Saturday, January18, 2020
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Marine Weather and Tides
Plantation Island, FL

Version 3.4
NOTICE
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 7:14AMSunset 5:59PM Saturday January 18, 2020 10:48 AM EST (15:48 UTC) Moonrise 1:21AMMoonset 1:01PM Illumination 41% Phase: Third Quarter Moon; Moon at 23 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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GMZ657 Expires:202001181815;;127458 Fzus52 Kmfl 180901 Cwfmfl Coastal Waters Forecast For South Florida National Weather Service Miami Fl 401 Am Est Sat Jan 18 2020 Atlantic Coastal Waters From Jupiter Inlet To Ocean Reef Out To 60 Nm And Gulf Coastal Waters From East Cape Sable To Chokoloskee Out 20 Nm And Chokoloskee To Bonita Beach Out 60 Nm...including The Waters Of Biscayne Bay And Lake Okeechobee. Seas Are Provided As A Range Of The Average Height Of The Highest 1/3 Of The Waves...along With The Occasional Height Of The Average Highest 10 Percent Of The Waves. Gmz656-657-181815- Coastal Waters From Chokoloskee To Bonita Beach Fl Out 20 Nm- Coastal Waters From East Cape Sable To Chokoloskee Fl Out 20 Nm- 401 Am Est Sat Jan 18 2020
.small craft advisory in effect until 1 pm est this afternoon...
Today..East southeast winds 10 to 20 knots with gusts to around 30 knots. Seas around 2 feet nearshore and 2 to 4 feet with occasional to 5 feet offshore. Period 4 seconds. Bay and inland waters a moderate chop.
Tonight..East southeast winds 5 to 10 knots nearshore and east southeast 10 to 15 knots offshore. Seas around 2 feet. Period 3 seconds. Bay and inland waters a light chop.
Sunday..South southeast winds 5 to 10 knots. Seas around 2 feet. Period 3 seconds. Bay and inland waters a light chop.
Sunday night..NEarshore, north winds after midnight. Winds southwest 5 knots in the evening. Offshore, north winds 5 to 15 knots after midnight. Seas less than 2 feet. Period 2 seconds. Bay and inland waters a light chop. Slight chance of light showers in the evening, then chance of light showers after midnight.
Monday..NEarshore, north winds 10 knots becoming 10 to 15 knots in the evening. Offshore, north winds 10 to 15 knots. Seas around 2 feet nearshore and 2 to 4 feet with occasional to 5 feet offshore. Bay and inland waters a light chop. Slight chance of showers.
Monday night through Wednesday..North northeast winds 10 to 15 knots with gusts to around 25 knots nearshore and north northeast 15 to 20 knots with gusts to around 30 knots offshore. Seas 2 to 3 feet nearshore and 2 to 4 feet with occasional to 6 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- 922 Am Cst Sat Jan 18 2020
Synopsis..A moderate to strong easterly wind flow early today will shift south then southwest and diminish this afternoon and this evening ahead of a strong cold front approaching from the northwest. The cold front is expected to move across the marine area early Sunday morning, leading to a strong offshore flow Sunday through Tuesday morning. Northerly winds and seas will slowly diminish late Tuesday and Tuesday night then become mostly east and rebuild later in the week ahead of another approaching cold front. Scattered to numerous showers with a few embedded Thunderstorms will occur ahead of and in the wake of the cold front today and tonight. A small craft advisory will likely be required in the wake of the cold front Sunday through early Tuesday.


7 Day Forecast for Marine Location Near Plantation Island, FL
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location: 25.82, -81.42     debug


Area Discussion for - Miami-South Florida, FL
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FXUS62 KMFL 181049 AFDMFL

Area Forecast Discussion National Weather Service Miami FL 549 AM EST Sat Jan 18 2020

Aviation. Generally VFR but gusty easterly flow will persist with a tendency more north of east this morning that will become south of east to southeasterly by tonight. With the front being south of the region, rain shower chances should be minimal on Saturday.

Prev Discussion. /issued 320 AM EST Sat Jan 18 2020/

.Hazardous Marine and Beach Conditions This Weekend. .Early week cold front before chilly mid-week mornings.

Short Term (Today through Sunday) . Easterly flow from surface high pressure centered over the Mid- Atlantic states will remain gusty today. Moisture is fairly limited and the threat of even sprinkles should diminish after sunrise this morning. Aloft, a ridge of high pressure sitting over the Greater Antilles will help keep a lid on any potential convective activity. Temperatures along the Atlantic coast will feel a bit cooler thanks to the gusty easterly flow while the Gulf coast could again push into the lower 80s. Tonight should be comfortable with temperatures a few degrees above climatological norms ranging from mid to upper 60s along the Atlantic to upper 50s over inland portions of Southwest Florida.

The pattern begins to shift on Sunday as the surface high pressure slides eastward into the Atlantic giving way to the approaching Great Lakes low pressure system. A cold front associated with this system will stretch into the Gulf of Mexico and will move southeastward entering northern Florida late Saturday and knocking on Central Florida's door early on Sunday. The wind will go from easterly to southeasterly today and become more southwesterly by Sunday afternoon. Accordingly, additional moisture and a warming trend will be the story on Sunday. Rain chances will still be minimal as the front will still be distant enough on Sunday where the influence of the ridge aloft will remain.

Sunday night is a different story as a pre-frontal trough could bring some rain chances to the area ahead of the main front. Thunderstorm chances are non-zero but lack of much mid to upper level support for convection with just the trough moving through increase confidence in leaving mention of thunderstorms out of the forecast for now.

Long Term (Monday through Friday) . A pre-frontal trough should be south of South Florida on Monday leading to a northerly wind flow. However, there could still be a few showers over South Florida on Monday ahead of a strong cold front that should move through the region Monday night, as some low level moisture remain in place over South Florida.

The strong cold front should move through South Florida Monday night bringing in dry air along with much colder conditions for Tuesday into Wednesday. Highs on Tuesday and Wednesday will struggle to get into the 60s. Lows Tuesday morning will be 40s over the interior and west coast metro areas with 50s over the east coast metro areas. However, the wind chill readings on Tuesday morning will be around 40 west of Lake Okeechobee due to the northerly winds around 5 mph. Lows on Wednesday morning will be even colder with 40s over the eastern areas of South Florida to the mid to upper 30s over the western areas except around 40 west coast metro areas.

The air mass over South Florida will then warm up to near normal conditions late this week, as the high will be moving into the Atlantic waters from the Southeastern United States. This will allow for the winds swing to an easterly direction late this week allowing for the highs to get back into the 70s with lows getting back into the 50s, except in the lower to mid 60s over the east coast metro areas which is a little bit above the normal temperatures for this time of year.

Marine . Two rounds of hazardous conditions with the first this weekend as gusty easterly winds due to the gradient between building high pressure over the Mid-Atlantic and the backdoor cold front to our south and swell. Conditions will briefly improve ahead of the next front on Monday with deteriorating conditions forecast behind the front heading into mid-week. Small Craft Advisories may be necessary, particularly for the Atlantic waters, through the end of the week.

Beach Forecast . Gusty easterly flow and swell in the Atlantic will create a high risk of rip currents along the Atlantic beaches today which will likely persist into Sunday. Accordingly, the Rip Current Statement has been extended through 00z Monday for the Atlantic beaches of South Florida. Rip Current potential remains highest along the Palm Beaches through a good portion of the week, though the rest of the Atlantic beaches remain elevated as well.

Preliminary Point Temps/PoPs. West Palm Beach 76 65 81 64 / 10 0 10 20 Fort Lauderdale 76 68 80 67 / 10 10 10 20 Miami 77 66 81 66 / 0 10 10 20 Naples 81 63 80 61 / 0 0 10 20

MFL WATCHES/WARNINGS/ADVISORIES. FL . High Rip Current Risk through Sunday evening for FLZ168-172-173.

High Surf Advisory until 7 AM EST Sunday for FLZ168.

AM . Small Craft Advisory until 10 PM EST this evening for AMZ651-671.

Small Craft Advisory until 10 PM EST Sunday for AMZ650-670.

Small Craft Advisory until 4 PM EST this afternoon for AMZ630.

GM . Small Craft Advisory until 1 PM EST this afternoon for GMZ656- 657-676.

Aviation . 02/RAG


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
WPLF1 - Watson Place, FL 12 mi48 min 72°F
RKXF1 - Rookery Bay Reserve, FL 22 mi63 min SE 6 71°F 1027 hPa60°F
LMRF1 - Lostmans River, FL 23 mi48 min 73°F
WIWF1 - Willy Willy, FL 26 mi48 min 69°F
NPSF1 - 8725110 - Naples, FL 30 mi48 min 71°F 70°F1026.5 hPa (+1.6)
BDVF1 - Broad River, FL 33 mi48 min 72°F
HREF1 33 mi48 min 73°F
CANF1 - Cane Patch, FL 37 mi48 min 71°F
GBIF1 - Gunboat Island, FL 37 mi48 min 73°F
SREF1 37 mi48 min 73°F
TPEF1 - Tarpon Bay East, FL 37 mi108 min 72°F
CWAF1 42 mi108 min 71°F
NRRF1 43 mi48 min 71°F
LRIF1 46 mi48 min 71°F
BGCF1 - Big Carlos Pass, FL 47 mi114 min E 7 G 13 69°F 1026.9 hPa
WWEF1 48 mi108 min 71°F

Wind History for Naples, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Naples, Naples Municipal Airport, FL29 mi55 minE 1210.00 miFair75°F57°F55%1026.3 hPa

Link to 5 minute data for KAPF

Wind History from APF (wind in knots)
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1 day agoCalmE7NW6NW10NW9NW6NW7NW3NW3N3N4N3NE3CalmNE3NE3N3NE3NE3N3N4N3NE4NE8
2 days agoSE106SE6E6W8W8SW6NW5W3CalmN3CalmCalmCalmCalmCalmCalmN3CalmCalmCalmCalmNE3NE6

Tide / Current Tables for Everglades City, Barron River, Florida
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Everglades City
Click for Map
Sat -- 01:20 AM EST     Moonrise
Sat -- 03:45 AM EST     0.02 feet Low Tide
Sat -- 07:13 AM EST     Sunrise
Sat -- 09:19 AM EST     1.73 feet High Tide
Sat -- 01:01 PM EST     Moonset
Sat -- 03:05 PM EST     0.58 feet Low Tide
Sat -- 05:58 PM EST     Sunset
Sat -- 08:34 PM EST     2.33 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.10.60.30.100.20.71.11.51.71.71.51.20.90.70.60.71.11.522.32.32.21.9

Tide / Current Tables for Round Key, Florida
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Round Key
Click for Map
Sat -- 01:21 AM EST     Moonrise
Sat -- 01:32 AM EST     0.04 feet Low Tide
Sat -- 07:14 AM EST     Sunrise
Sat -- 07:50 AM EST     2.59 feet High Tide
Sat -- 12:52 PM EST     1.13 feet Low Tide
Sat -- 01:01 PM EST     Moonset
Sat -- 05:58 PM EST     Sunset
Sat -- 07:05 PM EST     3.49 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.40.10.10.411.62.12.52.62.421.61.21.11.31.82.32.93.33.53.43.12.51.8

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
Wind Forecast for Miami-South Florida, FL (10,2,3,4)
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Ground Weather Radar Station Miami, FL
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weather_mapweather_map weather_map

Gulf Stream Current


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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 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.