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Marine Weather and Tides
Version 3.4 |
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 6:41AM | Sunset 8:15PM | Friday July 19, 2019 12:15 AM EDT (04:15 UTC) | Moonrise 9:23PM | Moonset 8:00AM | Illumination 96% |  |
GMZ031 Florida Bay Including Barnes Sound, Blackwater Sound, And Buttonwood Sound- 1026 Pm Edt Thu Jul 18 2019
Overnight..East winds near 10 knots, increasing to 10 to 15 knots. Bay waters a light chop, becoming a light to moderate chop. Isolated showers and Thunderstorms.
Friday..East to southeast winds 10 to 15 knots, decreasing to near 10 knots. Bay waters a light to moderate chop, becoming a light chop. Isolated showers and Thunderstorms.
Friday night..East to southeast winds increasing to 10 to 15 knots. Bay waters becoming a light to moderate chop. Isolated showers and Thunderstorms.
Saturday..East to southeast winds decreasing to near 10 knots. Bay waters becoming a light chop. Isolated showers and Thunderstorms.
Saturday night and Sunday..East to southeast winds near 10 knots. Bay waters a light chop. Scattered showers and isolated Thunderstorms.
Sunday night..East winds near 10 knots. Bay waters a light chop. Isolated showers and Thunderstorms.
Monday..East to southeast winds 5 to 10 knots. Bay waters smooth to a light chop. Isolated showers and Thunderstorms.
Monday night..East winds 5 to 10 knots. Bay waters smooth to a light chop. Isolated showers and Thunderstorms.
Tuesday..Southeast winds 5 to 10 knots. Bay waters smooth to a light chop. Isolated showers and Thunderstorms.
Tuesday night..Southeast winds near 5 knots. Bay waters smooth. Isolated showers and Thunderstorms.
Overnight..East winds near 10 knots, increasing to 10 to 15 knots. Bay waters a light chop, becoming a light to moderate chop. Isolated showers and Thunderstorms.
Friday..East to southeast winds 10 to 15 knots, decreasing to near 10 knots. Bay waters a light to moderate chop, becoming a light chop. Isolated showers and Thunderstorms.
Friday night..East to southeast winds increasing to 10 to 15 knots. Bay waters becoming a light to moderate chop. Isolated showers and Thunderstorms.
Saturday..East to southeast winds decreasing to near 10 knots. Bay waters becoming a light chop. Isolated showers and Thunderstorms.
Saturday night and Sunday..East to southeast winds near 10 knots. Bay waters a light chop. Scattered showers and isolated Thunderstorms.
Sunday night..East winds near 10 knots. Bay waters a light chop. Isolated showers and Thunderstorms.
Monday..East to southeast winds 5 to 10 knots. Bay waters smooth to a light chop. Isolated showers and Thunderstorms.
Monday night..East winds 5 to 10 knots. Bay waters smooth to a light chop. Isolated showers and Thunderstorms.
Tuesday..Southeast winds 5 to 10 knots. Bay waters smooth to a light chop. Isolated showers and Thunderstorms.
Tuesday night..Southeast winds near 5 knots. Bay waters smooth. Isolated showers and Thunderstorms.
7 Day Forecast for Marine Location Near Layton, FL
Hourly EDIT Helplocation: 24.8, -80.65 debug
Area Discussion for - Key West, FL
(on/off) Help NOTE: mouseover dotted underlined text for definition| Fxus62 kkey 190222 afdkey area forecast discussion national weather service key west fl 1022 pm edt Thu jul 18 2019 Discussion Water vapor imagery reveals a chaotic maelstrom across the western north atlantic and the southeastern united states. Nldn lightning data highlights the release of daytime heating throughout the same region, with thunderstorms flourishing along diurnal boundaries. The one exception is across the western north atlantic where a tutt-like cell and its steepened mid-upper level lapse rates have tapped into the lower level maritime cumulus. Mean low-level ridging continues to stretch west across northern florida, and yet it has weakened in the last 12 hours, with falling heights (see regional 00z raobs) between 925-700 mb. The 200 mb raobs (mfl, key, and mynn) did not register the western periphery of the previously analyzed tutt-like feature. This may be due to contamination from convective anvils, because satellite derived vorticity products from cimms seem to think its there. Nevertheless, this feature may come into play Friday through Sunday as it lumbers westward. Forecast We tweaked the wind forecast to account for a subtle nocturnal east-southeasterly surge which is now impinging along the reef tract, with winds on the low end of 10 to 15 knots. We have held at slight rain chances overnight due to inhibition and dry air sampled at 880 mb by the kkey raob. The forecast is on track and needs no further adjustments. Marine High pressure will extend from the atlantic westward across the |
florida peninsula tonight through Sunday. This will result in gentle to moderate, east to southeast breezes. Breezes will diminish Monday through Tuesday night as high pressure settles southward towards the florida keys. We have winds trending to 5 to 10 knots Tuesday and Tuesday night across the straits of florida, where in fact the eastern straits southeast of the upper keys will be closer to near 10 knots, and the western straits closer to near 5 knots. Aviation Vfr conditions will prevail for the overnight period. Showers thus far has stayed over the gulfside waters and are moving west. Remnant boundaries from earlier convection off of southern mainland florida reside over the extreme southeast gulf waters while boundaries from andros island are moving westward in the flow. Together these boundaries could initiate further convection and could possible move over the terminals. Exact timing and placement is too low at this time to include in the forecast. Preliminary point temps pops Key west 83 91 83 91 20 20 30 30 marathon 83 93 83 93 20 20 20 30 Key watches warnings advisories Fl... None. Gm... None. Public marine fire... Clr aviation nowcasts... .Liw data collection... ... Sd 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 mapWind 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 | 22 mi | 23 min | E 7 | 10.00 mi | A Few Clouds | 85°F | 73°F | 70% | 1018.4 hPa |
Wind History from MTH (wind in knots)
| 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 | 12 AM | |
| Last 24hr | E | E | E | E | E | SE G16 | SE | SE | SE | SE | SE | SE | SE | SE | SE | SE | E | E | E | E | E | E | ||
| 1 day ago | E | E | E | E | E | E | E | E | E | SE | SE | SE | SE | SE | SE | SE | SE | SE | E | E | NE | E | E | |
| 2 days ago | E | E | E | E | E | SE | SE G14 | SE | SE | SE | SE | E | SE | SE | SE | SE | SE | E | E | E | E | E | E | E |
Tide / Current Tables for Alligator Reef, Hawk Channel, Florida
EDIT Weekend mode (on/off) (on/off) Help One Week of DataTide / Current data from XTide NOT FOR NAVIGATION
Tide / Current Tables for Long Key, east of drawbridge, Florida Current
EDIT (on/off) Help One Week of DataLong Key
Click for Map
Fri -- 02:23 AM EDT -0.00 knots Slack
Fri -- 05:05 AM EDT -1.12 knots Max Ebb
Fri -- 06:44 AM EDT Sunrise
Fri -- 08:16 AM EDT 0.00 knots Slack
Fri -- 09:01 AM EDT Moonset
Fri -- 10:55 AM EDT 0.92 knots Max Flood
Fri -- 02:00 PM EDT -0.00 knots Slack
Fri -- 05:07 PM EDT -1.38 knots Max Ebb
Fri -- 08:13 PM EDT Sunset
Fri -- 08:30 PM EDT 0.00 knots Slack
Fri -- 10:23 PM EDT Moonrise
Fri -- 11:28 PM EDT 1.20 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Fri -- 02:23 AM EDT -0.00 knots Slack
Fri -- 05:05 AM EDT -1.12 knots Max Ebb
Fri -- 06:44 AM EDT Sunrise
Fri -- 08:16 AM EDT 0.00 knots Slack
Fri -- 09:01 AM EDT Moonset
Fri -- 10:55 AM EDT 0.92 knots Max Flood
Fri -- 02:00 PM EDT -0.00 knots Slack
Fri -- 05:07 PM EDT -1.38 knots Max Ebb
Fri -- 08:13 PM EDT Sunset
Fri -- 08:30 PM EDT 0.00 knots Slack
Fri -- 10:23 PM EDT Moonrise
Fri -- 11:28 PM EDT 1.20 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 |
| 1.2 | 0.8 | 0.3 | -0.4 | -0.9 | -1.1 | -1 | -0.7 | -0.2 | 0.4 | 0.8 | 0.9 | 0.8 | 0.5 | 0 | -0.6 | -1.2 | -1.4 | -1.3 | -0.9 | -0.3 | 0.3 | 0.9 | 1.2 |
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 (0,6,7,8)
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Ground Weather Radar Station Miami, FL
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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. |