Sunday, April22, 2018 L-36.com


Marine Weather and Tides
Big Coppitt Key, FL

Version 3.4
What's New / NOTES
3/3/2018 - There is a new GOES Satellite for the east coast that required rewriting that part of the code. Please report any issues.
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.

Sunrise 6:57AMSunset 7:53PM Sunday April 22, 2018 5:38 PM EDT (21:38 UTC) Moonrise 11:55AMMoonset 12:42AM Illumination 50% Phase: First Quarter Moon; Moon at 7 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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GMZ044 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- 500 Pm Edt Sun Apr 22 2018
Tonight..Southeast winds 10 to 15 knots. Seas 1 to 2 feet. NEarshore waters a light to moderate chop. Isolated showers.
Monday..Southeast winds 10 to 15 knots. Seas 1 to 2 feet. NEarshore waters a light to moderate chop. Isolated showers.
Monday night..Southeast to south winds 10 to 15 knots. Seas 1 to 2 feet. NEarshore waters a light chop. Isolated showers.
Tuesday..South to southwest winds 10 to 15 knots. Seas 1 to 2 feet. NEarshore waters a light to moderate chop. Isolated showers.
Tuesday night..West to northwest winds near 10 knots. Seas 1 to 2 feet. NEarshore waters a light chop. Scattered showers and isolated Thunderstorms.
Wednesday..Northwest winds 10 to 15 knots. Seas 1 to 2 feet. NEarshore waters a light to moderate chop. Isolated showers.
Wednesday night..Northwest winds 10 to 15 knots. Seas 1 to 3 feet. NEarshore waters a light to moderate chop. Isolated showers.
Thursday..West to northwest winds near 10 knots. Seas 1 to 2 feet. NEarshore waters a light chop. Isolated showers.
Thursday night..Northwest winds 10 to 15 knots. Seas 1 to 2 feet. NEarshore waters a light to moderate chop. Isolated showers.
Friday..Northwest winds 5 to 10 knots. Seas around 1 foot. NEarshore waters smooth to a light chop. Isolated showers.
Friday night..North to northeast winds 5 to 10 knots. Seas around 1 foot. NEarshore waters smooth to a light chop. Isolated showers.

7 Day Forecast for Marine Location Near Big Coppitt Key, FL
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location: 24.55, -81.53     debug


Area Discussion for - Key West, FL
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Fxus62 kkey 221857
afdkey
area forecast discussion
national weather service key west fl
257 pm edt Sun apr 22 2018

Discussion
Currently
Cloud streaks formed along the island chain this afternoon along
moist, southeasterly low level flow. Isolated showers remain
across the eastern florida straits, and at times have crossed into
the nearshore bayside waters. Temperatures are in the low to mid
80s, and dew points remain in the low to mid 70s. Winds have
increased to 10 to 15 mph this afternoon across the island chain
and nearshore waters, out of the southeast.

Forecast
The overall synoptic pattern evolves between an incoming broad,
deep-layered cyclone (currently positioned in the mississippi
river valley) and a retreating new england high through mid-
week. Low and mid- level atmospheric moisture will be on the
increase as prevailing flow remains out of the east and south
through Monday night. The low pressure system shifts into the
carolinas Tuesday, and swings a frontal trough through the keys
Wednesday night. The ingredients (35 kt shear, nocturnal
instability ~2500 j kg, increasing moisture transport) will enable
isolated thunderstorms to accompany the weak frontal passage
Tuesday night. Thereafter, a slight air mass change will occur,
dropping dew points into the 60s, which last into the weekend
along with low chances of rain.

Marine
No watches, warnings, or advisories are in place across the
coastal waters surrounding the florida keys. An expansive area of
high pressure covering the entire eastern united states will slide
into the western north atlantic ocean over the next several days,
as a weak area of low pressure migrates eastward and across the
southeast united states before lifting up the eastern seaboard
next week.

Aviation
Overnight,VFR conditions will prevail at eyw and mth through at
least the next 24 hours. Expect a few to scattered clouds with bases
aoa fl015-025, but anyVFR CIGS will be very short lived.

Key watches warnings advisories
Fl... None.

Gm... None.

Public marine fire... Mclovin
aviation nowcasts... .Futterman
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
42078 15 mi69 min 79°F3 ft
KYWF1 - 8724580 - Key West, FL 15 mi51 min E 8.9 G 13
SANF1 - Sand Key, FL 20 mi49 min 78°F 1015.3 hPa (-2.4)72°F
SMKF1 - Sombrero Key, FL 23 mi85 min E 13 G 15 78°F 1015.4 hPa (-1.9)71°F
VCAF1 - 8723970 - Vaca Key, FL 25 mi51 min E 8 G 13 82°F 84°F1015.2 hPa
LONF1 - Long Key, FL 41 mi39 min SE 11 G 12 81°F 83°F1015.1 hPa (-2.6)73°F
LRKF1 - Little Rabbit Key, FL 48 mi159 min 84°F
JKYF1 - Johnson Key, FL 48 mi159 min 84°F
PKYF1 - Peterson Key, FL 49 mi99 min 82°F

Wind History for Key West, FL
(wind in knots)    EDIT      (on/off)   Help
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E7
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N9
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N6
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Key West Naval Air Station, FL9 mi46 minESE 1210.00 miPartly Cloudy83°F73°F72%1015.2 hPa
Key West International Airport, FL12 mi46 minESE 1210.00 miFair83°F73°F72%1015.3 hPa

Wind History from NQX (wind in knots)
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Last 24hrE11E10E12E9E10E12E11E12E11E13E10E10E9E8E10E11E9SE12E15E14
G20
E13SE13
G18
SE15E12
1 day agoN8N11N9N6N3NW6NW3N5NE4NE4NE3NE5NE4NE4NE5E4E10E11E12E10E12E14E12E13
2 days agoN6N6N5NW6N6N7NE7NE4E3CalmCalmCalmN3N5NE3N5NE4N5NW9NE8N8N9N10N8

Tide / Current Tables for Key Lois, southeast end, Florida
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Key Lois
Click for Map
Sun -- 01:41 AM EDT     Moonset
Sun -- 03:22 AM EDT     1.02 feet High Tide
Sun -- 06:57 AM EDT     Sunrise
Sun -- 08:03 AM EDT     0.40 feet Low Tide
Sun -- 12:54 PM EDT     Moonrise
Sun -- 02:14 PM EDT     1.78 feet High Tide
Sun -- 05:46 PM EDT     First Quarter
Sun -- 07:51 PM EDT     Sunset
Sun -- 09:58 PM EDT     -0.11 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.40.70.9110.90.70.50.40.50.71.11.41.71.81.71.61.30.90.50.2-0-0.1-0

Tide / Current Tables for Bahía Honda Harbor (Bridge) Florida Current
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Bahía Honda Harbor (Bridge) Florida Current
Click for Map
Sun -- 01:40 AM EDT     Moonset
Sun -- 01:48 AM EDT     1.44 knots Max Flood
Sun -- 05:27 AM EDT     -0.00 knots Slack
Sun -- 06:57 AM EDT     Sunrise
Sun -- 08:41 AM EDT     -1.61 knots Max Ebb
Sun -- 12:08 PM EDT     0.00 knots Slack
Sun -- 12:53 PM EDT     Moonrise
Sun -- 02:04 PM EDT     0.74 knots Max Flood
Sun -- 04:52 PM EDT     -0.00 knots Slack
Sun -- 05:46 PM EDT     First Quarter
Sun -- 07:50 PM EDT     Sunset
Sun -- 08:52 PM EDT     -2.01 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.71.31.41.30.90.3-0.4-1.1-1.5-1.6-1.4-0.8-0.10.50.70.60.4-0.1-0.7-1.4-1.9-2-1.8-1.3

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.
target = "new">Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Key West, FL (17,4,5,8)
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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.