Wednesday, September23, 2020
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L-36.com

Marine Weather and Tides
Clewiston, 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 7:10AMSunset 7:18PM Wednesday September 23, 2020 4:04 PM EDT (20:04 UTC) Moonrise 12:50PMMoonset 11:30PM Illumination 40% Phase: Waxing Crescent; Moon at 6 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- 341 Pm Edt Wed Sep 23 2020
Tonight..East winds 5 to 15 knots. Lake waters a moderate chop.
Thursday..East southeast winds 5 to 15 knots. Lake waters a moderate chop. Chance of showers.
Thursday night..East southeast winds 5 to 15 knots. Lake waters a moderate chop. Slight chance of Thunderstorms in the evening. Chance of showers through the night.
Friday..Southeast winds 5 to 10 knots. Lake waters a light chop. Showers likely in the morning. Chance of Thunderstorms
showers in the afternoon
Friday night..Southeast winds 5 to 10 knots. Lake waters a light chop. Chance of showers and slight chance of Thunderstorms in the evening.
Saturday..East southeast winds 5 to 10 knots. Lake waters a light chop. Chance of showers in the morning. Chance of Thunderstorms. Showers in the afternoon.
Saturday night..East southeast winds around 5 knots. Lake waters smooth. Slight chance of showers and Thunderstorms in the evening.
Sunday..East southeast winds 5 to 10 knots. Lake waters a light chop. Chance of showers in the morning. Chance of Thunderstorms. Showers likely in the afternoon.
Sunday night..East southeast winds around 5 knots becoming east northeast in the morning. Lake waters smooth. Slight chance of showers and Thunderstorms in the evening.
Monday..East southeast winds 5 knots. Lake waters smooth. Slight chance of showers and Thunderstorms in the morning, then showers likely and chance of Thunderstorms in the afternoon.
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 Pm Edt Wed Sep 23 2020
Synopsis.. High pressure situated across the eastern seaboard and an old frontal boundary over the northern caribbean sea is maintaining a tightened pressure gradient and breezy easterly winds across the local waters of south florida. In addition, large northeasterly swell from former hurricane teddy is supporting elevated seas, primarily across the northern atlantic waters. Small craft advisories remain in place for the atlantic waters of south florida due to these hazardous marine conditions. Conditions are anticipated to gradually improve through the remainder of the workweek.
Gulf stream hazards..Hazardous marine conditions will continue due to large northeasterly swell and breezy winds. The approximate location of the west wall of the gulf stream as of sep 22, 2020 at 1200 utc... 7 nautical miles east northeast of fowey rocks. 16 nautical miles east of port everglades. 9 nautical miles east northeast of lake worth. 9 nautical miles east southeast of jupiter inlet. This data courtesy of the naval oceanographic office.


7 Day Forecast for Marine Location Near Clewiston, FL
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location: 26.77, -81     debug


Area Discussion for - Miami-South Florida, FL
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FXUS62 KMFL 231727 AFDMFL

Area Forecast Discussion National Weather Service Miami FL 127 PM EDT Wed Sep 23 2020

AVIATION(18Z TAFS).

Prevailing dry/VFR conditions with only minimal chances for a brief passing shower through early evening. Breezy easterly winds should continue today, with occasional gusts to around 20 kt through early evening. A few showers possible late tonight, but better chances towards afternoon/evening with a few thunderstorms also possible. Winds tomorrow should shift more towards the ESE- SE.

PREV DISCUSSION. (Issued 950 AM EDT Wed Sep 23 2020)

UPDATE .

Quiet weather is anticipated for today with high pressure in control. A quasi-stationary frontal zone remains to our south over Cuba, with moisture channel imagery revealing very dry conditions in the mid levels. Some shallow low-level moisture suggests the possibility for a brief shower here or there, but any impacts should be minimal and most areas will remain dry today. Benign conditions should persist through Thursday morning before moisture starts creeping back in from the south as the frontal zone lifts north towards our area. Breezy easterly winds should continue. Given continued local impacts, opted to extend the High Surf Advisory (Palm Beach County) and Coastal Flood Advisory (east coast) into Thursday. No other meaningful changes were made and the going forecast is in good shape.

PREV DISCUSSION . (Issued 723 AM EDT Wed Sep 23 2020)

AVIATION(12Z TAFS) .

Prevailing dry/VFR conditions with only minimal chances for a brief passing shower today. Breezy easterly winds through the TAF period with gusts to around 25 kt this afternoon. Shower chances gradually increase tomorrow afternoon and evening.

PREV DISCUSSION . (Issued 408 AM EDT Wed Sep 23 2020)

Short Term (Today through Thursday) .

As Post-Tropical Cyclone Teddy continues northward near portions of Atlantic Canada, a low/mid-level high will shift eastward into the western Atlantic waters behind the powerful system. At the same time, a positively tilted mid-level shortwave trough will progress through the Middle Mississippi Valley and interact with the remnants of Beta.

With a decaying quasi-stationary frontal boundary lingering over the northern Caribbean Sea, rich tropical moisture will remain confined to the south of South Florida today (Wednesday), while very dry/warm mid-level air remains in place across the area. While the anomalously dry mid-levels and weak static instability/strong capping inversion will suppress any deep convection again today, enhanced low-level easterlies will maintain adequate boundary layer moisture (dewpoints in the lower 70s) across the southern and eastern portions of South Florida -- supporting a slight chance of passing low-topped showers off the Atlantic waters. Maximum temperatures will be in the middle to upper 80s, with dewpoints in the upper 60s to lower 70s. The seasonably low dewpoints combined with breezy easterly flow should support another comfortable day across South Florida today.

By Thursday, the aforementioned area of high pressure over the western Atlantic waters will continue to build eastward, allowing for mid-level winds to veer to a southerly direction across South Florida. This will foster a deep-layer moistening trend across the southern peninsula (PWs increasing to near 2.0 in) by the evening hours. As the remnants of Beta become entrained into the aforementioned mid-level shortwave trough over the Lower Mississippi Valley and progress northeastward, present indications are that a poleward mass flux could draw additional deep tropical moisture northward in association with the aforementioned quasi-stationary boundary over the Caribbean Sea. The mass response will depend on the evolution/amplification of the shortwave energy and Beta -- leading to some uncertainty in the timing and magnitude of the anticipated southerly moisture transport across South Florida.

With a low/mid-level high situated to the east of South Florida and a positively tilted trough axis extending into the western Gulf of Mexico, a consensus of regional and global model solutions depict a mid-level perturbation progressing northeastward through the eastern Gulf of Mexico, which could interact with the aforementioned moisture -- leading to an initial uptick in convection beginning late on Thursday. The highest rain and storm chances will spread northward with the rich tropical moisture into the evening hours, when locally heavy rainfall will have to be monitored closely.

Long Term . Thursday night through Tuesday night .

With the frontal boundary to the north, and moisture returning to the area, showers and thunderstorms will be possible into next week. With the warmer temperatures aloft, and the 500mb ridging, most of the activity will probably be heavy rain, with a few general thunderstorms for at least the end of the week. The rain may be heavy at times, with PWATs well over 2 inches possible through the weekend. This may bring some urban flooding concerns for Friday through Sunday across the South Floridas metro areas.

At the surface, a high pressure system should slide of the east coast by Wednesday night, keeping the flow out of the east through Thursday. As what is left of Beta sits over the north central Gulf coast, the flow turns more southerly, which again, keeps the moisture streaming into the area, keeping showers and thunderstorms in the forecast through the weekend.

By Monday, a 500mb low over the western Gulf coast, moves east, and a strong 500mb trough digs south, which picks up the low over the Gulf, allowing for the flow aloft to increase, which will help to pull the moisture out of the area, bringing a slight drop in PoPs for Monday and Monday night. PWATs also drop somewhat, back to just below 2 inches.

Tropics wise, both the ECMWF and GFS show a fairly progressive pattern behind Teddy, with no Bermuda high setting back up. They both show a lack of significant tropical activity through the end of the forecast period for South Florida, and the Atlantic in general.

Marine .

High pressure situated across the eastern seaboard and a decaying frontal boundary over the northern Caribbean Sea is maintaining a tightened pressure gradient and breezy easterly winds across the local waters of South Florida today. In addition, large northeasterly swell from Hurricane Teddy is supporting elevated seas, primarily across the northern Atlantic waters. Small Craft Advisories remain in place for the Atlantic and Gulf waters of South Florida due to these hazardous marine conditions. Conditions should begin to improve late in the week, as wind speeds decrease and swell begins to subside.

Aviation (06Z TAFs) .

Primarily VFR conditions through the period. A relatively dry air mass will keep convective coverage minimal, with breezy easterly flow continuing for all terminals. Isolated/passing low-topped showers will be possible off the Atlantic waters, though minimal coverage precludes mention in the TAFs. Precipitation chances begin to increase from south to north late in the period.

Beach Forecast .

Large northeasterly swell from Hurricane Teddy and breezy onshore winds will maintain an elevated rip current risk for all Atlantic beaches through the week. High surf along the Palm Beaches is also expected to persist through at least Wednesday, while beach erosion will also be a concern. Higher than normal tides combined with enhanced winds and swell could lead to continued minor coastal flooding near times of high tide today, with conditions potentially improving through the rest of the week.

Hydrology (Previous discussion still valid) .

Fisheating Creek at Palmdale is forecast to remain steady in Action Stage the next several days. With a warm front approaching the region towards the end of the week, heavy rainfall is possible and this may cause the creek to elevate into Minor Stage. Will monitor as the week progresses. For more information, visit water.weather.gov/ahps

PRELIMINARY POINT TEMPS/POPS. Miami 77 88 78 88 / 30 50 50 70 West Kendall 77 88 77 88 / 30 50 50 70 Opa-Locka 77 88 78 88 / 30 50 50 70 Homestead 77 87 77 87 / 40 50 60 70 Fort Lauderdale 78 88 78 88 / 30 40 50 70 N Ft Lauderdale 77 88 78 87 / 30 40 50 70 Pembroke Pines 77 88 77 88 / 30 50 40 70 West Palm Beach 76 88 77 88 / 20 40 40 70 Boca Raton 77 88 78 88 / 20 40 50 70 Naples 72 91 75 88 / 10 40 60 70

MFL WATCHES/WARNINGS/ADVISORIES. FL . High Rip Current Risk through Friday evening for FLZ168.

High Surf Advisory until 8 PM EDT Thursday for FLZ168.

Coastal Flood Advisory until 8 PM EDT Thursday for FLZ168-172- 173.

High Rip Current Risk through Thursday evening for FLZ172-173.

AM . Small Craft Advisory until 8 PM EDT this evening for AMZ651-671.

Small Craft Advisory until 8 PM EDT Thursday for AMZ650-670.

GM . Small Craft Advisory until 2 PM EDT this afternoon for GMZ656- 657-676.



Update/Aviation . SPM Today through Thursday and Marine . Weinman Thursday Night through Tuesday . 13


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
FMRF1 - 8725520 - Fort Myers, FL 47 mi47 min ESE 5.1 G 7 86°F 82°F1014.2 hPa
LKWF1 - 8722670 - Lake Worth, FL 52 mi47 min E 8.9 G 13 83°F 84°F1014.1 hPa66°F
BGCF1 - Big Carlos Pass, FL 53 mi71 min SE 4.1 G 7 88°F
NPSF1 - 8725110 - Naples, FL 61 mi47 min S 7 G 11 87°F 84°F1014.2 hPa

Wind History for Lake Worth Pier, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure

Link to 5 minute data for KOBE

Wind History from OBE (wind in knots)
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CalmCalmNE5CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmE9
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1 day agoS8E4CalmCalmCalmNE7NE9
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2 days agoCalmCalmNW3N3CalmCalmCalmCalmCalmN3NW3CalmCalmCalmCalmW5W7W4W8CalmCalmCalmSE8
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Tide / Current Tables for Fort Myers, Florida (2) (expired 1999-03-25)
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Fort Myers
Click for Map
Wed -- 01:04 AM EDT     0.66 feet Low Tide
Wed -- 07:16 AM EDT     Sunrise
Wed -- 08:45 AM EDT     1.62 feet High Tide
Wed -- 01:53 PM EDT     Moonrise
Wed -- 06:26 PM EDT     0.29 feet Low Tide
Wed -- 07:22 PM EDT     Sunset
Wed -- 09:56 PM EDT     First Quarter
Wed -- 10:48 PM EDT     0.85 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.70.70.70.811.21.31.51.61.61.51.310.80.70.60.50.40.30.30.50.70.80.8

Tide / Current Tables for Fort Myers, Florida (3)
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Fort Myers
Click for Map
Wed -- 02:03 AM EDT     0.79 feet Low Tide
Wed -- 07:16 AM EDT     Sunrise
Wed -- 08:10 AM EDT     1.38 feet High Tide
Wed -- 01:53 PM EDT     Moonrise
Wed -- 05:16 PM EDT     0.11 feet Low Tide
Wed -- 07:22 PM EDT     Sunset
Wed -- 09:56 PM EDT     First Quarter
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.80.80.80.80.911.21.31.41.41.31.10.90.70.50.30.20.10.10.20.30.50.60.7

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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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.