Monday, September25, 2017 L-36.com


Marine Weather and Tides
Central Aguirre, PR

Version 3.4
What's New / NOTES
6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported.
5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive.
5/19/2016 - There were issues with the 3 day airport observation history. I switched to another data source. Let me know if you see any issues with the data feeds.

Sunrise 5:28AMSunset 5:35PM Monday September 25, 2017 12:55 PM CST (18:55 UTC) Moonrise 10:22AMMoonset 10:47PM Illumination 26% Phase: Waxing Crescent; Moon at 5 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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AMZ712 Coastal Waters Of Northern Puerto Rico Out 10 Nm- 1022 Am Ast Mon Sep 25 2017
Rest of today..East winds 5 to 10 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 11 seconds. Northwest swell around 4 feet. Scattered showers and isolated Thunderstorms.
Tonight..Southeast winds 5 to 10 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. Dominant period 12 seconds. Northwest swell 4 to 5 feet. Scattered Thunderstorms.
Tuesday..East winds 10 to 15 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. Dominant period 12 seconds. Northwest swell 4 to 5 feet. Scattered showers and isolated Thunderstorms.
Tuesday night..East winds 10 to 15 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 11 seconds. Northwest swell around 4 feet. Isolated Thunderstorms in the evening, then isolated showers after midnight.
Wednesday..East winds 10 to 15 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 12 seconds. Northwest swell around 4 feet. Isolated showers, then isolated Thunderstorms.
Thursday..East winds 10 to 15 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 12 seconds. Northeast swell 4 to 5 feet. Scattered showers and isolated Thunderstorms.
Friday..East winds 10 to 15 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 11 seconds. Northeast swell around 4 feet. Scattered showers and isolated Thunderstorms.
AMZ700 1022 Am Ast Mon Sep 25 2017
Synopsis for puerto rico and the uS. Virgin islands waters... Southeast to east winds will continue the next several days with a tropical wave approaching from the east. Rain chances will increase today and Tuesday across the region with locally heavy downpours and reduced visibilities possible. More seasonable easterly winds will push into the coastal waters by late Tuesday.

7 Day Forecast for Marine Location Near Naranjito, PR
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location: 18.31, -66.18     debug


Area Discussion for - San Juan, PR
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Fxca62 tjsj 251809
afdsju
area forecast discussion
national weather service san juan pr
issued by national weather service miami fl
209 pm ast Mon sep 25 2017

Aviation Convection is ongoing in western interior puerto rico
this afternoon with additional shower or thunderstorm activity
possible through this evening.VFR conditions will likely prevail
the next 24 hours outside of any convection. As a tropical wave
continues to move westward across the region, additional
precipitation will be possible on Tuesday.

Prev discussion... Issued issued by national weather service miami fl
short term...

deep tropical moisture remains in place across the region with
southeast wind flow. Precipitable water values will remain over 2
inches today. A weak tropical wave will move over the islands today
through the afternoon on Tuesday increasing the rain chances.

Heat index values will be near 100 for the next few days, bringing
hot and sticky weather to the area. This will make recovery
efforts difficult and overall living unpleasant as electricity
remains out across the island.

Long term...

relatively drier conditions are expected by late Tuesday as a sal
layer will move into the area precipitable water values drop below 2
inches. This will decrease the pops for the middle part of the week.

Flow will be easterly and pops will be around climatological normals
for the weekend.

Marine...

southeast winds will continue through Monday night. Scattered
showers and thunderstorms will move in from the east today. Winds
will increase around and showers and thunderstorms that do
develop. Tuesday winds will be more easterly.

Preliminary point temps pops
Sju 80 86 80 86 50 30 20 10
stt 82 83 82 83 50 30 20 20

Sju watches warnings advisories
Pr... High rip current risk until 8 pm ast this evening for mayaguez
and vicinity-north central-northeast-northwest-ponce and
vicinity-san juan and vicinity-southeast-southwest-western
interior.

Vi... None.

Am... High rip current risk until 8 pm ast this evening for coastal
waters of southwestern puerto rico out 10 nm.

Short term... 99
long term... .99


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
SJNP4 - 9755371 - San Juan, PR 11 mi44 min 90°F 82°F1013.4 hPa
41053 - San Juan, PR 12 mi56 min SSE 12 G 16 88°F 83°F3 ft1012.5 hPa (-2.8)
YABP4 - 9754228 - Yabucoa Harbor, PR 25 mi38 min 87°F
JOXP4 - Jobos Bay Reserve, Puerto Rico 25 mi71 min E 8.9 86°F 1015 hPa76°F
42085 - Southeast of Ponce, PR 36 mi56 min E 12 G 16 84°F 84°F1013.3 hPa (-1.7)
41056 38 mi56 min ESE 7.8 G 9.7 83°F 1014 hPa (-2.5)
CLBP4 - 9752235 - Culebra, PR 47 mi38 min 89°F 84°F1014.3 hPa

Wind History for San Juan, PR
(wind in knots)    EDIT      (on/off)   Help
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
San Juan, Luis Munoz Marin International Airport, PR1343 mi3 hrsE 13 G 2010.00 miPartly Cloudy88°F77°F70%0 hPa

Wind History from JSJ (wind in knots)
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S11SE8S8S7S5--SE5CalmSE3CalmCalmCalmCalmCalmCalmCalmCalmS3E6NE9E13
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1 day ago--------SE65SE6SE4E6E4E4E4E6SE3E5SE3CalmNE33E7SE9SE10
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2 days ago--------------SE6SE9
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SE7SE6SE5SE4SE6SE7SE4S65------------

Tide / Current Tables for San Juan, La Puntilla, San Juan Bay, Puerto Rico
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San Juan
Click for Map
Mon -- 05:54 AM AST     0.32 feet Low Tide
Mon -- 06:13 AM AST     Sunrise
Mon -- 10:46 AM AST     Moonrise
Mon -- 12:53 PM AST     1.70 feet High Tide
Mon -- 06:17 PM AST     Sunset
Mon -- 07:25 PM AST     0.67 feet Low Tide
Mon -- 10:21 PM AST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
1.21.110.80.50.40.30.40.60.91.21.51.61.71.61.41.210.80.70.70.80.91

Tide / Current Tables for San Juan, Puerto Rico
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San Juan
Click for Map
Mon -- 05:54 AM AST     0.33 feet Low Tide
Mon -- 06:13 AM AST     Sunrise
Mon -- 10:46 AM AST     Moonrise
Mon -- 12:53 PM AST     1.71 feet High Tide
Mon -- 06:17 PM AST     Sunset
Mon -- 07:25 PM AST     0.68 feet Low Tide
Mon -- 10:21 PM AST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
1.21.110.80.50.40.30.40.60.91.21.51.71.71.61.41.210.80.70.70.80.91.1

Weather Map and Satellite Images
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Weather Map
wmap_A
IR Satellite Image from GEOS
carb_satellite

GOES Local Image of Puerto Rico    EDIT
Geos

Wind Forecast for (14,3,4,5)
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Ground Weather Radar Station Puerto Rico,Virgin Islands
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weather_mapweather_map weather_map

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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.