Friday, February22, 2019 L-36.com


Marine Weather and Tides
Key West, FL

Version 3.4
What's New / NOTES
10/6/2018 Colors of tide XTide graphs changed to emphasize that they were upgraded. See next note. Comments welcome.
10/4/2018 I have fixed XTide and updated the harmonic files. There were some name changes so you might have to click EDIT to find the new station name.

Sunrise 6:54AMSunset 6:26PM Friday February 22, 2019 2:49 AM EST (07:49 UTC) Moonrise 9:56PMMoonset 9:19AM Illumination 92% Phase: Waning Gibbous; Moon at 18 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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GMZ075 Expires:201902220945;;313658 Fzus52 Kkey 220336 Cwfkey Coastal Waters Forecast For The Florida Keys National Weather Service Key West Fl 1036 Pm Est Thu Feb 21 2019 Florida Bay...hawk Channel And Straits Of Florida From Ocean Reef To South Of Dry Tortugas...and The Extreme Southeastern Gulf Of Mexico...including The Florida Keys National Marine Sanctuary Seas Are Given As Significant Wave Height...which Is The Average Height Of The Highest 1/3 Of The Waves. Individual Waves May Be More Than Twice The Significant Wave Height. Gmz052>055-072>075-220945- Straits Of Florida From Ocean Reef To Craig Key Out 20 Nm- Straits Of Florida From Craig Key To West End Of Seven Mile Bridge Out 20 Nm- Straits Of Florida From West End Of Seven Mile Bridge To South Of Halfmoon Shoal Out 20 Nm- Straits Of Florida From Halfmoon Shoal To 20 Nm West Of Dry Tortugas Out 20 Nm- Straits Of Florida From Ocean Reef To Craig Key 20 To 60 Nm Out- Straits Of Florida From Craig Key To West End Of Seven Mile Bridge 20 To 60 Nm Out- Straits Of Florida From West End Of Seven Mile Bridge To South Of Halfmoon Shoal 20 To 60 Nm Out- Straits Of Florida From Halfmoon Shoal To 20 Nm West Of Dry Tortugas 20 To 60 Nm Out- 1036 Pm Est Thu Feb 21 2019
.small craft should exercise caution...
Overnight..Southeast winds 15 to 20 knots. Seas 3 to 6 feet. Isolated showers.
Friday through Saturday night..East to southeast winds near 15 knots. Seas 3 to 5 feet. Isolated showers.
Sunday..Southeast winds decreasing to near 10 knots. Seas subsiding to 1 to 3 feet. Isolated showers.
Sunday night..Southeast winds 5 to 10 knots. Seas 1 to 2 feet. Isolated showers.
Monday..Northeast to east winds 5 to 10 knots. Seas 1 to 2 feet. Isolated showers.
Monday night throughTuesday night...east winds near 15 knots. Seas 3 to 5 feet. Isolated showers.


7 Day Forecast for Marine Location Near Key West, FL
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location: 24.55, -82.13     debug


Area Discussion for - Key West, FL
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Fxus62 kkey 220323
afdkey
area forecast discussion
national weather service key west fl
1023 pm est Thu feb 21 2019

Discussion
Currently - a surface ridge extends from the atlantic east of the
bahamas, across the florida peninsula and into the gulf of mexico.

This is maintaining moderate east-southeast breezes across the
keys and surrounding waters. Broad deep layered ridging remains in
place centered off to our east and is maintaining considerable
dry air aloft and only some low level CAPE in a stable
environment. Virtually no shower activity has been present across
the forecast area. The moderate flow is keeping temperatures in
the upper 70s with dew points near 70.

Short term update - gentle to moderate east to southeast breezes
will continue overnight due to the high pressure off to our east-
northeast. Temperatures will not move much at all due to these
winds and dew points will hold near or slightly above 70. Low
topped showers have a slight chance, however current trends keep
all activity well off to our east.

Marine
Moderate to fresh east to southeast breezes expected across keys
waters due to a high pressure ridge extending from east of the
bahamas into the gulf of mexico. Cautions are in place for the
florida straits. Only minor adjustments made in the evening
marine update.

Aviation
Vfr conditions expected at the island terminals. Surface winds
will be gentle to moderate out of the east-southeast.

Key watches warnings advisories
Fl... None.

Gm... None.

Public marine fire... 11
aviation nowcasts... .11
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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
42095 13 mi49 min 78°F5 ft
SANF1 - Sand Key, FL 15 mi59 min 78°F 1018.6 hPa (-0.5)70°F
KYWF1 - 8724580 - Key West, FL 17 mi31 min ESE 8.9 G 12
PLSF1 - Pulaski Shoal Light, FL 35 mi49 min SE 16 G 18 78°F 1018.1 hPa (-0.8)
GKYF1 40 mi109 min 78°F

Wind History for Key West, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Key West International Airport, FL20 mi56 minSE 1310.00 miFair79°F71°F77%1018.8 hPa
Key West Naval Air Station, FL23 mi56 minSE 1310.00 miA Few Clouds79°F70°F74%1018.5 hPa

Wind History from EYW (wind in knots)
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Last 24hrSE14SE11SE9SE12SE13SE13SE13SE13SE14SE14SE17SE13
G20
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1 day agoSE15SE15SE15SE13SE14SE12SE13S11SE14
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2 days agoSE9SE11E12E11E13SE12E11E12E12E12E12E12E13E13E15E14
G22
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G22
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Tide / Current Tables for Sand Key Lighthouse, Sand Key Channel, Florida
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Sand Key Lighthouse
Click for Map
Fri -- 04:44 AM EST     -0.33 feet Low Tide
Fri -- 06:56 AM EST     Sunrise
Fri -- 09:18 AM EST     Moonset
Fri -- 11:02 AM EST     1.35 feet High Tide
Fri -- 05:04 PM EST     -0.36 feet Low Tide
Fri -- 06:26 PM EST     Sunset
Fri -- 09:54 PM EST     Moonrise
Fri -- 11:28 PM EST     1.32 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.310.50-0.3-0.3-0.20.20.611.21.31.210.50.1-0.2-0.4-0.300.40.81.11.3

Tide / Current Tables for Boca Grande Channel, Florida Current
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Boca Grande Channel
Click for Map
Fri -- 02:53 AM EST     -1.70 knots Max Ebb
Fri -- 05:57 AM EST     0.00 knots Slack
Fri -- 06:56 AM EST     Sunrise
Fri -- 08:38 AM EST     1.48 knots Max Flood
Fri -- 09:18 AM EST     Moonset
Fri -- 12:03 PM EST     -0.00 knots Slack
Fri -- 03:14 PM EST     -1.62 knots Max Ebb
Fri -- 06:18 PM EST     0.00 knots Slack
Fri -- 06:26 PM EST     Sunset
Fri -- 09:02 PM EST     1.46 knots Max Flood
Fri -- 09:55 PM EST     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.2-1-1.5-1.7-1.5-0.800.91.41.51.20.70-0.7-1.3-1.6-1.5-1.1-0.30.61.21.51.30.9

Weather Map and Satellite Images
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wmap_A
GOES 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 Key West, FL (2,6,7,8)
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Ground Weather Radar Station Key West, 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 numerious 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.