Wednesday, January23, 2019 L-36.com


Marine Weather and Tides
Miami, 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 7:06AMSunset 5:58PM Wednesday January 23, 2019 4:00 AM EST (09:00 UTC) Moonrise 8:57PMMoonset 9:13AM Illumination 94% Phase: Waning Gibbous; Moon at 17 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- 952 Pm Est Tue Jan 22 2019
.small craft advisory in effect through Thursday afternoon...
Rest of tonight..East southeast winds around 25 knots with occasional gusts to around 35 knots. Seas 6 to 8 feet with occasional seas to 10 feet. Period 6 seconds. Intracoastal waters rough in exposed areas. A slight chance of light showers.
Wednesday..Southeast winds 15 to 25 knots. Seas 6 to 8 feet with occasional seas to 10 feet subsiding to 4 to 6 feet with occasional seas to 8 feet in the afternoon. Period 7 seconds. Intracoastal waters rough in exposed areas.
Wednesday night..South southeast winds 15 to 25 knots. Seas 5 to 7 feet with occasional seas to 9 feet. Period 6 seconds. Intracoastal waters a moderate chop. A slight chance of showers in the evening...then a chance of showers and a slight chance of Thunderstorms after midnight.
Thursday..Southwest winds 15 to 20 knots along the coast to south southwest 15 to 25 knots in the gulf stream. Seas 4 to 6 feet with occasional seas to 8 feet subsiding to 2 to 4 feet with occasional seas to 5 feet in the afternoon. Period 6 seconds. Intracoastal waters a moderate chop. Showers likely and a slight chance of Thunderstorms.
Thursday night..Northwest winds 10 to 15 knots. Seas around 2 feet along the coast and 2 to 4 feet with occasional to 5 feet in the gulf stream. Intracoastal waters a light chop. Showers likely in the evening. A slight chance of Thunderstorms through the night. A chance of showers after midnight.
Friday..North winds 10 to 15 knots. Seas 2 to 3 feet along the coast and 3 to 5 feet with occasional to 6 feet in the gulf stream. Intracoastal waters a light chop. A chance of showers.
Friday night and Saturday..Northeast winds around 15 knots. Seas 2 to 3 feet along the coast and 4 to 6 feet with occasional to 8 feet in the gulf stream. Intracoastal waters a moderate chop. A slight chance of showers.
Saturday night and Sunday..Northeast winds 10 to 15 knots. Seas 2 to 3 feet along the coast and 3 to 5 feet with occasional to 6 feet in the gulf stream. Intracoastal waters a moderate chop. A 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- 952 Pm Est Tue Jan 22 2019
Synopsis..Strong and gusty east to southeast winds will continue to bring hazardous boating conditions over the local marine areas through the early morning hours. Conditions will improve across the gulf and lake okeechobee during the day on Wednesday, however hazardous winds and seas will persist across the atlantic until late in the day. Showers and storms are expected across the region late Wednesday night into Thursday as a cold front moves through the region. Winds will shift northerly behind the front late week.
Gulf stream hazards..East-southeast winds 20 to 25 knots with occasional gusts to gale force. Seas 8 to 9 feet. The approximate location of the west wall of the gulf stream is currently unavailable.


7 Day Forecast for Marine Location Near Miami city, FL
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location: 25.78, -80.19     debug


Area Discussion for - Miami-South Florida, FL
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Fxus62 kmfl 230611
afdmfl
area forecast discussion
national weather service miami fl
111 am est Wed jan 23 2019

Aviation
A tight pressure gradient across the area continues to bring
breezy conditions to south florida. This will continue until a
cold front moves through on Thursday. There are a few -shra along
the atlantic coast, but on sprinkles for the most part, so left
out of the tafs for now. Chances of rain should increase sometime
tomorrow night as the front begins to approach the area. A few ts
are also possible by Thursday morning.

Prev discussion issued 740 pm est Tue jan 22 2019
update...

a few, very brief showers, were observed on radar early this
evening, streaming across the miami metro areas moving onshore
from the atlantic. No significant rain is expected from any of
these showers, or through the rest of tonight.

Breezy periods, with gusts over 20 mph at times, will gradually
subside this evening and into the early morning hours on Wednesday
as pressure gradients across the region begin to relax. This is
due to a retreating strong high pressure system across much of the
eastern seaboard.

No significant changes to the inherited forecast are anticipated
for the evening update.

Prev discussion... Issued 346 pm est Tue jan 22 2019
discussion...

an area of high pressure will continue to dominate the weather
pattern across south florida tonight as it continues to move off
to the east. This will allow for an east to southeasterly wind
flow to continue tonight as well. Breezy conditions will occur
along the east coast as the pressure gradient remains strong. A
shower or two cannot be ruled out along the east coast through
tonight. Low temperatures will range from the upper 50s across the
northwestern interior sections to the upper 60s across the east
coast metro areas. Wednesday will remain mainly dry, however there
will be a slight chance of showers along the east coast as a
breezy east to southeasterly flow continues. High temperatures
will range from the upper 70s across the east coast metro areas to
the lower 80s across the interior.

Another cold front will move through the region on Thursday and
there is a chance of showers and a slight chance of thunderstorms
out ahead of the front during the day. There still remains some
differences in timing between the GFS and the ecmwf. The ecmwf
continues to move the front through slower then the gfs. There is
also some model consensus with the frontal system stalling out
just to the south and east of the region. In any event some cooler
air should move into the region for the end of the week. 40s are
possible across the northwestern interior to the mid 50s across
the east coast metro areas. This will have to be monitored over
the rest of the week in case colder temperatures move into the
region.

Uncertainty with the pattern begins to increase as guidance is
producing some different possibilities late in the forecast period.

A mid level trough will swing across the gulf of mexico on Sunday
which will bring some unsettled weather to the region. Some
guidance members show the development of a stronger surface
feature over florida while some other members keep the feature
more aloft in character. The forecast trend will need to be
monitored as climatologically, we are in the midst of the winter
severe weather season which can quickly come to life with
disturbances moving along a southern branch of the jetstream.

Marine...

east to southeasterly flow will continue across the atlantic
waters tonight and Wednesday. Small craft advisory conditions
across the atlantic will persist through Thursday. The small craft
advisory conditions will continue in the gulf through early
Wednesday morning. A cold front will move through the local waters
on Thursday and it will increase the chances of showers and
thunderstorms during this time frame. Behind the front the winds
will shift towards a more northerly direction by the end of the
week.

Beach forecast...

a strong easterly flow will allow for a high risk of rip currents
along the atlantic beaches through a good portion of the week. The
rip current statement will last through Wednesday evening and it
will most likely needed to be extended through Thursday if the
current forecast trends continue.

Fire weather...

dispersion index values will be in the good to excellent range
over the next several days. Currently, relative humidity values
appear to remain above critical thresholds through the weekend.

Preliminary point temps pops
West palm beach 78 68 79 51 20 40 70 40
fort lauderdale 79 71 80 56 10 40 70 50
miami 79 70 80 55 10 40 70 50
naples 79 66 75 50 10 30 80 20

Mfl watches warnings advisories
Fl... High rip current risk through this evening for flz168-172-173.

Am... Small craft advisory until 7 am est this morning for amz610-630.

Small craft advisory until 4 pm est Thursday for amz650-651-670-
671.

Gm... Small craft advisory until 7 am est this morning for gmz676.

Aviation... 13


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
VAKF1 - 8723214 - Virginia Key, FL 4 mi43 min E 19 G 25 71°F 71°F1023.2 hPa
FWYF1 - Fowey Rocks, FL 14 mi61 min E 28 G 32 71°F 73°F1023.8 hPa (-1.5)
PEGF1 22 mi49 min E 8 G 21 72°F 1023.7 hPa
PVGF1 - Port Everglades Channel, FL 22 mi61 min ESE 8.9 G 18 72°F 1024 hPa (-1.4)59°F
LSNF1 - Long Sound, FL 40 mi61 min 67°F
TRRF1 - Taylor River, FL 46 mi61 min 73°F
BDVF1 - Broad River, FL 47 mi61 min 66°F
CANF1 - Cane Patch, FL 47 mi61 min 66°F
WIWF1 - Willy Willy, FL 47 mi61 min 66°F
LMDF1 - Little Madeira, FL 48 mi61 min 66°F
NRRF1 49 mi61 min 67°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 mi68 minE 1710.00 miPartly Cloudy70°F59°F68%1023.6 hPa
Miami, Opa Locka Airport, FL10 mi68 minESE 14 G 2210.00 miPartly Cloudy71°F55°F59%1024 hPa
Hollywood, North Perry Airport, FL15 mi68 minESE 16 G 2410.00 miPartly Cloudy71°F55°F57%1024.2 hPa
Miami, Kendall-Tamiami Executive Airport, FL16 mi68 minESE 15 G 2210.00 miA Few Clouds70°F59°F68%1023.4 hPa
Fort Lauderdale/Hollywood International Airport, FL20 mi68 minESE 1910.00 miMostly Cloudy and Breezy71°F57°F61%1023.5 hPa
Homestead Air Reserve Base, FL23 mi65 minE 16 G 2110.00 miA Few Clouds70°F60°F71%1023.3 hPa

Wind History from MIA (wind in knots)
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Last 24hrE10E9E11E12E13E15E17
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1 day agoNW7N8
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N6NW5N5N534N344NE12
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2 days agoS8S10S11S9W15
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G19

Tide / Current Tables for Miami, Marina, Biscayne Bay, 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 Miami Harbor Entrance, Florida Current
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Miami Harbor Entrance
Click for Map
Wed -- 02:05 AM EST     -2.05 knots Max Ebb
Wed -- 05:05 AM EST     0.00 knots Slack
Wed -- 07:07 AM EST     Sunrise
Wed -- 08:04 AM EST     2.57 knots Max Flood
Wed -- 09:12 AM EST     Moonset
Wed -- 11:25 AM EST     -0.01 knots Slack
Wed -- 02:46 PM EST     -1.99 knots Max Ebb
Wed -- 05:35 PM EST     0.00 knots Slack
Wed -- 05:57 PM EST     Sunset
Wed -- 08:35 PM EST     2.34 knots Max Flood
Wed -- 08:57 PM EST     Moonrise
Wed -- 11:44 PM EST     -0.01 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-1.3-1.9-2-1.9-1.4-0.21.42.42.62.51.90.6-0.7-1.6-1.9-2-1.7-0.80.61.92.32.321

Weather Map and Satellite Images
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wmap_A
GOES 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.
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Wind Forecast for Miami-South Florida, FL (4,6,7,8)
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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.