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Marine Weather and Tides
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6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen |
| Sunrise 6:47AM | Sunset 8:19PM | Thursday July 18, 2019 4:49 AM EDT (08:49 UTC) | Moonrise 8:46PM | Moonset 7:10AM | Illumination 98% |  |
GMZ053 Expires:201907181445;;241996 Fzus52 Kkey 180832 Cwfkey Coastal Waters Forecast For The Florida Keys National Weather Service Key West Fl 432 Am Edt Thu Jul 18 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>075-181445- 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- 432 Am Edt Thu Jul 18 2019
Today..East to southeast winds 10 to 15 knots. Seas 2 to 4 feet. Scattered showers and isolated Thunderstorms mainly in the morning.
Tonight through Friday night..East to southeast winds 10 to 15 knots. Seas 2 to 4 feet. Isolated showers and Thunderstorms.
Saturday..East to southeast winds near 10 knots. Seas 1 to 3 feet. Isolated showers and Thunderstorms.
Saturday night through Sunday night..East to southeast winds 10 to 15 knots. Seas 2 to 4 feet. Scattered showers and isolated Thunderstorms.
Monday and Monday night..East winds near 10 knots. Seas 1 to 3 feet. Isolated showers and Thunderstorms.
Today..East to southeast winds 10 to 15 knots. Seas 2 to 4 feet. Scattered showers and isolated Thunderstorms mainly in the morning.
Tonight through Friday night..East to southeast winds 10 to 15 knots. Seas 2 to 4 feet. Isolated showers and Thunderstorms.
Saturday..East to southeast winds near 10 knots. Seas 1 to 3 feet. Isolated showers and Thunderstorms.
Saturday night through Sunday night..East to southeast winds 10 to 15 knots. Seas 2 to 4 feet. Scattered showers and isolated Thunderstorms.
Monday and Monday night..East winds near 10 knots. Seas 1 to 3 feet. Isolated showers and Thunderstorms.
7 Day Forecast for Marine Location Near Key Colony Beach, FL
Hourly EDIT Helplocation: 24.7, -81.1 debug
Area Discussion for - Key West, FL
(on/off) Help NOTE: mouseover dotted underlined text for definition| Fxus62 kkey 180817 afdkey area forecast discussion national weather service key west fl 417 am edt Thu jul 18 2019 Discussion Currently Under partly cloudy skies and east to southeast winds of around 10 mph, temperatures are holding in lower to mid 80s in most island communities. Meanwhile, local radars are detecting scattered showers and isolated thunderstorms, with the majority of the cells on the outer waters of mainland monroe and the straits of florida. On our coastal waters, winds are east to southeast ranging from 8 knots at alligator reef light to 15 knots at smith shoal light. Short term (today through Saturday night) little change in overall large scale pattern with a deep tropospheric high pressure cell holding firm over the florida peninsula and the adjacent atlantic and gulf waters. With this, large scale subsidence will prevail but with a few patches of higher moisture below 700 mb migrating westward and across our region. Hence, 20 to 30 percent 12 hour pops which coincide with ecs mav seems fine. Plenty of resplendent and strong insolation will result in high temperatures in the lower 90s and low temperatures generally in the lower 80s. Long term (Sunday through Wednesday) the aforementioned (2nd paragraph) and tenacious area of high pressure will slowly settle southeastward into extreme south florida, our region and the bahamas by the middle of next week. Because of the retreating of the anticyclone, the wet convective cell steering flow will transition from westward to northward. Once the steering flow changes, the cuban shadow should keep most of the daytime hours rain free, but cells outflow boundaries may at least threaten our area during the evening and early nighttime |
hours. Furthermore, there are no pronounced low level perturbations or tutt cells evident during this forecast period. Subsequently, 20 to 30 percent pops will be retained. See no reason to stray from high temperatures in the lower 90s and overnight lows in the lower 80s. Marine Gentle to moderate east to southeast winds will prevail on all keys coastal waters for the balance of this week, before slackening into the light to gentle range by the end of this weekend and early next week. Aviation Vfr conditions will prevail at both terminals. Expect vcsh at eyw, possibly through late morning. Passing light showers could develop and affect eyw with a brief MVFR ceiling. Confidence for mth to remain convection free with both terminal having E to SE winds near 10 knots. Meanwhile, eyw could see gusts near 15 knots through at least 19 00z. Climate In 1987, the daily record low temperature of 71 degrees was last recorded in key west. Temperature records date back to 1872. Preliminary point temps pops Key west 91 84 91 84 30 20 20 30 marathon 93 85 93 85 30 20 20 20 Key watches warnings advisories Fl... None. Gm... None. Public marine fire... Apa aviation nowcasts... .Chesser visit us on the web at weather.Gov key follow us on facebook and twitter at: |
Weather Reporting Stations
EDIT (on/off) Help NOTE: Click on distance to see the station location on a map| Stations | Dist | Age | Wind | Air Temp | Water Temp | Waves | Pressure | DewPt |
| VCAF1 - 8723970 - Vaca Key, FL | 1 mi | 49 min | 84°F | 88°F | 1017.5 hPa (-1.2) | |||
| SMKF1 - Sombrero Key, FL | 5 mi | 29 min | E 12 G 14 | 85°F | 1017.4 hPa | 77°F | ||
| LONF1 - Long Key, FL | 16 mi | 29 min | 85°F | 1016.8 hPa | 78°F | |||
| PKYF1 - Peterson Key, FL | 24 mi | 169 min | 87°F | |||||
| JKYF1 - Johnson Key, FL | 27 mi | 169 min | 87°F | |||||
| MUKF1 - Murray Key, FL | 29 mi | 169 min | 86°F | |||||
| BKYF1 | 32 mi | 169 min | 89°F | |||||
| BOBF1 - Bob Allen, FL | 32 mi | 169 min | 88°F | |||||
| WRBF1 - Whipray Basin, FL | 32 mi | 169 min | NE 8 | 88°F | ||||
| GBTF1 - Garfield Bight, FL | 36 mi | 169 min | 89°F | |||||
| TBYF1 | 37 mi | 169 min | 91°F | |||||
| WWEF1 | 38 mi | 169 min | 89°F | |||||
| KYWF1 - 8724580 - Key West, FL | 39 mi | 55 min | 84°F | 89°F | 1017.3 hPa | |||
| BNKF1 - Butternut Key, FL | 41 mi | 169 min | 88°F | |||||
| LMDF1 - Little Madeira, FL | 41 mi | 169 min | 89°F | |||||
| CWAF1 | 42 mi | 169 min | 87°F | |||||
| LRIF1 | 42 mi | 169 min | 88°F | |||||
| TRRF1 - Taylor River, FL | 43 mi | 169 min | 91°F | |||||
| SANF1 - Sand Key, FL | 44 mi | 29 min | ESE 15 G 17 | 84°F | 1015.9 hPa | 78°F | ||
| NRRF1 | 45 mi | 169 min | 88°F | |||||
| SREF1 | 45 mi | 169 min | 88°F | |||||
| JBYF1 | 47 mi | 169 min | 90°F | |||||
| GBIF1 - Gunboat Island, FL | 47 mi | 169 min | 87°F |
Wind History for Vaca Key, FL
(wind in knots) EDIT (on/off) Help| Last 24hr | ||||||||||||||||||||||||
| 1 day ago | ||||||||||||||||||||||||
| 2 days ago |
Airport Reports
EDIT (on/off) Help Click EDIT to display multiple airports| Airport | Dist | Age | Wind kt | Visibility | Sky/Weather | Temp | DewPt | Humidity | Pressure |
| The Florida Keys - Marathon International Airport, FL | 4 mi | 56 min | E 4 | 10.00 mi | Mostly Cloudy | 84°F | 75°F | 77% | 1017.3 hPa |
Wind History from MTH (wind in knots)
| 5 AM | 6 AM | 7 AM | 8 AM | 9 AM | 10 AM | 11 AM | 12 PM | 1 PM | 2 PM | 3 PM | 4 PM | 5 PM | 6 PM | 7 PM | 8 PM | 9 PM | 10 PM | 11 PM | 12 AM | 1 AM | 2 AM | 3 AM | 4 AM | |
| Last 24hr | E | E | E | E | E | SE | SE | SE | SE | SE | SE | SE | SE | SE | E | E | NE | E | E | E | E | E | E | |
| 1 day ago | E | SE | SE G14 | SE | SE | SE | SE | E | SE | SE | SE | SE | SE | E | E | E | E | E | E | E | E | E | E | E |
| 2 days ago | E | E | E | E | E | E G16 | E | E G14 | E G15 | E | E | E | SE | E | E | E | E | E | E | E | E | E | E |
Tide / Current Tables for Boot Key Harbor, Vaca Key, Florida
EDIT Weekend mode (on/off) (on/off) Help One Week of DataBoot Key Harbor
Click for Map
Thu -- 03:56 AM EDT 0.55 feet Low Tide
Thu -- 06:45 AM EDT Sunrise
Thu -- 08:10 AM EDT Moonset
Thu -- 10:13 AM EDT 2.23 feet High Tide
Thu -- 05:24 PM EDT -0.12 feet Low Tide
Thu -- 08:15 PM EDT Sunset
Thu -- 09:46 PM EDT Moonrise
Thu -- 11:30 PM EDT 1.30 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Thu -- 03:56 AM EDT 0.55 feet Low Tide
Thu -- 06:45 AM EDT Sunrise
Thu -- 08:10 AM EDT Moonset
Thu -- 10:13 AM EDT 2.23 feet High Tide
Thu -- 05:24 PM EDT -0.12 feet Low Tide
Thu -- 08:15 PM EDT Sunset
Thu -- 09:46 PM EDT Moonrise
Thu -- 11:30 PM EDT 1.30 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
| 12 am | 1 am | 2 am | 3 am | 4 am | 5 am | 6 am | 7 am | 8 am | 9 am | 10 am | 11 am | 12 pm | 1 pm | 2 pm | 3 pm | 4 pm | 5 pm | 6 pm | 7 pm | 8 pm | 9 pm | 10 pm | 11 pm |
| 1.2 | 1 | 0.8 | 0.6 | 0.5 | 0.7 | 0.9 | 1.3 | 1.8 | 2.1 | 2.2 | 2.2 | 1.9 | 1.5 | 1 | 0.5 | 0.1 | -0.1 | -0.1 | 0.1 | 0.5 | 0.8 | 1.1 | 1.3 |
Tide / Current Tables for Moser Channel (swingbridge), Florida Current
EDIT (on/off) Help One Week of DataMoser Channel (swingbridge)
Click for Map
Thu -- 01:50 AM EDT -0.00 knots Slack
Thu -- 04:47 AM EDT -1.68 knots Max Ebb
Thu -- 06:46 AM EDT Sunrise
Thu -- 07:57 AM EDT 0.00 knots Slack
Thu -- 08:10 AM EDT Moonset
Thu -- 10:24 AM EDT 1.15 knots Max Flood
Thu -- 01:19 PM EDT -0.00 knots Slack
Thu -- 04:43 PM EDT -2.13 knots Max Ebb
Thu -- 08:10 PM EDT 0.00 knots Slack
Thu -- 08:15 PM EDT Sunset
Thu -- 09:46 PM EDT Moonrise
Thu -- 11:00 PM EDT 1.63 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Thu -- 01:50 AM EDT -0.00 knots Slack
Thu -- 04:47 AM EDT -1.68 knots Max Ebb
Thu -- 06:46 AM EDT Sunrise
Thu -- 07:57 AM EDT 0.00 knots Slack
Thu -- 08:10 AM EDT Moonset
Thu -- 10:24 AM EDT 1.15 knots Max Flood
Thu -- 01:19 PM EDT -0.00 knots Slack
Thu -- 04:43 PM EDT -2.13 knots Max Ebb
Thu -- 08:10 PM EDT 0.00 knots Slack
Thu -- 08:15 PM EDT Sunset
Thu -- 09:46 PM EDT Moonrise
Thu -- 11:00 PM EDT 1.63 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
| 12 am | 1 am | 2 am | 3 am | 4 am | 5 am | 6 am | 7 am | 8 am | 9 am | 10 am | 11 am | 12 pm | 1 pm | 2 pm | 3 pm | 4 pm | 5 pm | 6 pm | 7 pm | 8 pm | 9 pm | 10 pm | 11 pm |
| 1.4 | 0.8 | -0.2 | -1 | -1.6 | -1.7 | -1.4 | -0.8 | 0 | 0.8 | 1.1 | 1.1 | 0.8 | 0.2 | -0.6 | -1.4 | -2 | -2.1 | -1.8 | -1.1 | -0.2 | 0.8 | 1.4 | 1.6 |
Weather Map and Satellite Images
(on/off) HelpWeather Map
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 (4,6,7,8)
(on/off) Help
Ground Weather Radar Station Key West, FL
(on/off) Help
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. |