Thursday, February20, 2020
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Marine Weather and Tides
South Pasadena, 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 7:02AMSunset 6:26PM Thursday February 20, 2020 10:24 PM EST (03:24 UTC) Moonrise 5:13AMMoonset 3:53PM Illumination 7% 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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GMZ830 Tampa Bay Waters- 855 Pm Est Thu Feb 20 2020
.small craft advisory in effect from 7 am est Friday through late Friday night...
Rest of tonight..West winds 5 to 10 knots becoming northwest around 15 knots after midnight. Bay and inland waters a light to moderate chop. A chance of showers after midnight.
Friday..North winds around 20 knots. Bay and inland waters choppy.
Friday night..Northeast winds around 20 knots. Bay and inland waters choppy.
Saturday..Northeast winds 15 to 20 knots diminishing to around 15 knots in the afternoon. Bay and inland waters choppy.
Saturday night..Northeast winds around 15 knots diminishing to around 10 knots overnight. Bay and inland waters a light to moderate chop.
Sunday..Northeast winds around 10 knots. Bay and inland waters a light chop.
Sunday night..East winds around 10 knots. Bay and inland waters a light chop.
Monday..Southeast winds around 10 knots becoming south in the afternoon. Bay and inland waters a light chop.
Monday night..South winds around 10 knots increasing to around 15 knots overnight. Bay and inland waters a light to moderate chop.
Tuesday..South winds around 15 knots. Bay and inland waters a moderate chop. A slight chance of showers in the morning, then a chance of showers in the afternoon.
GMZ800 Synopsis For The Coastal Waters From Bonita Beach To Suwannee River- 855 Pm Est Thu Feb 20 2020
Synopsis..Boating conditions will deteriorate as a cold front moves across the waters tonight and early Friday bringing increasing winds and seas. Robust north to northeast winds are expected to produce advisory conditions late tonight into early Saturday, then winds and seas will subside for Sunday. Early next week southeast to south flow increases once again as high pressure moves out into the western atlantic ocean and the next storm system moves into the eastern states.


7 Day Forecast for Marine Location Near South Pasadena, FL
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location: 27.75, -82.75     debug


Area Discussion for - Tampa Bay, FL
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FXUS62 KTBW 210132 AFDTBW

Area Forecast Discussion National Weather Service Tampa Bay Ruskin FL 832 PM EST Thu Feb 20 2020

UPDATE. A cold front will move across the region tonight and early Friday accompanied by low clouds and a few showers and bringing an end to our stretch of warm and somewhat humid weather this week. Breezy northerly winds behind the boundary will usher in much cooler drier air Friday with temperatures about 15 to 25 degrees colder than today. The clouds will linger through much of the day in the cold advection pattern, but we should begin to see some breaks of sun return during the afternoon across the Nature Coast and eventually into the central Florida peninsula. Clouds will clear out Friday night as the flow becomes more northeasterly with temperatures dipping into the 30s across the Nature Coast and mostly 40s elsewhere. Winds will be slow to subside during the night though so not expecting to see any frost across the Nature Coast, but will have wind chill values fall into the upper 20s and lower 30s across the Nature Coast, and mid 30s to lower 40s elsewhere. Saturday should remain mostly sunny and cool with highs only climbing into the mid 60s north to lower 70s south.

AVIATION. IFR ceilings are expected to develop from north to south tonight as a cold front moves southward across the region. These ceilings will gradually improve from north to south during the late morning and afternoon hours Friday. A few showers will also be possible which could bring some brief MVFR visibilities. Westerly winds around 5 knots early tonight will shift to northerly at 10 to 15 knots and gusty behind the boundary late tonight and Friday.

MARINE. A cold front will move across the coastal waters tonight and early Friday followed by robust north to northeast winds into Saturday. Small Craft Advisories are out for late tonight into Friday night for the coastal waters and may need to be extended into early Saturday. Will update now to include Tampa Bay and Charlotte Harbor in the SCA for Friday and Friday night. Winds and seas will diminish for Sunday, but then increase once again early next week s high pressure moves out into the western Atlantic Ocean and the next storm system moves into the eastern states.

Preliminary Point Temps/PoPs. TPA 53 62 43 70 / 30 10 0 0 FMY 63 71 48 72 / 10 20 0 0 GIF 53 60 45 69 / 40 20 0 0 SRQ 56 66 46 72 / 20 10 0 0 BKV 48 60 38 69 / 40 10 0 0 SPG 55 63 45 70 / 20 10 0 0

TBW WATCHES/WARNINGS/ADVISORIES. FL . None. Gulf waters . Small Craft Advisory from 1 AM Friday to 4 AM EST Saturday for Coastal waters from Englewood to Tarpon Springs FL out 20 NM-Coastal waters from Tarpon Springs to Suwannee River FL out 20 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.

Small Craft Advisory from 7 AM Friday to 4 AM EST Saturday for Charlotte Harbor and Pine Island Sound-Coastal waters from Bonita Beach to Englewood FL out 20 NM-Tampa Bay waters- Waters from Bonita Beach to Englewood FL out 20 to 60 NM.



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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
CLBF1 4 mi90 min W 5.1 G 8 72°F 1017.5 hPa
SAPF1 - 8726520 - St. Petersburg, FL 7 mi54 min W 8 G 9.9 72°F 73°F1017.9 hPa
MTBF1 10 mi54 min WNW 8 G 8.9 72°F 1018.5 hPa70°F
GCTF1 12 mi54 min 73°F 1018.5 hPa69°F
OPTF1 - 8726607 - Old Port Tampa, FL 13 mi54 min W 6 G 7 72°F 75°F1018.2 hPa
PMAF1 13 mi54 min 72°F 76°F1018.2 hPa
42098 15 mi54 min 70°F1 ft
CWBF1 - 8726724 - Clearwater Beach, FL 16 mi54 min SW 5.1 G 6 72°F1018.4 hPa
MCYF1 21 mi54 min 76°F
TPAF1 - 8726694 - TPA Cruise Terminal 2, Tampa, FL 21 mi54 min Calm G 1.9
TSHF1 - 8726667 - East Bay Causeway, FL 21 mi54 min WSW 5.1 G 7
FHPF1 - Fred Howard Park, FL 28 mi90 min WNW 4.1 G 6 71°F 1018.8 hPa
42013 - C10 - Navy-2 41 mi54 min WSW 3.9 G 5.8 71°F 70°F1018.7 hPa
VENF1 - Venice, FL 49 mi24 min W 7 G 7 71°F 74°F1018.5 hPa (+1.0)71°F

Wind History for St. Petersburg, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Albert Whitted Airport, FL7 mi31 minW 810.00 miOvercast73°F70°F90%1017.6 hPa
St. Petersburg/Clearwater Airport, FL12 mi31 minW 510.00 miMostly Cloudy73°F70°F90%1018 hPa
Macdill Air Force Base, Fl., FL14 mi28 minWSW 410.00 miOvercast72°F68°F88%1018.2 hPa
Tampa, Tampa International Airport, FL19 mi31 minW 810.00 miMostly Cloudy73°F68°F84%1018.2 hPa
Tampa, Peter O Knight Airport, FL20 mi49 minW 310.00 miMostly Cloudy0°F0°F%1018.3 hPa

Link to 5 minute data for KSPG

Wind History from SPG (wind in knots)
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Last 24hrN5NE5NE7NE8NE9E8NE11E10E9E8E8S8S6S10S12
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1 day agoS3CalmCalmCalmNE3N5NE3NE5NE5NE5NE4N5N9NE8NE8N5N4N5N8N6N3N4N4N4
2 days agoN3NE4NE6E4NE6E4E4E4E3SE5SE5CalmCalmS7SE4S7SW8SW9W7SW6W4W3W3SW3

Tide / Current Tables for St. Petersburg Beach Causeway, Florida
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St. Petersburg Beach Causeway
Click for Map
Thu -- 05:12 AM EST     Moonrise
Thu -- 06:18 AM EST     -0.63 feet Low Tide
Thu -- 07:04 AM EST     Sunrise
Thu -- 01:26 PM EST     1.11 feet High Tide
Thu -- 03:53 PM EST     Moonset
Thu -- 04:36 PM EST     1.09 feet Low Tide
Thu -- 06:25 PM EST     Sunset
Thu -- 10:15 PM EST     1.86 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.41.10.70.2-0.2-0.5-0.6-0.6-0.300.40.811.11.11.11.11.11.21.41.61.71.91.8

Tide / Current Tables for Tampa Bay Entrance (Egmont Channel), Florida Current
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Tampa Bay Entrance (Egmont Channel)
Click for Map
Thu -- 03:27 AM EST     -1.87 knots Max Ebb
Thu -- 05:12 AM EST     Moonrise
Thu -- 07:04 AM EST     Sunrise
Thu -- 07:42 AM EST     0.00 knots Slack
Thu -- 10:52 AM EST     1.71 knots Max Flood
Thu -- 03:30 PM EST     -0.00 knots Slack
Thu -- 03:53 PM EST     Moonset
Thu -- 04:24 PM EST     -0.08 knots Max Ebb
Thu -- 05:21 PM EST     0.00 knots Slack
Thu -- 06:25 PM EST     Sunset
Thu -- 09:29 PM EST     1.00 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.5-1.2-1.6-1.8-1.8-1.6-1.2-0.50.211.61.71.510.50.1-0.1-00.10.40.7110.6

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 (22,6,7,8)
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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.