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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 6:59AM | Sunset 5:40PM | Wednesday December 11, 2019 2:01 AM EST (07:01 UTC) | Moonrise 5:24PM | Moonset 6:16AM | Illumination 100% |  |
GMZ053 Expires:201912110930;;170829 Fzus52 Kkey 110333 Cwfkey Coastal Waters Forecast For The Florida Keys National Weather Service Key West Fl 1033 Pm Est Tue Dec 10 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>075-110930- 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- 1033 Pm Est Tue Dec 10 2019
.small craft should exercise caution until winds decrease...
Overnight..East to southeast winds 15 to 20 knots, decreasing to 10 to 15 knots. Seas 3 to 5 feet. Isolated showers.
Wednesday..East winds 10 to 15 knots. Seas 2 to 4 feet. Isolated showers.
Wednesday night..Northeast to east winds 10 to 15 knots, increasing to near 15 knots. Seas 2 to 3 feet, building to 3 to 5 feet after midnight. Isolated showers.
Thursday..Northeast to east winds 15 to 20 knots. Seas 3 to 5 feet. Isolated showers.
Thursday night..East winds 15 to 20 knots. Seas 4 to 6 feet. Isolated showers.
Friday..East to southeast winds near 15 knots, decreasing to near 10 knots. Seas 2 to 5 feet due to a north to northeasterly swell. Isolated showers.
Friday night..Southeast to south winds 5 to 10 knots. Seas 2 to 3 feet, except 3 to 4 feet off the upper keys due to a northerly swell. Scattered showers.
Saturday..Southwest to west winds 5 to 10 knots. Seas 1 to 3 feet. Isolated showers.
Saturday night..Northwest to north winds 5 to 10 knots. Seas 1 to 2 feet. Isolated showers.
Sunday..Northeast to east winds near 10 knots. Seas 1 to 2 feet.
Sunday night..East winds near 15 knots. Seas 3 to 4 feet.
.small craft should exercise caution until winds decrease...
Overnight..East to southeast winds 15 to 20 knots, decreasing to 10 to 15 knots. Seas 3 to 5 feet. Isolated showers.
Wednesday..East winds 10 to 15 knots. Seas 2 to 4 feet. Isolated showers.
Wednesday night..Northeast to east winds 10 to 15 knots, increasing to near 15 knots. Seas 2 to 3 feet, building to 3 to 5 feet after midnight. Isolated showers.
Thursday..Northeast to east winds 15 to 20 knots. Seas 3 to 5 feet. Isolated showers.
Thursday night..East winds 15 to 20 knots. Seas 4 to 6 feet. Isolated showers.
Friday..East to southeast winds near 15 knots, decreasing to near 10 knots. Seas 2 to 5 feet due to a north to northeasterly swell. Isolated showers.
Friday night..Southeast to south winds 5 to 10 knots. Seas 2 to 3 feet, except 3 to 4 feet off the upper keys due to a northerly swell. Scattered showers.
Saturday..Southwest to west winds 5 to 10 knots. Seas 1 to 3 feet. Isolated showers.
Saturday night..Northwest to north winds 5 to 10 knots. Seas 1 to 2 feet. Isolated showers.
Sunday..Northeast to east winds near 10 knots. Seas 1 to 2 feet.
Sunday night..East winds near 15 knots. Seas 3 to 4 feet.
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 definitionFXUS62 KKEY 110333 AFDKEY
Area Forecast Discussion National Weather Service Key West FL 1033 PM EST Tue Dec 10 2019
DISCUSSION. Currently - An Atlantic ridge extends west southwestward nosing across the southern Florida Peninsula and into the Gulf of Mexico. As a result, there is a substantial wind speed gradient across our area, with moderate east to southeast winds across the Florida Straits and light to gentle breezes over the gulf and bay waters. Skies are mostly clear along the island chain while scattered out past the gulf stream. This evenings sounding indicated decent low level veering. However, as of the sounding, there is a subtle inversion around 930 mb with drier air above. Only a few showers have recently developed over the warmer gulf stream waters.
Short Term Update - The ridge to our north will retreat some overnight resulting in winds becoming more uniform speedwise out of the east to southeast. Some semblance of low level veering is expected to remain in place for much of the night and the inhibition layer should erode away. Advertised slight chance of precipitation is still warranted, however most of the shower activity should remain over the straits. Temperatures will fall only a few more degrees into the mid 70s and dew points will linger in the mid 70s.
MARINE. A ridge to our north will retreat some back into the Atlantic overnight. As a result, winds across the straits will relax overnight a bit closer to the 10 knots or less over the gulf and bay side waters. Cautions will remain in effect for the Straits until winds to decrease. Otherwise very little changes made in the evening marine update.
AVIATION. VFR conditions expected at the island terminals overnight. Surface winds will be light out of the east southeast.
KEY WATCHES/WARNINGS/ADVISORIES. FL . None. GM . None.
Public/Marine/Fire . 11 Aviation/Nowcasts . 11 Data Collection . DR
Visit us on the web at weather.gov/key
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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| 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 | 1 AM | |
| Last 24hr | SE G10 | SE G11 | SE G10 | SE G11 | SE G10 | SE G10 | SE G11 | SE G14 | SE G14 | SE G14 | SE G11 | SE G12 | SE G13 | SE G11 | SE G11 | SE G10 | SE G7 | SE G9 | SE G10 | SE G9 | SE G10 | SE G9 | SE G9 | SE G11 |
| 1 day ago | SE G9 | SE G9 | E G8 | E | E | E | E G10 | SE G12 | E G12 | SE G12 | E G11 | E G15 | E G13 | E G13 | E G15 | E G13 | E G10 | E G9 | E G9 | E G11 | E G10 | E G11 | E G12 | E G10 |
| 2 days ago | NE | NE | NE | NE | NE | NE | NE | NE G9 | NE | E G12 | E G13 | E G15 | E G12 | E G10 | E | E G11 | E G12 | E G8 | E G9 | E G11 | E G8 |
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 | 4 mi | 69 min | SE 7 | 10.00 mi | Mostly Cloudy | 79°F | 73°F | 85% | 1019 hPa |
Link to 5 minute data for KMTH
Wind History from MTH (wind in knots)
| 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 | 1 AM | 2 AM | |
| Last 24hr | E | E | SE | SE | SE | SE | SE | SE | SE | SE | SE | SE | SE | SE | SE | SE | E | E | SE | E | SE | SE | SE | SE |
| 1 day ago | E | E | E | E | E | E | E | E | E | E | E G16 | E | E G16 | E G16 | E | E | E | E | E | E | E | E | E | E |
| 2 days ago | N | NE | NE | NE | NE | NE | NE | NE | NE | NE | NE | E | E | E | 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
Wed -- 02:18 AM EST -0.15 feet Low Tide
Wed -- 06:16 AM EST Moonset
Wed -- 06:58 AM EST Sunrise
Wed -- 08:41 AM EST 1.50 feet High Tide
Wed -- 01:36 PM EST 0.68 feet Low Tide
Wed -- 05:23 PM EST Moonrise
Wed -- 05:36 PM EST Sunset
Wed -- 07:54 PM EST 2.35 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Wed -- 02:18 AM EST -0.15 feet Low Tide
Wed -- 06:16 AM EST Moonset
Wed -- 06:58 AM EST Sunrise
Wed -- 08:41 AM EST 1.50 feet High Tide
Wed -- 01:36 PM EST 0.68 feet Low Tide
Wed -- 05:23 PM EST Moonrise
Wed -- 05:36 PM EST Sunset
Wed -- 07:54 PM EST 2.35 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 |
| 0.5 | 0.1 | -0.1 | -0.1 | 0.1 | 0.5 | 0.9 | 1.3 | 1.5 | 1.5 | 1.4 | 1.1 | 0.9 | 0.7 | 0.7 | 0.9 | 1.2 | 1.6 | 2 | 2.3 | 2.4 | 2.2 | 1.9 | 1.3 |
Tide / Current Tables for Moser Channel (swingbridge), Florida Current
EDIT (on/off) Help One Week of DataMoser Channel (swingbridge)
Click for Map
Wed -- 01:45 AM EST -2.32 knots Max Ebb
Wed -- 05:09 AM EST 0.00 knots Slack
Wed -- 06:16 AM EST Moonset
Wed -- 06:58 AM EST Sunrise
Wed -- 08:06 AM EST 2.01 knots Max Flood
Wed -- 11:34 AM EST -0.00 knots Slack
Wed -- 02:29 PM EST -1.89 knots Max Ebb
Wed -- 05:24 PM EST Moonrise
Wed -- 05:36 PM EST Sunset
Wed -- 05:44 PM EST 0.00 knots Slack
Wed -- 08:05 PM EST 1.28 knots Max Flood
Wed -- 10:54 PM EST -0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Wed -- 01:45 AM EST -2.32 knots Max Ebb
Wed -- 05:09 AM EST 0.00 knots Slack
Wed -- 06:16 AM EST Moonset
Wed -- 06:58 AM EST Sunrise
Wed -- 08:06 AM EST 2.01 knots Max Flood
Wed -- 11:34 AM EST -0.00 knots Slack
Wed -- 02:29 PM EST -1.89 knots Max Ebb
Wed -- 05:24 PM EST Moonrise
Wed -- 05:36 PM EST Sunset
Wed -- 05:44 PM EST 0.00 knots Slack
Wed -- 08:05 PM EST 1.28 knots Max Flood
Wed -- 10:54 PM EST -0.00 knots Slack
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 |
| -1.5 | -2.2 | -2.3 | -2 | -1.2 | -0.2 | 0.9 | 1.7 | 2 | 1.9 | 1.4 | 0.6 | -0.4 | -1.3 | -1.8 | -1.8 | -1.4 | -0.7 | 0.2 | 1 | 1.3 | 1.1 | 0.6 | -0.1 |
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 (2,6,7,8)
(on/off) Help
Ground Weather Radar Station Key West, FL
(on/off) Help
Gulf Stream Current
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