Saturday, January18, 2020
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Marine Weather and Tides
Indian Rocks Beach, 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 6:01PM Saturday January 18, 2020 5:25 PM EST (22:25 UTC) Moonrise 1:29AMMoonset 1:05PM Illumination 38% 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- 255 Pm Est Sat Jan 18 2020
Tonight..Southeast winds around 5 knots then becoming south around 10 knots after midnight. Bay and inland waters a light chop.
Sunday..South winds around 10 knots then becoming west in the afternoon. Bay and inland waters a light chop. A slight chance of showers early in the morning, then a chance of showers and a slight chance of Thunderstorms in the late morning and afternoon.
Sunday night..North winds around 15 knots. Bay and inland waters a moderate chop. A slight chance of showers in the evening.
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.
Wednesday night..Northeast winds around 15 knots diminishing to 5 to 10 knots after midnight. Bay and inland waters a moderate chop.
Thursday..East winds around 10 knots. Bay and inland waters a light chop.
GMZ800 Synopsis For The Coastal Waters From Bonita Beach To Suwannee River- 255 Pm Est Sat Jan 18 2020
Synopsis..A cold front will approach from the northwest tonight. The front will push across the waters Sunday and Sunday night with canadian high pressure building over the region in the wake of the front. Advisory level conditions will be possible with gusty north winds through the first half of next week.


7 Day Forecast for Marine Location Near Indian Rocks Beach, FL
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location: 27.89, -82.89     debug


Area Discussion for - Tampa Bay, FL
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FXUS62 KTBW 181743 AFDTBW

Area Forecast Discussion National Weather Service Tampa Bay Ruskin FL 1243 PM EST Sat Jan 18 2020

DISCUSSION. High pressure ridging across the area will continue to weaken as the center shifts east to over the Atlantic and a cold front approaches from the NW. Winds will continue to diminish from the SE/S and become light overnight. The front will move through the area Sunday/Sunday night bringing showers and a few storms with it. A secondary dry reinforcing front moves through the area Monday night. Colder and drier air moves into the area behind it as high pressure builds through mid-week. Tuesday and Wednesday mornings will see temperatures in the mid 30s Nature Coast and upper 30s inland to mid 40s coast central and south. Highs Monday will generally be in the 60s. Tuesday highs in the mid 50s to lower 60s, and in the 60s again for Wednesday afternoon. The warm- up continues from there through the rest of the week as high pressure continues to ridge across the area from the north, but an upper through over the Gulf Stream forms a weak trough at the surface just offshore of the FL east coast, and keeps winds elevated through Thursday. That moves off to the northeast Thursday night as an upper disturbance moves across the northern Gulf waters Friday and Saturday, causing a trough to form over the waters and lifting moisture and instability over the state for Friday night and Saturday. Will be monitoring this feature as it will likely evolve in the coming days, but have introduced pops for the end of the period.

AVIATION. VFR conditions are expected through the overnight hours. SE winds will be diminishing through the afternoon and become light after sunset. S/SE flow will be in place Sunday morning, with some showers possible at the northern terminals through the end of the period possibly causing some MVFR conditions.

MARINE. A cold front will be approaching the area tonight, then move through the waters Sunday and Sunday night bringing some showers and a few thunderstorms with it. Winds will increase to likely advisory levels behind the front and remain elevated through at least Wednesday as the pressure gradient remains tight with a trough over the Gulf Stream.

FIRE WEATHER. No concerns through Sunday. A cold front will move through the area Sunday/Sunday night, with cooler and drier air moving in as high pressure builds behind it. Humidities will approach critical values for Monday and Tuesday afternoons.

Preliminary Point Temps/PoPs. TPA 64 74 49 62 / 10 50 30 10 FMY 63 81 58 69 / 0 20 20 20 GIF 62 76 49 63 / 0 50 30 10 SRQ 65 76 52 64 / 0 50 30 10 BKV 62 74 44 61 / 10 60 20 10 SPG 65 75 51 63 / 0 50 30 10

TBW WATCHES/WARNINGS/ADVISORIES. FL . None. Gulf waters . None.



DISCUSSION/AVIATION/MARINE/FIRE WEATHER . 24/Hubbard DECISION SUPPORT . 69/Close


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
CWBF1 - 8726724 - Clearwater Beach, FL 7 mi56 min 70°F 70°F1023.6 hPa
CLBF1 15 mi92 min WSW 7 G 8.9 73°F 1022.4 hPa
SAPF1 - 8726520 - St. Petersburg, FL 17 mi56 min 76°F 71°F1023.6 hPa
OPTF1 - 8726607 - Old Port Tampa, FL 18 mi56 min 76°F 71°F1023.3 hPa
FHPF1 - Fred Howard Park, FL 19 mi92 min SSE 8 G 11 74°F 1024 hPa
42098 21 mi56 min 69°F2 ft
GCTF1 21 mi56 min 75°F 1023.3 hPa59°F
MTBF1 22 mi56 min 75°F 1023.5 hPa60°F
TPAF1 - 8726694 - TPA Cruise Terminal 2, Tampa, FL 24 mi146 min E 8 G 9.9
MCYF1 25 mi56 min 70°F
PMAF1 25 mi56 min 77°F 71°F1023.2 hPa
TSHF1 - 8726667 - East Bay Causeway, FL 25 mi152 min E 4.1 G 8.9

Wind History for Clearwater Beach, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
St. Petersburg/Clearwater Airport, FL11 mi33 minESE 710.00 miMostly Cloudy78°F59°F52%1023 hPa
Albert Whitted Airport, FL16 mi33 minSE 410.00 miMostly Cloudy74°F63°F69%1022.5 hPa
Macdill Air Force Base, Fl., FL20 mi90 minESE 910.00 miPartly Cloudy78°F57°F49%1023.3 hPa
Tampa, Tampa International Airport, FL20 mi33 minSE 610.00 miMostly Cloudy77°F55°F47%1023.3 hPa
Tampa, Peter O Knight Airport, FL23 mi31 minSSE 510.00 miOvercast0°F0°F%1023.4 hPa

Link to 5 minute data for KPIE

Wind History from PIE (wind in knots)
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1 day agoNW8N8N7N7N5N7N9N8N7NE6NE9NE10NE8NE8NE11
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2 days agoW6W5NW5NW3N5N4N4CalmCalmCalmCalmCalmCalmNW4N4N4N5NE5N5NE4NW8NW11NW9NW9

Tide / Current Tables for Indian Rocks Beach (inside), Florida
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Indian Rocks Beach (inside)
Click for Map
Sat -- 01:02 AM EST     0.03 feet Low Tide
Sat -- 01:28 AM EST     Moonrise
Sat -- 07:23 AM EST     Sunrise
Sat -- 07:27 AM EST     1.56 feet High Tide
Sat -- 12:22 PM EST     0.92 feet Low Tide
Sat -- 01:05 PM EST     Moonset
Sat -- 06:00 PM EST     Sunset
Sat -- 06:42 PM EST     2.10 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.100.10.40.71.11.41.51.51.41.210.90.91.11.41.61.92.12.121.71.30.8

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    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 (17,4,5,8)
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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.