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Marine Weather and Tides
Version 3.4 |
3/30/2021 -- ANZ330 has been split into ANZ331 and ANZ332. Click EDIT in Marine Forecast and select your new zone. 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 6:53AM | Sunset 8:14PM | Thursday July 29, 2021 5:31 PM EDT (21:31 UTC) | Moonrise 11:09PM | Moonset 11:01AM | Illumination 70% |  |
GMZ043 Expires:202107300230;;659870 Fzus52 Kkey 292030 Cwfkey Coastal Waters Forecast For The Florida Keys National Weather Service Key West Fl 430 Pm Edt Thu Jul 29 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. Gmz042>044-300230- Hawk Channel From Ocean Reef To Craig Key Out To The Reef- Hawk Channel From Craig Key To West End Of Seven Mile Bridge Out To The Reef- Hawk Channel From West End Of Seven Mile Bridge To Halfmoon Shoal Out To The Reef- 430 Pm Edt Thu Jul 29 2021
Tonight..East to southeast winds near 5 knots, increasing to 5 to 10 knots. Seas around 1 foot. NEarshore waters smooth, becoming smooth to a light chop. Isolated showers and Thunderstorms.
Friday..Southeast winds 5 to 10 knots. Seas around 1 foot. NEarshore waters smooth to a light chop. Scattered showers and isolated Thunderstorms.
Friday night..East to southeast winds 5 to 10 knots. Seas 1 to 2 feet. NEarshore waters smooth to a light chop. Isolated showers and Thunderstorms.
Saturday and Saturday night..East to southeast winds 5 to 10 knots. Seas around 1 foot. NEarshore waters smooth to a light chop. Isolated showers and Thunderstorms.
Sunday..Southeast winds 5 to 10 knots. Seas around 1 foot. NEarshore waters smooth to a light chop. Isolated showers and Thunderstorms.
Sunday night..Southeast winds near 10 knots, increasing to 10 to 15 knots. Seas building to around 2 feet. NEarshore waters a light chop, becoming a light to moderate chop. Scattered showers and isolated Thunderstorms.
Monday and Monday night..Southeast to south winds near 10 knots. Seas 1 to 2 feet. NEarshore waters a light chop. Scattered showers and isolated Thunderstorms.
Tuesday..Southeast to south winds 5 to 10 knots. Seas around 1 foot. NEarshore waters smooth to a light chop. Scattered showers and isolated Thunderstorms.
Tuesday night..East to southeast winds increasing to near 10 knots. Seas 1 to 2 feet. NEarshore waters becoming a light chop. Isolated showers and Thunderstorms.
Tonight..East to southeast winds near 5 knots, increasing to 5 to 10 knots. Seas around 1 foot. NEarshore waters smooth, becoming smooth to a light chop. Isolated showers and Thunderstorms.
Friday..Southeast winds 5 to 10 knots. Seas around 1 foot. NEarshore waters smooth to a light chop. Scattered showers and isolated Thunderstorms.
Friday night..East to southeast winds 5 to 10 knots. Seas 1 to 2 feet. NEarshore waters smooth to a light chop. Isolated showers and Thunderstorms.
Saturday and Saturday night..East to southeast winds 5 to 10 knots. Seas around 1 foot. NEarshore waters smooth to a light chop. Isolated showers and Thunderstorms.
Sunday..Southeast winds 5 to 10 knots. Seas around 1 foot. NEarshore waters smooth to a light chop. Isolated showers and Thunderstorms.
Sunday night..Southeast winds near 10 knots, increasing to 10 to 15 knots. Seas building to around 2 feet. NEarshore waters a light chop, becoming a light to moderate chop. Scattered showers and isolated Thunderstorms.
Monday and Monday night..Southeast to south winds near 10 knots. Seas 1 to 2 feet. NEarshore waters a light chop. Scattered showers and isolated Thunderstorms.
Tuesday..Southeast to south winds 5 to 10 knots. Seas around 1 foot. NEarshore waters smooth to a light chop. Scattered showers and isolated Thunderstorms.
Tuesday night..East to southeast winds increasing to near 10 knots. Seas 1 to 2 feet. NEarshore waters becoming a light chop. Isolated showers and Thunderstorms.
7 Day Forecast for Marine Location Near Duck Key, FL
Hourly EDIT Help
location: 24.79, -80.88 debug
Area Discussion for - Key West, FL
(on/off) Help NOTE: mouseover dotted underlined text for definitionFXUS62 KKEY 291906 AFDKEY
Area Forecast Discussion National Weather Service Key West FL 306 PM EDT Thu Jul 29 2021
DISCUSSION. Despite the 12z sounding at KEY sampling anomalously dry air at around 950 mb, a cloud line was able to fire again earlier this afternoon, as cloud streamers were apparently agitated by an outflow boundary that pushed northward from convection over the Straits of Florida. KBYX radar trends have been downward over the past hour or so, and as the atmosphere continues to be worked over, expect this convection to be essentially gone in the next couple of hours.
The ridge axis that has straddled the island chain over the past day or so is slowly progressing northward. This is supported by recent observations in the Bayside and Gulfside waters now showing an east to southeast wind direction. This should allow a pocket of relatively drier air in the vicinity of the Bahamas to push toward the island chain this evening and overnight. With only gentle steering flow, only a slight chance of rain and thunder is expected tonight, with a slight uptick in rain chances for tomorrow as yet another cloud line may fire.
All numerical modeling guidance shows a much more formidable pocket of dry air is progged to move into the area for Friday through at least Saturday night as the ridge results in large- scale general subsidence. Thereafter, an upper-level trough is expected to approach the Florida Peninsula late in the weekend and into early next week, which should disrupt some of the large-scale ridging. However, with the low-level convergence associated with the trough expected to remain well to our north and soundings indicative of no major moisture anomalies, will edge PoPs to near- normal levels (around 30%) for now for Monday through mid- week.
MARINE. There are no watches, warnings, or advisories in effect for the Florida Keys coastal waters. From synopsis, a ridge axis in the vicinity of the Bayside and Gulfside waters will slide northward tonight before settling over south- central Florida tomorrow through the end of the weak. This will result generally gentle east to southeast breezes. Rain and thunder chances will remain near- to or slightly below normal through much of the weekend, with perhaps a slight uptick in rain chances for Sunday night into at least the early part of next week.
AVIATION. VFR conditions will prevail at both the EYW and MTH terminals through 18z/30th. Cloud line development north of EYW has resulted in an inclusion of VCSH for the terminal through 20z. Otherwise, winds will remain light out of the east to southeast with brief bouts of variability.
KEY WATCHES/WARNINGS/ADVISORIES. FL . None. GM . None.
Public/Marine/Fire . BT Aviation/Nowcasts . Williams Data Acquisition . DR
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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| 5 PM | 6 PM | 7 PM | 8 PM | 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 | |
| Last 24hr | N | N G5 | NE | NE | NE | E | NE | E G7 | E G5 | NE | SE | SE | SE | SE | SE | SE | SE G6 | SE G8 | E G7 | SE G5 | SE G7 | E G5 | N G10 | NE |
| 1 day ago | W G7 | SW G6 | SW G5 | W | S | S | S | S | S | S G6 | S | S | -- | S | S | SE | SE | E G6 | SE | SE G7 | E | SW G6 | NW | NW |
| 2 days ago | SE G8 | S G7 | SE G8 | S | S | S | S G7 | S | S | SW G5 | SW | S G6 | SW | SW | S | SE | W G20 | NW G7 | W G7 | SW G7 | SW G6 | W G8 | SW G6 | S G9 |
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 | 10 mi | 38 min | Var 3 | 10.00 mi | Mostly Cloudy | 87°F | 75°F | 67% | 1015.8 hPa |
Link to 5 minute data for KMTH
Wind History from MTH (wind in knots)
| 6 PM | 7 PM | 8 PM | 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 | |
| Last 24hr | N | N | Calm | NE | E | NE | NE | Calm | N | Calm | SE | SE | SE | SE | SE | SE | SE | SE | SE | Calm | ||||
| 1 day ago | S | S | SW | S | SE | SE | S | S | S | S | S | Calm | Calm | Calm | Calm | SE | SE | S | Calm | N | Calm | |||
| 2 days ago | S | S | SE | S | S | SW | SW | SW | SW | Calm | Calm | S | S | W | S | S | S | S |
Tide / Current Tables for Long Key Channel (West), Florida
EDIT Weekend mode (on/off) (on/off) Help One Week of DataLong Key Channel (West)
Click for Map
Thu -- 01:38 AM EDT 0.06 feet Low Tide
Thu -- 06:50 AM EDT Sunrise
Thu -- 08:19 AM EDT 1.05 feet High Tide
Thu -- 12:01 PM EDT Moonset
Thu -- 01:50 PM EDT 0.22 feet Low Tide
Thu -- 08:09 PM EDT Sunset
Thu -- 08:23 PM EDT 1.07 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Thu -- 01:38 AM EDT 0.06 feet Low Tide
Thu -- 06:50 AM EDT Sunrise
Thu -- 08:19 AM EDT 1.05 feet High Tide
Thu -- 12:01 PM EDT Moonset
Thu -- 01:50 PM EDT 0.22 feet Low Tide
Thu -- 08:09 PM EDT Sunset
Thu -- 08:23 PM EDT 1.07 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 |
| 0.3 | 0.1 | 0.1 | 0.2 | 0.4 | 0.6 | 0.8 | 1 | 1 | 1 | 0.9 | 0.7 | 0.4 | 0.3 | 0.2 | 0.3 | 0.5 | 0.6 | 0.8 | 1 | 1.1 | 1 | 0.9 | 0.7 |
Tide / Current Tables for Long Key Viaduct, Florida Current
EDIT (on/off) Help One Week of DataLong Key Viaduct
Click for Map
Thu -- 01:00 AM EDT 0.81 knots Max Flood
Thu -- 04:16 AM EDT -0.00 knots Slack
Thu -- 06:50 AM EDT Sunrise
Thu -- 07:37 AM EDT -1.12 knots Max Ebb
Thu -- 10:59 AM EDT 0.00 knots Slack
Thu -- 12:01 PM EDT Moonset
Thu -- 01:24 PM EDT 0.74 knots Max Flood
Thu -- 04:43 PM EDT -0.00 knots Slack
Thu -- 08:01 PM EDT -1.00 knots Max Ebb
Thu -- 08:09 PM EDT Sunset
Thu -- 11:21 PM EDT 0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Thu -- 01:00 AM EDT 0.81 knots Max Flood
Thu -- 04:16 AM EDT -0.00 knots Slack
Thu -- 06:50 AM EDT Sunrise
Thu -- 07:37 AM EDT -1.12 knots Max Ebb
Thu -- 10:59 AM EDT 0.00 knots Slack
Thu -- 12:01 PM EDT Moonset
Thu -- 01:24 PM EDT 0.74 knots Max Flood
Thu -- 04:43 PM EDT -0.00 knots Slack
Thu -- 08:01 PM EDT -1.00 knots Max Ebb
Thu -- 08:09 PM EDT Sunset
Thu -- 11:21 PM EDT 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 |
| 0.7 | 0.8 | 0.7 | 0.5 | 0.1 | -0.3 | -0.8 | -1.1 | -1.1 | -0.9 | -0.5 | 0 | 0.5 | 0.7 | 0.7 | 0.5 | 0.3 | -0.1 | -0.6 | -0.9 | -1 | -0.9 | -0.6 | -0.2 |
Weather Map
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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.
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