Tuesday, January21, 2020
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Marine Weather and Tides
Del Mar, CA

Version 3.4
NOTICE
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.

Sunrise 6:48AMSunset 5:12PM Tuesday January 21, 2020 1:22 AM PST (09:22 UTC) Moonrise 5:08AMMoonset 3:28PM Illumination 15% Phase: Waning Crescent; Moon at 26 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- 138 Pm Pst Mon Jan 20 2020
Tonight..Wind variable less than 10 kt. Wind waves 2 ft or less. SWell W 2 to 3 ft at 13 seconds. Scattered showers.
Tue..Wind variable less than 10 kt...becoming nw 10 kt in the afternoon. Wind waves 2 ft or less. SWell W 2 to 4 ft at 15 seconds. Isolated showers in the morning.
Tue night..Wind nw 10 kt. Wind waves 2 ft or less. SWell W 2 to 4 ft at 16 seconds.
Wed..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 to 4 ft at 15 seconds.
Wed night..Wind nw to 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 to 4 ft at 14 seconds.
Thu..Wind variable less than 10 kt...becoming W 10 kt in the afternoon. Wind waves 2 ft or less. SWell W 2 to 4 ft.
Thu night..Wind variable less than 10 kt. Wind waves 2 ft or less. SWell W 2 to 3 ft.
Fri..Wind variable less than 10 kt. Wind waves 2 ft or less. SWell W 2 to 3 ft.
Fri night..Wind variable less than 10 kt. Wind waves 2 ft or less. SWell W 2 to 4 ft.
Sat..Wind variable less than 10 kt. Wind waves 2 ft or less. SWell W 2 to 5 ft.
Sat night..Wind variable less than 10 kt. Wind waves 2 ft or less. SWell W 3 to 6 ft.
PZZ700 138 Pm Pst Mon Jan 20 2020
Synopsis for the far southern california coast.. At 2 pm, a neutral flow was observed over the coastal waters. Weak onshore flow with weak and intermittent eddy circulations will prevail through Friday, except for slightly stronger onshore flow Tuesday and Wednesday nights. 6-8 foot waves are possible over the southwestern portion of the coastal waters south of san clemente island Wednesday into Thursday morning.


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 210518 AFDSGX

Area Forecast Discussion National Weather Service San Diego CA 920 PM PST Mon Jan 20 2020

SYNOPSIS. A weak Pacific trough will spread high clouds over southern California tonight with sprinkles or light showers at times through early Tuesday. High pressure begins to build over the area Tuesday night for dry and warmer weather Wednesday through Saturday with periods of weak offshore flow. There is a small chance for showers again Sunday or Monday.

DISCUSSION. FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE . SAN DIEGO . WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO COUNTIES .

A swath of mid and high level clouds swept across the region today but there weren't any reports of sprinkles or light showers this afternoon. The sub-cloud atmosphere was simply to dry for any rain drops to reach the ground. Light rain was finally reported in southern San Diego County at 9 PM. The PW slowly rose today from from 0.36" at 12Z to 0.75" at 00Z, enough for a few raindrops to reach the ground at the San Diego Airport and in La Mesa this evening.

Weak radar echoes off the coast of northern Baja will continue streaming northeast into SoCal ahead of a trough, and periods of light rain or drizzle will be possible just about anywhere in the region tonight. The trough axis moves east tomorrow morning, taking the clouds and light precipitation with it. Low level marine clouds may linger west of the mountains in the morning. Most areas should see some sun by the afternoon.

Look for a nice stretch of weather to follow Wednesday into the weekend as a ridge builds aloft and periods of weak offshore flow aid the warm-up west of the mts. The models have been toying with a trough late in the weekend into early Monday of next week, but trends have been weaker, with overall ridging over the SW likely inhibiting decent development. Even the ensemble members of both models are unconvincing, so this one doesn't hold much promise to be a significant precipitation event, at this time anyway.

AVIATION. 210500Z . High and mid-level clouds will continue across the region through early Tuesday. -SHRA will move across the region overnight, but remain light for most areas west of the mountains. Low cloud bases could lower to 1500-2500 ft in showers, with VIS dipping down to 2SM at times. Dry weather will follow for late Tuesday morning and afternoon.

MARINE. A west-northwest swell from 290 degrees may produce 6-8 foot waves with a period of 15 seconds over the southwestern portion of the coastal waters south of San Clemente Island Wednesday into Thursday morning. Otherwise, no hazardous marine conditions expected through Friday.

Beaches. Swell and surf will build late Tuesday through Wednesday, which may generate surf of 4-6 feet along portions of southern San Diego County through the period. The higher sets, along with a long swell period, may lead to strong rip currents and hazardous swimming conditions.

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

SGX WATCHES/WARNINGS/ADVISORIES. CA . NONE. PZ . NONE.



PUBLIC . Moede AVIATION/MARINE/BEACHES . JJT


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46254 2 mi54 min 60°F 60°F2 ft
LJAC1 - 9410230 - La Jolla, CA 2 mi58 min S 4.1 G 5.1 59°F 60°F1019 hPa
LJPC1 - La Jolla, CA (073) 2 mi62 min SSW 4.1 G 8 2 ft
46266 4 mi52 min 59°F 60°F3 ft
46225 - Torrey Pines Outer, CA (100) 8 mi22 min 58°F3 ft
SDBC1 - 9410170 - San Diego, CA 13 mi58 min 59°F1019.4 hPa
46258 17 mi22 min 60°F4 ft
46224 - Oceanside Offshore, CA (045) 23 mi22 min 60°F2 ft
46235 23 mi22 min 59°F3 ft
TIXC1 - Tijuana River Reserve, CA 23 mi97 min SSW 5.1 57°F 1020 hPa52°F
46232 - Point Loma South, CA (191) 28 mi22 min 60°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 mi87 minN 010.00 miOvercast59°F52°F78%1019.3 hPa
San Diego, Montgomery Field, CA8 mi29 minS 310.00 miLight Rain56°F50°F81%1019.4 hPa
San Diego, San Diego International-Lindbergh Field, CA12 mi31 minS 49.00 miLight Rain59°F53°F81%1020.1 hPa
San Diego, North Island, Naval Air Station, CA14 mi90 minS 98.00 miOvercast59°F51°F75%1019.5 hPa
Gillespie Field Airport, CA16 mi27 minESE 45.00 miLight Rain55°F50°F82%1019.6 hPa
Carlsbad, McClellan-Palomar Airport, CA17 mi29 minNNW 58.00 miLight Rain55°F36°F49%1019 hPa
Ramona, Ramona Airport, CA20 mi29 minE 310.00 miOvercast52°F46°F80%1018.7 hPa
Oceanside, Oceanside Municipal Airport, CA23 mi30 minN 57.00 miLight Rain54°F50°F87%1019.3 hPa
Imperial Beach Naval Outlying Field - Ream Field, CA23 mi86 minno data8.00 miLight Rain0°F0°F%1020 hPa

Link to 5 minute data for KNKX

Wind History from NKX (wind in knots)
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Last 24hrNE5E6E5NE3E4W4W5Calm--CalmSE7E6W8W5NW5N5E6W3CalmSE3S4SW6CalmS5
1 day agoE6E7NE3NE7E9NE8NE5E4CalmCalmNW34SW9SW5SW4E3E3E4SW4E5E3E4CalmE6
2 days agoE7NE9NE7NE5N3NE3E6E3NW3CalmNW3NW7W9NW10--NW7CalmCalmE3CalmNE3NE6E6E6

Tide / Current Tables for La Jolla, Scripps Pier, California
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La Jolla
Click for Map
Tue -- 04:07 AM PST     Moonrise
Tue -- 06:15 AM PST     5.98 feet High Tide
Tue -- 06:50 AM PST     Sunrise
Tue -- 01:37 PM PST     -0.84 feet Low Tide
Tue -- 02:28 PM PST     Moonset
Tue -- 05:10 PM PST     Sunset
Tue -- 08:11 PM PST     3.63 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.12.32.93.84.85.665.85.142.51.1-0.1-0.7-0.8-0.30.61.62.63.33.63.53.12.6

Tide / Current Tables for San Diego Bay Entrance, California Current
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San Diego Bay Entrance
Click for Map
Tue -- 12:41 AM PST     0.00 knots Slack
Tue -- 04:07 AM PST     Moonrise
Tue -- 04:09 AM PST     1.48 knots Max Flood
Tue -- 06:49 AM PST     Sunrise
Tue -- 06:57 AM PST     -0.00 knots Slack
Tue -- 10:33 AM PST     -2.35 knots Max Ebb
Tue -- 02:26 PM PST     0.00 knots Slack
Tue -- 02:28 PM PST     Moonset
Tue -- 05:10 PM PST     Sunset
Tue -- 05:24 PM PST     1.58 knots Max Flood
Tue -- 08:30 PM PST     -0.00 knots Slack
Tue -- 10:53 PM PST     -0.98 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.40.20.81.31.51.30.8-0-1-1.8-2.3-2.3-1.9-1.2-0.40.51.21.51.51.10.4-0.3-0.8-1

Weather Map
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wmap_P
GEOS 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.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for San Diego, CA (4,6,7,8)
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Ground Weather Radar Station San Diego, CA
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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 numerous 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.