Wednesday, January29, 2020
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Marine Weather and Tides
Palm Beach Shores, 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 7:05AMSunset 6:00PM Wednesday January 29, 2020 6:52 AM EST (11:52 UTC) Moonrise 10:10AMMoonset 10:17PM Illumination 20% Phase: Waxing Crescent; Moon at 4 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- 237 Am Est Wed Jan 29 2020
Today..Along the coast, east northeast winds 5 to 10 knots in the morning. Winds south southeast in the afternoon. In the gulf stream, east winds 10 to 15 knots in the morning. Seas 2 to 4 feet with occasional seas to 5 feet. Period 6 seconds. Intracoastal waters a light chop. Slight chance of light showers.
Tonight..Southwest winds 10 to 15 knots along the coast to southwest 10 to 20 knots with gusts to around 25 knots in the gulf stream. Seas 2 to 4 feet with occasional seas to 5 feet. Period 5 seconds. Intracoastal waters a moderate chop. Chance of light showers.
Thursday..North northwest winds 10 to 15 knots along the coast to northwest 10 to 20 knots with gusts to around 25 knots in the gulf stream. Seas 2 to 4 feet with occasional seas to 5 feet. Period 4 seconds. Intracoastal waters a moderate chop.
Thursday night..Northeast winds around 10 knots becoming east southeast after midnight. Seas 2 to 4 feet with occasional seas to 5 feet. Period 6 seconds. Intracoastal waters a light chop.
Friday..South southeast winds 10 to 15 knots. Seas 2 to 4 feet with occasional seas to 5 feet. Intracoastal waters a light chop. Chance of showers in the afternoon.
Friday night..South southwest winds 10 to 15 knots. Seas 2 to 3 feet. Intracoastal waters a light chop. Chance of showers in the evening, then showers likely and slight chance of Thunderstorms after midnight.
Saturday..West winds 10 to 15 knots along the coast to west 15 to 20 knots in the gulf stream. Seas 2 to 3 feet. Intracoastal waters a moderate chop. Showers likely.
Saturday night..Northwest winds 15 to 20 knots with gusts to around 25 knots along the coast to northwest 15 to 25 knots with gusts to around 30 knots in the gulf stream. Along the coast, seas 2 to 3 feet. In the gulf stream, seas 3 to 5 feet with occasional seas to 6 feet building to 5 to 7 feet with occasional seas to 9 feet after midnight. Intracoastal waters a moderate chop. Chance of showers in the evening.
Sunday..North winds 10 to 20 knots along the coast to north northwest 10 to 20 knots with gusts to around 30 knots in the gulf stream. Seas 2 to 3 feet along the coast and 5 to 7 feet with occasional to 9 feet in the gulf stream. Intracoastal waters a moderate chop.
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- 237 Am Est Wed Jan 29 2020
Synopsis..Light northerly winds early this morning will gradually become southerly to southwesterly by this afternoon ahead of a weak weather disturbance progged to move through late this evening through tomorrow morning. Mostly dry conditions are expected through Wednesday afternoon with the chance for showers (and possibly an isolated Thunderstorm) increasing by Wednesday night. Dry conditions return for Thursday, with shower and Thunderstorm chances increasing for Friday night into Saturday.
Gulf stream hazards..None. The approximate location of the west wall of the gulf stream as of jan 28, 2020 at 1200 utc... 5 nautical miles east of fowey rocks. 12 nautical miles east southeast of port everglades. 9 nautical miles east northeast of lake worth. 11 nautical miles east southeast of jupiter inlet. This data courtesy of the naval oceanographic office.


7 Day Forecast for Marine Location Near Palm Beach Shores, FL
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location: 26.77, -80.04     debug


Area Discussion for - Miami-South Florida, FL
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FXUS62 KMFL 291123 AFDMFL

Area Forecast Discussion National Weather Service Miami FL 623 AM EST Wed Jan 29 2020

Aviation. Prevailing VFR is anticipated for the eastern terminals, but areas of low clouds and/or fog are possible, mainly over interior portions of South Florida early this morning. Chances for these to impact the TAF sites appears low, but will monitor for possible changes. Light N winds early this morning before shifting from the E then SE then SW throughout the day today. Additional clouds will move into the area late this afternoon with increasing shower chances during the overnight hours from west to east. VFR and dry conditions prevail across all terminals after 12Z Thursday with NW winds.

Prev Discussion. /issued 257 AM EST Wed Jan 29 2020/

Short Term .

Today through Tonight .

Weak troughing just offshore the east coast is sparking early morning showers across the Atlantic waters. These are widely isolated and shallow in nature and are capped by a stable 800mb- 750mb layer. High pressure across the SE CONUS will drift eastward over the course of the day while a low pressure in the northern GOMEX continues its voyage ESE and towards the FL peninsula today. This weather pattern will allow for the wind regime over South FL to go from a northerly flow early this morning to a southerly/southwesterly flow by this afternoon. With an easterly component intertwined with the wind shift today, kept chance of PoPs across the east coast and the Atlantic waters through this afternoon.

The aforementioned approaching low pressure will drag a cold front across the region overnight tonight into early tomorrow morning. With this system comes the increase in PoPs areawide with numerous coverage over the Gulf waters and west coast and scattered coverage elsewhere. Introduced a chance of thunder solely in the Gulf waters as instability looks greatest there, but kept at only 15 percent. The rest of the CWA should just see shower activity. Once the system finally pushes offshore, rain chances will be taken with it, ending from west to east by Thursday morning.

One thing to keep in mind is that there is a nonzero chance that a few of these showers overnight could produce some gusty winds over South Florida, especially over the western areas, as the far southern periphery of a mid-upper level jet stretches over the far northern portions of the CWA, including the Lake Okeechobee region. The jet doesn't look too impressive in nature but it does carry winds of about 30 to 60 knots. Forecast soundings, again moreso for the west coast, do have 30 to 40 knot winds in the 850-700mb layer so this in combination with the jet could allow for these stronger winds to mix down and produce isolated strong wind gusts.

Temperatures today are forecast to climb into the mid to upper 70s with near 80 in the southern portions of the Everglades. Overnight lows in the low to mid 60s across the east coast with mid to upper 50s elsewhere.

Long Term .

Thursday through Tuesday Night .

Some ridging at 500mb behind the cold front. This will bring some quiet weather for Thursday, with the front stalled to the south. There is a 250 mb jet centered over north Florida as well. While this should not significantly affect the weather on Thursday, it will come into play for the end of the week.

By Friday afternoon, a strong 500mb trough is digging south over the Great plains. There is a strong 850mb baroclinic zone stretched east/west over the Gulf of Mexico. As the trough digs south, it begins to interact with the baroclinic zone to cause cyclogenesis at the surface. This new surface low also interacts with the stalled front over the Florida Straits, bringing it northward over South Florida as a warm front. This provides some isentropic lift over South Florida for Friday afternoon, which will allow for showers to spread across the area. The 250 mb jet also lift northward, but has a small branch over the area by early Saturday morning. PWATs increase to almost 2 inches Friday night and early Saturday morning. Also, the low brings a cold front into the area. Tracing the 1000-500mb thickness back, it appear to be Arctic in nature, if not at least from northern Canada. So, the front should bring a chilly air mass to South Florida.

With such a temperature gradient, the cold front should be fairly vigorous, and bring rain showers through Friday night. The interaction of the small branch of the jet, the moisture, and the instability ahead of the front, may allow for a few thunderstorms to develop. Currently, the forecast has the best chances offshore, over the Atlantic waters, but still keeps a slight chance over the Atlantic metro areas of Broward and Miami Dade counties, mainly between 06z and 12z Saturday.

The actual frontal passage should occur through the day on Saturday, which keeps a chance to likely showers in the forecast for the day on Saturday for the entire area. The front is currently forecast to exit the Atlantic coast before 00z Sunday. But some shower activity may linger behind the front, keeping a mention in the forecast for the far southern portion of the area through the evening hours.

Behind the front, high pressure builds in for the remainder of the forecast period. Low temperatures Sunday should be around 10F cooler than Saturdays lows. The highs on Sunday are forecast to be around 70 across the area with dew points in the 40s to around 50, and the wind out of the north between 5 and 10 kts, making for an excellent day for outdoor activities, especially in northern Miami Dade County.

The cool temperatures are forecast to continue through Sunday night, with lows Monday morning in the mid 40s for a good portion of the interior, to low 50s along the Gulf Coast and mid 50s for the Atlantic coast. After Monday morning, a warming trend begins.

Marine . Northerly winds this morning will gradually shift from the south/southwest by this afternoon. Wind speeds increase late tonight into early tomorrow morning with Small Craft exercising caution across portions of the Atlantic waters. Winds could increase enough to warrant a Small Craft Advisory during this time frame for the outer Atlantic waters offshore Palm Beach County so this will need to be watched as the day progresses.

The northeast swells will continue to slowly decrease and retreat northward over the Atlantic waters today. This will keep seas at 2 feet or less in the Atlantic and Gulf waters, except around 3 feet in the Atlantic waters off Palm Beach County. Seas increase to 3 to 4 feet Thursday morning before briefly decreasing Friday afternoon. Seas are forecast to build once again across the local waters Sunday morning in the wake of a low pressure system. Seas building up to 6 feet in the Gulf and up to 9 feet in the Gulf Stream.

Beach Forecast . The threat of rip currents will continue to decrease today as previous days swells retreat northward. With that in mind, a moderate risk for rip currents will prevail across the Palm Beaches today with a low risk of rip currents for the remainder of the Atlantic and Gulf beaches of South Florida.

Preliminary Point Temps/PoPs. West Palm Beach 78 61 76 62 / 20 30 0 10 Fort Lauderdale 78 64 78 65 / 20 40 0 0 Miami 79 64 78 63 / 20 40 10 0 Naples 74 61 75 59 / 10 60 0 0

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

Marine . 03/Fell Aviation . 03/Fell Beach Forecast . 03/Fell Short Term . 03/Fell Long Term . 13


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
LKWF1 - 8722670 - Lake Worth, FL 11 mi53 min 72°F 76°F1012.3 hPa (-0.0)
PEGF1 47 mi59 min 63°F 1012.8 hPa
SPGF1 - Settlement Point, GBI 56 mi53 min ENE 11 G 12 69°F 1014 hPa (-0.0)

Wind History for Lake Worth Pier, FL
(wind in knots)    EDIT      (on/off)   Help
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
West Palm Beach - Palm Beach International Airport, FL8 mi60 minWSW 310.00 miMostly Cloudy63°F59°F87%1013.5 hPa

Link to 5 minute data for KPBI

Wind History from PBI (wind in knots)
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1 day agoCalmS6S6CalmW7W3SW6SW8W8SW8SW7SW6SW4SW4SW3SW3W3SW4SW4W5W5W3CalmNW5
2 days agoNW7NW5NW7NW4NW7NW7N4N5N6N7NE9NE6N4N5N7NW5CalmNW7N3NW6CalmCalmNW3NW8

Tide / Current Tables for Port of Palm Beach, Lake Worth, Florida
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.


Tide / Current Tables for Donald Ross Bridge, ICWW, Loxahatchee River, Florida
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Donald Ross Bridge
Click for Map
Wed -- 05:45 AM EST     0.01 feet Low Tide
Wed -- 07:07 AM EST     Sunrise
Wed -- 10:09 AM EST     Moonrise
Wed -- 11:48 AM EST     2.13 feet High Tide
Wed -- 05:59 PM EST     Sunset
Wed -- 06:13 PM EST     0.05 feet Low Tide
Wed -- 10:17 PM EST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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21.81.30.80.40.100.20.71.21.722.121.61.10.60.20.10.10.40.91.41.8

Weather Map
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wmap_A
GEOS Local Image of Southeast    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 (6,6,7,8)
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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.