Thursday, November22, 2018 L-36.com


Marine Weather and Tides
Esperanza, PR

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 6:32AMSunset 5:45PM Thursday November 22, 2018 7:19 AM AST (11:19 UTC) Moonrise 5:35PMMoonset 5:46AM Illumination 100% Phase: Full Moon; Moon at 14 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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AMZ725 Coastal Waters Of Southern Usvi Vieques And Eastern Puerto Rico Out 10 Nm- 341 Am Ast Thu Nov 22 2018
Today..East winds 10 to 15 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 11 seconds. Isolated showers.
Tonight..East winds 10 to 15 knots. Seas 2 to 4 feet with occasional seas up to 5 feet. Dominant period 11 seconds. Scattered showers.
Friday..East winds 10 to 15 knots. Seas 2 to 4 feet with occasional seas up to 5 feet. Dominant period 11 seconds. Scattered showers.
Friday night..East winds 5 to 10 knots. Seas 2 to 4 feet with occasional seas up to 5 feet. Dominant period 10 seconds. Scattered showers.
Saturday..East winds 10 to 15 knots. Seas 2 to 4 feet with occasional seas up to 5 feet. Dominant period 10 seconds. Southeast swell around 4 feet. Scattered showers.
Sunday..East winds 5 to 10 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 10 seconds. East swell around 4 feet. Isolated showers.
Monday..Northeast winds 5 to 10 knots. Seas 2 to 4 feet with occasional seas up to 5 feet. Dominant period 10 seconds. Scattered showers.
AMZ700 341 Am Ast Thu Nov 22 2018
Synopsis for puerto rico and the uS. Virgin islands waters... A surface high pressure ridge across the north central atlantic and a weak surface trough west of the region will result in a light to moderate trade wind flow across the regional waters through Saturday. Then, seas will slightly increase on Sunday due to a northerly swell with no significant threat to small craft.


7 Day Forecast for Marine Location Near Esperanza, PR
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location: 18.12, -65.46     debug


Area Discussion for - San Juan, PR
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Fxca62 tjsj 220814
afdsju
area forecast discussion
national weather service san juan pr
414 am ast Thu nov 22 2018

Synopsis A generally stable weather pattern will continue
through Saturday as drier than normal airmass dominates the local
area. An increase in low-level moisture is expected late Saturday
night into early next week as a surface low quickly moves
northeastward into the north central atlantic, pulling tropical
moisture over the local area. However, shower activity will be
limited as a mid level ridge moves in from the west and affects
the local weather conditions through the rest of the forecast
period.

Short term Today through Saturday...

mostly fair weather pattern is expected to continue for the next few
days as drier than normal airmass dominates the local area. The
available moisture is for the most part limited to the lower levels
with dry air in the mid levels. There is also a mid and upper level
ridge, which is keeping a stable atmosphere. A broad upper trough
will move north of the local area on Saturday and moisture is also
expected to start increasing late Saturday. This means that the
nighttime and early morning trade wind showers will be isolated and
brief, generally leaving trace amounts of rain to a few hundredths
of an inch of rain in the few areas that do observe rain. Then in
the afternoon, especially this afternoon, some light to moderate
showers could develop across the northwestern quadrant of puerto
rico due to local effects, but the amounts are not expected to cause
hazardous conditions. A brief patch of moisture may pass through the
area on Friday afternoon, which will help in the development of
showers over puerto rico, especially in areas of sea breeze
convergence, while the rest of the local islands may observe little
to no rainfall. Saturday looks mostly dry during the daytime hours,
but moisture will start to increase on Saturday night and will
linger for a few days after that, for more details see below the
long term section.

Long term Sunday through Thursday...

global models suggest that a surface low pressure will build and
locate north of the region, pulling patches of tropical moisture
into the forecast area Sunday through Monday as it moves quickly
to the northeast. Then, a surface high pressure is expected to
build over the bahamas late Monday and drift eastward across the
western atlantic and north of the region through mid week. As a
result, easterly low-level winds will turn from the northeast late
Monday into Tuesday, but will veer to the east southeast on
Wednesday. The low-level moisture that is expected to move across
the local islands during the forecast period will enhance the
potential for shower development. However, a mid level ridge
drifting eastward across the region will limit the coverage and
intensity of this activity.

Aviation Vfr conditions are expected across the local terminals
for the next 24 hours. Afternoon convection may result in vcsh at
tjmz tjbq between 22 18z and 22 22z. Winds will be from the E to ese
with sea breeze variations at 10-15 kt.

Marine Choppy rough marine conditions are expected to continue across
the outer atlantic and caribbean waters, as well as the mona and
anegada passage due to seas up to 6 feet. Therefore, small craft
operators should exercise caution. Elsewhere, seas up to 5 feet
are expected. Easterly winds up to 20 knots will continue across
the regional waters. A high rip current risk remains in effect
until early this morning for the north central coast of puerto
rico. Then, a low to moderate risk will continue at least through
Sunday for beaches of puerto rico and the u.S. Virgin islands.

A series of northerly swell are forecast to affect the regional
atlantic waters and local passages. The first pulse of the
northerly swell will reach our local waters late Saturday night, peaking
on Sunday morning and continuing through Monday morning. A second
pulse will reach the local waters on Wednesday afternoon, peaking
late Wednesday night and continuing until Friday.

Preliminary point temps pops
Sju 87 74 85 73 20 30 30 30
stt 86 76 84 74 30 30 20 20

Sju watches warnings advisories
Pr... None.

Vi... None.

Am... None.

Short term... Ja
long term... .Icp
aviation... ..Ja


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
ESPP4 - 9752695 - Esperanza, PR 2 mi37 min NE 4.1 G 7 75°F 80°F1015.4 hPa
41056 10 mi49 min E 12 G 16 81°F 1014.7 hPa
CLBP4 - 9752235 - Culebra, PR 15 mi31 min 83°F1016.1 hPa
YABP4 - 9754228 - Yabucoa Harbor, PR 20 mi31 min 81°F 72°F
CHAV3 - 9751639 - Charlotte Amalie, VI 32 mi31 min 1016.2 hPa
41052 - South of St. John, Virgin Islands 38 mi49 min E 14 G 16 82°F 1014.3 hPa
LAMV3 41 mi31 min 80°F 81°F
SJNP4 - 9755371 - San Juan, PR 42 mi37 min ESE 4.1 G 5.1 78°F 83°F1016.3 hPa
JOXP4 - Jobos Bay Reserve, Puerto Rico 42 mi94 min Calm 1016 hPa
41053 - San Juan, PR 42 mi49 min SSE 5.8 G 7.8 78°F 1015 hPa
CHSV3 - 9751364 - Christiansted Harbor, Virgin Islands 48 mi37 min ESE 2.9 G 6 78°F 82°F
LTBV3 - 9751401 - Lime Tree Bay, VI 48 mi31 min NE 1.9 G 5.1 79°F 82°F1016.7 hPa

Wind History for Isabel Segunda, Vieques Island, PR
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
San Juan, Luis Munoz Marin International Airport, PR36 mi83 minSSE 410.00 miA Few Clouds75°F69°F83%1015.6 hPa

Wind History from JSJ (wind in knots)
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Last 24hrSE7E8E12E12E14
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E13E13E14E13E13E10SE6E6E6E7E4SE5SE4SE3SE4SE3SE5S4Calm
1 day agoE6E10E10E16NE14E13E13NE13E12E11E7E6E8SE4S4CalmSW3SW3CalmSW3CalmCalmE5SE3
2 days agoCalmE6E16E18E15
G22
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E15E13E6SE4SE4SE5SE5CalmSE3CalmCalmE5E6SE3SE3SE4

Tide / Current Tables for Puerto Ferro, Isla de Vieques, Puerto Rico
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Puerto Ferro
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Thu -- 01:24 AM AST     -0.00 feet Low Tide
Thu -- 05:45 AM AST     Moonset
Thu -- 06:31 AM AST     Sunrise
Thu -- 07:41 AM AST     0.91 feet High Tide
Thu -- 02:00 PM AST     0.69 feet Low Tide
Thu -- 04:53 PM AST     0.81 feet High Tide
Thu -- 05:34 PM AST     Moonrise
Thu -- 05:43 PM AST     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.1000.10.30.60.80.90.90.90.80.80.70.70.70.70.80.80.80.70.60.50.30.2

Tide / Current Tables for Vieques Passage, Puerto Rico Current
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Vieques Passage
Click for Map
Thu -- 12:54 AM AST     -0.00 knots Slack
Thu -- 03:44 AM AST     -0.47 knots Max Ebb
Thu -- 05:46 AM AST     Moonset
Thu -- 06:21 AM AST     0.00 knots Slack
Thu -- 06:32 AM AST     Sunrise
Thu -- 09:56 AM AST     0.82 knots Max Flood
Thu -- 01:11 PM AST     -0.00 knots Slack
Thu -- 04:42 PM AST     -0.93 knots Max Ebb
Thu -- 05:35 PM AST     Moonrise
Thu -- 05:44 PM AST     Sunset
Thu -- 08:30 PM AST     0.00 knots Slack
Thu -- 11:01 PM AST     0.46 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.2-0-0.3-0.4-0.5-0.3-0.10.20.50.70.80.70.50.1-0.3-0.7-0.9-0.9-0.8-0.5-0.20.20.40.5

Weather Map and Satellite Images
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wmap_A
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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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for (6,6,7,8)
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Ground Weather Radar Station Puerto Rico,Virgin Islands
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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.