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Marine Weather and Tides
Version 3.4 |
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. 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. |
Sunrise 6:48AM | Sunset 7:49PM | Monday April 23, 2018 5:38 AM EDT (09:38 UTC) | Moonrise 12:48PM | Moonset 1:32AM | Illumination 56% | ![]() |
Marine Forecasts
EDIT (on/off)  HelpAMZ651 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- 341 Am Edt Mon Apr 23 2018 Today..South southeast winds around 10 knots. Seas 2 to 3 feet. Period 6 seconds. Intracoastal waters a light chop. A chance of showers. A slight chance of Thunderstorms in the afternoon. Tonight..South winds 5 to 10 knots along the coast to south southeast 10 to 15 knots in the gulf stream. Seas 2 to 3 feet. Period 4 seconds. Intracoastal waters a light chop. A chance of showers and a slight chance of Thunderstorms. Tuesday..South winds 5 to 10 knots along the coast to south 10 to 15 knots in the gulf stream. Seas around 2 feet. Period 4 seconds. Intracoastal waters a light chop. A chance of showers and a slight chance of Thunderstorms. Tuesday night..West southwest winds 5 to 10 knots along the coast to west southwest 10 to 15 knots in the gulf stream. Seas around 2 feet. Period 4 seconds. Intracoastal waters a light chop. A chance of showers and a slight chance of Thunderstorms. Wednesday..Southwest winds 5 to 10 knots. Seas around 2 feet. Intracoastal waters a light chop. A chance of showers and a slight chance of Thunderstorms in the morning...then a slight chance of showers in the afternoon. Wednesday night..West winds 5 to 10 knots. Seas around 2 feet. Intracoastal waters a light chop. Thursday..West southwest winds 5 to 10 knots. Seas around 2 feet. Intracoastal waters a light chop. Thursday night..West northwest winds 5 to 10 knots along the coast to west 10 to 15 knots in the gulf stream. Seas around 2 feet. Intracoastal waters a light chop. Friday..West southwest winds 5 to 10 knots. Seas around 2 feet. Intracoastal waters a light chop. A slight chance of showers. | 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- 341 Am Edt Mon Apr 23 2018 Synopsis..High pressure over the northeast and low pressure over the mid-south states will bring moderate southeast winds across the area today, becoming dominated by sea breezes this afternoon. Winds veer around to south-southwest tonight and southwest by late Tuesday as a front approaches. Scattered to numerous showers and scattered Thunderstorms are likely over the atlantic waters and lake okeechobee with isolated Thunderstorms over the gulf waters possible. Winds and waves may be locally higher and erratic near Thunderstorms. Winds shift to northwest behind the front as conditions improve Wednesday. Gulf stream hazards..None. The approximate location of the west wall of the gulf stream as of apr 21, 2018 at 1200 utc... 12 nautical miles east southeast of fowey rocks. 10 nautical miles east of port everglades. 8 nautical miles east southeast of lake worth. 11 nautical miles east of jupiter inlet. This data courtesy of the naval oceanographic office. |
7 Day Forecast for Marine Location Near North Bay Village, FL
Hourly EDIT Helplocation: 25.85, -80.17 debug
Area Discussion for - Miami-South Florida, FL
  (on/off)  Help NOTE: mouseover dotted underlined text for definitionFxus62 kmfl 230805 afdmfl area forecast discussion national weather service miami fl 405 am edt Mon apr 23 2018 Discussion A sprawling low pressure system at the surface and aloft is over the tennessee valley this morning, with a cold front extending southwest into the western gulf of mexico. Winds currently veering to the south as the storm system moves east and the high over the mid- atlantic moves northeast. South florida is in an established warm sector, with a moist and unstable air mass in place. Showers have focused overnight in a corridor of better moisture and confluence embedded in the SE low level flow over the northeast part of the area, with only isolated activity elsewhere. For the next few hours, with little organized focusing mechanism for ascent, expect only isolated showers most areas. With some surface heating this morning, sea breezes should be able to move inland from both the atlantic and gulf coasts, and a lake okeechobee breeze may develop as well. With the moist and unstable air mass in place, showers and thunderstorms should fire along all of these boundaries by early afternoon. As convection deepens, mean wsw winds in the cloud bearing layer should allow for convection and or outflow boundaries to have a preferred ene motion toward the east coast urban corridor, particularly broward palm beach counties. Forecast soundings indicate plenty of instability, dcape of 1000-1200 j kg, veering winds with height, and 20-30 kts of bulk shear, so a few strong thunderstorms will be possible. Frequent lightning, heavy downpours, and gusts up to 50 mph will be the main hazards. Stabilization in the wake of the convection, nocturnal cooling, and dissipating boundaries should allow shower coverage to decrease a bit overnight, but still pops will remain in the slight chance to chance range. Light south winds and high dewpoints over areas with recent rainfall should allow some patchy fog to develop over the interior late tonight. Tuesday, the front gets closer and winds continue to veer around to southwest. Expect the gulf sea breeze will move across the state and collide with the atlantic sea breeze near the east coast urban corridor, firing off convection during the day focusing especially on the northeast part of our area. A few strong thunderstorms and heavy downpours will again be a threat. By late evening and overnight, the front becomes detached from the retreating upper low with decreasing convergence along the boundary, which along with nocturnal cooling and post-convective stabilization should steadily decrease shower and thunderstorm chances as the front pushes through the southernmost part of the area. Wednesday and beyond: drier and more stable air moves into the area behind the front. Late in the week into the weekend a couple of shortwave troughs in the northwest flow behind the mean |
eastern us longwave trough may force some reinforcing boundaries into the area, but still some disagreement in the medium range models on exact timing of the best shower chances, so forecast pops for now are a broad-brushed in the slight chance category. Marine Mostly slight seas, with light to moderate south to southeast winds today but dominated by sea breeze circulations this afternoon. Winds veer around to southwest tomorrow. Scattered to numerous thunderstorms lake okeechobee and the atlantic waters at times through Tuesday night, with more isolated activity in the gulf waters. Locally higher winds and waves are expected around any thunderstorms. Winds turn to moderate northwest late Tuesday night into Wednesday behind a front with drying conditions. Aviation Hit and miss showers may continue over the atlantic for the next several hours and push inland and north along the coast periodically through the morning hours. However, confidence south of kpbi is too low to include mention of vcsh in the TAF package for this morning with pops overall well under 50%. Towards late morning, showers may increase again, with a chance of thunderstorms starting around 23 1500z, mainly for the interior portions of florida and TAF sites north of kmia on east coast. Some storms may decrease vis to below 3sm with ra+ but given lack of confidence of any one hitting a particular site am handling it right now with vcts and will amend as needed during the day. Expect south southeast 5-10 kts winds through the period along the atlantic, around 10-15 kts late morning and afternoon, with kapf turning south southwesterly 5-10 kts around 16- 18z but otherwise south southeast 5-10 kts after sunrise this morning and light and variable overnight. Beach forecast A high risk of rip currents will persist today at the palm beaches, with a moderate risk at the atlantic beaches of broward and miami-dade county. The risk tomorrow is currently expected to be moderate at the palm beaches. Preliminary point temps pops West palm beach 83 71 87 68 50 70 70 40 fort lauderdale 83 73 85 71 40 50 50 30 miami 85 73 88 71 40 40 40 30 naples 85 71 84 69 10 20 30 30 Mfl watches warnings advisories Fl... High rip current risk through this evening for flz168. Am... None. Gm... None. Discussion... 22 ks marine... 22 ks aviation... 52 ps beach forecast... 22 ks |
Weather Reporting Stations
EDIT (on/off)  Help NOTE: Click on distance to see the station location on a mapStations | Dist | Age | Wind | Air Temp | Water Temp | Waves | Pressure | DewPt |
VAKF1 - 8723214 - Virginia Key, FL | 8 mi | 57 min | ESE 8.9 G 14 | 79°F | 80°F | 1015.1 hPa | ||
PVGF1 - Port Everglades Channel, FL | 17 mi | 39 min | SE 11 G 14 | 79°F | 1015.7 hPa (-1.0) | 71°F | ||
PEGF1 | 17 mi | 57 min | ESE 12 G 17 | 79°F | 1015.1 hPa | |||
FWYF1 - Fowey Rocks, FL | 18 mi | 39 min | ESE 17 G 19 | 78°F | 78°F | 1016.1 hPa (-0.8) |
Wind History for Virginia Key, FL
(wind in knots) EDIT (on/off)  Help6 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 | 3 AM | 4 AM | 5 AM | |
Last 24hr | E G12 | E G21 | E G20 | E | E G18 | E G11 | E | E | E G15 | SE G13 | E G11 | E | E | NE G13 | E G16 | E G20 | E G14 | SE G13 | SE G15 | SE G12 | SE G11 | SE G12 | E | SE |
1 day ago | E | NE G11 | E | NE | E | NE | NE | NE | NE | NE | NE | NE | NE | NE G13 | NE | NE G13 | NE G15 | NE G14 | NE G15 | E | E | E G17 | E G17 | E G16 |
2 days ago | NW | W G7 | W | W | SW | SE | E | NE | E | E | E | NE | NE G11 | E | E G10 | NE | E | E G11 | E G11 | E G10 | E G8 | NE | E G8 | E G8 |
Airport Reports
EDIT (on/off)  Help Click EDIT to display multiple airportsAirport | Dist | Age | Wind kt | Visibility | Sky/Weather | Temp | DewPt | Humidity | Pressure |
Miami, Miami International Airport, FL | 6 mi | 46 min | SE 12 G 18 | 10.00 mi | Partly Cloudy | 77°F | 73°F | 88% | 1015.7 hPa |
Miami, Opa Locka Airport, FL | 7 mi | 46 min | SE 9 | 10.00 mi | Mostly Cloudy | 77°F | 72°F | 85% | 1015.9 hPa |
Hollywood, North Perry Airport, FL | 11 mi | 46 min | SE 6 | 10.00 mi | Partly Cloudy | 78°F | 71°F | 79% | 1016 hPa |
Fort Lauderdale/Hollywood International Airport, FL | 15 mi | 46 min | SSE 8 | 10.00 mi | Partly Cloudy | 77°F | 73°F | 88% | 1015.4 hPa |
Miami, Kendall-Tamiami Executive Airport, FL | 20 mi | 46 min | SE 6 | 10.00 mi | A Few Clouds | 77°F | 71°F | 82% | 1015.5 hPa |
Fort Lauderdale, Fort Lauderdale Executive Airport, FL | 24 mi | 46 min | SE 7 | 10.00 mi | A Few Clouds | 77°F | 73°F | 88% | 1016 hPa |
Wind History from MIA (wind in knots)
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 | 3 AM | 4 AM | 5 AM | |
Last 24hr | E | E | E | E | E | E | E | SE | SE G22 | SE G18 | SE G18 | SE G18 | E | E | E | E | E | SE | SE | SE | SE | SE | SE | SE G18 |
1 day ago | E | E | E | E | E | E | E | E | NE G16 | E | E | E | E | E G15 | E | NE | NE | E | E | E | E | E | E | SE |
2 days ago | W | W | W | W | NW | W | Calm | SW | S | SE | E | SE | NE | E | E | E | E | E | E | SE | E | E | E | E |
Tide / Current Tables for Miami, 79th St. Causeway, Florida
EDIT RT Ports Option Weekend mode (on/off) (on/off)  Help One Week of DataMiami Click for Map Mon -- 02:31 AM EDT Moonset Mon -- 04:52 AM EDT 2.02 feet High Tide Mon -- 06:50 AM EDT Sunrise Mon -- 11:38 AM EDT 0.22 feet Low Tide Mon -- 01:48 PM EDT Moonrise Mon -- 05:16 PM EDT 1.91 feet High Tide Mon -- 07:47 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 |
0.2 | 0.6 | 1.1 | 1.6 | 1.9 | 2 | 1.9 | 1.6 | 1.2 | 0.8 | 0.5 | 0.3 | 0.2 | 0.5 | 0.9 | 1.3 | 1.7 | 1.9 | 1.9 | 1.6 | 1.3 | 0.9 | 0.5 | 0.2 |
Tide / Current Tables for Miami Harbor Entrance, Florida Current
EDIT (on/off)  Help One Week of DataMiami Harbor Entrance Click for Map Mon -- 12:50 AM EDT 1.92 knots Max Flood Mon -- 02:31 AM EDT Moonset Mon -- 04:38 AM EDT -0.00 knots Slack Mon -- 06:50 AM EDT Sunrise Mon -- 08:44 AM EDT -1.30 knots Max Ebb Mon -- 10:52 AM EDT 0.00 knots Slack Mon -- 01:48 PM EDT Moonrise Mon -- 02:12 PM EDT 1.66 knots Max Flood Mon -- 05:00 PM EDT -0.00 knots Slack Mon -- 07:47 PM EDT Sunset Mon -- 09:09 PM EDT -1.37 knots Max Ebb Mon -- 11:18 PM EDT 0.00 knots Slack 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 |
1.8 | 1.9 | 1.9 | 1.6 | 0.7 | -0.4 | -0.9 | -1.1 | -1.2 | -1.3 | -0.9 | 0.1 | 1.2 | 1.6 | 1.7 | 1.6 | 1 | 0 | -0.8 | -1.1 | -1.2 | -1.4 | -1.2 | -0.4 |
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.
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Other links: Northern Pacific Contential US Full GOES-East
Wind Forecast for Miami-South Florida, FL (5,6,7,8)
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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. |