Sunday, November29, 2020
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Marine Weather and Tides
Goodland, FL

Version 3.4
NOTICE
8/26/2020 The 7 day forecast is taking about 5 seconds to load but it will eventually load. NOAA is still working on it.
8/18/2020 NOAA continues to have trouble. Wind guest will occasionally be left off graphs. I am working with NOAA to resolve the issue.
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.

Sunrise 6:55AMSunset 5:36PM Sunday November 29, 2020 12:24 AM EST (05:24 UTC) Moonrise 5:16PMMoonset 6:08AM Illumination 99% Phase: Waxing Gibbous; Moon at 14 days in cycle
NOTE: Some of the data on this page has not been verified and should be used with that in mind. It may and occasionally will, be wrong. The tide reports are by xtide and are NOT FOR NAVIGATION.
Marine Forecasts
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GMZ656 Coastal Waters From Chokoloskee To Bonita Beach Fl Out 20 Nm- Coastal Waters From East Cape Sable To Chokoloskee Fl Out 20 Nm- 939 Pm Est Sat Nov 28 2020
Today..Northeast winds 5 knots becoming west northwest around 5 knots in the afternoon. Seas less than 2 feet. Period 1 second in the afternoon. Bay and inland waters smooth. Slight chance of showers in the afternoon.
Tonight..North winds 5 knots becoming east after midnight. Seas less than 1 foot. Period 2 seconds. Bay and inland waters smooth.
Sunday..East southeast winds 5 to 10 knots becoming south in the afternoon. Seas less than 2 feet. Period 2 seconds. Bay and inland waters a light chop.
Sunday night..South winds 5 to 10 knots nearshore and south 10 to 15 knots offshore. Seas around 2 feet. Period 2 seconds. Bay and inland waters a light chop.
Monday..West southwest winds 5 to 15 knots with gusts to around 20 knots nearshore and west southwest 10 to 15 knots offshore. Seas 2 to 3 feet. Bay and inland waters a moderate chop. Chance of showers in the morning, then showers likely and slight chance of Thunderstorms in the afternoon.
Monday night..North northwest winds 10 to 20 knots nearshore and north northwest 15 to 20 knots with gusts to around 25 knots offshore. Seas 2 to 4 feet with occasional seas to 5 feet nearshore and 4 to 6 feet with occasional to 8 feet offshore. Bay and inland waters a moderate chop. Chance of showers and slight chance of Thunderstorms in the evening, then slight chance of showers after midnight.
Tuesday..North winds 10 to 20 knots with gusts to around 25 knots nearshore and north 15 to 20 knots with gusts to around 25 knots offshore. Seas 2 to 4 feet with occasional seas to 5 feet nearshore and 4 to 6 feet with occasional to 8 feet offshore. Bay and inland waters a moderate chop.
Tuesday night..North northeast winds 10 to 15 knots with gusts to around 20 knots. Seas 2 to 3 feet nearshore and 3 to 5 feet with occasional to 6 feet offshore. Bay and inland waters a light chop.
Wednesday..East northeast winds 10 to 20 knots with gusts to around 25 knots. Seas around 2 feet nearshore and 2 to 4 feet with occasional to 5 feet offshore. Bay and inland waters a moderate chop.
GMZ600 Synopsis For Pascagoula Ms To Okaloosa Walton County Line Fl Out 60 Nm Including Major Area Bays And Sounds- 931 Pm Cst Sat Nov 28 2020
Synopsis..A light to moderate northerly to northeasterly flow will continue through tonight behind a stalled front over the marine area. Moderate to strong onshore flow returns by Sunday ahead of an approaching cold front from the west and also as the boundary lifts northward as a warm front. Numerous showers and a few Thunderstorms develop Sunday into Sunday evening, a few of which could be strong to severe. A strong offshore flow is expected Sunday night through Monday night behind the passing cold front.


7 Day Forecast for Marine Location Near Goodland, FL
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location: 25.84, -81.57     debug


Area Discussion for - Miami-South Florida, FL
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FXUS62 KMFL 290102 AAB AFDMFL

Area Forecast Discussion . UPDATED National Weather Service Miami FL 802 PM EST Sat Nov 28 2020

Update. High pressure over the Western Atlantic waters will move slowly southward tonight into the Bahamas, as low pressure develops over the Northwest Gulf of Mexico. This will allow for the steering flow over South Florida to become more south/southeast but light and allow for some low level moisture to work into the region from the south. Therefore, the weather will remain mostly dry tonight over South Florida with only an isolated shower over the east coast metro areas and the adjacent Atlantic coastal waters.

Light winds and low level moisture over South Florida will allow for some fog to develop over the interior and west coast metro areas especially west of Lake Okeechobee late tonight into early Sunday morning. Therefore, Fog has been expanded to include rest of the interior and the west coast metro areas with even areas of fog west of Lake Okeechobee for late tonight into early Sunday morning.

Rest of the forecast looks good at this time and no other changes are planned.

Prev Discussion. /issued 622 PM EST Sat Nov 28 2020/

Aviation . The winds will remain light and variable over all of the TAF sites tonight along with mostly dry conditions. Patchy fog should develop over the interior areas of South Florida late tonight, but remain away from most of the TAF sites. The only exception is for APF taf site where the vis and ceiling could fall down into MVFR conditions between 08Z and 11Z due to fog.

Prev Discussion . /issued 303 PM EST Sat Nov 28 2020/

Short Term (Rest of today through Sunday) .

Rest of today .

A broad area of weak low-level high pressure is evident across the region via the latest RAP analysis and GOES-16 water vapor imagery loops. This is supporting very weak low/mid-level flow across southern Florida. The MFL 12Z RAOB captured this weak low- level flow pattern quite well -- depicting a cloud-layer mean wind of 9 knots from the WNW. Aloft, a swath of enhanced mid/upper- level southern steam flow is evident across northern Florida. While there may be some weak upper-level divergence associated with this area of enhanced flow, large-scale forcing for ascent remains nearly negligible across the South Florida CWA.

The large-scale pattern discussed above is supporting a strong 750- mb subsidence inversion -- below which a relatively moist layer is evident via this previously mentioned MFL RAOB (characterized by low- level RH near 80%). This shallow moisture combined with a north- south oriented mesoscale coastal boundary across the Atlantic waters is supporting shallow convective showers with very little in the way of motion. In fact, most of these showers appear to be anchored along the western periphery of the Gulf stream, where localized heat/moisture fluxes are supporting higher theta-e marine boundary layer air.

Considering the relatively rich low-level moisture below the above mentioned inversion and fairly dense cloud coverage/debris over the Atlantic coastal waters, the coastal boundary layer has remained somewhat sheltered from diurnally-driven inland vertical mixing. This has preserved the surface moisture -- supporting a small uptick in weak surface-based buoyancy along the southeast coast (nearing 500 J/kg this afternoon). Further west, nearly clear skies is supporting efficient surface heating, which has generally mixed out the above mentioned rich low-level moisture and actually stabilized these areas to an extent. That being said, areas over western Miami- Dade County/inland South Florida could see isolated showers develop, owing to the interface of deeper inland boundary-layer mixing and the above mentioned moist/sheltered coastal boundary layer. Therefore, isolated mesoscale driven convective showers remain possible along the immediate Atlantic coastline of Miami-Dade and Broward Counties, with lower chances extending inland.

Any showers that do manage to develop over land areas today will be shallow in depth -- owing to warm/dry mid-level air and associated strong convective inhibition (SBCINH near -150 J/kg). A lack of any appreciable large-scale forcing for ascent will inhibit parcels from reaching their LFCs within this fairly hostile thermodynamic environment. That said, the very slow/non- existent storm motions and slow propagation vectors will support some light rainfall accumulations across metro Miami-Dade County. The relatively light nature of these showers should greatly limit the threat of urban/street flooding, but if any shower becomes locally enhanced and moves slowly over a particular coastal area, ponding of water could occur, though unlikely.

Sunday .

Weak high pressure will remain in place across the region, supporting very similar conditions to that of today. Isolated coastal showers will be possible, but coverage and intensity should be low. Temperatures will remain seasonable for this time of year. Winds begin to transition to a southerly direction, but remain light overall.

Long Term (Monday Through Saturday) .

The extended period opens up with high pressure retreating into the Atlantic as a complex low over the Gulf Coast states begins to traverse northeastward, pushing a frontal boundary down the peninsula and across South Florida mid Monday into early Tuesday. Current model solutions, albeit still showing minor differences in timing, depict the low quickly progressing up the eastern Seaboard along with the best upper level dynamics. Therefore, showers with perhaps a few thunderstorms are possible with the front's passage.

Behind the front, high pressure builds back across the peninsula, with northwesterly to northerly flow advecting a colder and drier airmass into the region. The coldest temperatures should be felt Wednesday morning with overnight lows dipping into the upper 40s to lower 50s across coastal metro areas and mid to lower 40s over the interior and western Lake Region. This will be somewhat short- lived as high pressure slides further eastward, veering the flow out of the northeast then east, essentially inciting a warming and slight moistening trend as the airmass modifies by late week.

Guidance then hints at the potential for cyclogenesis in our vicinity, along with a second frontal boundary by the tail end of the week and into next weekend. Unsurprisingly, agreement this far out is poor in regards to timing, location, trajectory, and overall impacts to South Florida. This will be something that will be monitored with each model run and as we get closer in time.

Marine . A weak area of high pressure over the region will continue to support light winds and generally benign marine conditions across the local waters through this weekend. Early next week, a cold front will approach the area and bring an increase in winds and associated hazardous marine conditions, which will persist until late next week.

Aviation (18Z TAFs) . Primarily VFR throughout the period, with weak high pressure and light/variable wind flow in place. Shallow moisture continues to support VFR cigs along the southeastern portions of S FL this afternoon, as well as brief passing SHRA. Convective coverage is too minimal to mention in the TAFs, but brief MVFR cigs/vis could accompany this activity along the eastern terminals.

Preliminary Point Temps/PoPs. West Palm Beach 68 82 70 84 / 10 10 10 30 Fort Lauderdale 70 83 70 84 / 10 10 10 20 Miami 69 83 71 84 / 10 10 10 20 Naples 67 83 70 81 / 0 10 10 70

MFL WATCHES/WARNINGS/ADVISORIES. FL . None. AM . None. GM . None.

Update . 54/BNB Marine . 55/CWC Aviation . 54/BNB Short Term . 55/CWC Long Term . 11/HVN


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
RKXF1 - Rookery Bay Reserve, FL 16 mi100 min ESE 1.9 66°F 1018 hPa66°F
WPLF1 - Watson Place, FL 19 mi145 min 77°F
CNBF1 - Cannon Bay, FL 22 mi145 min 79°F
NPSF1 - 8725110 - Naples, FL 24 mi55 min 73°F 76°F1017.8 hPa
LMRF1 - Lostmans River, FL 29 mi145 min 77°F
WIWF1 - Willy Willy, FL 33 mi145 min 78°F
HREF1 39 mi145 min 75°F
BDVF1 - Broad River, FL 40 mi145 min 76°F
BGCF1 - Big Carlos Pass, FL 42 mi91 min N 2.9 G 4.1 74°F
SREF1 42 mi145 min 77°F
GBIF1 - Gunboat Island, FL 43 mi145 min 75°F
CANF1 - Cane Patch, FL 44 mi145 min 76°F
NRRF1 49 mi145 min 76°F

Wind History for Naples, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Naples, Naples Municipal Airport, FL24 mi32 minN 09.00 miFair70°F66°F90%1016.6 hPa

Link to 5 minute data for KAPF

Wind History from APF (wind in knots)
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Last 24hrCalmCalmCalmCalmCalmCalmCalmCalmE3SE4Calm--W6W7W8W8W5W4NW4NW3CalmCalmCalmCalm
1 day agoCalmCalmCalmCalmNE3NE4CalmNE4NE8NE9E6NE10
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2 days agoE3NE3NE5NE3CalmNE3NE4NE6NE6NE43SE8S6SW8W7--W5NW3CalmCalmCalmNE3CalmCalm

Tide / Current Tables for Round Key, Florida
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Round Key
Click for Map
Sun -- 06:08 AM EST     Moonset
Sun -- 06:38 AM EST     -0.29 feet Low Tide
Sun -- 06:54 AM EST     Sunrise
Sun -- 12:54 PM EST     3.92 feet High Tide
Sun -- 05:15 PM EST     Moonrise
Sun -- 05:34 PM EST     Sunset
Sun -- 06:20 PM EST     1.11 feet Low Tide
Sun -- 11:54 PM EST     4.20 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.13.7321.10.3-0.2-0.30.21233.73.93.632.21.51.11.21.72.53.44

Tide / Current Tables for Cape Romano, Florida
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Cape Romano
Click for Map
Sun -- 06:09 AM EST     Moonset
Sun -- 06:30 AM EST     -0.33 feet Low Tide
Sun -- 06:55 AM EST     Sunrise
Sun -- 12:43 PM EST     3.15 feet High Tide
Sun -- 05:16 PM EST     Moonrise
Sun -- 05:34 PM EST     Sunset
Sun -- 06:12 PM EST     1.25 feet Low Tide
Sun -- 11:43 PM EST     3.38 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.22.92.21.50.70.1-0.3-0.30.10.91.72.533.12.92.41.91.51.31.41.72.32.93.3

Weather Map
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wmap_A
GEOS Local Image of    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.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Ground Weather Radar Station Miami, FL
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Gulf Stream Current



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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 numerous 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.