Thursday, October18, 2018 L-36.com


Marine Weather and Tides
Del Mar, CA

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 6:55AMSunset 6:12PM Thursday October 18, 2018 11:25 AM PDT (18:25 UTC) Moonrise 3:12PMMoonset 1:12AM Illumination 68% Phase: Waxing Gibbous; Moon at 9 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- 206 Am Pdt Thu Oct 18 2018
Today..Wind variable less than 10 kt...becoming nw 10 kt with gusts to 15 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft at 6 seconds and sw 2 to 3 ft at 16 seconds.
Tonight..Wind nw 10 kt with gusts to 15 kt in the evening... Becoming variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft at 6 seconds and sw 2 to 3 ft at 15 seconds.
Fri..Wind variable less than 10 kt...becoming W to 10 kt in the afternoon. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft at 7 seconds and sw 2 to 3 ft at 16 seconds.
Fri night..Wind nw to 10 kt in the evening... Becoming variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft at 7 seconds and sw 2 to 3 ft at 15 seconds.
Sat..Wind E to 10 kt...becoming W in the afternoon. Wind waves 2 ft or less. Mixed swell W 1 to 2 ft at 7 seconds and sw 2 ft at 15 seconds.
Sat night..Wind nw to 10 kt in the evening... Becoming variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 2 ft and sw 2 ft.
Sun..Wind variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 1 to 2 ft and S 2 ft.
Sun night..Wind variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 1 to 2 ft and S 2 ft.
Mon..Wind variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 2 ft and sw 1 to 2 ft.
Mon night..Wind variable less than 10 kt. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft and sw 2 ft.
PZZ700 206 Am Pdt Thu Oct 18 2018
Synopsis for the far southern california coast.. At 2 am a 1025 mb high was 600 nm west of san francisco and a 1024 mb high was over central utah. A 1017 mb low covered the southern california coastal waters. Northeast winds during nights and mornings will alternate with northwest winds during afternoons and evenings through Saturday. Southerly winds along the coast are expected Saturday night and Sunday. Light and variable winds will follow Monday.


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


Area Discussion for - San Diego, CA
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Fxus66 ksgx 181718
afdsgx
area forecast discussion
national weather service san diego ca
1015 am pdt Thu oct 18 2018

Synopsis
High pressure building over the great basin will bring warm, dry
weather through Saturday. This santa ana pattern will also bring
gusty offshore winds to the mountains, foothills and inland valleys.

On Sunday and Monday, an upper level trough moving inland through
central california will bring some clouds to the mountains and
deserts. It will also bring back night and morning low clouds and
fog to the coastal and valleys areas.

Discussion For extreme southwestern california including orange...

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

clear skies today and Friday with a santa ana pattern firmly in
place. The fire weather watch that was in effect from 3 am Friday to
2 pm Saturday has been upgraded to a red flag warning, but the
ending time was shortened to 10 pm Friday due to the lighter winds
and greater humidity recovery expected on Saturday.

High pressure building over the great basin will bring periods of
mostly weak offshore flow through Saturday with the strongest
northeast winds on Friday with gusts to 45 mph in the passes and
foothills. The offshore flow will bring warmer days to areas west of
the mountains. The strongest downslope warming will raise high
temperatures into the low 90s in parts of the inland empire and
inland orange county. MAX temperatures in these areas were raised a
few degrees Friday and Saturday.

No changes to the remainder of the discussion.

Long term (Sunday through Wednesday)
Upper level low pressure will move northward along the california
coast on Saturday and then weaken and move inland on Sunday.

While this low pressure system is expected to draw in moisture
from the southeast and east, most of the precipitation is
expected to remain to the east and northeast of southwestern
california. Mostly weak onshore flow will return on Saturday night
and continue into next week. Night and morning coastal low clouds
and fog may return as early as late Saturday night into Sunday
morning. The return of weak onshore flow will spread some cooling
inland for coastal and valley areas with not much change farther
inland.

Aviation
181620z... Clear skies, unrestricted visibility and generally light
winds today and tonight. Wind gusts 20-25 kt in foothills through
20z Thursday. Winds will begin to pick up in the mountains,
foothills and valleys Friday morning with N to NE winds 30-40 mph
and gusts to 50 mph. Llws likely 6-11z Friday as winds begin to
surface. Mod-stg uddfs on coastal-facing mountain slopes.

Marine
No hazardous marine weather is expected through Tuesday.

Fire weather
The fire weather watch was upgraded to a red flag warning that will
be in effect from 3 am to 10 pm Friday. On Saturday the humidity
increases and the winds decrease slightly, and the fire weather
threat will lower and criteria for a red flag warning will not be
reached.

On Friday the northeast winds will be strongest in the passes,
foothills and in the inland empire below the cajon pass. Lowest
daytime humidity will be from 10 to 15 percent. There will be
humidity recovery Saturday to around 20 percent.

Onshore flow will return Sunday into early next week with a cooling
trend for coastal and valley areas and a further recovery in
humidity.

Skywarn
Skywarn activation will not be needed today.

Sgx watches warnings advisories
Ca... Red flag warning from 3 am to 10 pm pdt Friday for orange county
coastal areas-orange county inland areas-riverside county
mountains-including the san jacinto ranger district of the
san bernardino national forest-san bernardino county
mountains-including the mountain top and front country
ranger districts of the san bernardino national forest-san
bernardino and riverside county valleys -the inland empire-
san diego county inland valleys-san diego county mountains-
including the palomar and descanso ranger districts of the
cleveland national forest-san gorgonio pass near banning-
santa ana mountains-including the trabuco ranger district
of the cleveland national forest.

Pz... None.

Public fire weather... Moede
aviation marine... Connolly


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
LJPC1 - La Jolla, CA (073) 2 mi65 min N 2.9 2 ft
LJAC1 - 9410230 - La Jolla, CA 2 mi43 min NNE 1.9 G 1.9 67°F 65°F1017.7 hPa
46254 2 mi55 min 66°F2 ft
46225 - Torrey Pines Outer, CA (100) 8 mi25 min 67°F3 ft
SDBC1 - 9410170 - San Diego, CA 13 mi43 min 1017.3 hPa
46258 17 mi25 min 67°F3 ft
TIXC1 - Tijuana River Reserve, CA 23 mi100 min NNE 1 73°F 1018 hPa43°F
46235 23 mi55 min 64°F3 ft
46224 - Oceanside Offshore, CA (045) 23 mi55 min 66°F3 ft
46242 - Camp Pendleton Nearshore, CA (043) 24 mi57 min 66°F2 ft
46232 - Point Loma South, CA (191) 27 mi25 min 67°F4 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 mi30 minN 510.00 miFair82°F39°F22%1016.9 hPa
San Diego, Montgomery Field, CA8 mi32 minVar 310.00 miFair79°F39°F24%1017.3 hPa
San Diego, San Diego International-Lindbergh Field, CA12 mi34 minNW 610.00 miFair76°F44°F32%1017.9 hPa
San Diego, North Island, Naval Air Station, CA14 mi93 minN 010.00 miFair72°F44°F37%1017.6 hPa
Gillespie Field Airport, CA16 mi38 minN 010.00 miClear75°F39°F27%1017.9 hPa
Carlsbad, McClellan-Palomar Airport, CA17 mi32 minWNW 510.00 miFair80°F37°F21%1017 hPa
Ramona, Ramona Airport, CA20 mi32 minE 1410.00 miFair80°F37°F21%1017.2 hPa
Imperial Beach Naval Outlying Field - Ream Field, CA23 mi29 minNW 810.00 miFair74°F42°F32%1017.4 hPa
Oceanside, Oceanside Municipal Airport, CA23 mi33 minN 010.00 miFair81°F39°F22%1017.1 hPa

Wind History from NKX (wind in knots)
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Last 24hrW6NW10NW12NW11NW9NW7NW6N5NE4E3N3N4CalmCalm3E9E6E4NE3E7SE5E33N5
1 day ago6NW10W8W9W9W7NW4NW3NW7CalmE3E8E5E9E4E5E3E6E6NE4E4E9E95
2 days agoN9NE5N13
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NE10E11E10E5NE6E7N6NE4E8CalmCalmNE5W6NE6NE6E6NE3CalmW7

Tide / Current Tables for La Jolla, Scripps Pier, California
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La Jolla
Click for Map
Thu -- 12:10 AM PDT     0.77 feet Low Tide
Thu -- 01:12 AM PDT     Moonset
Thu -- 06:55 AM PDT     Sunrise
Thu -- 07:07 AM PDT     4.18 feet High Tide
Thu -- 12:29 PM PDT     2.56 feet Low Tide
Thu -- 03:11 PM PDT     Moonrise
Thu -- 06:00 PM PDT     4.37 feet High Tide
Thu -- 06:12 PM PDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.80.91.322.83.544.24.13.73.32.82.62.62.93.33.84.24.44.23.72.92.11.3

Tide / Current Tables for San Diego Bay Entrance, California Current
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San Diego Bay Entrance
Click for Map
Thu -- 12:59 AM PDT     0.00 knots Slack
Thu -- 01:12 AM PDT     Moonset
Thu -- 04:15 AM PDT     1.15 knots Max Flood
Thu -- 06:55 AM PDT     Sunrise
Thu -- 07:21 AM PDT     -0.00 knots Slack
Thu -- 10:05 AM PDT     -0.81 knots Max Ebb
Thu -- 01:19 PM PDT     0.00 knots Slack
Thu -- 03:11 PM PDT     Moonrise
Thu -- 04:09 PM PDT     0.77 knots Max Flood
Thu -- 06:12 PM PDT     Sunset
Thu -- 06:30 PM PDT     -0.00 knots Slack
Thu -- 09:58 PM PDT     -1.47 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.500.50.91.11.10.70.2-0.3-0.7-0.8-0.7-0.5-0.10.30.60.80.70.3-0.3-0.9-1.3-1.5-1.3

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 (14,3,4,5)
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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.