020

UPDATE. Pleasant Friday evening under partly cloudy skies underway as stout ridging surface and aloft builds over the CONUS east of the Mississippi River. Latest surface analysis depicts frontal boundary that pushed south across the peninsula over the past 24 hours near the southern tip of the state, with increased easterly flow over Central and Southwest Florida courtesy of the surface ridging building in its wake. Winds over land will diminish somewhat during the overnight hours before shifting more southeasterly tomorrow in advance of the next frontal system set to impact the area Sunday into Monday.

Rain chances remain slim to none tonight and much of Saturday before cloud coverage increases from the west and northwest late Saturday along with rain chances returning for the Nature Coast Saturday night. Low temperatures tonight will range from the mid 50s north/interior to low 60s south/coastal followed by Saturday afternoon highs ranging from the mid 70s to around 80 areawide.

AVIATION. VFR conditions expected throughout period with easterly winds 10 to 15 knots early diminishing to 10 knots or less after 03Z. Winds shift/increase to southeast 10 to 15 knots after 15Z before again diminishing to 10 knots or less after 21Z.

Preliminary Point Temps/PoPs. TPA 61 78 64 75 / 0 0 10 50 FMY 61 80 60 80 / 0 0 0 10 GIF 60 78 61 78 / 10 0 0 50 SRQ 62 80 62 78 / 0 0 0 50 BKV 56 79 61 75 / 0 0 10 50 SPG 64 77 64 75 / 0 0 10 50

TBW WATCHES/WARNINGS/ADVISORIES. FL . None. Gulf waters . Small Craft Advisory until 10 AM EST Saturday for Waters from Bonita Beach to Englewood FL out 20 to 60 NM-Waters from Englewood to Tarpon Springs FL out 20 to 60 NM-Waters from Tarpon Springs to Suwannee River FL out 20 to 60 NM.



UPDATE/AVIATION . Hurt UPPER AIR . Rude DECISION SUPPORT . Flannery


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
SAPF1 - 8726520 - St. Petersburg, FL 1 mi50 min 68°F 71°F1027.9 hPa
CLBF1 4 mi98 min ENE 7 G 19 68°F 1027 hPa
GCTF1 5 mi50 min 68°F 1027.8 hPa57°F
OPTF1 - 8726607 - Old Port Tampa, FL 7 mi50 min 66°F 71°F1027.8 hPa
MTBF1 8 mi50 min 67°F 1027.8 hPa57°F
PMAF1 10 mi44 min 65°F 71°F1027.5 hPa
MCYF1 14 mi44 min 70°F
TPAF1 - 8726694 - TPA Cruise Terminal 2, Tampa, FL 15 mi62 min NE 6 G 7
TSHF1 - 8726667 - East Bay Causeway, FL 15 mi68 min NE 4.1 G 7
CWBF1 - 8726724 - Clearwater Beach, FL 18 mi50 min 67°F 70°F1027.7 hPa
42098 21 mi32 min 68°F3 ft
FHPF1 - Fred Howard Park, FL 28 mi98 min ENE 7 G 8.9 66°F 1029.2 hPa
VENF1 - Venice, FL 49 mi32 min ENE 13 G 19 66°F 70°F1026.4 hPa (-0.5)58°F

Wind History for St. Petersburg, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Albert Whitted Airport, FL1 mi39 minE 1810.00 miFair and Breezy68°F57°F70%1027.3 hPa
St. Petersburg/Clearwater Airport, FL10 mi39 minE 1010.00 miFair68°F57°F70%1027.7 hPa
Tampa, Peter O Knight Airport, FL14 mi37 minENE 610.00 miOvercast64°F59°F83%1028.1 hPa
Tampa, Tampa International Airport, FL15 mi39 minENE 710.00 miFair67°F53°F61%1027.9 hPa
Tampa, Vandenberg Airport, FL22 mi37 minENE 410.00 miOvercast61°F55°F83%1028.4 hPa

Link to 5 minute data for KSPG

Wind History from SPG (wind in knots)
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Last 24hrN9N6N7NE10NE14NE14NE15NE17NE18NE17E18E15E14E15E14E20E17E20E18E22E20
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1 day agoCalmCalmCalmCalmCalmN3N3N6N3E3NE7NE6NE7NE6N8N9NW9N9N7N7N7N7N7N11
G17
2 days agoNE3CalmN4CalmCalmCalmCalmSE3CalmCalmSE3S5S5SW5W6W8W8W6NW4NW4N5N5CalmCalm

Tide / Current Tables for St. Petersburg, Tampa 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 Old Tampa Bay Entrance (Port Tampa), Florida Current
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Old Tampa Bay Entrance (Port Tampa)
Click for Map
Sat -- 12:48 AM EST     -1.05 knots Max Ebb
Sat -- 01:27 AM EST     Moonrise
Sat -- 04:38 AM EST     0.00 knots Slack
Sat -- 07:22 AM EST     Sunrise
Sat -- 07:24 AM EST     0.72 knots Max Flood
Sat -- 10:38 AM EST     -0.00 knots Slack
Sat -- 12:55 PM EST     -0.39 knots Max Ebb
Sat -- 01:03 PM EST     Moonset
Sat -- 03:24 PM EST     0.00 knots Slack
Sat -- 05:59 PM EST     Sunset
Sat -- 06:31 PM EST     0.82 knots Max Flood
Sat -- 09:37 PM EST     -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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-1-1-1-0.7-0.30.20.50.70.70.50.2-0.1-0.3-0.4-0.3-0.10.20.60.80.80.60.3-0.2-0.6

Weather Map
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wmap_A
GEOS 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 (0,6,7,8)
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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 numerous 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.