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Marine Weather and Tides
Version 3.4 |
5/20/2018 -- NOAA is having problems with the data feed that I use to draw the graphs. They are aware of the issue and working to resolve it. Sometimes changing the location by about a mile will give a correct graph. 3/3/2018 - There is a new GOES Satellite for the east coast that required rewriting that part of the code. Please report any issues. |
| Sunrise 6:29AM | Sunset 8:16PM | Saturday June 23, 2018 2:02 PM EDT (18:02 UTC) | Moonrise 3:25PM | Moonset 2:21AM | Illumination 78% |  |
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- 1019 Am Edt Sat Jun 23 2018 Rest of today..West southwest winds 5 to 10 knots. Seas less than 2 feet. Period 3 seconds. Intracoastal waters a light chop. A chance of showers and Thunderstorms. Tonight..Along the coast, north winds 5 knots becoming south after midnight. In the gulf stream, south southeast winds 5 to 10 knots. Seas less than 2 feet. Period 3 seconds. Intracoastal waters a light chop. A chance of Thunderstorms late in the evening. A chance of showers through the night. A slight chance of Thunderstorms after midnight. Sunday..Southeast winds 5 to 10 knots. Seas less than 2 feet. Period 3 seconds. Intracoastal waters a light chop. A chance of showers and a slight chance of Thunderstorms. Sunday night..Southeast winds 10 to 15 knots. Seas around 2 feet. Period 3 seconds. Intracoastal waters a moderate chop. A chance of showers late in the evening. A slight chance of Thunderstorms through the night. A slight chance of showers after midnight. Monday..Southeast winds 10 to 15 knots. Seas around 2 feet. Intracoastal waters a moderate chop. Showers likely in the morning. A chance of Thunderstorms. A chance of showers. Monday night..Southeast winds 5 to 10 knots. Seas around 2 feet. Intracoastal waters a light chop. A chance of showers and a slight chance of Thunderstorms. Tuesday..East southeast winds 5 to 10 knots. Seas around 2 feet. Intracoastal waters a light chop. Showers likely and a chance of Thunderstorms. Tuesday night and Wednesday..East southeast winds 5 to 10 knots. Seas around 2 feet. Intracoastal waters a light 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- 1019 Am Edt Sat Jun 23 2018 Synopsis.. Weak high pressure over the eastern gulf of mexico is forecast to bring a northwest wind up to 10 kts today. The wind will become southeast once again on Sunday. Showers and Thunderstorms will be possible each day through the week. Seas are forecast to be up to 2 feet for the coastal waters through the middle of next week. Gulf stream hazards..None. The approximate location of the west wall of the gulf stream as of jun 21, 2018 at 1200 utc... 3 nautical miles northeast of fowey rocks. 7 nautical miles east northeast of port everglades. 7 nautical miles east southeast of lake worth. 10 nautical miles southeast 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 231746 afdmfl area forecast discussion national weather service miami fl 146 pm edt Sat jun 23 2018 Aviation Scattered showers and thunderstorms have developed across south florida and they will continue throughout the afternoon hours.VFR conditions will prevail, however, MVFR conditions are possible in any shower or thunderstorm. Convection should diminish during the evening hours and winds will become light and variable as well. Showers and thunderstorm will redevelop on Sunday afternoon as the east and west coast seabreezes move inland. Prev discussion issued 1105 am edt Sat jun 23 2018 update... showers and thunderstorms are beginning to develop along the different sea and lake breezes that have formed this morning. Forecast continues on track with a focus of showers and thunderstorms expected later today along the east coast. The 12z mfl sounding shows a slightly warmer atmosphere aloft which should limit any hail threat today. The main chances for strong wind gusts will be from convection around boundary interactions. No additional updates are anticipated through midday. Have a great Saturday! prev discussion... Issued 801 am edt Sat jun 23 2018 aviation... morning showers should be fairly isolated and focused to the western portions of south florida. Activity will increase by this afternoon over the east coast terminals as the sea breeze develops. Sub-vfr conditions will be possible with storms later today and may require restrictions to ifr lifr in future issuances. Activity should diminish in the evening for the overnight hours. Light easterly flow is expected to return on Sunday. Prev discussion... Issued 300 am edt Sat jun 23 2018 discussion... showers and thunderstorms likely once again for south florida, with the interior and southeast florida metro area having the best chances for activity. A strong ridge of high pressure remains well to the east, and a secondary high is forecast to form of the southwest florida coast. The models are indicating this will bring a northwest wind for a good part of the day to the area. With this flow, any convection will move to the southeast, giving the miami-dade and broward metro areas the best chances for showers and thunderstorms early on. The flow is likely to be disrupted by the sea breeze development and convective outflow boundaries. This should allow for the convective activity to migrate to the interior areas by mid to late afternoon. However, convection still is likely across all of south florida through the afternoon and early evening hours. |
As for how strong the convection will be, there may be several factors. First, the 500 mb temp is forecast to be slightly on the warm side, between -6.5c and -7c. The freezing level, on last nights sounding was at 15.6k ft. This would make hail unlikely, but not impossible, at least for small hail. Pwats are forecast to remain well above 2 inches, indicating heavy rain with any convective activity. Taking a look at the bufkit mbe vectors, the storm motion should be slow, being under 10 kts. This may lead to some urban street flooding for the east coast metro areas today. Gfs and NAM model soundings showing ncape near .2, indicating some decent vertical velocities. Together with possibly a small dry layer aloft, could allow for some downbursts of 40 to 50 miles per hour. However, this mornings sounding will give a better indication of thunderstorm characteristics today. For Sunday, the gulf high begins to migrate to the northwest, lessening its influence over the wind pattern through the day. This will allow for the atlantic high to bring the southeast flow back to the area by the afternoon hours. The wind is then forecast to be generally out of the southeast for the remainder of the week. Moisture is forecast to remain over the area, and by Monday, a 500mb ridge is progged to begin to build over the eastern us. The GFS has come more in line with the ECMWF with strong ridging, centered to the north. This should keep the 500mb temps on the warm side, and allow the weather to be mainly sea breeze dominated for the week. Showers and thunderstorms are forecast each day for the afternoons across south florida. Basically, the typical summertime pattern of diurnal showers and storms over the mainland and some nocturnal activity over the coastal waters each night. Marine... high pressure in the gulf today is forecast to bring a northwest wind up to 10 kts across the area. As the high migrates away from the area, a stronger high well to the east will regain influence over the weather pattern. This will bring the wind back around to the southeast for the remainder of the week. Showers and thunderstorms will be possible through the week. Seas are forecast to run up to around 2 feet, with locally rough seas under gusty showers and thunderstorms. Also, with a light wind field in the mornings, and then with any convection in the afternoon, along with boundary collisions, waterspouts will continue to be possible. Preliminary point temps pops West palm beach 75 91 77 89 40 50 20 50 fort lauderdale 78 90 79 89 40 40 30 50 miami 77 91 78 89 40 50 20 60 naples 77 93 78 93 40 60 40 60 Mfl watches warnings advisories Fl... None. Am... None. Gm... None. Aviation... 55 cwc |
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 |
| FWYF1 - Fowey Rocks, FL | 8 mi | 63 min | SW 4.1 G 4.1 | 88°F | 85°F | 1017.8 hPa (+0.0) | ||
| PVGF1 - Port Everglades Channel, FL | 27 mi | 45 min | SW 4.1 G 7 | 84°F | 1017 hPa | 70°F | ||
| HCEF1 - Highway Creek, FL | 34 mi | 123 min | 88°F | |||||
| LSNF1 - Long Sound, FL | 36 mi | 63 min | 90°F | |||||
| LBSF1 - Little Blackwater, FL | 36 mi | 123 min | 88°F | |||||
| TCVF1 - Trout Cove, FL | 39 mi | 123 min | 92°F | |||||
| BWSF1 - Blackwater Sound, FL | 39 mi | 123 min | 89°F | |||||
| DKKF1 - Duck Key, FL | 40 mi | 123 min | 89°F | |||||
| TRRF1 - Taylor River, FL | 42 mi | 63 min | 89°F | |||||
| LMDF1 - Little Madeira, FL | 44 mi | 63 min | 90°F | |||||
| CANF1 - Cane Patch, FL | 45 mi | 63 min | 86°F | |||||
| BDVF1 - Broad River, FL | 46 mi | 63 min | 88°F | |||||
| BNKF1 - Butternut Key, FL | 46 mi | 63 min | 89°F | |||||
| WIWF1 - Willy Willy, FL | 47 mi | 63 min | 85°F | |||||
| TPEF1 - Tarpon Bay East, FL | 47 mi | 123 min | 90°F | |||||
| NRRF1 | 47 mi | 63 min | 87°F | |||||
| LRIF1 | 48 mi | 63 min | 90°F | |||||
| TBYF1 | 48 mi | 63 min | 87°F | |||||
| MLRF1 - Molasses Reef, FL | 49 mi | 63 min | SW 4.1 G 5.1 | 85°F | 85°F | 1017.5 hPa |
Wind History for Virginia Key, FL
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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 | 70 min | SSW 7 | 10.00 mi | Thunderstorm in Vicinity | 82°F | 75°F | 79% | 1017.2 hPa |
| Miami, Kendall-Tamiami Executive Airport, FL | 14 mi | 70 min | SSE 10 G 17 | 10.00 mi | Thunderstorm Light Rain | 75°F | 71°F | 88% | 1017.7 hPa |
| Miami, Opa Locka Airport, FL | 16 mi | 70 min | E 5 | 10.00 mi | Light Rain | 77°F | 73°F | 90% | 1017.5 hPa |
| Homestead Air Reserve Base, FL | 19 mi | 2.1 hrs | SE 12 | 5.00 mi | Thunderstorm Light Rain Fog/Mist | 79°F | 77°F | 94% | 1018.3 hPa |
| Hollywood, North Perry Airport, FL | 21 mi | 70 min | N 0 | 10.00 mi | Mostly Cloudy | 78°F | 73°F | 87% | 1017.6 hPa |
Wind History from MIA (wind in knots)
| 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 | 8 AM | 9 AM | 10 AM | 11 AM | 12 PM | 1 PM | 2 PM | |
| Last 24hr | W | W | S G17 | SW | E | Calm | SW | Calm | Calm | Calm | Calm | W | Calm | Calm | Calm | W | Calm | W | W | E | S | SW | ||
| 1 day ago | S | S | SW | W | SW | NW | Calm | S | S | Calm | Calm | Calm | W | Calm | SW | S | SW | SW | W | W | W | |||
| 2 days ago | SE | SE | E | SE | E | E | SE | SE | S | S | S | S | S | S | SW | S | SW | SW | W | SW | NW | NW |
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 Sat -- 12:53 AM EDT 0.19 feet Low Tide Sat -- 03:21 AM EDT Moonset Sat -- 06:28 AM EDT 1.93 feet High Tide Sat -- 06:30 AM EDT Sunrise Sat -- 01:17 PM EDT -0.10 feet Low Tide Sat -- 04:24 PM EDT Moonrise Sat -- 07:13 PM EDT 2.02 feet High Tide Sat -- 08:15 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 |
| 0.3 | 0.2 | 0.4 | 0.7 | 1.2 | 1.6 | 1.9 | 1.9 | 1.7 | 1.3 | 0.9 | 0.4 | 0.1 | -0.1 | -0 | 0.3 | 0.8 | 1.4 | 1.8 | 2 | 2 | 1.7 | 1.3 | 0.9 |
Tide / Current Tables for Miami Harbor Entrance, Florida Current
EDIT (on/off) Help One Week of Data| Miami Harbor Entrance Click for Map Sat -- 12:29 AM EDT 0.00 knots Slack Sat -- 03:20 AM EDT Moonset Sat -- 04:08 AM EDT 1.71 knots Max Flood Sat -- 06:30 AM EDT Sunrise Sat -- 06:41 AM EDT -0.00 knots Slack Sat -- 10:40 AM EDT -1.61 knots Max Ebb Sat -- 12:56 PM EDT 0.00 knots Slack Sat -- 04:24 PM EDT Moonrise Sat -- 04:40 PM EDT 2.01 knots Max Flood Sat -- 07:38 PM EDT -0.00 knots Slack Sat -- 08:15 PM EDT Sunset Sat -- 11:17 PM EDT -1.44 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 |
| -0.5 | 0.5 | 1.2 | 1.5 | 1.7 | 1.5 | 0.6 | -0.2 | -0.8 | -1.2 | -1.5 | -1.6 | -1 | 0.1 | 1.1 | 1.6 | 1.9 | 2 | 1.4 | 0.5 | -0.2 | -0.7 | -1.1 | -1.4 |
Weather Map and Satellite Images
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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.
target = "new">Link to Loop
Other links: Northern Pacific Contential US Full GOES-East
Wind Forecast for Miami-South Florida, FL (14,3,4,5)
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Ground Weather Radar Station Miami, FL
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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. |