Wednesday, April1, 2020
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Marine Weather and Tides
Siesta Key, 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 7:18AMSunset 7:48PM Wednesday April 1, 2020 9:25 AM EDT (13:25 UTC) Moonrise 12:06PMMoonset 1:25AM Illumination 60% Phase: Waxing Gibbous; Moon at 8 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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GMZ853 Coastal Waters From Englewood To Tarpon Springs Fl Out 20 Nm- 411 Am Edt Wed Apr 1 2020
.small craft advisory in effect until 11 am edt this morning...
Today..North winds around 20 knots then becoming northwest 15 to 20 knots in the afternoon. Seas 4 to 6 feet. Bay and inland waters choppy.
Tonight..North winds 15 to 20 knots then becoming northeast after midnight. Seas 3 to 5 feet. Bay and inland waters a moderate chop.
Thursday..Northeast winds around 10 knots then becoming northwest in the afternoon. Seas 2 to 3 feet. Bay and inland waters a light chop.
Thursday night..North winds around 10 knots then becoming east after midnight. Seas 2 feet. Bay and inland waters a light chop.
Friday..East winds around 10 knots then becoming southwest around 5 knots in the afternoon. Seas 2 feet. Bay and inland waters a light chop.
Friday night..North winds around 10 knots then becoming east after midnight. Seas 2 feet or less. Bay and inland waters a light chop.
Saturday..Southeast winds around 10 knots then becoming southwest in the afternoon. Seas 2 feet or less. Bay and inland waters a light chop.
Saturday night..North winds around 5 knots then becoming east around 10 knots after midnight. Seas 2 feet or less. Bay and inland waters a light chop.
Sunday..Southeast winds around 10 knots. Seas 2 feet or less. Bay and inland waters a light chop.
GMZ800 Synopsis For The Coastal Waters From Bonita Beach To Suwannee River- 411 Am Edt Wed Apr 1 2020
Synopsis.. A cold front moves south over the waters today as high pressure builds in behind it...then tracks east during the rest of the week. This allows some initially robust to strong winds to diminish and slowly veer.


7 Day Forecast for Marine Location Near Siesta Key, FL
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location: 27.3, -82.57     debug


Area Discussion for - Tampa Bay, FL
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FXUS62 KTBW 011125 AFDTBW

Area Forecast Discussion National Weather Service Tampa Bay Ruskin FL 725 AM EDT Wed Apr 1 2020

AVIATION. VFR conditions with NNW winds around 8-12 knots expected through the day, then further decreasing by the end of the period. No other aviation impacts expected.

Prev Discussion. /issued 342 AM EDT Wed Apr 1 2020/

SHORT TERM (Today - Thursday) . A mid level trough from the lower Great Lakes to the Mid-Atlantic coast rotates off the coast by early Thu as ridging from northeast Mexico to the northern plains shifts east . reaching from the Gulf of Mexico to the Upper Midwest by late Thu At the surface. a low just off the VA/NC coast tracks toward New England coastal waters with a trailing cold front sweeping down FL . exiting to the south by this afternoon. Canadian high pressure stretching across the upper Great Lakes to the TX/northeast Mexico coast shifts into the eastern U.S. Thu.

A couple of broken lines of showers will cross and exit Charlotte and Lee counties during the rest of the overnight hours. A cold front currently in Levy county moves south today with clearing skies and cool dry air in it's wake. Temperatures will drop to below normal with the relative humidity very low. While winds on the Gulf waters will begin to diminish residual seas will create a high risk of rip currents through this evening.

LONG TERM (Thursday night - Tuesday) . High pressure surface and aloft will maintain pleasant dry weather with near seasonal level temperatures across the entire forecast area through Saturday. On Sunday a few showers (Pops 20%) will be possible as some upper level energy moves across the area within the anticyclonic flow aloft, otherwise dry weather with moderating temperatures and increasing humidity levels will be the rule into early next week as deep layered ridging rebuilds in over the Gulf and Florida in response to upper level troughing along the U.S. west coast. Low temperatures in the 50s early Friday morning will moderate back into the 60s through the remainder of the period, with daytime highs on Friday and into the weekend climbing into the lower to mid 80s, with upper 80s returning by early next week.

AVIATION . 01/06Z TAF cycle. Prevailing MVFR CIGS TIL 12-13Z as front pushes in with CU/SC. A narrow band of SHRA is approaching the southern most terminals with VCSH. AFT 12-13Z FEW-SCT gives way to SKC AFT 21Z W and NW winds. with gusts ending by 21-03Z.

MARINE . Scattered showers clear the southern waters around day break as a cold front sweeps in from the north. High pressure builds in behind the front then tracks east through the weekend. Robust to strong winds at advisory criteria will begin to diminish this morning to caution speeds. Winds continue to diminish and veer over the next few days as the high pressure moves by.

FIRE WEATHER . Showers exit to the south around sunrise as a front slides down the area today with cool dry air. Humidity values drop well below 35 percent for extended durations during the rest of the work week. While ERC values are high the winds do not reach Red Flag criteria speeds.

Preliminary Point Temps/PoPs. TPA 75 57 78 60 / 0 0 0 0 FMY 82 58 82 61 / 0 0 0 0 GIF 79 54 81 57 / 0 0 0 0 SRQ 76 57 78 61 / 0 0 0 0 BKV 75 48 79 53 / 0 0 0 0 SPG 75 60 78 62 / 0 0 0 0

TBW WATCHES/WARNINGS/ADVISORIES. FL . High Rip Current Risk through this evening for Coastal Charlotte- Coastal Hillsborough-Coastal Lee-Coastal Manatee-Coastal Sarasota-Pinellas.

Gulf waters . Small Craft Advisory until 11 AM EDT this morning for Coastal waters from Bonita Beach to Englewood FL out 20 NM-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 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.



AVIATION . 74/Wynn DECISION SUPPORT . 97/Flannery


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
VENF1 - Venice, FL 17 mi86 min NNW 25 G 30 71°F 79°F1009.9 hPa (+3.1)60°F
42013 - C10 - Navy-2 21 mi56 min NNW 19 G 25 69°F 75°F1011.2 hPa
PMAF1 23 mi56 min 66°F 75°F1010.5 hPa
MTBF1 25 mi56 min NNE 18 G 22 66°F 1010.7 hPa57°F
42098 28 mi56 min 76°F6 ft
CLBF1 31 mi92 min NNW 6 G 12 67°F 1009.7 hPa
GCTF1 33 mi56 min 65°F 1011 hPa55°F
OPTF1 - 8726607 - Old Port Tampa, FL 39 mi56 min NNE 8.9 G 12 64°F 80°F1011 hPa
MCYF1 43 mi56 min 83°F
TPAF1 - 8726694 - TPA Cruise Terminal 2, Tampa, FL 44 mi116 min N 8 G 12
TSHF1 - 8726667 - East Bay Causeway, FL 44 mi56 min NNE 8.9 G 13
CWBF1 - 8726724 - Clearwater Beach, FL 49 mi56 min NNW 20 G 24 67°F 79°F1011.1 hPa

Wind History for C-Cut, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Sarasota / Bradenton, Sarasota-Bradenton International Airport, FL7 mi33 minNNW 1110.00 miPartly Cloudy70°F55°F59%1010.2 hPa
Venice Municipal Airport, FL17 mi31 minNNW 14 G 2010.00 miA Few Clouds72°F57°F61%1010.8 hPa

Link to 5 minute data for KSRQ

Wind History from SRQ (wind in knots)
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1 day agoE6NE53W6W9W11W9W10W7W8W6NW3N4NW3NW3CalmCalmW4SW4SW6SW7SW6SW8SW10
2 days agoE8E9SE11S11
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SW14SW11SW13SW12SW10W6NW6W3CalmCalmCalmCalmSE5CalmCalmE3CalmSE3CalmE5

Tide / Current Tables for Sarasota, Sarasota Bay, Florida
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Sarasota
Click for Map
Wed -- 02:25 AM EDT     Moonset
Wed -- 02:35 AM EDT     -0.18 feet Low Tide
Wed -- 06:21 AM EDT     First Quarter
Wed -- 07:20 AM EDT     Sunrise
Wed -- 01:05 PM EDT     Moonrise
Wed -- 06:38 PM EDT     1.83 feet High Tide
Wed -- 07:47 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.2-0-0.2-0.2-00.20.40.70.80.911.11.21.31.41.41.61.71.81.81.71.51.10.8

Tide / Current Tables for Tampa Bay (Sunshine Skyway Bridge), Florida Current
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Tampa Bay (Sunshine Skyway Bridge)
Click for Map
Wed -- 02:26 AM EDT     Moonset
Wed -- 04:03 AM EDT     0.00 knots Slack
Wed -- 06:21 AM EDT     First Quarter
Wed -- 07:20 AM EDT     Sunrise
Wed -- 08:04 AM EDT     1.05 knots Max Flood
Wed -- 01:05 PM EDT     Moonrise
Wed -- 01:28 PM EDT     0.34 knots Min Flood
Wed -- 05:15 PM EDT     0.65 knots Max Flood
Wed -- 07:48 PM EDT     Sunset
Wed -- 08:09 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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-1.2-0.9-0.7-0.4-00.40.711.110.80.60.40.40.40.40.60.60.60.40.1-0.3-0.7-1

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 (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 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.