Friday, July20, 2018 L-36.com


Marine Weather and Tides
Del Mar, CA

Version 3.4
What's New / NOTES
5/20/2018 -- NOAA is having problems with the data feed that I use to draw the graphs. They are aware of the issue and working to resolve it. Sometimes changing the location by about a mile will give a correct graph. 3/3/2018 - There is a new GOES Satellite for the east coast that required rewriting that part of the code. Please report any issues.

Sunrise 5:54AMSunset 7:56PM Friday July 20, 2018 9:45 AM PDT (16:45 UTC) Moonrise 2:01PMMoonset 12:48AM Illumination 53% Phase: First Quarter Moon; Moon at 8 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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PZZ750 Coastal Waters From San Mateo Point To The Mexican Border And Out To 30 Nm- 224 Am Pdt Fri Jul 20 2018
Today..Wind W 10 kt. Wind waves 2 ft or less. Mixed swell W 1 to 2 ft at 9 seconds and sw 1 to 2 ft at 16 seconds.
Tonight..Wind W 10 kt. Wind waves 2 ft or less. Mixed swell W 1 to 2 ft at 9 seconds and sw 1 to 2 ft at 17 seconds.
Sat..Wind W 10 to 15 kt. Wind waves 2 ft or less... Becoming 3 ft in the afternoon. Mixed swell W 2 ft at 9 seconds and sw 2 ft at 18 seconds.
Sat night..Wind nw 10 to 15 kt. Wind waves 2 ft or less. Mixed swell W 2 ft at 7 seconds and sw 2 ft at 18 seconds.
Sun..Wind nw 10 to 15 kt. Wind waves 2 ft or less...becoming 3 ft in the afternoon. Mixed swell W 2 ft at 6 seconds and sw 2 to 3 ft at 17 seconds.
Sun night..Wind W 10 kt. Gusts to 15 kt in the evening. Wind waves 2 ft or less. Mixed swell W 3 to 4 ft and sw 3 ft.
Mon..Wind variable less than 10 kt...becoming W 10 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 3 to 4 ft and sw 3 ft.
Mon night..Wind W 10 kt in the evening...becoming variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 3 to 4 ft and sw 3 to 4 ft.
Tue..Wind variable less than 10 kt...becoming W 10 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 3 to 4 ft and sw 3 to 4 ft.
Tue night..Wind sw 10 kt in the evening... Becoming variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft and sw 4 ft.
PZZ700 224 Am Pdt Fri Jul 20 2018
Synopsis for the far southern california coast.. At 2 am, a 1009 mb low was near needles and a 1034 mb high was about 880 miles west of portland, oregon. Weak to moderate onshore winds will continue through the weekend into early next week.

7 Day Forecast for Marine Location Near Del Mar, CA
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location: 32.9, -117.25     debug


Area Discussion for - San Diego, CA
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Fxus66 ksgx 201038
afdsgx
area forecast discussion
national weather service san diego ca
338 am pdt Fri jul 20 2018

Synopsis
Monsoonal moisture will slowly decrease through Saturday with
isolated afternoon and early evening thunderstorms possible over
the mountains and high deserts. For Monday through Thursday...

strong high pressure aloft over the southwest states will bring an
extended period of very hot weather with the heat expected to
peak on Tuesday and Wednesday. Not quite as hot towards the end of
next week as the high pressure weakens a little.

Discussion For extreme southwestern california including orange...

san diego... Western riverside and southwestern san bernardino
counties...

Short term (today through Sunday)
The slow decrease in monsoonal moisture continues with isolated
thunderstorms possible near the mountains and in the high deserts
during the afternoon and early evening through Saturday. Similar
to yesterday morning... More extensive low clouds beyond the
offshore islands are much patchier towards the coast. A little
more coverage for coastal areas is expected for late tonight into
Saturday morning. Greater coverage is expected for late Saturday
night into Sunday morning as a weak coastal eddy develops with
stratus spreading into the western valleys. High temperatures for
coastal and valley areas are not expected to change much through
the weekend while high temperatures in the lower deserts expected
to warm as the monsoonal moisture decreases.

Long term (Monday through Friday)
Strong high pressure aloft centered over new mexico on Sunday
will move slowly westward... Being centered over arizona on
Tuesday... And along the lower colorado river on Wednesday. The
high pressure is expected to weaken a little for Thursday into
next weekend with some return of monsoonal moisture possible for
next weekend.

This high pressure will bring a period of very hot weather next
week with the heat expected to peak on Tuesday and Wednesday. The
extended run of the local workstation WRF with GFS boundary
conditions shows a persistent weak coastal eddy for Tuesday
through Friday. This is expected to keep areas towards the coast
from getting quite as hot with some patchy night and morning low
clouds and fog possible near the coast. While not as hot... High
temperatures in the 80s will extend to near the coast on Tuesday
and Wednesday and possibly on Thursday. Several high temperature
records could be broken on Tuesday and Wednesday (see the climate
section below). Several record warm low temperatures are expected
to be set as well... Especially on Tuesday night and Wednesday
night.

The high pressure is expected to weaken a little late in the week
with high temperatures not quite as hot. Some monsoonal moisture
may begin to return next weekend as well.

Aviation
201000z... Coast valleys... Local bkn stratus near the the coast with
bases 1000-1300 ft msl with tops to 1600 ft msl. Most areas will
clear 15z-17z Fri with patchy coastal stratus expected again fri
night.

Mountains deserts...VFR will prevail with just some high cloudiness.

There is a slight chance of tsra this afternoon over the san
bernardinos with CB bases 8000-9000 ft msl and tops to 35000 ft msl
with strong up downdrafts and local surface gusts over 35 knots.

Marine
No hazardous marine weather is expected through Tuesday.

Beaches
Swells from the south pacific will arrive and gradually increase at
socal beaches over the weekend and peak Monday through Wednesday
when high surf conditions could occur, along with strong rip
currents.

Climate
Possible record high temperatures for next Tuesday based on the
current forecast temperatures:
location forecast current record
san diego 86 85 in 2006
vista 91 91 in 2000
chula vista 84 81 in 2014
escondido 101 101 in 1906
ramona 104 103 in 2006
alpine 103 102 in 1959
thermal 118 117 in 2000
borrego 116 116 in 2014
possible record high temperatures for next Wednesday based on the
current forecast temperatures:
location forecast current record
chula vista 84 82 in 2015
el cajon 99 99 in 2006
ramona 104 101 in 1977
thermal 117 115 in 2000
borrego 115 115 in 2000
several record warm low temperatures are likely as well... Especially
on Tuesday night and Wednesday night.

Skywarn
Skywarn activation is not requested. However weather spotters are
encouraged to report significant weather conditions.

Sgx watches warnings advisories
Ca... Excessive heat warning from 10 am Monday to 8 pm pdt Thursday
for apple and lucerne valleys-coachella valley-orange
county inland areas-riverside county mountains-san
bernardino county mountains-san bernardino and riverside
county valleys-the inland empire-san diego county deserts-
san diego county mountains-san diego county valleys-san
gorgonio pass near banning-santa ana mountains and
foothills.

Pz... None.

Public climate... 17
aviation marine beaches... Gregoria


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
LJPC1 - La Jolla, CA (073) 2 mi26 min SW 6 1 ft
LJAC1 - 9410230 - La Jolla, CA 2 mi34 min SW 6 G 7 69°F 1014.8 hPa
46254 2 mi46 min 73°F1 ft
46225 - Torrey Pines Outer, CA (100) 8 mi55 min 73°F2 ft
SDBC1 - 9410170 - San Diego, CA 13 mi40 min 80°F1014.5 hPa
46258 17 mi46 min 74°F2 ft
46224 - Oceanside Offshore, CA (045) 23 mi46 min 73°F2 ft
TIXC1 - Tijuana River Reserve, CA 23 mi61 min SW 1.9 70°F 1016 hPa65°F
46242 - Camp Pendleton Nearshore, CA (043) 24 mi48 min 75°F2 ft
46232 - Point Loma South, CA (191) 27 mi46 min 71°F2 ft

Wind History for La Jolla, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
San Diego, Miramar MCAS/Mitscher Field Airport, CA5 mi1.8 hrsN 010.00 miMostly Cloudy74°F63°F69%1013.9 hPa
San Diego, Montgomery Field, CA8 mi53 minS 510.00 miMostly Cloudy73°F63°F71%1014.4 hPa
San Diego, San Diego International-Lindbergh Field, CA12 mi55 minSW 710.00 miMostly Cloudy71°F64°F79%1015.2 hPa
San Diego, North Island, Naval Air Station, CA14 mi54 minSW 410.00 miMostly Cloudy69°F64°F84%1014.5 hPa
Gillespie Field Airport, CA16 mi59 minN 010.00 miClear73°F64°F74%1014.9 hPa
Carlsbad, McClellan-Palomar Airport, CA17 mi53 minN 010.00 miOvercast69°F66°F90%1014.2 hPa
Ramona, Ramona Airport, CA20 mi53 minN 010.00 miFair77°F61°F58%1013.7 hPa
Imperial Beach Naval Outlying Field - Ream Field, CA23 mi50 minVar 410.00 miOvercast70°F63°F79%1014.9 hPa
Oceanside, Oceanside Municipal Airport, CA23 mi54 minWSW 89.00 miOvercast76°F64°F69%1014.1 hPa

Wind History from NKX (wind in knots)
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Last 24hrNW3W7W10SW10SW8SW8SW8SW7SW6SW5W5W3CalmW3W3SW3SW4W3SW3W4SW3SW3Calm6
1 day agoNE4W8SW7SW8SW8W8SW6SW754SW4CalmW3CalmSW3CalmSW3W4SW4CalmCalmCalmE4Calm
2 days agoW43NW9W9W10W12SW7W7
G16
W7W5W4SW4S3CalmCalmW4SW5S3CalmCalmSW6SW6E64

Tide / Current Tables for La Jolla, Scripps Pier, California
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La Jolla
Click for Map
Fri -- 12:48 AM PDT     Moonset
Fri -- 04:29 AM PDT     3.44 feet High Tide
Fri -- 05:54 AM PDT     Sunrise
Fri -- 10:09 AM PDT     1.55 feet Low Tide
Fri -- 02:00 PM PDT     Moonrise
Fri -- 05:04 PM PDT     5.16 feet High Tide
Fri -- 07:55 PM PDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
1.82.22.73.13.43.43.12.72.21.81.61.72.12.83.64.44.95.254.53.72.821.4

Tide / Current Tables for San Diego Bay Entrance, California Current
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San Diego Bay Entrance
Click for Map
Fri -- 12:48 AM PDT     Moonset
Fri -- 02:21 AM PDT     0.69 knots Max Flood
Fri -- 04:49 AM PDT     -0.00 knots Slack
Fri -- 05:54 AM PDT     Sunrise
Fri -- 07:49 AM PDT     -0.98 knots Max Ebb
Fri -- 11:00 AM PDT     0.00 knots Slack
Fri -- 02:00 PM PDT     Moonrise
Fri -- 02:37 PM PDT     1.17 knots Max Flood
Fri -- 05:36 PM PDT     -0.00 knots Slack
Fri -- 07:54 PM PDT     Sunset
Fri -- 08:56 PM PDT     -1.39 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.20.50.70.60.4-0.1-0.6-0.9-1-0.8-0.5-00.50.91.11.10.90.4-0.3-0.9-1.3-1.4-1.2-0.9

Weather Map and Satellite Images
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wmap_P
GOES Local Image of Southwest    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 San Diego, CA (12,3,4,5)
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Ground Weather Radar Station San Diego, CA
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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.