Tuesday, January22, 2019 L-36.com


Marine Weather and Tides
Coral Gables, 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 Tuesday January 22, 2019 8:00 AM EST (13:00 UTC) Moonrise 7:51PMMoonset 8:24AM Illumination 97% Phase: Waning Gibbous; Moon at 16 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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AMZ630 Biscayne Bay- 345 Am Est Tue Jan 22 2019
.small craft should exercise caution...
Today..East winds around 20 knots. Bay waters choppy.
Tonight..East southeast winds around 20 knots. Bay waters choppy.
Wednesday..Southeast winds 15 to 20 knots. Bay waters choppy. A slight chance of showers in the afternoon.
Wednesday night..South southeast winds 15 to 20 knots. Bay waters choppy. A slight chance of Thunderstorms in the evening. A chance of showers through the night. A chance of Thunderstorms after midnight.
Thursday..Southwest winds 10 to 15 knots. Bay waters a moderate chop. Showers likely and a chance of Thunderstorms.
Thursday night..North northwest winds 5 to 10 knots. Bay waters a light chop. A chance of showers and a slight chance of Thunderstorms.
Friday and Friday night..North winds around 10 knots. Bay waters a light chop. A chance of showers.
Saturday..North northeast winds around 10 knots becoming east in the afternoon. Bay waters a light 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- 345 Am Est Tue Jan 22 2019
Synopsis.. Building high pressure to the north is forecast to bring increasing wind out of the east today. The wind across the atlantic waters is forecast between 20 and 25 kts, with seas building to 7 to 9 feet in the gulf stream, especially off the palm beach coast by late this afternoon. A fresh to strong breeze to forecast to continue through most of the week, turning to the southeast Wednesday and to the south by Thursday morning. A cold front is forecast to move through the area on Thursday, bringing a high chance of showers and possibly some Thunderstorms. There is a small craft advisory in effect for the atlantic waters from this morning, through Thursday afternoon, as marine conditions will be hazardous for small craft. Conditions may also become hazardous for small craft on the remaining waters of south florida, where small craft should exercise caution.
Gulf stream hazards..An east wind of 20 to 25 kts with gusts to 30 kts possible, with seas building to 7 to 9 feet through Thursday. The approximate location of the west wall of the gulf stream is currently unavailable.


7 Day Forecast for Marine Location Near Coral Gables, FL
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location: 25.67, -80.21     debug


Area Discussion for - Miami-South Florida, FL
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Fxus62 kmfl 221112
afdmfl
area forecast discussion
national weather service miami fl
612 am est Tue jan 22 2019

Aviation
The main concern is high pressure building to the north is
forecast to increase the pressure gradient across the area. This
will result in an increase in the wind out of the east today to
around 15 kts. There is the possibility of some periodic gusts to
around 25 kts. The wind is forecast to persist through the
overnight hours tonight, possibly strengthening slightly along
the atlantic coast. Otherwise,VFR conditions are forecast through
the period.

Prev discussion issued 213 am est Tue jan 22 2019
discussion...

surface high pressure centered south of the great lakes will
continue to move eastward through mid-week as the next low pressure
system emerges over the central united states by late Tuesday early
Wednesday. The flow will eventually shift from a northerly component
to an easterly one over the next 24 hours. With this flow change,
the airmass will moderate with a warming trend expected over the
next few days. There could also be enough moisture, particularly
over the atlantic waters, to support some shower activity.

The next cold front will arrive Thursday with the potential for
showers and thunderstorms. Timing of the front is still a source of
uncertainty as the ECMWF with a bit slower than the GFS with frontal
passage. There is some consensus between guidance packages with the
front stalling to the south and east of south florida for the
weekend. Surface high pressure will build in with some cooler air
behind the front. 40s and 50s for overnight lows are expected but
the forecast evolution will have to be monitored in case colder
temperatures emerge into the picture.

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...

developing easterly flow will pick up allowing advisory conditions
to develop over the atlantic waters today. Advisory conditions
over the atlantic waters will likely persist into Thursday. Small
craft advisory will be extended in time accordingly.

Beach forecast...

building easterly flow will allow for a high risk of rip currents
along the atlantic beaches to persist through a good portion of
the week. The rip current statement has been extended through at
least Wednesday evening and will likely need to be extended
through Thursday if the current forecast holds.

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 well above critical thresholds through the
weekend.

Preliminary point temps pops
West palm beach 73 64 78 68 10 10 20 30
fort lauderdale 73 67 78 71 10 10 20 30
miami 74 67 78 71 10 10 20 30
naples 76 62 79 66 10 10 10 30

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

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

Gm... None.

Discussion... 02 rag
marine... 02 rag
aviation... 13
beach forecast... 02 rag
fire weather... 02 rag


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
VAKF1 - 8723214 - Virginia Key, FL 5 mi30 min ENE 13 G 18 71°F 70°F1025.5 hPa
FWYF1 - Fowey Rocks, FL 8 mi60 min E 20 G 23 71°F 73°F1026.1 hPa (+1.1)
PEGF1 29 mi30 min E 21 G 27 71°F 1026 hPa
PVGF1 - Port Everglades Channel, FL 30 mi48 min E 13 G 17 71°F 1025.9 hPa55°F
LSNF1 - Long Sound, FL 33 mi60 min 66°F
TRRF1 - Taylor River, FL 39 mi60 min 73°F
LMDF1 - Little Madeira, FL 41 mi60 min 65°F
CANF1 - Cane Patch, FL 42 mi60 min 64°F
BDVF1 - Broad River, FL 43 mi60 min 67°F
BNKF1 - Butternut Key, FL 43 mi60 min 65°F
NRRF1 44 mi60 min 65°F
LRIF1 45 mi60 min 64°F
TBYF1 45 mi60 min 63°F
WIWF1 - Willy Willy, FL 45 mi60 min 63°F
MLRF1 - Molasses Reef, FL 46 mi60 min E 21 G 24 71°F 74°F1024.7 hPa (+1.1)
GBTF1 - Garfield Bight, FL 47 mi60 min 61°F
HREF1 48 mi60 min 64°F
GBIF1 - Gunboat Island, FL 48 mi60 min 64°F
WWEF1 49 mi120 min 64°F

Wind History for Virginia Key, FL
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Miami, Miami International Airport, FL11 mi67 minE 1210.00 miPartly Cloudy68°F55°F63%1025.6 hPa
Miami, Kendall-Tamiami Executive Airport, FL12 mi67 minE 1010.00 miFair65°F54°F68%1025.2 hPa
Homestead Air Reserve Base, FL16 mi64 minENE 910.00 miPartly Cloudy68°F56°F66%1025.4 hPa
Miami, Opa Locka Airport, FL17 mi67 minE 11 G 1910.00 miPartly Cloudy69°F53°F57%1025.9 hPa
Hollywood, North Perry Airport, FL23 mi67 minE 11 G 1910.00 miMostly Cloudy70°F52°F53%1026.1 hPa

Wind History from MIA (wind in knots)
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Last 24hrN5N534N344NE12
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N764N3NW6N4N6E10
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1 day agoW15
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2 days agoCalmCalmSE12SE12
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Tide / Current Tables for Key Biscayne Yacht Club, Biscayne Bay, Florida
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Key Biscayne Yacht Club
Click for Map
Tue -- 04:12 AM EST     -0.67 feet Low Tide
Tue -- 07:07 AM EST     Sunrise
Tue -- 08:23 AM EST     Moonset
Tue -- 10:06 AM EST     2.44 feet High Tide
Tue -- 04:44 PM EST     -0.39 feet Low Tide
Tue -- 05:56 PM EST     Sunset
Tue -- 07:50 PM EST     Moonrise
Tue -- 10:21 PM EST     2.32 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.40.70.1-0.4-0.7-0.5-00.81.62.22.42.31.91.30.60.1-0.3-0.4-0.10.61.31.92.32.3

Tide / Current Tables for Miami Harbor Entrance, Florida Current
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Miami Harbor Entrance
Click for Map
Tue -- 01:16 AM EST     -2.04 knots Max Ebb
Tue -- 04:15 AM EST     0.00 knots Slack
Tue -- 07:07 AM EST     Sunrise
Tue -- 07:14 AM EST     2.63 knots Max Flood
Tue -- 08:23 AM EST     Moonset
Tue -- 10:38 AM EST     -0.01 knots Slack
Tue -- 01:57 PM EST     -1.96 knots Max Ebb
Tue -- 04:46 PM EST     0.01 knots Slack
Tue -- 05:56 PM EST     Sunset
Tue -- 07:31 PM EST     2.34 knots Max Flood
Tue -- 07:50 PM EST     Moonrise
Tue -- 10:51 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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-1.8-2-2-1.5-0.41.22.32.62.620.9-0.5-1.4-1.8-2-1.8-10.41.72.32.321.2-0.2

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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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Miami-South Florida, FL (8,2,3,4)
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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.