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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 6:55AM | Sunset 7:52PM | Sunday August 20, 2017 7:46 AM EDT (11:46 UTC) | Moonrise 4:38AM | Moonset 6:11PM | Illumination 3% |  |
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- 359 Am Edt Sun Aug 20 2017 Today..East southeast winds 10 to 15 knots. Seas 2 to 3 feet. Period 4 seconds. Intracoastal waters a moderate chop. Showers likely and chance of Thunderstorms this morning, then a chance of showers and Thunderstorms in the afternoon. Tonight..Winds east southeast winds 15 to 20 knots. Seas 2 to 4 feet with occasional seas to 5 feet. Period 4 seconds. Intracoastal waters choppy in exposed areas. Monday..East winds around 15 knots. Seas 2 to 4 feet with occasional seas to 5 feet. Period 4 seconds. Intracoastal waters a moderate chop. A slight chance of showers and Thunderstorms. Monday night..East northeast winds 10 to 15 knots along the coast to east 15 to 20 knots in the gulf stream. Seas 2 to 4 feet with occasional seas to 5 feet. Period 4 seconds. Intracoastal waters choppy in exposed areas. A chance of showers and a slight chance of Thunderstorms. Tuesday..East southeast winds 10 to 15 knots. Seas 2 to 3 feet. Intracoastal waters a moderate chop. A chance of showers in the morning. A chance of Thunderstorms. Showers likely in the afternoon. Tuesday night..Southeast winds 5 to 10 knots along the coast to southeast 10 to 15 knots in the gulf stream. Seas around 2 feet. Intracoastal waters a moderate chop. Showers likely and a chance of Thunderstorms. Wednesday..Southeast winds around 10 knots. Seas around 2 feet. Intracoastal waters a light chop. Showers and Thunderstorms likely. Wednesday night and Thursday..South winds 10 to 15 knots. Seas 2 to 3 feet with occasional seas to 5 feet. Intracoastal waters light chop. Showers and Thunderstorms likely. | 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- 359 Am Edt Sun Aug 20 2017 Synopsis..Moderate east-southeast winds will continue over the local waters through the day, becoming fresh tonight and Monday with a moderate chop and seas up to 4 feet. A tropical wave moving over the region today, bringing scattered to numerous showers and Thunderstorms. After a break in the rain Monday, another tropical wave will bring scattered to numerous showers and Thunderstorms Tuesday into Wednesday. Winds and seas may be locally higher near Thunderstorms. Gulf stream hazards..East-southeast winds increasing to 15 to 20 knots late tonight. The approximate location of the west wall of the gulf stream as of aug 19, 2017 at 1200 utc... 9 nautical miles east southeast of fowey rocks. 15 nautical miles east southeast of port everglades. 11 nautical miles east northeast of lake worth. 12 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 definition| Fxus62 kmfl 201131 afdmfl area forecast discussion national weather service miami fl 731 am edt Sun aug 20 2017 Aviation Convection associated with a tropical wave is moving across south florida this morning, bringing MVFR and brief bouts of ifr to the east coast terminals. Convection should spread north and west today, with the potential to persist a good amount of the day. Sub-vfr bouts will be possible with a need for short-fused amendments through the day. Convection should begin to trend down as the wave exits later this evening. Prev discussion issued 416 am edt Sun aug 20 2017 discussion... today and tonight: the axis of the first of our tropical waves is moving into the southern peninsula early this morning. The ongoing convection over the local atlantic and NW bahamas has waned over the past few hours, leaving only isolated light showers as we approach daybreak. This may potentially be due to ongoing shear from the upper level low over the eastern gulf and or a weaker tropical wave limiting low level convergence. Models have fallen into two camps this morning, either backing off on convective development through mid morning or ramping up activity along the local atlantic and east coast right after daybreak. While there has been a modest increase in light showers in the past hour, have leaned towards the slower start based on satellite radar trends. Derived tpw satellite shows pwats of 2.2-2.3 inches encroaching on the region, which should be firmly in place as we get on the more convectively favored east side of the wave by mid morning. Add some daytime heating, and expect rain to pick up across the area later this morning. Don't foresee a significant flood threat today, but given the anomalously moist environment, heavy rain rates can't be ruled out as stronger convection develops. Expect impacts to be limited to local flooding of streets and poor drainage areas. Showers with embedded storms will shift west later in the afternoon as the wave tracks into the gulf, with activity waning from east to west later today and drier conditions tonight. Monday: no change in the forecast thinking as the work week and eclipse day starts out with the driest day of the week. Wave vapor satellite shows well the area of subsidence and dry air in the mid- upper levels to our east in between the departing tropical wave from today, and the next wave (invest 92l). There will still be enough low level moisture for typical afternoon boundary layer cumulus, but storm chances look isolated at best for most of the region. With breezy east winds in place, the east coast sea breeze should be able to get going and push pretty far inland, likely providing the main focus for any isolated convection. Overall partly cloudy skies look to be in place for the eclipse Monday afternoon, though anyone in near any storms will see mostly cloudy conditions. Cloud cover from the next tropical wave begins to invade from the east during the late afternoon, but there is a reasonable chance thick clouds and showers will hold off until after sunset for east coast viewers. |
Tuesday through the end of the week: weather for the middle of the weak across south florida will still be driven by the arrival of invest 92l, or its remnants, moving west across the region on Tuesday. Conditions are only expected to be only marginally favorable for this system to develop any further, and model trends support this with a somewhat drier, and weaker feature as it arrives. Satellite data shows pwats 2.1-2.3" pooled around this feature currently, which models support arriving intact as it moves into south florida. So even with perhaps a weaker wave, the return of tropical moisture as we get on the back side of the wave will bring a return of numerous showers with embedded thunderstorms for tues and wed. Pattern remains unsettled into late week as deep upper low over canada drives digging trough through the eastern us, with an associated frontal boundary sagging anomalously south into the florida peninsula. With both the low and mid level ridge axis suppressed to the south, we will be under south-southwesterly flow that will continue to tap into the tropical airmass to our south. Numerous showers and scattered storms can be expected through the period, likely with a diurnal maximum. Given the potential for several days of active weather in a tropical airmass, this period will need to be watched for local flooding problems. Marine... High pressure to our north will keep prevailing east- southeast flow in place over the local waters through mid week. Multiple tropical waves passing through the region will maintain generally moderate speeds, with fresh winds possible at time starting late tonight through Monday night, requiring small craft to exercise caution. The increase in speeds will bring an increase in wave heights, building to around 4 feet over the open waters tonight through Monday night, before gradually decreasing mid week as winds decrease. Expect scattered to numerous showers and storms over the waters through today as a tropical wave crosses the region. Coverage will briefly be lower on Monday, before increasing again Tuesday onwards with the next tropical wave and an unsettled pattern. Beach forecast... An increase in east-southeast flow early this week will raise the rip current threat at the atlantic beaches through Tuesday. Preliminary point temps pops West palm beach 89 81 93 81 60 20 20 30 fort lauderdale 89 82 91 81 60 20 20 40 miami 89 81 92 80 60 10 20 30 naples 92 77 96 79 60 20 20 10 Mfl watches warnings advisories Fl... None. Am... None. Gm... None. Discussion... 88 alm marine... 88 alm aviation... 02 rag |
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 | 8 mi | 47 min | WNW 5.1 G 11 | 79°F | 88°F | 1014.8 hPa (+0.9) | ||
| PVGF1 - Port Everglades Channel, FL | 17 mi | 47 min | E 6 G 9.9 | 83°F | 1015.4 hPa (+0.7) | 76°F | ||
| FWYF1 - Fowey Rocks, FL | 18 mi | 47 min | ESE 8 G 8.9 | 85°F | 86°F | 1015.4 hPa (+0.5) |
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 | E | NE | NE G8 | NE | NE G11 | NE G9 | NE G10 | NE | NE G11 | E G17 | NE G13 | NE | E G13 | E G12 | E G15 | E G14 | E G17 | E | N G6 | NE | N G5 | N G6 | N G5 | W G11 |
| 1 day ago | E | E | NE G9 | E | NE | NE G15 | NE | NE | E G11 | E G14 | E G11 | E G9 | E G11 | E G10 | NE | NE G7 | N | NE G7 | E | E G9 | NE G10 | E | E G14 | E |
| 2 days ago | N | NE | NE | E G9 | E | E | NE | E G11 | E G12 | E | E | E G8 | NE G7 | NE | E | E G8 | N | NE | E G7 | E | E G10 | E G9 | SE G9 | SE |
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 | 6 mi | 54 min | NE 9 | 8.00 mi | Thunderstorm Light Rain | 80°F | 75°F | 85% | 1016.4 hPa |
| Miami, Opa Locka Airport, FL | 7 mi | 54 min | SSW 8 | 2.50 mi | Thunderstorm Heavy Rain Fog/Mist | 77°F | 77°F | 100% | 1016.1 hPa |
| Hollywood, North Perry Airport, FL | 11 mi | 54 min | S 5 | 10.00 mi | Thunderstorm in Vicinity Light Rain | 80°F | 77°F | 90% | 1015.9 hPa |
| Fort Lauderdale/Hollywood International Airport, FL | 15 mi | 54 min | E 10 | 10.00 mi | Mostly Cloudy | 83°F | 77°F | 82% | 1015.1 hPa |
| Miami, Kendall-Tamiami Executive Airport, FL | 20 mi | 54 min | N 0 | 10.00 mi | Thunderstorm in Vicinity | 79°F | 75°F | 88% | 1015.7 hPa |
| Fort Lauderdale, Fort Lauderdale Executive Airport, FL | 24 mi | 54 min | E 7 | 10.00 mi | Fair | 82°F | 77°F | 85% | 1015.4 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 | E | E | NE | E G15 | E G15 | E G16 | E | NE G17 | E G20 | E G18 | E G19 | E | E | SE | E | SE | SE | Calm | Calm | NE | NE | Calm | NE | |
| 1 day ago | Calm | E | Calm | E | E | SE G14 | SE G17 | E | E | E G18 | E | E | SE | Calm | NW | NW | NW | NW | NW | NE | NE | E | E | |
| 2 days ago | N | E | E | SE | SE G16 | E | E G17 | SE | E | SE | E | E | E | E | SE | SE | SE | E | E | E | E | E | Calm |
Tide / Current Tables for Miami, 79th St. Causeway, Florida
EDIT RT Ports Option Weekend mode (on/off) (on/off) Help One Week of Data| Miami Click for Map Sun -- 03:44 AM EDT 0.06 feet Low Tide Sun -- 05:38 AM EDT Moonrise Sun -- 06:55 AM EDT Sunrise Sun -- 09:17 AM EDT 2.37 feet High Tide Sun -- 04:06 PM EDT -0.22 feet Low Tide Sun -- 07:10 PM EDT Moonset Sun -- 07:51 PM EDT Sunset Sun -- 09:55 PM EDT 2.49 feet High Tide 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 |
| 1.5 | 0.9 | 0.4 | 0.1 | 0.1 | 0.3 | 0.9 | 1.5 | 2.1 | 2.4 | 2.3 | 2 | 1.5 | 0.9 | 0.3 | -0.1 | -0.2 | -0.1 | 0.4 | 1.1 | 1.8 | 2.3 | 2.5 | 2.3 |
Tide / Current Tables for Miami Harbor Entrance, Florida Current
EDIT (on/off) Help One Week of Data| Miami Harbor Entrance Click for Map Sun -- 12:46 AM EDT -1.75 knots Max Ebb Sun -- 02:58 AM EDT 0.00 knots Slack Sun -- 05:38 AM EDT Moonrise Sun -- 06:33 AM EDT 2.15 knots Max Flood Sun -- 06:55 AM EDT Sunrise Sun -- 09:03 AM EDT -0.00 knots Slack Sun -- 01:03 PM EDT -1.93 knots Max Ebb Sun -- 03:21 PM EDT 0.00 knots Slack Sun -- 06:59 PM EDT 2.48 knots Max Flood Sun -- 07:10 PM EDT Moonset Sun -- 07:51 PM EDT Sunset Sun -- 09:43 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 |
| -1.6 | -1.7 | -1.2 | 0 | 1.2 | 1.8 | 2.1 | 2.1 | 1.3 | 0.1 | -0.9 | -1.4 | -1.7 | -1.9 | -1.6 | -0.5 | 0.9 | 1.8 | 2.3 | 2.5 | 2.1 | 0.9 | -0.3 | -1 |
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)
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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. |