Friday, February22, 2019 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 6:23AMSunset 5:41PM Friday February 22, 2019 12:48 AM PST (08:48 UTC) Moonrise 10:25PMMoonset 9:43AM Illumination 91% Phase: Waning Gibbous; Moon at 18 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- 136 Pm Pst Thu Feb 21 2019
.small craft advisory in effect until 10 pm pst this evening...
Tonight..Wind nw 10 to 20 kt with gusts to 25 kt... Becoming ne to 10 kt after midnight. Wind waves 3 to 4 ft in the evening... Becoming 2 ft or less. SWell W 5 to 7 ft at 11 seconds. Chance of showers and slight chance of tstms in the evening, then slight chance of showers after midnight.
Fri..Wind ne to 10 kt...becoming W in the afternoon. Wind waves 2 ft or less. SWell W 4 to 6 ft at 11 seconds. Slight chance of showers in the morning.
Fri night..Wind nw 10 kt with gusts to 15 kt... Becoming se to 10 kt after midnight. Wind waves 2 ft or less. SWell W 3 to 4 ft at 14 seconds.
Sat..Wind se 10 kt...becoming W in the afternoon. Wind waves 2 ft or less. SWell W 1 to 3 ft at 14 seconds.
Sat night..Wind N 10 kt. Gusts to 15 kt in the evening. Wind waves 2 ft or less. SWell nw 1 to 2 ft at 13 seconds.
Sun..Wind variable less than 10 kt...becoming nw 10 kt in the afternoon. Wind waves 2 ft or less. SWell nw 1 to 2 ft.
Sun night..Wind nw 10 kt with gusts to 15 kt in the evening... Becoming variable less than 10 kt. Wind waves 2 ft or less. SWell W 2 ft.
Mon..Wind variable less than 10 kt...becoming W 10 kt in the afternoon. Wind waves 2 ft or less. SWell W 2 ft.
Mon night..Wind nw 10 kt. Gusts to 15 kt in the evening. Wind waves 2 ft or less. SWell W 2 to 3 ft.
Tue..Wind variable less than 10 kt...becoming W 10 kt with gusts to 15 kt in the afternoon. Wind waves 2 ft or less. SWell W 2 ft.
Tue night..Wind nw 10 kt with gusts to 15 kt. Wind waves 2 ft or less. SWell W 2 to 3 ft.
PZZ700 136 Pm Pst Thu Feb 21 2019
Synopsis for the far southern california coast.. At 1 pm, a 1003 mb low was near santa Monica and a 1007 high was in northeast san bernardino county. Blustery winds and seas will make hazardous conditions through the evening, but with some decrease near the coast this afternoon. There is also a slight chance of Thunderstorms through late this evening. Brief offshore flow Friday morning will be followed by onshore flow through Monday and an eddy Friday night into Saturday.


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 220536
afdsgx
area forecast discussion
national weather service san diego ca
936 pm pst Thu feb 21 2019

Synopsis
The cold winter storm which brought significant snowfall to the
mountains and even parts of the foothills will continue to exit
the area overnight. Mostly dry weather is expected tonight through
Friday, though a few snow showers may linger near the mountains.

Areas of frost and freezing temperatures are expected tonight for
the inland valleys. Saturday through Wednesday will be dry with a
warming trend with high temperatures returning to around average
by Tuesday or Wednesday.

Discussion For extreme southwestern california including orange...

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

Update...

the cold winter storm system will continue to depart the area to
the east overnight. It brought significant snowfall to the
mountains with even some foothill locales receiving the rare sight
of snow! See the storm summary precip totals headlined on our
webpage. A few thunderstorms occurred with this system along with
numerous reports of small hail. Mostly dry and cold conditions
will prevail overnight with a few snow showers over the mountains.

No significant changes were made to the forecast this evening.

Previous discussion (issued at 210 pm pst Thu feb 21 2019)...

at 1 pm, satellite imagery displayed a cold, upper-level low
centered just north of southern ca. Radar showed numerous showers
and isolated thunderstorms across southern ca, with snow levels
around 2000-3000 ft. A precipitation summary is headlined on our
webpage highlighting rainfall and snowfall amounts as of noon.

Showers will continue this afternoon across the region,
especially in san diego county, and decrease through the evening.

The aforementioned low will continue south towards southern ca
this evening, then move southeast into az tonight. Snow levels
will lower to 2000 to 2500 feet overnight. Additional snow
accumulations of 2 to 5 inches, with localized amounts up to 8
inches on the higher peaks, are expected through tonight. A few
snow showers may linger near the mountains on Friday, with small
accumulations even down to 1500 ft in the san bernardino county
mountains. The winter storm warning for the mountains remains in
effect through 1 am tonight. Westerly wind gusts to 45 mph are
possible, mainly across the san diego county mountains into
adjacent deserts through this evening.

Additional rainfall amounts for the coast and valleys will range
from a trace to 0.10 inches in the deserts, to 0.10 to 0.25
inches over the coast and valleys, and 0.25 to 0.50 inches over
the mountains. Locally higher amounts are expected under
thunderstorms, with small hail mixed in with rain.

Patchy frost is expected Friday morning for inland areas, with
freezing temperatures in portions of the inland empire and san
diego valleys as precipitation ends and skies start to clear.

A frost advisory and freeze warning has been issued for tonight
for the inland valleys.

Heights will slowly build through the weekend into next week,
which will help high temperatures increase to near seasonal
normals. Dry weather is expected this weekend through the middle
of next week, with our next storm possibly arriving next Friday.

Aviation
220500z... Showers will continue to decrease through 08z with little
or no shower activity after that. Sct-bkn lingering clouds with
bases 4000-6000 ft msl will continue overnight with areas of
mountain terrain obscured, but most visibility will be greater than
6 miles below the clouds. Skies will be mostly clear Friday with
unrestricted vis.

Marine
Winds are now mostly below 20 knots and will continue to decrease
overnight, and combined seas should be below 8 feet after midnight.

The lightning threat should end by 10 pm this evening as one last
heavy shower south of san clemente island moves south into the
mexican coastal waters. No hazardous marine weather is expected from
Friday through Tuesday.

Beaches
Due to the relatively short period of the swells, most of the surf
will be less than 6 feet Friday, though the rip current risk will be
high. The lightning threat has ended at the beaches this evening.

Skywarn
Skywarn activation is not requested, but snowfall reports would be
appreciated!

Sgx watches warnings advisories
Ca... Winter storm warning until 1 am pst Friday for riverside county
mountains-san bernardino county mountains-san diego county
mountains.

Freeze warning until 9 am pst Friday for san bernardino and
riverside county valleys-the inland empire-san diego county
valleys.

Frost advisory until 9 am pst Friday for orange county inland
areas.

Beach hazards statement until 9 pm pst this evening for san
diego county coastal areas.

Pz... Small craft advisory until 10 pm pst this evening for coastal
waters from san mateo point to the mexican border and out
to 30 nm-waters from san mateo point to the mexican border
extending 30 to 60 nm out including san clemente island.

Public... Gregoria (update) jjt (prev discussion)
aviation marine... Maxwell


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
LJAC1 - 9410230 - La Jolla, CA 2 mi55 min E 9.9 G 11 45°F 57°F1007.8 hPa
46254 2 mi51 min 57°F4 ft
LJPC1 - La Jolla, CA (073) 2 mi29 min E 8.9 G 12 4 ft
46225 - Torrey Pines Outer, CA (100) 8 mi49 min 58°F4 ft
SDBC1 - 9410170 - San Diego, CA 13 mi55 min 1007.9 hPa
46258 17 mi19 min 58°F5 ft
46224 - Oceanside Offshore, CA (045) 23 mi19 min 58°F4 ft
46235 23 mi49 min 57°F5 ft
TIXC1 - Tijuana River Reserve, CA 23 mi64 min ESE 4.1 43°F 1008 hPa39°F
46232 - Point Loma South, CA (191) 27 mi49 min 59°F6 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 mi1.9 hrsW 710.00 miFair44°F36°F73%1006.9 hPa
San Diego, Montgomery Field, CA8 mi56 minN 010.00 miFair41°F37°F86%1007.8 hPa
San Diego, San Diego International-Lindbergh Field, CA12 mi58 minVar 310.00 miA Few Clouds46°F36°F68%1008.6 hPa
San Diego, North Island, Naval Air Station, CA14 mi57 minE 410.00 miPartly Cloudy50°F37°F63%1007.9 hPa
Gillespie Field Airport, CA16 mi74 minno data10.00 miPartly Cloudy41°F39°F93%1007.8 hPa
Carlsbad, McClellan-Palomar Airport, CA17 mi56 minENE 310.00 miFair42°F37°F82%1007.6 hPa
Ramona, Ramona Airport, CA20 mi56 minN 010.00 miPartly Cloudy38°F35°F89%1006.8 hPa
Oceanside, Oceanside Municipal Airport, CA23 mi57 minNE 410.00 miFair39°F37°F96%1008.1 hPa
Imperial Beach Naval Outlying Field - Ream Field, CA23 mi53 minE 710.00 miFair44°F37°F76%1008.2 hPa

Wind History from NKX (wind in knots)
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Last 24hrW10
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W10SW9--W9SW8W11W10W11W14W12W14
G19
W13W12W11W11W10W11W7W8W7W6W7--
1 day ago5----------5NE9E7SE5SW7SW9SW9SW10SW8SW8SW8W7W9W10SW8W7SW7W6
2 days ago----------5E7E75555--4SW10SW8W7SW7545455

Tide / Current Tables for La Jolla, Scripps Pier, California
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La Jolla
Click for Map
Fri -- 04:45 AM PST     0.63 feet Low Tide
Fri -- 06:25 AM PST     Sunrise
Fri -- 08:42 AM PST     Moonset
Fri -- 10:47 AM PST     5.12 feet High Tide
Fri -- 05:11 PM PST     -0.13 feet Low Tide
Fri -- 05:40 PM PST     Sunset
Fri -- 09:25 PM PST     Moonrise
Fri -- 11:35 PM PST     4.93 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.53.72.51.50.80.61.123.14.24.95.14.73.72.51.30.3-0.10.10.823.24.24.8

Tide / Current Tables for San Diego Bay Entrance, California Current
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San Diego Bay Entrance
Click for Map
Fri -- 02:19 AM PST     -1.84 knots Max Ebb
Fri -- 05:21 AM PST     0.00 knots Slack
Fri -- 06:24 AM PST     Sunrise
Fri -- 08:23 AM PST     1.64 knots Max Flood
Fri -- 08:42 AM PST     Moonset
Fri -- 11:22 AM PST     -0.00 knots Slack
Fri -- 02:36 PM PST     -2.10 knots Max Ebb
Fri -- 05:40 PM PST     Sunset
Fri -- 05:53 PM PST     0.00 knots Slack
Fri -- 08:58 PM PST     1.67 knots Max Flood
Fri -- 09:25 PM PST     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.5-1.4-1.8-1.7-1.2-0.30.61.31.61.61.10.3-0.6-1.5-2-2.1-1.6-0.80.10.91.51.71.50.9

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 (3,6,7,8)
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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.