Monday, January20, 2020
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Marine Weather and Tides
Port LaBelle, 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 6:00PM Monday January 20, 2020 12:05 PM EST (17:05 UTC) Moonrise 3:25AMMoonset 2:26PM Illumination 21% Phase: Waning Crescent; Moon at 25 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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AMZ610 Lake Okeechobee- 1001 Am Est Mon Jan 20 2020
Rest of today..North winds 10 to 15 knots. Lake waters a moderate chop.
Tonight..North winds 10 to 15 knots with gusts to around 20 knots. Lake waters a moderate chop.
Tuesday..North northwest winds 10 to 20 knots. Lake waters choppy.
Tuesday night..North northwest winds 15 to 20 knots with gusts to around 25 knots. Lake waters choppy.
Wednesday..North winds 10 to 20 knots with gusts to around 25 knots. Lake waters choppy.
Wednesday night..Northeast winds 5 to 10 knots. Gusts up to 20 knots late in the evening. Lake waters a light chop.
Thursday and Thursday night..East winds 5 to 10 knots. Lake waters a light chop.
Friday..Southeast winds 5 to 10 knots. Lake waters a light chop. Chance of light 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- 1001 Am Est Mon Jan 20 2020
Synopsis..A cold front moved across the region early this morning, bringing a very brief round of showers. Drier air and northerly flow are now establishing over the soflo coastal waters in the wake of the front. Meanwhile, a surface low pressure developing over the open atlantic waters to the north of the bahamas is forecast to create swell that will allow the elevated seas to remain in the atlantic through a good part of the week.
Gulf stream hazards..Hazardous winds and seas will build behind the cold front with elevated seas remaining through much of the week. The approximate location of the west wall of the gulf stream as of jan 20, 2020 at 1200 utc... 5 nautical miles southeast of fowey rocks. 7 nautical miles east northeast of port everglades. 5 nautical miles east northeast of lake worth. 10 nautical miles east southeast of jupiter inlet. This data courtesy of the naval oceanographic office.


7 Day Forecast for Marine Location Near Port LaBelle, FL
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location: 26.77, -81.44     debug


Area Discussion for - Miami-South Florida, FL
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FXUS62 KMFL 201428 AFDMFL

Area Forecast Discussion National Weather Service Miami FL 928 AM EST Mon Jan 20 2020

Update. Cold front moved across soFlo a little faster than anticipated with the pre-frontal convection ahead of the main boundary already past the Florida Keys. Radar was showing a few small showers lingering over the Atlantic coastal waters, but these should also push further southeastward through the rest of the morning hours.

The 12Z MFL sounding came out fairly dry, with PWATS around 0.9 inches, and this was ahead of the FROPA. Thus, with the main boundary already pushing south of the Miami metro area, as suggested by the northward shift in winds and dropping dew points, will go ahead and remove all mention of showers for the rest of today and through Tuesday.

Models also backed down from bringing the surge of northerly winds in the wake of the FROPA for today or tonight, and the breezy/gusty conditions are not expected until late Tuesday when more robust cold/dry air advection establishes. Therefore, expect moderate northerly flow through Tuesday morning, with temperatures tonight dropping into the low-mid 40s inland and mid-upper 50s near the coast.

Prev Discussion. /issued 629 AM EST Mon Jan 20 2020/

Cold front moving through South Florida this morning.

Short Term (Today and Tonight) . Some showers have developed ahead of the cold front this morning, with a focus over the local waters where more ample moisture exists to support convection. In general, activity early today should remain shallow showers with spartan coverage. As the front pushes through the area this morning, a general drying trend is expected from northwest to southeast throughout the day. Gusty northwesterly to northerly winds will last overnight with temperatures falling into the lower 40s over Glades and Hendry Counties, 40s across the rest of Southwest Florida and inland Southeast Florida, and mid to upper 50s along the Atlantic coast. Due to the Atlantic moisture, cannot rule out some shallow showers over the Atlantic waters which could push near the coast but things should generally remain dry after the main front pushes through.

Long Term (Tuesday through Sunday) . A shortwave trough will continue to swing southeastward across the SE CONUS and out over the Atlantic on Tuesday/Tuesday night, helping induce the formation of a surface low off the Carolina coast. This developing low will keep the gradient tight and breezy northerly winds in place over South Florida into Wednesday, when the surface low finally pushes off further into the Atlantic. This prolonged period in breezy northerly winds will leave more time for cooler and drier air to filter in across the area, making Tuesday night into Wednesday morning the coldest of the period with low temperatures ranging from the mid 30s west of the Lake/interior SW Florida to the upper 40s right along the East Coast. While frost is not expected to be a concern since winds should stay around 10mph or more overnight, a wind chill advisory (wind chill of 35 degrees or less and winds over 5 mph for 3+ hours) will be possible for some of the interior portions of the area.

Wednesday will remain cool under northerly winds with high temperatures in the 60s. Winds become more easterly Wednesday night as the surface low to the northwest moves further away, kicking off a gradual warming and moistening trend stretching into the weekend. In the meantime, another shortwave trough swinging across Texas will help induce a surface low over the northwestern Gulf on Thursday. The shortwave trough begins to phase with the longwave trough as it rounds the base of it, helping drag the surface low to the northeast across the Southeast CONUS on Friday. This system should ultimately drag another cold front through South Florida on Saturday, but with the loss of upper level support by this time not much convection is expected. This second front cools things off again but not nearly as cold as the first front, with low temperatures only expected to dip into the upper 40s west of the Lake to the upper 50s/near 60 along the East Coast Sunday night.

Marine . Stiff northerly to northwesterly flow behind today's cold front will allow for hazardous conditions to develop in the Gulf and Atlantic waters. There will be some brief improvement for the Gulf but the Atlantic waters could see the hazardous conditions linger through a good portion of the week. Some initial Small Craft Advisory issuances will go out with this forecast package but mariners are advised to stay aware of the latest forecast as these advisories will likely change in time and require extensions into the late parts of the week.

Beach Forecast . An elevated risk of rip currents will remain along the Atlantic beaches on this Martin Luther King, Jr. Day with a high rip current risk remaining along the Palm Beaches again today. The Gulf beaches will see an elevated rip current risk develop behind the cold front that may linger through mid-week. Meanwhile on the Atlantic beaches, the elevated rip current risk will remain through the week with some of the Palm Beaches maintaining the risk into the weekend potentially.

Prev Discussion . /issued 1238 AM EST Mon Jan 20 2020/

Aviation . Some bouts of sub-VFR cigs (and possibly vsbys) overnight into the morning hours as showers ahead of a cold front push across South Florida. Lingering low cigs in the morning should improve by midday. Gusty northwesterly to northerly flow by afternoon which should become a tad lighter overnight Monday into Tuesday to close out the forecast period.

Preliminary Point Temps/PoPs. West Palm Beach 71 54 66 46 / 20 20 10 10 Fort Lauderdale 73 56 68 47 / 40 20 10 0 Miami 75 54 69 45 / 30 10 10 0 Naples 71 47 63 41 / 10 0 0 0

MFL WATCHES/WARNINGS/ADVISORIES. FL . High Rip Current Risk until 7 PM EST this evening for FLZ168.

AM . Small Craft Advisory from 4 AM to 8 PM EST Tuesday for AMZ651- 671.

Small Craft Advisory until 8 PM EST Tuesday for AMZ650-670.

GM . Small Craft Advisory until 4 AM EST Tuesday for GMZ656-657-676.

Update . 17/AR


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
FMRF1 - 8725520 - Fort Myers, FL 24 mi48 min NNE 7 G 8.9 72°F1021.2 hPa
BGCF1 - Big Carlos Pass, FL 34 mi72 min NNE 12 G 14 62°F 1021.9 hPa
NPSF1 - 8725110 - Naples, FL 48 mi48 min NNE 8 G 12 71°F1020.9 hPa
RKXF1 - Rookery Bay Reserve, FL 52 mi81 min NE 6 67°F 1022 hPa61°F

Wind History for Naples, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Fort Myers, Southwest Florida International Airport, FL23 mi13 minN 910.00 miFair65°F45°F49%1020.9 hPa

Link to 5 minute data for KRSW

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Last 24hrSW12SW13SW9SW14SW9SW8SW7SW7SW6SW5W3CalmNW4NW3NW3NW4N8N7N8N9N8N10N7N9
1 day agoSE14SE12SE12SE10SE9E5--E5SE6SE6SE5E3E5CalmSE3SE4SE3SE5SE7S8S8S9S12SW11
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Tide / Current Tables for Fort Myers, Florida (3)
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Fort Myers
Click for Map
Mon -- 03:26 AM EST     Moonrise
Mon -- 07:16 AM EST     Sunrise
Mon -- 08:11 AM EST     -0.25 feet Low Tide
Mon -- 02:28 PM EST     Moonset
Mon -- 04:00 PM EST     0.55 feet High Tide
Mon -- 05:40 PM EST     0.54 feet Low Tide
Mon -- 06:00 PM EST     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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10.90.80.60.40.1-0.1-0.2-0.2-0.2-0.10.10.20.40.50.50.50.50.50.60.70.80.91.1

Tide / Current Tables for Fort Myers, Florida
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Fort Myers
Click for Map
Mon -- 03:26 AM EST     Moonrise
Mon -- 07:16 AM EST     Sunrise
Mon -- 07:56 AM EST     -0.38 feet Low Tide
Mon -- 01:52 PM EST     0.37 feet High Tide
Mon -- 02:28 PM EST     Moonset
Mon -- 05:13 PM EST     0.23 feet Low Tide
Mon -- 06:00 PM EST     Sunset
Mon -- 11:55 PM EST     1.11 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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10.90.70.50.30-0.2-0.3-0.4-0.3-0.200.20.30.40.30.30.20.20.40.50.70.91.1

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 (12,3,4,5)
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Ground Weather Radar Station Tampa Bay Area, FL
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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.