Thursday, January23, 2020
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Marine Weather and Tides
Seminole Manor, 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 7:07AMSunset 5:56PM Thursday January 23, 2020 5:19 AM EST (10:19 UTC) Moonrise 6:12AMMoonset 4:55PM Illumination 3% Phase: Waning Crescent; Moon at 28 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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AMZ650 Coastal Waters From Jupiter Inlet To Deerfield Beach Fl Out 20 Nm- Waters From Jupiter Inlet To Deerfield Beach Fl From 20 To 60 Nm- 352 Am Est Thu Jan 23 2020
.small craft advisory in effect through Friday evening...
Today..East winds 10 to 15 knots with gusts to around 20 knots. Seas 10 to 12 feet with occasional seas to 15 feet subsiding to 7 to 9 feet with occasional seas to 11 feet in the afternoon. Period 10 seconds. North northeast swell 3 to 8 feet becoming 3 to 6 feet in the afternoon. Intracoastal waters a moderate chop. Chance of showers.
Tonight..East southeast winds 5 to 10 knots along the coast to east 10 to 15 knots with gusts to around 20 knots in the gulf stream. Seas 6 to 8 feet with occasional seas to 10 feet. Period 10 seconds. Northeast swell 5 feet. Intracoastal waters a moderate chop. Slight chance of showers.
Friday..Southeast winds 5 to 10 knots. Seas 4 to 6 feet with occasional seas to 8 feet. Period 6 seconds. Northeast swell 3 feet in the morning. Intracoastal waters a light chop. Slight chance of showers.
Friday night..South southeast winds 5 to 10 knots becoming southwest after midnight. Seas 2 to 4 feet with occasional seas to 5 feet. Period 6 seconds. Intracoastal waters a light chop. Chance of showers through the night.
Saturday through Sunday..North winds 5 to 10 knots. Seas 2 to 4 feet with occasional seas to 5 feet. Intracoastal waters a light chop.
Sunday night..North northeast winds around 5 knots. Seas 2 to 4 feet with occasional seas to 5 feet. North northeast swell 3 feet in the evening. Intracoastal waters smooth. Chance of showers after midnight.
Monday..North winds 5 to 10 knots becoming west in the morning, then becoming north in the afternoon. Along the coast, gusts up to 20 knots in the morning. In the gulf stream, gusts up to 20 knots. Seas 2 to 4 feet with occasional seas to 5 feet. North northeast swell 3 feet. Intracoastal waters a light chop. Chance of 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- 352 Am Est Thu Jan 23 2020
Synopsis.. Hazardous marine conditions continue for the atlantic waters as elevated seas gradually continue to subside through Friday. Easterly winds will also slowly diminish today before they begin to swing out of a southerly direction tomorrow ahead of a cold front that is forecast to push across the local waters early this weekend. A few showers will be possible the remainder of this week, mainly over the atlantic waters.
Gulf stream hazards..Hazardous winds and significantly higher seas continue today. The approximate location of the west wall of the gulf stream as of jan 23, 2020 at 1200 utc... 4 nautical miles southeast of fowey rocks. 8 nautical miles east northeast of port everglades. 9 nautical miles east southeast of lake worth. 10 nautical miles east northeast of jupiter inlet. This data courtesy of the naval oceanographic office.


7 Day Forecast for Marine Location Near Seminole Manor, FL
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location: 26.58, -80.1     debug


Area Discussion for - Miami-South Florida, FL
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FXUS62 KMFL 230824 AFDMFL

Area Forecast Discussion National Weather Service Miami FL 324 AM EST Thu Jan 23 2020

. HIGH RISK OF RIP CURRENTS EAST COAST BEACHES THROUGH FRIDAY.. . HIGH SURF ADVISORY FOR BEACHES OF PALM BEACH COUNTY TODAY . . ROUGH MARINE CONDITIONS ATLANTIC WATERS TODAY .

Discussion.

Short Term. A trough of low pressure off the east coast of Florida this morning will dissipate as high pressure moves through the Southeastern United States. This will allow for the light drainage flow over the region to become northeast today with speeds around 5 to 10 mph. This in turn will allow for the ongoing showers over the Atlantic waters and the east coast metro areas to decrease in coverage this morning and become isolated in coverage by the afternoon hours. The low level clouds will also dissipate this morning and the skies should become partly cloudy by this afternoon allowing for the temperatures to warm up into the 70s.

The high will move east into the Atlantic waters tonight into Friday, as low pressure develops in the Central United States and move east northeast towards the Tennessee Valley region. This will allow for a cold front associated with the low to move southeast towards South Florida on Friday. This in turn will allow for the winds over South Florida to become more southeast on Friday leading to some low level moisture to work into the area leading to some showers over the east coast and the Atlantic coastal waters. Temperatures will also be on an increase with lows Friday morning to be in the 50s, except 60s over the east coast metro areas. Highs on Friday will be in the 70s, except around 80 western interior areas.

Long Term.

Saturday through Sunday .

The next cold front arrives early Saturday as a deepening system over the Ohio Valley/Great Lakes region slides northeastward. Convection may develop ahead or along the boundary, but the FROPA should cross South Florida with little fanfare through the day on Saturday as the upper level support is forecast to remain well north of the boundary. Therefore, only a slight chance of showers are forecast, mainly over the Atlantic and Gulf coastal waters where instability will be greatest.

Behind the front, drier conditions, along with cooler air returns as the flow becomes northerly. This reinforcing, albeit brief, shot of cold air advection down the peninsula will help moderate temperatures back down a few degrees. Overnight, lows should dip into the mid to upper 40s across the northwestern interior and near 60 along the east coast Sunday night. Afternoon temperatures should only climb into the upper 60s near the Lake Region to low 70s elsewhere. Monday through Wednesday .

The pattern then transitions into a wetter, more unsettled one for the start of next week as a surface low looks to develop over the northwestern Gulf of Mexico in response to an eastward propagating southern stream shortwave. As this system, and associated moisture trek eastward, a boundary draped to our south will begin to lift northward as a warm front, increasing rain chances across the area. While the latest guidance has come into a little better agreement on timing, there is still a fair amount of variability with intensity. The latest 23.00Z ECMWF is weaker, while the 23.00Z GFS is a bit more robust. The finer details remain tricky to pin down given the recurrent differences between model iterations, however, increasing rain chances are still anticipated through the day on Monday. Therefore, have raised PoPs across the peninsula and local waters, but kept out the mention of thunder at this time. The outcome can certainly change as we get closer in time and thus, will continue to monitor as the system evolves.

Mostly dry conditions resume through the at least the middle of the week as the system departs the region on Tuesday. Temperatures will generally be in the mid to upper 70s each afternoon and drop into the 50s across the interior and low 60s along the east coast overnight.

Marine. The easterly winds will continue to decrease today into tonight and by Friday be at 5 to 10 knots. The winds will then swing to a southerly direction Friday night ahead of a cold front before going northerly this weekend at 10 to 15 knots behind the passage of the cold front.

A large northerly swell early this morning will slowly decrease today into Friday and should be mostly gone by this weekend. The only exception is over the northern portion of Palm Beach County where there will still be a small northeast swell this weekend.

The Atlantic seas will be slowly decreasing from 9 to 12 feet this morning to 6 to 9 feet this evening. The Atlantic seas will continue to slowly decrease tonight into Friday and by this weekend be less than 2 feet, except 2 to 4 feet in Atlantic waters of Palm Beach County. The Gulf seas will be 3 feet or less today into this weekend.

Therefore, the SCA will continue for all of the Atlantic waters today and has been extended into tonight for the Atlantic waters of Palm Beach County.

Aviation. Low clouds will continue to affect the TAF sites early this morning with IFR conditions. These low cloud should burn off this morning and become VFR conditions by the afternoon hours over the TAF sites. There could also be some light showers affecting the east coast TAF sites through 12Z this morning with the low clouds. Therefore, VCSH will continue for the east coast TAF sites early this morning before going mostly dry for the day hours today. There could also be a west coast sea breeze late this afternoon at TAF taf site, as the west coast sea breeze pushes inland.

Beach Forecast. The High Risk of Rip Currents will continue for the east coast beaches of South Florida along with a High Surf Advisory for the beaches of Palm Beach County, due to the northeast swells today. The northeast swells should dissipate tonight into Friday and should be mostly gone by this weekend. This will keep the threat of High Risk of Rip along the east coast beaches of South Florida through Friday before decreasing this weekend.

Preliminary Point Temps/PoPs. West Palm Beach 76 64 78 60 / 20 20 20 10 Fort Lauderdale 75 66 77 63 / 20 20 20 10 Miami 76 65 78 62 / 20 20 20 10 Naples 76 60 78 60 / 0 0 0 0

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

High Surf Advisory until 7 PM EST this evening for FLZ168.

AM . Small Craft Advisory until 7 PM EST this evening for AMZ651-671.

Small Craft Advisory until 7 PM EST Friday for AMZ650-670.

GM . None.

Marine . 54/BNB Aviation . 54/BNB Beach Forecast . 54/BNB Short Term . 54/BNB Long Term . 11/HVN


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
LKWF1 - 8722670 - Lake Worth, FL 4 mi79 min WNW 4.1 G 6
PEGF1 34 mi55 min 57°F 1015.8 hPa
VAKF1 - 8723214 - Virginia Key, FL 59 mi55 min 60°F 69°F1015.2 hPa

Wind History for Lake Worth Pier, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
West Palm Beach - Palm Beach International Airport, FL7 mi26 minWNW 410.00 miMostly Cloudy57°F54°F90%1016.2 hPa
Pompano Beach, Pompano Beach Airpark, FL23 mi26 minWNW 64.00 miFog/Mist56°F55°F97%1016.1 hPa

Link to 5 minute data for KPBI

Wind History from PBI (wind in knots)
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Tide / Current Tables for Boynton Beach, Florida
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Boynton Beach
Click for Map
Thu -- 02:56 AM EST     -0.40 feet Low Tide
Thu -- 06:11 AM EST     Moonrise
Thu -- 07:08 AM EST     Sunrise
Thu -- 08:40 AM EST     2.64 feet High Tide
Thu -- 03:30 PM EST     0.05 feet Low Tide
Thu -- 04:55 PM EST     Moonset
Thu -- 05:55 PM EST     Sunset
Thu -- 08:42 PM EST     2.40 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.70.1-0.3-0.4-0.20.51.322.52.62.421.40.80.30.10.10.51.11.82.32.42.21.7

Tide / Current Tables for West Palm Beach Canal, Florida (2)
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West Palm Beach Canal
Click for Map
Thu -- 02:24 AM EST     -0.45 feet Low Tide
Thu -- 06:12 AM EST     Moonrise
Thu -- 07:08 AM EST     Sunrise
Thu -- 08:24 AM EST     2.64 feet High Tide
Thu -- 02:58 PM EST     0.06 feet Low Tide
Thu -- 04:55 PM EST     Moonset
Thu -- 05:55 PM EST     Sunset
Thu -- 08:26 PM EST     2.40 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.4-0.2-0.4-0.40.10.81.62.22.62.62.31.81.10.60.20.10.30.81.422.42.421.5

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 (5,6,7,8)
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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.