Monday, August21, 2017 L-36.com


Marine Weather and Tides
Duck Key, FL

Version 3.4
What's New / NOTES
6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported.
5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive.
5/19/2016 - There were issues with the 3 day airport observation history. I switched to another data source. Let me know if you see any issues with the data feeds.

Sunrise 7:03AMSunset 7:56PM Monday August 21, 2017 11:47 AM EDT (15:47 UTC) Moonrise 5:46AMMoonset 7:00PM Illumination 0% Phase: New Moon; Moon at 29 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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GMZ043 Hawk Channel From Ocean Reef To Craig Key Out To The Reef- Hawk Channel From Craig Key To West End Of Seven Mile Bridge Out To The Reef- Hawk Channel From West End Of Seven Mile Bridge To Halfmoon Shoal Out To The Reef- 1021 Am Edt Mon Aug 21 2017
.small craft should exercise caution until winds decrease...
This afternoon..East winds 15 to 20 knots, decreasing to near 15 knots. Seas 3 to 4 feet, subsiding to 2 to 3 feet. NEarshore waters choppy, becoming a moderate chop. Isolated showers.
Tonight..East winds near 15 knots, decreasing to 10 to 15 knots after midnight. Seas 2 to 3 feet, subsiding to 1 to 2 feet. NEarshore waters a moderate chop, becoming a light to moderate chop. Isolated showers.
Tuesday..East winds near 10 knots. Seas 1 to 2 feet. NEarshore waters a light chop. Scattered showers and isolated Thunderstorms.
Tuesday night and Wednesday..Southeast to south winds 5 to 10 knots. Seas 1 foot or less. NEarshore waters smooth to a light chop. Scattered showers and isolated Thunderstorms.
Wednesday night and Thursday..Southeast to south winds 5 to 10 knots. Seas 1 foot or less. NEarshore waters smooth to a light chop. Scattered showers and isolated Thunderstorms.
Thursday night through Friday night..Southwest winds 5 to 10 knots. Seas 1 foot or less. NEarshore waters smooth to a light chop. Scattered showers and isolated Thunderstorms.

7 Day Forecast for Marine Location Near Duck Key, FL
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location: 24.79, -80.88     debug


Area Discussion for - Key West, FL
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Fxus62 kkey 211421
afdkey
area forecast discussion
national weather service key west fl
1021 am edt Mon aug 21 2017

Discussion
Currently
Early visible satellite photographs show skies are partly to
mostly sunny with temperatures in the mid to upper 80s in the
florida keys. Meanwhile, local radars are not detecting any
significant precipitation echoes in our region. Surface wise, our
area is between a strong tropical wave in the western caribbean
sea, an elongating tropical wave in the extreme southeast bahamas
and a formidable western atlantic ridge aligned well north of our
region. On our marine district, winds are east at 15 to 20 knots
and gusty. Otherwise, our morning sounding reveals scant moisture
(pwat 1.30 inches) below 900 mb within a deep tropospheric
easterly flow.

Short term (rest of today)
unusually dry air will prevail along the entire island chain with
east winds of 10 to 20 mph. Temperatures will reach into the lower
90s in many communities with only isolated dime pops.

Marine
Fresh to occasional strong east winds will slacken a tad this
afternoon, before abating late tonight and especially on Tuesday.

But until then, a small craft should exercise caution headline
will be required on most keys coastal waters.

Aviation
Until 00z 22nd, outside of possible brief MVFR ceiling,VFR
conditions will prevail at the key west and marathon terminals.

Mostly east winds of 10 to 15 knots will gusts to near 20 knots.

Climate
In 1923, the daily record low temperature of 71 degrees was
recorded in key west. Temperature records have been kept since
1872.

Key watches warnings advisories
Fl... None.

Gm... None.

Public marine fire... Apa
aviation nowcasts... .Apa
data collection... ... Dr
visit us on the web at weather.Gov key
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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
PKYF1 - Peterson Key, FL 11 mi108 min 86°F
VCAF1 - 8723970 - Vaca Key, FL 13 mi48 min E 8 G 14 89°F 88°F1018.2 hPa (+1.7)
LRKF1 - Little Rabbit Key, FL 14 mi168 min 85°F
JKYF1 - Johnson Key, FL 18 mi168 min 83°F
BOBF1 - Bob Allen, FL 19 mi108 min 85°F
MUKF1 - Murray Key, FL 22 mi108 min 82°F
BKYF1 23 mi108 min 83°F
GBTF1 - Garfield Bight, FL 26 mi108 min 83°F
TBYF1 27 mi108 min 87°F
BNKF1 - Butternut Key, FL 28 mi108 min 85°F
LMDF1 - Little Madeira, FL 30 mi108 min 85°F
WWEF1 31 mi168 min 85°F
TRRF1 - Taylor River, FL 32 mi108 min 85°F
LRIF1 34 mi108 min 86°F
DKKF1 - Duck Key, FL 34 mi168 min 85°F
TCVF1 - Trout Cove, FL 35 mi168 min 85°F
BWSF1 - Blackwater Sound, FL 36 mi168 min 85°F
CWAF1 36 mi168 min 84°F
NRRF1 38 mi108 min 85°F
LBSF1 - Little Blackwater, FL 38 mi168 min 85°F
LSNF1 - Long Sound, FL 38 mi108 min 85°F
HCEF1 - Highway Creek, FL 40 mi168 min 83°F
GBIF1 - Gunboat Island, FL 41 mi108 min 84°F
SREF1 41 mi108 min 86°F
TPEF1 - Tarpon Bay East, FL 43 mi168 min 83°F
CANF1 - Cane Patch, FL 44 mi168 min 84°F
HREF1 45 mi108 min 85°F
BDVF1 - Broad River, FL 48 mi108 min 84°F

Wind History for Vaca Key, FL
(wind in knots)    EDIT      (on/off)   Help
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NE14
NE8
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G11
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G16
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G14
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G17
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NE9
G12
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NE6
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NE7
G12
NE9
NE7
G10
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G11
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E7
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G10
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G21
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G12
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NE5
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G11
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G12
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G9
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G7
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G11
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N7
G10
NE6
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G9
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G12
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G10
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G8
E5
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NE8
NW4
G9

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
The Florida Keys - Marathon International Airport, FL10 mi55 minE 10 G 1610.00 miPartly Cloudy90°F77°F66%1018.5 hPa

Wind History from MTH (wind in knots)
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Last 24hrNE10NE8E7SE7
G14
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1 day agoNE8NE9NE8NE9E8E9E8E8E10E9
G16
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G26
E11
G23
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G15
E5E7E7E5E6E6NE7NE4E3NE9
2 days agoE8SE8SE6SE5SE8E8E7E75E4E6E7E6E4NE5E7E76E4E4E7E6NE8NE8

Tide / Current Tables for Conch Key, eastern end, Florida
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Conch Key
Click for Map
Mon -- 02:31 AM EDT     0.21 feet Low Tide
Mon -- 06:45 AM EDT     Moonrise
Mon -- 07:00 AM EDT     Sunrise
Mon -- 08:59 AM EDT     1.98 feet High Tide
Mon -- 02:31 PM EDT     New Moon
Mon -- 03:45 PM EDT     -0.02 feet Low Tide
Mon -- 07:52 PM EDT     Sunset
Mon -- 07:59 PM EDT     Moonset
Mon -- 09:56 PM EDT     1.36 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.70.40.20.20.50.81.21.61.921.91.61.20.70.30-00.10.40.711.31.41.3

Tide / Current Tables for Long Key Viaduct, Florida Current
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Long Key Viaduct
Click for Map
Mon -- 12:27 AM EDT     -0.00 knots Slack
Mon -- 03:36 AM EDT     -1.48 knots Max Ebb
Mon -- 06:37 AM EDT     0.00 knots Slack
Mon -- 06:45 AM EDT     Moonrise
Mon -- 07:00 AM EDT     Sunrise
Mon -- 09:25 AM EDT     1.10 knots Max Flood
Mon -- 12:19 PM EDT     -0.00 knots Slack
Mon -- 02:31 PM EDT     New Moon
Mon -- 03:46 PM EDT     -1.76 knots Max Ebb
Mon -- 06:59 PM EDT     0.00 knots Slack
Mon -- 07:52 PM EDT     Sunset
Mon -- 07:59 PM EDT     Moonset
Mon -- 09:59 PM EDT     1.33 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.3-0.4-1.1-1.4-1.4-1.1-0.50.30.81.11.10.80.2-0.5-1.2-1.7-1.7-1.5-0.800.81.21.31.2

Weather Map and Satellite Images
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Weather Map
wmap_A
IR Satellite Image from GEOS
east_satellite

GOES Local Image of Southeast    EDIT
Geos

Wind Forecast for Key West, FL (11,2,3,4)
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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.