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Marine Weather and Tides
Version 3.4 |
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. 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 7:18AM | Sunset 6:57PM | Monday October 14, 2019 9:01 PM EDT (01:01 UTC) | Moonrise 6:47PM | Moonset 6:52AM | Illumination 98% |  |
GMZ031 Florida Bay Including Barnes Sound, Blackwater Sound, And Buttonwood Sound- 430 Pm Edt Mon Oct 14 2019
Tonight..Northeast to east winds 10 to 15 knots. Bay waters a light to moderate chop. Isolated showers.
Tuesday..East winds near 10 knots. Bay waters a light chop. Isolated showers.
Tuesday night..East to southeast winds near 10 knots early, decreasing to 5 to 10 knots. Bay waters a light chop, becoming smooth to a light chop. Isolated showers.
Wednesday..Southeast to south winds near 5 knots, becoming southwest in the afternoon. Bay waters smooth. Isolated showers.
Wednesday night..West winds near 5 knots. Bay waters smooth. Isolated showers.
Thursday..Variable winds near 5 knots. Bay waters smooth. Isolated showers.
Thursday night..Northwest winds near 5 knots. Bay waters smooth. Isolated showers and Thunderstorms.
Friday..Variable winds near 5 knots. Bay waters smooth. Scattered showers and isolated Thunderstorms.
Friday night..East to southeast winds increasing to near 10 knots. Bay waters becoming a light chop. Scattered showers and isolated Thunderstorms.
Saturday..Southeast winds 10 to 15 knots. Bay waters a light to moderate chop. Scattered showers and isolated Thunderstorms.
Saturday night..East to southeast winds near 15 knots. Bay waters a moderate chop. Scattered showers and isolated Thunderstorms.
Tonight..Northeast to east winds 10 to 15 knots. Bay waters a light to moderate chop. Isolated showers.
Tuesday..East winds near 10 knots. Bay waters a light chop. Isolated showers.
Tuesday night..East to southeast winds near 10 knots early, decreasing to 5 to 10 knots. Bay waters a light chop, becoming smooth to a light chop. Isolated showers.
Wednesday..Southeast to south winds near 5 knots, becoming southwest in the afternoon. Bay waters smooth. Isolated showers.
Wednesday night..West winds near 5 knots. Bay waters smooth. Isolated showers.
Thursday..Variable winds near 5 knots. Bay waters smooth. Isolated showers.
Thursday night..Northwest winds near 5 knots. Bay waters smooth. Isolated showers and Thunderstorms.
Friday..Variable winds near 5 knots. Bay waters smooth. Scattered showers and isolated Thunderstorms.
Friday night..East to southeast winds increasing to near 10 knots. Bay waters becoming a light chop. Scattered showers and isolated Thunderstorms.
Saturday..Southeast winds 10 to 15 knots. Bay waters a light to moderate chop. Scattered showers and isolated Thunderstorms.
Saturday night..East to southeast winds near 15 knots. Bay waters a moderate chop. Scattered showers and isolated 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 141850 afdkey area forecast discussion national weather service key west fl 250 pm edt Mon oct 14 2019 Discussion Water vapor imagery highlights a broad area of mean-layer ridging over the gulf of mexico. A weakened surface high over the western north atlantic stretches west across north-central florida. Satellite derived moisture products from cimms mimic reveal an erosion of the deep tropical moisture across the bahamas and southern florida, corroborated by the 12z kkey, kmfl, and mynn raobs. Gentle to moderate east-southeasterly breezes prevail across the florida keys. Temperatures are in the upper 80s with dewpoints in the mid 70s. Skies are mostly sunny and the kbyx radar detects a few showers dragging through the lower keys. Forecast Forecast reasoning has not changed appreciably in the last 72 hours. The mean- layer ridge over the gulf of mexico will control the weather through the next several days as it lumbers to the east, then southeast to near cuba. The low level ridge axis initially across central florida will sag southward in tandem with the upper ridge's trek towards the western caribbean. Rain chances and breezes will continue to trail off tonight and Tuesday as the low level ridge axis approaches the keys. Slim rain chances and light breezes are expected Tuesday night through Wednesday night as the low-level ridging parks across the keys. The tail-end of a frontal system will brush through florida Thursday and Thursday night, in concert with lower, mid to upper level heights across the gulf of mexico. Dewpoints may try to fall |
into the lower 70s across the keys Thursday night and Friday as the tail-end erodes over southern florida. East southeasterly breezes and rain chances will increase Friday night through Saturday night as the subtropical ridge rebuilds over the western north atlantic. Marine No current watches, warnings, or advisories. From synopsis, high pressure over the western north atlantic will maintain gentle to moderate easterly breezes across the keys coastal waters tonight and Tuesday. The ridge axis will shift southward across the keys late Tuesday night through Thursday night, lending to light breezes. Weak high pressure will build over the carolinas on Friday. Aviation Vfr conditions are expected at both eyw and mth terminals for the rest of the afternoon and evening. Only anticipating a few cumulus clouds around 2500 feet across the island chain, with easterly winds near 10 knots through 06z. Preliminary point temps pops Key west 79 87 79 88 20 10 10 10 marathon 79 89 79 90 20 10 10 10 Key watches warnings advisories Fl... Coastal flood advisory for flz076-077. Gm... None. Public marine fire... Clr aviation nowcasts... .Bt data collection... ... Kbl 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| 9 PM | 10 PM | 11 PM | 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 | |
| Last 24hr | SE G9 | E G13 | E G9 | E G8 | SE G11 | SE G10 | SE G11 | SE G10 | SE G8 | E | E G7 | E | SE G8 | E G10 | E G11 | E G13 | E G12 | E G12 | SE G13 | SE G13 | SE G13 | SE G11 | E G11 | E G13 |
| 1 day ago | NE G23 | NE G20 | E G18 | E G16 | E G16 | E G15 | SE G14 | E G12 | E G13 | SE G16 | E G9 | SE G5 | E G16 | E G9 | SE G11 | SE G13 | SE G13 | E G12 | E G12 | SE G11 | E G13 | E G13 | E G11 | SE G12 |
| 2 days ago | NE G16 | NE | NE G16 | NE G15 | NE G16 | E G9 | NE G15 | NE | NE G16 | NE | NE | NE G18 | NE G17 | E G10 | E G14 | E G15 | E G16 | E G16 | E G12 | NE G14 | E | E G15 | E G17 | NE G19 |
Airport Reports
EDIT (on/off) Help Click EDIT to display multiple airports. Follow links for more data.| Airport | Dist | Age | Wind kt | Visibility | Sky/Weather | Temp | DewPt | Humidity | Pressure |
| The Florida Keys - Marathon International Airport, FL | 22 mi | 69 min | E 10 | 10.00 mi | Fair | 82°F | 72°F | 72% | 1015.6 hPa |
Link to 5 minute data for KMTH
Wind History from MTH (wind in knots)
| 10 PM | 11 PM | 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 | |
| Last 24hr | E | E | E | E | SE G14 | SE | SE | E | E | E | E | E | E | E | E | E | E | SE | E G15 | E | E | E | E | E |
| 1 day ago | NE | E G22 | E | E G21 | E G15 | SE G17 | E G15 | E G14 | E G19 | SE G14 | E G18 | SE | SE | E | E G15 | E G14 | E | E | E | E | E | SE G15 | SE | |
| 2 days ago | NE | NE | NE | NE | NE | NE | NE | NE | NE | NE | NE | NE | E | E | E | E | E | E | NE | E | NE | E | NE G23 | NE G23 |
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
Mon -- 12:32 AM EDT -0.00 knots Slack
Mon -- 03:29 AM EDT -1.46 knots Max Ebb
Mon -- 06:42 AM EDT 0.00 knots Slack
Mon -- 07:20 AM EDT Sunrise
Mon -- 07:53 AM EDT Moonset
Mon -- 09:41 AM EDT 1.40 knots Max Flood
Mon -- 01:04 PM EDT -0.00 knots Slack
Mon -- 03:55 PM EDT -1.43 knots Max Ebb
Mon -- 06:57 PM EDT Sunset
Mon -- 07:11 PM EDT 0.00 knots Slack
Mon -- 07:47 PM EDT Moonrise
Mon -- 09:51 PM EDT 1.13 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Mon -- 12:32 AM EDT -0.00 knots Slack
Mon -- 03:29 AM EDT -1.46 knots Max Ebb
Mon -- 06:42 AM EDT 0.00 knots Slack
Mon -- 07:20 AM EDT Sunrise
Mon -- 07:53 AM EDT Moonset
Mon -- 09:41 AM EDT 1.40 knots Max Flood
Mon -- 01:04 PM EDT -0.00 knots Slack
Mon -- 03:55 PM EDT -1.43 knots Max Ebb
Mon -- 06:57 PM EDT Sunset
Mon -- 07:11 PM EDT 0.00 knots Slack
Mon -- 07:47 PM EDT Moonrise
Mon -- 09:51 PM EDT 1.13 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 |
| 0.4 | -0.3 | -1 | -1.4 | -1.4 | -1.1 | -0.5 | 0.2 | 0.9 | 1.3 | 1.4 | 1.2 | 0.7 | 0 | -0.7 | -1.3 | -1.4 | -1.2 | -0.8 | -0.1 | 0.5 | 1 | 1.1 | 0.9 |
Weather Map
(on/off) Help Weather Map
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 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. |