Tuesday, December18, 2018 L-36.com


Marine Weather and Tides
North Bay Village, FL

Version 3.4
What's New / NOTES
10/6/2018 Colors of tide XTide graphs changed to emphasize that they were upgraded. See next note. Comments welcome.
10/4/2018 I have fixed XTide and updated the harmonic files. There were some name changes so you might have to click EDIT to find the new station name.

Sunrise 7:00AMSunset 5:34PM Tuesday December 18, 2018 5:37 AM EST (10:37 UTC) Moonrise 2:35PMMoonset 2:39AM Illumination 83% Phase: Waxing Gibbous; Moon at 11 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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AMZ651 Coastal Waters From Deerfield Beach To Ocean Reef Fl Out 20 Nm- Waters From Deerfield Beach To Ocean Reef Fl From 20 To 60 Nm Excluding The Territorial Waters Of Bahamas- 358 Am Est Tue Dec 18 2018
Today..North northeast winds 5 to 10 knots. Seas 2 to 3 feet. Period 6 seconds. Intracoastal waters a light chop.
Tonight..East winds 5 to 10 knots. Seas around 2 feet. Period 5 seconds. Intracoastal waters a light chop.
Wednesday..Southeast winds 5 to 10 knots. Seas around 2 feet. Period 5 seconds. Intracoastal waters a light chop.
Wednesday night..Southeast winds 15 to 20 knots. Seas 2 to 3 feet. Period 4 seconds. Intracoastal waters choppy in exposed areas. A slight chance of Thunderstorms in the evening. A chance of showers through the night. A chance of Thunderstorms after midnight.
Thursday..South southwest winds 20 to 25 knots with gusts to around 35 knots. Seas 4 to 6 feet with occasional seas to 8 feet. Intracoastal waters a moderate chop. A chance of showers and Thunderstorms in the morning...then showers and Thunderstorms likely in the afternoon.
Thursday night..West southwest winds 20 to 25 knots along the coast to southwest 25 to 30 knots in the gulf stream. Seas 3 to 5 feet with occasional seas to 6 feet along the coast and 6 to 8 feet with occasional to 10 feet in the gulf stream. Intracoastal waters rough in exposed areas. Showers and a chance of Thunderstorms.
Friday..West winds 20 to 30 knots along the coast to west 25 to 30 knots in the gulf stream. Along the coast, seas 2 to 4 feet with occasional seas to 5 feet. In the gulf stream, seas 7 to 9 feet with occasional seas to 11 feet building to 9 to 11 feet with occasional seas to 14 feet in the afternoon. Southwest swell 4 feet in the afternoon. Intracoastal waters rough in exposed areas. A chance of showers.
Friday night..West northwest winds 15 to 25 knots along the coast to west northwest 20 to 30 knots in the gulf stream. Along the coast, seas 2 to 4 feet with occasional seas to 5 feet. In the gulf stream, seas 9 to 11 feet with occasional seas to 14 feet subsiding to 7 to 9 feet with occasional seas to 11 feet after midnight. Southwest swell 3 to 4 feet becoming 3 feet after midnight. Intracoastal waters rough in exposed areas. A slight chance of showers.
Saturday..Northwest winds 15 to 20 knots becoming north northwest around 10 knots in the evening. 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- 358 Am Est Tue Dec 18 2018
Synopsis..Benign boating conditions will be in place through Wednesday. Boating conditions will deteriorate Wednesday night as a strong system moving through the southeastern us late week brings increasing winds and seas Thursday and Friday, with conditions likely lingering into the upcoming weekend. Gale conditions will be possible during this time frame across all the local waters, with seas potentially reaching in excess of 15 feet in the offshore gulf and 9 to 12 feet in the offshore atlantic.
Gulf stream hazards..None. The approximate location of the west wall of the gulf stream as of dec 18, 2018 at 1200 utc... 7 nautical miles east northeast of fowey rocks. 9 nautical miles east northeast of port everglades. 5 nautical miles east northeast of lake worth. 11 nautical miles east northeast of jupiter inlet. This data courtesy of the naval oceanographic office.


7 Day Forecast for Marine Location Near North Bay Village, FL
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location: 25.85, -80.17     debug


Area Discussion for - Miami-South Florida, FL
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Fxus62 kmfl 180845
afdmfl
area forecast discussion
national weather service miami fl
345 am est Tue dec 18 2018

Discussion
Today and tonight: another great late fall early winter day across
south florida and the last full day of quiet weather before midweek.

High pressure sliding east across the oh valley into the mid-
atlantic will gradually veer our winds to the northeast, allowing
temperatures to warm closer to normal in the mid to upper 70s.

Overnight lows will remain cool, in the 50s over the interior gulf
coast and low to mid 60s for the atlantic metro.

Wednesday and Thursday: ingredients are coming together for a stormy
and unsettled midweek as a major system takes shape across the
southeastern us.

Southern stream upper level shortwave currently moving through the
sw us will phase with it's northern companion on Wednesday, forming
a deep, full latitude trough as it digs across the central and
eastern us. Similar to last week, a strong upper level low is
expected to form at the base across the north central gulf coast,
leading to a robust surface low that lifts across the southeastern
us mid to late week.

Expect two parts to this event:
*Wednesday*
initial weak disturbance rotating around the main trough
lifts northeast out of the gulf across the peninsula Wednesday
afternoon, bringing the old frontal boundary back north as a warm
front Wednesday night. This feature will serve to moisten the
atmosphere, with dewpoints climbing back into the upper 60s and low
70s. This will help provide better, though still not robust,
instability across the region, something that was missing with the
previous two systems.

Expect steadily increasing rain chances on Wednesday, with enough
instability for at least isolated storms, especially overnight
Wednesday. The initially northward movement of the boundary may also
bring a more favorable environment for isolated tornado development
as we see a strengthening low level wind field and increasing low
level helicities for most of south florida.

*Thursday*
upper level low base of the trough is expected to
continue to dig southwards across the gulf through the day on
Thursday before lifting northeastward Friday morning. This is
another difference between our past two fronts as the further
southward progress will give more time for the best dynamics to
phase with the best instability as well as placing them further
south.

Model consistency is good in showing the low level wind field
strengthening to 40-55kts, suggesting the threat for damaging winds
along with an isolated tornado concern on Thursday as what will
likely be a strong pre-frontal squall line moves through the state.

It is still a little far out for exact timing, but models are
leaning towards the best rain chances being towards the afternoon
and into the overnight period. Currently all of south florida is
in a slight risk for severe weather for Thursday.

Heavy rainfall will also be a concern, with rainfall amounts
potentially in excess of two inches during the day on Thursday,
highest along the gulf coast. Most of south florida, excluding the
atlantic metro areas, is currently under a marginal risk for flash
flooding during this timeframe.

Any heavy rain will be aggravated by higher water levels, with the
potential for at least minor extratropical surge along the gulf
coast Thursday and Friday.

Ahead of any squall line, it will be a very windy day, with the
potential for wind advisory criteria to be met across the region.

Friday: main frontal boundary is expected to cross the region during
the day on Friday, though without the instability, the storm threat
will be very limited. With the strong wind field still in place,
gusty and quick moving showers are expected through much of the day.

It will take the passage of the main trough itself, and a secondary
boundary to clear out the region late Friday night.

Next weekend: behind the system, expect more cool and dry air to be
in place for the upcoming weekend as high pressure builds across the
state. Highs may struggle to get into the 70s for the weekend, with
chilly overnight lows in the 40s and 50s.

Marine
Benign boating conditions will be in place through Wednesday, with
light to moderate north winds becoming east-northeast later today
and southeasterly on Wednesday. A warm front will lift through the
region Wednesday night, bringing increasing showers and storms along
with strengthening south-southeasterly flow of 15-20kts.

A strong system moving through the southeastern us Thursday and
Friday will bring hazardous boating conditions both days, likely
lingering into the upcoming weekend. There will be the potential for
gale force winds during the timeframe across all the local waters,
with seas reaching in excess of 15 feet in the offshore gulf and 9-
12ft in the offshore atlantic.

Aviation
High pressure is forecast to maintainVFR conditions with no
significant aviation concerns through the TAF period.

Preliminary point temps pops
West palm beach 73 61 76 68 0 10 10 50
fort lauderdale 74 64 76 71 0 10 10 50
miami 75 64 76 70 0 10 10 40
naples 72 57 75 65 0 0 20 50

Mfl watches warnings advisories
Fl... None.

Am... None.

Gm... None.

Discussion... 88 alm
marine... 88 alm
aviation... 13


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
VAKF1 - 8723214 - Virginia Key, FL 8 mi43 min NW 7 G 8.9 60°F 71°F1017.9 hPa
PEGF1 17 mi43 min WNW 7 G 8 57°F 1018.4 hPa
PVGF1 - Port Everglades Channel, FL 17 mi37 min NW 8 G 11 59°F 1018.2 hPa (-0.0)53°F
FWYF1 - Fowey Rocks, FL 18 mi37 min NNW 15 G 17 62°F 76°F1018.9 hPa (-0.0)
MDKF1 41 mi157 min 71°F
HCEF1 - Highway Creek, FL 44 mi157 min 71°F
LSNF1 - Long Sound, FL 45 mi97 min 71°F
LBSF1 - Little Blackwater, FL 46 mi157 min 70°F
THRF1 46 mi157 min 70°F
TCVF1 - Trout Cove, FL 48 mi157 min 69°F
DKKF1 - Duck Key, FL 49 mi157 min 70°F
BWSF1 - Blackwater Sound, FL 49 mi157 min 71°F

Wind History for Virginia Key, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Miami, Miami International Airport, FL6 mi44 minNNW 310.00 miA Few Clouds57°F53°F87%1018.5 hPa
Miami, Opa Locka Airport, FL7 mi44 minNNW 610.00 miFair56°F53°F90%1018.9 hPa
Hollywood, North Perry Airport, FL11 mi44 minW 310.00 miFair54°F51°F90%1019.2 hPa
Fort Lauderdale/Hollywood International Airport, FL15 mi44 minNW 410.00 miA Few Clouds55°F54°F96%1018.3 hPa
Miami, Kendall-Tamiami Executive Airport, FL20 mi44 minNNW 610.00 miFair53°F50°F89%1018.4 hPa
Fort Lauderdale, Fort Lauderdale Executive Airport, FL24 mi44 minW 47.00 miFair53°F53°F100%1018.8 hPa

Wind History from MIA (wind in knots)
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Last 24hrNW5NW5NW53W6NW7NW8W7W9
G15
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1 day agoCalmCalmW3NW5NW3NW7NW7NW6W74W4W4NW3SW6W6W65W45NW5NW4NW6N3N6
2 days ago5S6S7S9S11S8S9W6SW8W4CalmW4W6NW6CalmCalmCalmW3W3NW3CalmW3CalmCalm

Tide / Current Tables for Miami, 79th St. Causeway, Florida
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Miami
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Tue -- 12:11 AM EST     0.24 feet Low Tide
Tue -- 02:39 AM EST     Moonset
Tue -- 06:04 AM EST     2.00 feet High Tide
Tue -- 07:01 AM EST     Sunrise
Tue -- 12:40 PM EST     0.43 feet Low Tide
Tue -- 02:34 PM EST     Moonrise
Tue -- 05:33 PM EST     Sunset
Tue -- 06:09 PM EST     1.99 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.20.30.61.11.51.921.91.71.410.70.50.40.611.51.821.91.71.30.90.5

Tide / Current Tables for Miami Harbor Entrance, Florida Current
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Miami Harbor Entrance
Click for Map
Tue -- 02:06 AM EST     1.66 knots Max Flood
Tue -- 02:39 AM EST     Moonset
Tue -- 05:57 AM EST     -0.00 knots Slack
Tue -- 07:01 AM EST     Sunrise
Tue -- 09:19 AM EST     -0.99 knots Max Ebb
Tue -- 12:01 PM EST     0.00 knots Slack
Tue -- 02:21 PM EST     1.48 knots Max Flood
Tue -- 02:34 PM EST     Moonrise
Tue -- 05:33 PM EST     Sunset
Tue -- 06:02 PM EST     -0.00 knots Slack
Tue -- 08:43 PM EST     -1.28 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.51.41.71.61.50.9-0-0.7-0.9-1-1-0.8-00.91.51.41.30.90-0.8-1.2-1.3-1.2-1

Weather Map and Satellite Images
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GOES 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.
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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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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 numerious 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.