Wednesday, July15, 2020
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Marine Weather and Tides
Big Pine Key, 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 6:46AMSunset 8:19PM Wednesday July 15, 2020 9:47 PM EDT (01:47 UTC) Moonrise 1:34AMMoonset 2:54PM Illumination 19% Phase: Waning Crescent; Moon at 25 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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GMZ032 Bayside And Gulf Side From Craig Key To West End Of Seven Mile Bridge- Gulf Of Mexico From West End Of Seven Mile Bridge To Halfmoon Shoal Out To 5 Fathoms- 430 Pm Edt Wed Jul 15 2020
Tonight..Northeast to east winds 5 to 10 knots. Seas 1 foot or less. NEarshore waters smooth to a light chop. Scattered showers and isolated Thunderstorms.
Thursday..East winds near 10 knots, increasing to 10 to 15 knots late. Seas around 1 foot, building to 1 to 2 feet. NEarshore waters a light chop, becoming a light to moderate chop. Scattered showers and isolated Thunderstorms.
Thursday night..Northeast to east winds 10 to 15 knots, increasing to near 15 knots late. Seas 1 to 3 feet. NEarshore waters a light to moderate chop, becoming a moderate chop. Scattered showers and isolated Thunderstorms.
Friday and Friday night..East winds near 15 knots. Seas 1 to 3 feet. NEarshore waters a moderate chop. Numerous showers and scattered Thunderstorms.
Saturday..East winds near 15 knots, decreasing to 10 to 15 knots. Seas 1 to 3 feet. NEarshore waters a moderate chop, becoming a light to moderate chop. Numerous showers and scattered Thunderstorms.
Saturday night..East winds 10 to 15 knots. Seas 1 to 3 feet. NEarshore waters a light to moderate chop. Scattered showers and isolated Thunderstorms.
Sunday..East winds near 10 knots. Seas 1 to 2 feet. NEarshore waters a light chop. Scattered showers and isolated Thunderstorms.
Sunday night..East winds 10 to 15 knots. Seas 1 to 3 feet. NEarshore waters a light to moderate chop. Scattered showers and isolated Thunderstorms.
Monday..East to southeast winds 10 to 15 knots. Seas 1 to 3 feet. NEarshore waters a light to moderate chop. Scattered showers and isolated Thunderstorms.
Monday night..East to southeast winds near 15 knots. Seas 2 to 3 feet. NEarshore waters a moderate chop. Scattered showers and isolated Thunderstorms.


7 Day Forecast for Marine Location Near Big Pine Key, FL
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location: 24.73, -81.41     debug


Area Discussion for - Key West, FL
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FXUS62 KKEY 151859 AFDKEY

Area Forecast Discussion National Weather Service Key West FL 259 PM EDT Wed Jul 15 2020

DISCUSSION. A pretty quite day so far, though showers and thunderstorms are quickly developing over the southern mainland and are beginning to drift southward towards and over the Florida Bay. A cloud line over the Lower Keys is drifting over the Hawk Channel waters and within the last hour has begun to try and produce showers. Otherwise, skies are mostly sunny. Surface observations show winds are still light and variable, but trying to go northeast and east. Temperatures are in the lower 90s with dew points in the mid 70s. Marine observations are generally 5 knots or less.

SHORT TERM (Tonight through Friday night). A surface ridge axis just to our north will continue to push northward over the next 24 hours and will eventually rest across the eastern Gulf of Mexico and central Florida. This will allow our winds to become more northeast to east tonight through Thursday night. At the same time a weather disturbance will be moving in from the east starting late tonight and continuing into the first half of the weekend. This will bring about two changes. 1) Rain chances will be increasing, peaking starting Friday. 2) The gradient will tighten somewhat and winds will freshen Thursday night through the weekend.

LONG TERM (Saturday through next Wednesday). The aforementioned weather disturbance will continue to move westward Saturday night into Sunday. As such, rain chances will taper back starting Saturday night. That being said, a deep easterly flow will remain over the region and will continue to provide low level moisture through the extended period. As such, rain chances will remain above normal. The gradient will remain such that gentle to moderate breezes will persist through the balance of the weekend and into at least early next week.

MARINE. A surface ridge axis just to our north will continue to push northward over the next 24 hours and will eventually rest across the eastern Gulf of Mexico and central Florida. This will continue light to gentle breezes for this evening and into Thursday. Thereafter, gentle to moderate breezes can be expected Thursday night through the weekend and early next week.

AVIATION. VFR conditions will prevail through the afternoon. Low level steering flow will favor showers and isolated thunderstorms to drift southwest towards the island terminal though confidence is low. Thereafter, shower chances and coverage will increase beginning late tonight. Otherwise, light and variable winds will become definitively from the northeast and east.

CLIMATE. Record high 99, 1987 was recorded in Marathon. This is also the warmest temperature ever recorded in the month of July. Temperature records date back to 1950.

PRELIMINARY POINT TEMPS/POPS. Key West 83 90 82 89 / 30 40 50 60 Marathon 81 92 82 91 / 30 50 50 60

KEY WATCHES/WARNINGS/ADVISORIES. FL . None. GM . None.

Public/Marine/Fire . LIW Aviation/Nowcasts . LIW Data Acquisition . Williams

Visit us on the web at weather.gov/key

Follow us on Facebook and Twitter at: www.facebook.com/nwskeywest www.twitter.com/nwskeywest


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
VCAF1 - 8723970 - Vaca Key, FL 16 mi78 min 92°F
SMKF1 - Sombrero Key, FL 17 mi28 min NNE 15 G 19 79°F 1018.6 hPa75°F
KYWF1 - 8724580 - Key West, FL 24 mi78 min 90°F
LONF1 - Long Key, FL 30 mi28 min NW 12 G 15 80°F 1017.1 hPa73°F
SANF1 - Sand Key, FL 31 mi28 min SSE 8.9 G 13 83°F 1017.9 hPa72°F
JKYF1 - Johnson Key, FL 35 mi108 min 92°F
LRKF1 - Little Rabbit Key, FL 36 mi168 min 93°F
MUKF1 - Murray Key, FL 36 mi108 min 93°F
PKYF1 - Peterson Key, FL 37 mi108 min 92°F
42095 37 mi48 min 83°F 88°F1 ft
BKYF1 41 mi108 min 92°F
WRBF1 - Whipray Basin, FL 43 mi108 min WNW 18 91°F
WWEF1 43 mi168 min 90°F
GBTF1 - Garfield Bight, FL 44 mi108 min 88°F
CWAF1 44 mi168 min 89°F
BOBF1 - Bob Allen, FL 44 mi108 min 91°F
SREF1 46 mi108 min 89°F
LRIF1 47 mi108 min 90°F
TBYF1 47 mi108 min 90°F
GBIF1 - Gunboat Island, FL 49 mi108 min 87°F

Wind History for Vaca Key, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Key West Naval Air Station, FL18 mi55 minNE 1110.00 miThunderstorm86°F75°F70%1017.7 hPa
The Florida Keys - Marathon International Airport, FL19 mi55 minNE 13 G 261.25 miThunderstorm Heavy Rain Fog/Mist79°F77°F94%1018.2 hPa
Key West International Airport, FL22 mi55 minE 410.00 miThunderstorm in Vicinity88°F75°F66%1017.3 hPa

Link to 5 minute data for KNQX

Wind History from NQX (wind in knots)
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Last 24hrCalmNE3NE3E3SE5SE4E4E3E5NE3--E4E3E8E6NE5
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1 day agoW6SW4SW4SW3SW4W5SW5SW5SW4CalmS3CalmSW4N5N5SW4S6S6NW53SW7NW3W4Calm
2 days agoS4W4SW5SW6SW8SW10SW10SW10SW10SW8SW9SW11SW11W10SW11SW10SW11W12W13W12NW9NW9W5W4

Tide / Current Tables for Howe Key, south end, Harbor Channel, Florida
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Howe Key
Click for Map
Wed -- 02:33 AM EDT     Moonrise
Wed -- 04:18 AM EDT     0.38 feet Low Tide
Wed -- 06:46 AM EDT     Sunrise
Wed -- 10:49 AM EDT     1.16 feet High Tide
Wed -- 03:53 PM EDT     Moonset
Wed -- 06:07 PM EDT     0.14 feet Low Tide
Wed -- 08:17 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.70.60.50.40.40.40.50.70.911.11.21.110.80.60.30.20.10.20.30.40.60.7

Tide / Current Tables for No Name Key (northeast of), Florida Current
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No Name Key (northeast of)
Click for Map
Wed -- 02:32 AM EDT     Moonrise
Wed -- 02:39 AM EDT     0.00 knots Slack
Wed -- 05:42 AM EDT     0.33 knots Max Flood
Wed -- 06:45 AM EDT     Sunrise
Wed -- 07:46 AM EDT     -0.00 knots Slack
Wed -- 10:46 AM EDT     -0.82 knots Max Ebb
Wed -- 02:52 PM EDT     0.00 knots Slack
Wed -- 03:53 PM EDT     Moonset
Wed -- 06:28 PM EDT     0.64 knots Max Flood
Wed -- 08:16 PM EDT     Sunset
Wed -- 09:03 PM EDT     -0.00 knots Slack
Wed -- 11:34 PM EDT     -0.61 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.5-0.3-0.10.10.20.30.30.2-0.1-0.5-0.8-0.8-0.7-0.5-0.300.30.50.60.60.40-0.4-0.6

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 Key West, FL (21,6,7,8)
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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 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.