Wednesday, February24, 2021
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Marine Weather and Tides
Big Pine Key, FL

Version 3.4
NOTICE
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 6:52AMSunset 6:28PM Wednesday February 24, 2021 9:47 PM EST (02:47 UTC) Moonrise 3:54PMMoonset 5:00AM Illumination 97% Phase: Waxing Gibbous; Moon at 13 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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GMZ035 Expires:202102250345;;064473 Fzus52 Kkey 242136 Cwfkey Coastal Waters Forecast For The Florida Keys National Weather Service Key West Fl 436 Pm Est Wed Feb 24 2021 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. Gmz032-035-250345- 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- 436 Pm Est Wed Feb 24 2021
Tonight..Variable winds near 5 knots, becoming north to northeast and increasing to 5 to 10 knots. Seas 1 foot or less. NEarshore waters smooth, becoming smooth to a light chop.
Thursday..North to northeast winds 5 to 10 knots. Seas 1 foot or less. NEarshore waters smooth to a light chop.
Thursday night..Northeast to east winds 5 to 10 knots, increasing to near 10 knots. Seas around 1 foot. NEarshore waters smooth to a light chop, becoming a light chop.
Friday..East winds 10 to 15 knots. Seas 1 to 2 feet. NEarshore waters a light to moderate chop.
Friday night and Saturday..East to southeast winds near 15 knots. Seas 1 to 3 feet. NEarshore waters a moderate chop.
Saturday night through Sunday night..East to southeast winds 15 to 20 knots. Seas 1 to 3 feet, except 2 to 4 feet west of the marquesas keys. NEarshore waters choppy.
Monday and Monday night..East to southeast winds 10 to 15 knots. Seas 1 to 2 feet. NEarshore waters a light to moderate chop.


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 242001 AFDKEY

Area Forecast Discussion National Weather Service Key West FL 301 PM EST Wed Feb 24 2021

DISCUSSION. KBYX and KAMX local radars have been nearly echo-free over the past several hours. All isolated shower activity from this morning in the Upper Keys and the adjacent coastal waters has fallen apart. Visible satellite imagery highlights cumulus clouds streaming northward off the traditionally-favored islands in the Lower Keys. However, given the significant low-level subsidence inversion sampled by the 12z KEY sounding, these should remain harmless features, producing little to no rainfall. With that being said, the presence of such features should serve as a reminder that the traditional wet season is right around the corner for the Florida Keys.

Overall, the forecast remains largely unchained this cycle. A weak area of high pressure near northern Florida will dominate our weather through Friday. The feature will result in large scale subsidence, and in turn near-nil rain chances fore the short- term forecast period. A second, much stronger area of high pressure will move off the eastern third of the CONUS on Friday. Winds will increase for much of the weekend, owing to the resultant strong pressure gradient over the island chain. The weather for the Keys will feature above normal temperatures (highs in the low- mid 80s, lows in the low- mid 70s) through early next week and below normal rain chances.

Deterministic and ensemble numerical weather guidance diverges somewhat as we move into the middle of next week. However, there are indications that a weak boundary (similar to the feature that pushed through the Keys yesterday) may try to push through the island chain on Wednesday. There are also indications of a potentially stronger cold front approaching the Keys as we head into next week. Stay tuned as we fine tune the details of these features over the upcoming forecast cycles.

MARINE. A weak area of high pressure centered just off the Florida Panhandle will continue to slide into the western Atlantic on Thursday. Light to gentle northeast to east breezes are expected tonight through Thursday night. A second, much stronger area of high pressure will move off the coast of the New England Friday and Friday night, resulting in freshening east to southeasterly breezes through Sunday night. Breezes are expected to gradually slacken Monday into early next week.

AVIATION. VFR conditions will prevail at both EYW and MTH island terminals through 12z tomorrow morning. Only FEW to SCT clouds are expected to develop this evening with bases at around 025. Near- nil rain chances are expected for the TAF forecast period. Light and variable winds will become northeast and increase to 5 to 10 knots this evening.

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

Public/Marine/Fire . BT Aviation/Nowcasts . BT Data Acquisition . JAM

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 mi47 min NNE 4.1 G 6 75°F 77°F1020.6 hPa (+1.3)
KYWF1 - 8724580 - Key West, FL 24 mi47 min N 8 G 11 74°F 77°F1020.9 hPa (+1.3)
SANF1 - Sand Key, FL 31 mi27 min N 14 G 15 73°F 1021.1 hPa69°F
JKYF1 - Johnson Key, FL 35 mi107 min 80°F
LRKF1 - Little Rabbit Key, FL 36 mi167 min 80°F
MUKF1 - Murray Key, FL 36 mi107 min 80°F
PKYF1 - Peterson Key, FL 37 mi107 min 78°F
42095 37 mi47 min 74°F 76°F1 ft
BKYF1 41 mi107 min 84°F
WRBF1 - Whipray Basin, FL 43 mi107 min SW 1.9 80°F
WWEF1 43 mi167 min 81°F
GBTF1 - Garfield Bight, FL 44 mi107 min 84°F
CWAF1 44 mi167 min 79°F
BOBF1 - Bob Allen, FL 44 mi107 min 77°F
SREF1 46 mi107 min 77°F
LRIF1 47 mi107 min 80°F
TBYF1 47 mi107 min 83°F
GBIF1 - Gunboat Island, FL 49 mi107 min 78°F

Wind History for Vaca Key, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
The Florida Keys - Marathon International Airport, FL19 mi54 minN 510.00 miFair74°F70°F88%1020.2 hPa
Key West International Airport, FL22 mi2.9 hrsN 510.00 miClear79°F70°F74%1019.2 hPa

Link to 5 minute data for KNQX

Wind History from NQX (wind in knots)
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Last 24hr----------------------CalmCalm--NW4CalmN3CalmN6--------N4
1 day ago----SE8SE8SE7SE7SE7----S8S6S7--S8S6----N5N5N6----N10N8
2 days agoE22
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Tide / Current Tables for Howe Key, south end, Harbor Channel, Florida
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Howe Key
Click for Map
Wed -- 05:00 AM EST     Moonset
Wed -- 06:51 AM EST     -0.18 feet Low Tide
Wed -- 06:52 AM EST     Sunrise
Wed -- 01:27 PM EST     0.62 feet High Tide
Wed -- 03:54 PM EST     Moonrise
Wed -- 05:49 PM EST     0.22 feet Low Tide
Wed -- 06:25 PM EST     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.110.80.60.30-0.1-0.2-0.100.20.40.50.60.60.50.40.30.20.30.50.70.91.1

Tide / Current Tables for No Name Key (northeast of), Florida Current
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No Name Key (northeast of)
Click for Map
Wed -- 03:39 AM EST     0.00 knots Slack
Wed -- 04:59 AM EST     Moonset
Wed -- 06:51 AM EST     Sunrise
Wed -- 07:08 AM EST     0.87 knots Max Flood
Wed -- 09:52 AM EST     -0.00 knots Slack
Wed -- 12:33 PM EST     -0.78 knots Max Ebb
Wed -- 03:53 PM EST     Moonrise
Wed -- 04:13 PM EST     0.00 knots Slack
Wed -- 06:25 PM EST     Sunset
Wed -- 07:10 PM EST     0.57 knots Max Flood
Wed -- 09:27 PM EST     -0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-1-0.9-0.6-0.30.10.50.80.90.80.4-0.1-0.5-0.7-0.8-0.6-0.4-0.10.20.50.60.50.2-0.3-0.8

Weather Map
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wmap_A
GEOS Local Image of    EDIT
NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
Link to Loop

Other links: GEOS-West     Contential US     Full GOES-East
Ground Weather Radar Station



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.