Tuesday, March31, 2020
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Marine Weather and Tides
Hernando 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 7:19AMSunset 7:48PM Tuesday March 31, 2020 3:46 PM EDT (19:46 UTC) Moonrise 11:09AMMoonset 12:32AM Illumination 52% Phase: First Quarter Moon; 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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GMZ850 Coastal Waters From Tarpon Springs To Suwannee River Fl Out 20 Nm- 236 Pm Edt Tue Mar 31 2020
.small craft advisory in effect through Wednesday morning...
Tonight..West winds 20 to 25 knots then becoming northwest after midnight. Seas 4 to 6 feet. Bay and inland waters rough. A slight chance of Thunderstorms in the evening.
Wednesday..North winds around 20 knots then becoming northwest 15 to 20 knots in the afternoon. Seas 3 to 5 feet. Bay and inland waters choppy.
Wednesday night..North winds 15 to 20 knots then becoming northeast after midnight. Seas 2 to 3 feet. Bay and inland waters a moderate chop.
Thursday..Northeast winds around 10 knots then becoming northwest in the afternoon. Seas 2 feet. Bay and inland waters a light chop.
Thursday night..North winds around 10 knots then becoming east after midnight. Seas 2 feet or less. Bay and inland waters a light chop.
Friday..East winds around 10 knots then becoming northwest around 5 knots in the afternoon. Seas 2 feet or less. 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 around 5 knots in the afternoon. Seas 2 feet or less. Bay and inland waters a light chop.
Saturday night..Northeast winds around 10 knots then becoming east 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. A slight chance of Thunderstorms.
GMZ800 Synopsis For The Coastal Waters From Bonita Beach To Suwannee River- 236 Pm Edt Tue Mar 31 2020
Synopsis.. High pressure continues to ridge over southern florida. Interactions between this high pressure and an approaching cold front from the northwest will produce increasing southwest winds and seas over the eastern gulf of mexico through Wednesday afternoon. This has warranted the issuance of a sca for all eastern gulf coast waters through Wednesday afternoon and high risk of rip currents advisory at local beaches through Wednesday evening. Rain showers and Thunderstorms can be expected later this evening into Wednesday morning. Gusty winds, heavy rainfall and dangerous lightning can be expected in the vicinity of these storms. High pressure builds in behind this front on Wednesday and will cause a shift in winds to the n-nw then E and decreasing through the end of the week. After this front moves through, the winds will remain less than 15 knots and seas 3 feet or less into the weekend. No other marine impacts expected.


7 Day Forecast for Marine Location Near Hernando Beach, FL
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location: 28.47, -82.66     debug


Area Discussion for - Tampa Bay, FL
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FXUS62 KTBW 311823 AFDTBW

Area Forecast Discussion National Weather Service Tampa Bay Ruskin FL 223 PM EDT Tue Mar 31 2020

DISCUSSION. The upper ridge that has been so dominant over Florida the past couple of weeks has flattened out and shifted south. Farther to the northwest, a mid-upper level trough digs south through the Mississippi River Valley. This trough will move eastward over the next 24-36 hours lending support to the next low pressure system expected to influence the weather over Florida later this evening into Wednesday morning. The trough exits into the Atlantic by Wednesday afternoon, which will allow for ridging over the central U.S. to progress eastward through the end of the week and into the weekend.

On the surface, an area of low pressure is moving through MS/GA with a cold front extending southwest through southern AL/GA and Florida panhandle. Radar imagery over that region is showing embedded thunderstorms in the vicinity of this front that will continue moving east through the afternoon and into the evening hours. Latest HRRR guidance has the frontal bands making landfall along the Nature coast between 22-00Z, then moving southeast over Tampa Bay between 01-03Z, and then over southwest Florida around 06Z. Just as we're seeing on radar now, some embedded thunderstorms will be possible with some gusty winds and heavy downpours. This will be a fairly short event with clearing expected by mid-morning on Wednesday.

High pressure builds back in behind this front, bringing pleasant weather through the end of the week and into the weekend. We will get a very brief shot of cooler air on Wednesday and Thursday with closer to seasonal highs on Wednesday and Thursday and even some 50's for early Thursday morning. This cool down doesn't last long as we will be back in a warming trend once again by the weekend and into next week.

AVIATION. VFR conditions with gusty SW winds will prevail through the day ahead of a cold front expected to move through the region later tonight. Will hold SHRA and VCTS starting at 00Z with MVFR/IFR CIGs possible after 00Z as the front moves through the terminals. Some wind gusts near 20 knots possible in vicinity of front, then slightly decreasing and veering WNW as the front moves away from the region by the end of the period.

MARINE. High pressure continues to ridge over southern Florida. Interactions between this high pressure and an approaching cold front from the northwest will produce increasing southwest winds and seas over the eastern Gulf of Mexico through Wednesday afternoon. This has warranted the issuance of a SCA for all eastern gulf coast waters through Wednesday afternoon and high risk of rip currents advisory at local beaches through Wednesday evening. Rain showers and thunderstorms can be expected later this evening into Wednesday morning. Gusty winds, heavy rainfall and dangerous lightning can be expected in the vicinity of these storms. High pressure builds in behind this front on Wednesday and will cause a shift in winds to the N-NW then E and decreasing through the end of the week. After this front moves through, the winds will remain less than 15 knots and seas 3 feet or less into the weekend. No other marine impacts expected.

FIRE WEATHER. An approaching cold front will bring gusty 20 foot and transport winds with high dispersions along with showers and isolated thunderstorms this afternoon and overnight. Drier and cooler air begins to filter in behind this front on Wednesday and Thursday with some critically low RH values. However winds are expected to stay light precluding any red flag concerns.

Preliminary Point Temps/PoPs. TPA 64 76 57 80 / 40 0 0 0 FMY 70 81 58 83 / 50 0 0 0 GIF 61 79 54 81 / 50 0 0 0 SRQ 67 77 57 81 / 40 0 0 0 BKV 57 76 51 81 / 50 0 0 0 SPG 65 77 59 80 / 40 0 0 0

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

Gulf waters . Small Craft Advisory until 11 AM EDT Wednesday 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.



DISCUSSION/AVIATION/MARINE/FIRE WEATHER . 74/Wynn DECISION SUPPORT . 97/Flannery


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
ARPF1 - APK - Aripeka, FL 3 mi113 min W 9.9 G 18 88°F 1010.4 hPa
FHPF1 - Fred Howard Park, FL 23 mi113 min SW 15 G 17 78°F 1011.5 hPa
CWBF1 - 8726724 - Clearwater Beach, FL 35 mi47 min SSW 20 G 23 77°F 82°F1009.8 hPa (-3.3)
TPAF1 - 8726694 - TPA Cruise Terminal 2, Tampa, FL 39 mi53 min WSW 8 G 11
TSHF1 - 8726667 - East Bay Causeway, FL 39 mi47 min SSE 18 G 23
MCYF1 40 mi47 min 83°F
OPTF1 - 8726607 - Old Port Tampa, FL 43 mi47 min SW 18 G 21 79°F 82°F1010.1 hPa (-2.9)
GCTF1 49 mi47 min 78°F 1010 hPa (-3.0)71°F

Wind History for Clearwater Beach, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Brooksville-Tampa Bay Regional Airport, FL11 mi54 minSW 16 G 2410.00 miMostly Cloudy87°F66°F51%1009 hPa

Link to 5 minute data for KBKV

Wind History from BKV (wind in knots)
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Last 24hrW12W14W10NW9NW9NW3CalmCalmCalmCalmSE3SE3S3S4S4S5S4SW6SW8SW9SW13W17
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1 day agoW10W11W9W11W7W5CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmE4NE44W5NW6W5
2 days agoSW9W11W11
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W10W7W5CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmSE33S6SE7S7443

Tide / Current Tables for Hernando Beach, Rocky Creek, Little Pine I. Bay, Florida
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Hernando Beach
Click for Map
Tue -- 01:32 AM EDT     Moonset
Tue -- 01:39 AM EDT     0.10 feet Low Tide
Tue -- 07:21 AM EDT     Sunrise
Tue -- 07:33 AM EDT     2.05 feet High Tide
Tue -- 12:09 PM EDT     Moonrise
Tue -- 01:15 PM EDT     1.48 feet Low Tide
Tue -- 05:27 PM EDT     2.64 feet High Tide
Tue -- 07:48 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.30.10.10.30.81.31.82221.81.71.51.51.61.92.32.62.62.52.21.81.41

Tide / Current Tables for Hudson, Florida
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Hudson
Click for Map
Tue -- 12:10 AM EDT     0.14 feet Low Tide
Tue -- 01:32 AM EDT     Moonset
Tue -- 07:06 AM EDT     2.26 feet High Tide
Tue -- 07:21 AM EDT     Sunrise
Tue -- 11:35 AM EDT     1.65 feet Low Tide
Tue -- 12:09 PM EDT     Moonrise
Tue -- 05:19 PM EDT     2.91 feet High Tide
Tue -- 07:48 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.10.20.40.81.31.82.12.32.221.81.71.71.82.12.42.72.92.92.62.11.61.10.7

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 (15,3,4,5)
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Ground Weather Radar Station Tampa Bay Area, FL
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Gulf Stream Current


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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.