Tuesday, January28, 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 6:45AMSunset 5:18PM Tuesday January 28, 2020 7:11 PM PST (03:11 UTC) Moonrise 10:15AMMoonset 9:57PM Illumination 17% Phase: Waxing Crescent; Moon at 4 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- 128 Pm Pst Tue Jan 28 2020
Tonight..Wind W to 10 kt in the evening...becoming variable less than 10 kt. Wind waves 2 ft or less. SWell W 3 to 6 ft at 15 seconds.
Wed..Wind variable less than 10 kt...becoming nw 10 to 15 kt in the afternoon. Wind waves 2 ft or less. SWell W 4 to 6 ft at 11 seconds.
Wed night..Wind N 10 to 15 kt...becoming ne after midnight. Gusts to 20 kt. Wind waves 3 ft in the evening...becoming 2 ft or less. SWell W 4 to 6 ft at 11 seconds.
Thu..Wind ne to 10 kt...becoming W 10 kt in the afternoon. Wind waves 2 ft or less. SWell W 3 to 5 ft at 13 seconds.
Thu night..Wind S to 10 kt in the evening... Becoming variable less than 10 kt. Wind waves 2 ft or less. SWell W 3 to 4 ft at 13 seconds.
Fri..Wind variable less than 10 kt. Wind waves 2 ft or less. SWell W 2 to 4 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 4 ft.
Sat night..Wind variable less than 10 kt. Wind waves 2 ft or less. SWell W 2 to 3 ft.
Sun..Wind variable less than 10 kt. Wind waves 2 ft or less. SWell W 2 to 3 ft.
Sun night..Wind sw 10 kt. Wind waves 2 ft or less. SWell W 3 to 6 ft. Slight chance of showers.
PZZ700 128 Pm Pst Tue Jan 28 2020
Synopsis for the far southern california coast.. At 1 pm, a 1018 mb low was over northern baja and a 1025 mb high was around 800 sm west of northern california. A coastal eddy will develop tonight, then breezy northeasterly winds and choppy conditions develop Wednesday afternoon and evening, particularly between camp pendleton and san clemente island. Offshore flow nights and mornings will alternate with onshore flow afternoons and evenings Thursday through Saturday. Light showers may return to the area Sunday night.


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 282136 AFDSGX

Area Forecast Discussion National Weather Service San Diego CA 136 PM PST Tue Jan 28 2020

SYNOPSIS. Weak offshore flow will prevail for most of today, keeping the weather mild with mostly sunny skies. Santa Ana conditions will develop Wednesday through Saturday. Offshore winds will strengthen on Wednesday and peak Wednesday night into Thursday. As high pressure settles over the area Wednesday through Saturday, daytime temperatures will be above seasonal averages. The warmest days are projected to be Friday and Saturday. Another low pressure system passes through California Sunday night into Monday, which will cause temperatures to drop and bring a slight chance of precipitation over and west of the mountains.

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

This afternoon, sfc pressure gradients continue to trend weakly offshore and is currently -2.0 mb from San Diego to Tonopah NV. In spite of that, a sea breeze has developed and has spread marine moisture into the valleys.

From previous discussion . A low pressure trough now moving inland over northern CA will drag a sfc high into the Great Basin as the upper low moves over northern AZ on Wed. This will set up strong offshore sfc pressure gradients over SoCal along with northerly flow aloft. This will result in strong and gusty offshore winds (mainly from the north) characterized by mountain waves which will reach the surface at times, primarily along the coastal slopes of the San Bernardino and Riverside County mtns but also in the Santa Ana mtns, portions of Orange County and the San Diego County mtns. Current high- resolution model solutions indicate that the winds will peak Wednesday night into Thursday. Northerly winds with gusts of 50 to 60 mph can be expected on the coastal slopes of the San Bernardino and Riverside County mountains, Santa Ana mountains, and into the adjacent foothills. Isolated gusts up to 70 mph are possible. Northeast winds with gusts up to 50 mph can be expected in inland Orange County. Northeast winds with gusts up to 60 mph can be expected over the San Diego County mountains. The offshore flow weakens for Friday and Saturday but conditions remain warm and dry.

Temperatures will continue to increase throughout the week, peaking west of the mountains on Saturday. By then, coastal locations will be in the mid to upper 70s, with valley locations reaching the mid-80s.

Temperatures will begin to decrease on Sunday as onshore flow returns ahead of an incoming trough. As the trough moves through on Monday, temperatures are forecast to dip below seasonal averages. This low pressure system will also bring an increase in cloud cover with a slight chance of precipitation west of the mountains on Monday.

Numerical models still disagree with regard to when high pressure will begin to build in over SoCal again, but most likely dry and warm weather will prevail after Monday.

AVIATION. 282100Z . Patchy low clouds, with bases around 1000 ft MSL, will develop along portions of the San Diego County Coast tonight as a coastal eddy develops. VIS of 2-4 SM is possible where low clouds near higher terrain. North to northeast surface wind gusts of 30-50 kt and isolated higher gusts will develop tonight into Wednesday morning along coastal mountain slopes into adjacent foothills. Mountain waves will surface strong wind gusts into inland valleys away from the mountains, and create rotors at times. Expect LLWS and erratic winds at times through the period.

MARINE. Localized northeast wind gusts could exceed 25 kts between Camp Pendleton and San Clemente Island at times Wednesday. Choppy and hazardous conditions could result briefly. Otherwise, no hazardous marine weather is expected through Saturday.

BEACHES. Elevated surf and a high rip current risk will continue through Wednesday. Isolated sets could reach 7 feet at times in San Diego County.

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

SGX WATCHES/WARNINGS/ADVISORIES. CA . Wind Advisory from 4 PM Wednesday to 4 PM PST Thursday for San Diego County Mountains-San Diego County Valleys.

High Wind Warning from 6 AM Wednesday to 1 PM PST Thursday for Riverside County Mountains-San Bernardino County Mountains- San Bernardino and Riverside County Valleys-The Inland Empire-San Gorgonio Pass Near Banning-Santa Ana Mountains and Foothills.

Wind Advisory from 4 PM Wednesday to 1 PM PST Thursday for Orange County Inland Areas.

PZ . NONE.



PUBLIC . PG AVIATION/MARINE/BEACHES . JJT


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46254 2 mi74 min 59°F 61°F4 ft
LJAC1 - 9410230 - La Jolla, CA 2 mi60 min 60°F 60°F1017.7 hPa
LJPC1 - La Jolla, CA (073) 2 mi52 min W 1.9 G 4.1 4 ft
46266 4 mi42 min 59°F 61°F4 ft
46225 - Torrey Pines Outer, CA (100) 8 mi42 min 59°F6 ft
SDBC1 - 9410170 - San Diego, CA 13 mi60 min 61°F1018 hPa
46258 17 mi42 min 61°F6 ft
46224 - Oceanside Offshore, CA (045) 23 mi42 min 60°F4 ft
46235 23 mi42 min 60°F6 ft
TIXC1 - Tijuana River Reserve, CA 23 mi87 min WSW 1 59°F 1019 hPa56°F
46232 - Point Loma South, CA (191) 28 mi42 min 61°F8 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 mi77 minWNW 510.00 miFair59°F39°F49%1018 hPa
San Diego, Montgomery Field, CA8 mi19 minWNW 710.00 miFair59°F46°F64%1018.1 hPa
San Diego, San Diego International-Lindbergh Field, CA12 mi21 minWNW 59.00 miPartly Cloudy61°F57°F90%1018.7 hPa
San Diego, North Island, Naval Air Station, CA14 mi80 minW 510.00 miA Few Clouds60°F55°F84%1018.2 hPa
Gillespie Field Airport, CA16 mi85 minN 010.00 miClear64°F41°F43%1018.6 hPa
Carlsbad, McClellan-Palomar Airport, CA17 mi19 minN 06.00 miFog/Mist58°F54°F87%1018 hPa
Ramona, Ramona Airport, CA20 mi19 minN 010.00 miFair48°F41°F77%1018.2 hPa
Oceanside, Oceanside Municipal Airport, CA23 mi20 minN 08.00 miFair54°F51°F90%1018 hPa
Imperial Beach Naval Outlying Field - Ream Field, CA23 mi16 minWSW 59.00 miA Few Clouds63°F55°F76%1018.5 hPa

Link to 5 minute data for KNKX

Wind History from NKX (wind in knots)
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Last 24hrN5CalmE5E6E4CalmN3E6E4E6NE5NE5N4NE3CalmCalmNW5W4W13NW8NW7NW6W4W5
1 day agoE5W4CalmCalmE3E3E3NE4CalmCalmNE3E5NE5NE3NW3N7N8N3NW8NW9NW7NW6NW7NW7
2 days agoW5CalmCalmCalmCalmCalmCalmSE3CalmNE4E4CalmCalmCalmCalmCalmCalmCalmCalm5SW3W10W7W7

Tide / Current Tables for La Jolla, Scripps Pier, California
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La Jolla
Click for Map
Tue -- 04:33 AM PST     2.05 feet Low Tide
Tue -- 06:46 AM PST     Sunrise
Tue -- 09:15 AM PST     Moonrise
Tue -- 10:29 AM PST     4.85 feet High Tide
Tue -- 05:17 PM PST     Sunset
Tue -- 05:27 PM PST     0.18 feet Low Tide
Tue -- 08:56 PM PST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.83.532.42.12.12.433.84.44.84.84.43.52.51.50.70.20.20.71.42.33.13.7

Tide / Current Tables for San Diego Bay Entrance, California Current
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San Diego Bay Entrance
Click for Map
Tue -- 02:27 AM PST     -0.97 knots Max Ebb
Tue -- 05:04 AM PST     0.00 knots Slack
Tue -- 06:45 AM PST     Sunrise
Tue -- 08:06 AM PST     1.06 knots Max Flood
Tue -- 09:14 AM PST     Moonrise
Tue -- 11:03 AM PST     -0.00 knots Slack
Tue -- 02:38 PM PST     -1.76 knots Max Ebb
Tue -- 05:17 PM PST     Sunset
Tue -- 06:08 PM PST     0.00 knots Slack
Tue -- 08:56 PM PST     Moonset
Tue -- 09:09 PM PST     1.12 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.1-0.6-0.9-0.9-0.6-00.50.91.110.60-0.6-1.3-1.7-1.7-1.4-0.8-0.10.50.91.110.7

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 (22,6,7,8)
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Ground Weather Radar Station San Diego, CA
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weather_mapweather_map weather_map

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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.