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Marine Weather and Tides
Version 3.4 |
6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported. 5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive. 5/19/2016 - There were issues with the 3 day airport observation history. I switched to another data source. Let me know if you see any issues with the data feeds. |
| Sunrise 6:54AM | Sunset 7:55PM | Thursday August 17, 2017 7:31 AM EDT (11:31 UTC) | Moonrise 1:36AM | Moonset 3:24PM | Illumination 23% |  |
Marine Forecasts
EDIT (on/off) Help| AMZ651 Coastal Waters From Deerfield Beach To Ocean Reef Fl Out 20 Nm- Waters From Deerfield Beach To Ocean Reef Fl From 20 To 60 Nm Excluding The Territorial Waters Of Bahamas- 306 Am Edt Thu Aug 17 2017 Today..East southeast winds 5 to 10 knots. Seas around 2 feet. Dominant period 4 seconds. Intracoastal waters a light chop. A chance of showers in the morning. A slight chance of Thunderstorms through the day. A slight chance of showers in the afternoon. Tonight..East southeast winds 5 to 10 knots along the coast to east southeast 10 to 15 knots in the gulf stream. Seas around 2 feet. Dominant period 3 seconds. Intracoastal waters a moderate chop. A chance of showers and Thunderstorms. Friday..East southeast winds 10 to 15 knots. Seas around 2 feet. Dominant period 4 seconds. Intracoastal waters a moderate chop. A slight chance of showers. A slight chance of Thunderstorms in the afternoon. Friday night..East southeast winds 10 to 15 knots. Seas 2 to 3 feet. Dominant period 3 seconds. Intracoastal waters a moderate chop. A chance of showers and Thunderstorms. Saturday..East southeast winds 10 to 15 knots. Seas 2 to 3 feet. Intracoastal waters a moderate chop. Showers and Thunderstorms likely. Saturday night..Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Intracoastal waters a moderate chop. A chance of showers and Thunderstorms. Sunday..East southeast winds 10 to 15 knots. Seas 2 to 4 feet with occasional seas to 5 feet. Intracoastal waters a moderate chop. A chance of showers and Thunderstorms. Sunday night..East southeast winds 15 to 20 knots. Seas 2 to 4 feet with occasional seas to 5 feet. Intracoastal waters choppy in exposed areas. A chance of showers and Thunderstorms. Monday..East winds around 15 knots. Seas 2 to 4 feet with occasional seas to 5 feet. Intracoastal waters a moderate chop. A chance of showers and Thunderstorms. | AMZ600 Synopsis For Jupiter Inlet To Ocean Reef Fl Out To 60 Nm And For East Cape Sable To Bonita Beach Fl Out To 60 Nm- 306 Am Edt Thu Aug 17 2017 Synopsis..High pressure over the region will keep light to moderate east to southeast flow over the coastal waters, as well as the slight chance for showers and Thunderstorms. An upper level low pressure system approaching from the east will bring a higher chance for Thunderstorm activity Saturday into Sunday. Seas are forecast to run less than 2 feet until the weekend, then slowly build to 2 to 4 feet, under a strengthening easterly wind. Gulf stream hazards..None. The approximate location of the west wall of the gulf stream as of aug 17, 2017 at 1200 utc... 7 nautical miles east of fowey rocks. 11 nautical miles east of port everglades. 11 nautical miles east southeast of lake worth. 14 nautical miles east northeast of jupiter inlet. This data courtesy of the naval oceanographic office. |
7 Day Forecast for Marine Location Near Key Biscayne village, FL
Hourly EDIT Helplocation: 25.7, -80.17 debug
Area Discussion for - Miami-South Florida, FL
(on/off) Help NOTE: mouseover dotted underlined text for definition| Fxus62 kmfl 170754 afdmfl area forecast discussion national weather service miami fl 354 am edt Thu aug 17 2017 Discussion Latest water vapor imagery shows a large dome of high pressure dominating the florida peninsula, with little in the way of synoptic features to note. Surface high pressure continues to sit stagnant, stretching from the eastern gulf of mexico to the western atlantic. The mfl 00z mfl sounding displayed light easterly winds from the surface to above 300 mb with pwat values just shy of 1.70". As with the past several nights, short range models indicate mostly dry conditions with a slight chance of showers over the atlantic waters. Not much change is expected in the synoptic pattern today, leading to a very similar setup as yesterday. Light south easterly flow will allow both the atlantic and gulf sea breezes to develop. These breezes should once again trigger isolated scattered garden variety showers and thunderstorms inland from the coasts, moving towards the interior through the afternoon. Maximum temperatures will range from the low to mid 90s across the region, a couple degrees warmer than average for this time of year. On Friday, southeast flow will continue with a pocket of drier air advecting in from the southeast. GFS forecast pwat values drop to below 1.50" by the late afternoon. Thus, expecting less thunderstorms coverage, especially over the south and eastern portion of the cwa. Saturday through early next week: on Saturday, both the GFS and ecmwf agree in pushing an upper level low pressure system towards south florida from the east. Pwats associated with this feature are forecast to increase over 2.00" by Saturday afternoon. Deeper moisture, along with various impulses of positive vorticity advection, will bring more of a widespread rain threat to the east coast metro region than previous days. Conditions stay favorable for elevated shower and thunderstorm activity through Sunday, before decreasing slightly on Monday. Long range models are indicating yet another tropical wave to affect south florida late Tuesday into mid next week, elevating the threat for heavier and more widespread showers and thunderstorms. |
Marine High pressure over the region will keep light to moderate east to southeast flow over the coastal waters, as well as the slight chance for showers and thunderstorms. An upper level low pressure system approaching from the east will bring a higher chance for thunderstorm activity Saturday into Sunday. Seas are forecast to run less than 2 feet until the weekend, then slowly build to 2 to 4 feet, under a strengthening easterly wind. Gulf stream hazards None. Aviation Se flow slightly stronger today, allowing east coast seabreeze to get going 1-2 hours earlier than past few days. This should also keep bulk of afternoon shra tsra well inland of east coast sites. Gulf breeze gets going from wsw at kapf after 18z, with tsra expected to be inland as well. Can't rule out one or two in vcnty with early seabreeze development, or evening boundaries pushing back towards coast, but threat to low to mention in any taf site at this point. Preliminary point temps pops West palm beach 93 80 94 80 20 10 20 20 fort lauderdale 92 81 92 82 20 10 30 20 miami 92 81 93 80 20 20 20 20 naples 93 77 94 77 40 40 40 20 Mfl watches warnings advisories Fl... None. Am... None. Gm... None. Discussion... 27 jt marine... 27 jt aviation... 88 alm |
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 |
| VAKF1 - 8723214 - Virginia Key, FL | 2 mi | 43 min | E 6 G 7 | 85°F | 90°F | 1017.3 hPa | ||
| FWYF1 - Fowey Rocks, FL | 8 mi | 31 min | E 6 G 7 | 85°F | 86°F | 1018.3 hPa (+0.3) | ||
| PVGF1 - Port Everglades Channel, FL | 27 mi | 37 min | Calm G 1.9 | 84°F | 1018.1 hPa | 72°F | ||
| TRRF1 - Taylor River, FL | 42 mi | 151 min | 90°F | |||||
| LMDF1 - Little Madeira, FL | 44 mi | 151 min | 92°F | |||||
| BDVF1 - Broad River, FL | 46 mi | 151 min | 85°F | |||||
| WIWF1 - Willy Willy, FL | 47 mi | 151 min | 84°F | |||||
| NRRF1 | 47 mi | 151 min | 87°F | |||||
| LRIF1 | 48 mi | 151 min | 89°F | |||||
| TBYF1 | 48 mi | 151 min | 93°F |
Wind History for Virginia Key, FL
(wind in knots) EDIT (on/off) Help| 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 | 5 AM | 6 AM | 7 AM | |
| Last 24hr | NE | E | E | E | E G10 | E G11 | E | E G10 | E | E | E G9 | E | NE | NE | E | E | E G7 | E | E | E | E | E | E | E |
| 1 day ago | N | NE | S | S | E | SE | E G9 | E | SE | SE | E G9 | SE G8 | SE | SE | SE | SE | SE | SE | SE | E | SE | E | NE | E |
| 2 days ago | W | W | SW | S | SW | SE | SE G11 | SE G10 | SW G17 | SW | SE | SE G8 | SE | S | SE | SE | SE | SW | W | W | SW | W | NW | NW |
Airport Reports
EDIT (on/off) Help Click EDIT to display multiple airports| Airport | Dist | Age | Wind kt | Visibility | Sky/Weather | Temp | DewPt | Humidity | Pressure |
| Miami, Miami International Airport, FL | 10 mi | 38 min | N 3 | 10.00 mi | Mostly Cloudy | 85°F | 75°F | 72% | 1018 hPa |
| Miami, Kendall-Tamiami Executive Airport, FL | 14 mi | 38 min | SSE 4 | 10.00 mi | Mostly Cloudy | 83°F | 75°F | 79% | 1017.9 hPa |
| Miami, Opa Locka Airport, FL | 16 mi | 38 min | E 3 | 10.00 mi | Fair | 81°F | 79°F | 94% | 1018.2 hPa |
| Homestead Air Reserve Base, FL | 19 mi | 93 min | N 8 | 5.00 mi | Heavy Rain Fog/Mist | 78°F | 76°F | 95% | 1017.6 hPa |
| Hollywood, North Perry Airport, FL | 21 mi | 38 min | N 3 | 10.00 mi | Fair | 81°F | 75°F | 85% | 1018.4 hPa |
Wind History from MIA (wind in knots)
| 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 | 5 AM | 6 AM | 7 AM | |
| Last 24hr | Calm | Calm | E | Calm | S | G15 | Calm | SE | E | SE | SE | E | SE | Calm | SE | SE | E | Calm | Calm | E | E | Calm | N | |
| 1 day ago | Calm | Calm | S | Calm | SE | SE G15 | N | W | SE | SE | SE | SE | SE | SE | W | Calm | Calm | Calm | Calm | Calm | Calm | Calm | ||
| 2 days ago | Calm | SW | SW | SE | E | E | S G18 | S | W | S | S | Calm | NE | Calm | Calm | Calm | Calm | S | Calm | Calm | Calm |
Tide / Current Tables for Key Biscayne Yacht Club, Biscayne Bay, Florida
EDIT RT Ports Option Weekend mode (on/off) (on/off) Help One Week of Data| Key Biscayne Yacht Club Click for Map Thu -- 12:02 AM EDT 0.36 feet Low Tide Thu -- 02:36 AM EDT Moonrise Thu -- 05:38 AM EDT 2.13 feet High Tide Thu -- 06:54 AM EDT Sunrise Thu -- 12:30 PM EDT -0.03 feet Low Tide Thu -- 04:23 PM EDT Moonset Thu -- 06:31 PM EDT 2.26 feet High Tide Thu -- 07:54 PM EDT Sunset Tide / Current data from XTide NOT FOR NAVIGATION |
| 12am | 1am | 2am | 3am | 4am | 5am | 6am | 7am | 8am | 9am | 10am | 11am | 12pm | 1pm | 2pm | 3pm | 4pm | 5pm | 6pm | 7pm | 8pm | 9pm | 10pm | 11pm |
| 0.4 | 0.5 | 0.8 | 1.3 | 1.8 | 2.1 | 2.1 | 1.9 | 1.6 | 1.1 | 0.6 | 0.2 | -0 | 0 | 0.3 | 0.8 | 1.4 | 1.9 | 2.2 | 2.2 | 2 | 1.6 | 1.2 | 0.7 |
Tide / Current Tables for Miami Harbor Entrance, Florida Current
EDIT (on/off) Help One Week of Data| Miami Harbor Entrance Click for Map Thu -- 02:29 AM EDT 1.66 knots Max Flood Thu -- 02:35 AM EDT Moonrise Thu -- 06:02 AM EDT -0.00 knots Slack Thu -- 06:54 AM EDT Sunrise Thu -- 09:42 AM EDT -1.51 knots Max Ebb Thu -- 12:28 PM EDT 0.00 knots Slack Thu -- 04:05 PM EDT 2.03 knots Max Flood Thu -- 04:23 PM EDT Moonset Thu -- 06:59 PM EDT -0.00 knots Slack Thu -- 07:54 PM EDT Sunset Thu -- 10:42 PM EDT -1.37 knots Max Ebb Tide / Current data from XTide NOT FOR NAVIGATION |
| 12am | 1am | 2am | 3am | 4am | 5am | 6am | 7am | 8am | 9am | 10am | 11am | 12pm | 1pm | 2pm | 3pm | 4pm | 5pm | 6pm | 7pm | 8pm | 9pm | 10pm | 11pm |
| 0 | 1.1 | 1.6 | 1.6 | 1.5 | 1.1 | 0 | -0.9 | -1.3 | -1.5 | -1.5 | -1.3 | -0.6 | 0.7 | 1.6 | 2 | 2 | 1.8 | 1.1 | -0 | -0.7 | -1.1 | -1.3 | -1.4 |
Weather Map and Satellite Images
(on/off) HelpWeather Map | IR Satellite Image from GEOS GOES Local Image of Southeast EDIT  |
Wind Forecast for Miami-South Florida, FL (7,2,3,4)
(on/off) Help |  |  |
Ground Weather Radar Station Miami, FL
(on/off) Help
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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. |