Saturday, November28, 2020
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Marine Weather and Tides
National City, CA

Version 3.4
NOTICE
8/26/2020 The 7 day forecast is taking about 5 seconds to load but it will eventually load. NOAA is still working on it.
8/18/2020 NOAA continues to have trouble. Wind guest will occasionally be left off graphs. I am working with NOAA to resolve the issue.
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 6:29AMSunset 4:43PM Saturday November 28, 2020 12:40 AM PST (08:40 UTC) Moonrise 4:54PMMoonset 5:52AM Illumination 96% Phase: Waxing Gibbous; Moon at 13 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- 229 Pm Pst Fri Nov 27 2020
Tonight..Wind N 10 kt...becoming ne after midnight. Wind waves 2 ft or less. SWell W 1 to 2 ft at 13 seconds.
Sat..Wind ne to 10 kt...becoming nw 10 kt in the afternoon. Wind waves 2 ft or less. SWell W 1 to 2 ft at 12 seconds.
Sat night..Wind N 10 kt in the evening...becoming variable less than 10 kt. Wind waves 2 ft or less. SWell W 1 to 2 ft at 12 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 at 14 seconds.
Sun night..Wind N 10 kt in the evening...becoming variable less than 10 kt. Wind waves 2 ft or less. SWell W 2 ft at 14 seconds.
Mon..Wind variable less than 10 kt...becoming W 10 kt in the afternoon. Wind waves 2 ft or less. SWell nw 1 to 2 ft.
Mon night..Wind nw 10 kt in the evening...becoming variable less than 10 kt. Wind waves 2 ft or less. SWell W 1 to 2 ft.
Tue..Wind variable less than 10 kt. Wind waves 2 ft or less. SWell W 1 to 3 ft.
Tue night..Wind variable less than 10 kt. Wind waves 2 ft or less. SWell W 2 to 3 ft.
Wed..Wind variable less than 10 kt. Wind waves 2 ft or less. SWell W 1 to 2 ft.
Wed night..Wind variable less than 10 kt...becoming ne 10 kt with gusts to 15 kt after midnight. Wind waves 2 ft or less... Becoming 3 ft after midnight. SWell W 2 to 3 ft.
PZZ700 229 Pm Pst Fri Nov 27 2020
Synopsis for the far southern california coast.. Periods of gusty offshore santa ana winds, from the northeast, will continue through late Saturday morning, with brief gusts to around 20 knots likely along the corridor between orange county down to about carlsbad, and offshore to san clemente island. Lighter onshore flow will return for early next week, but winds will occasionally shift back to offshore overnight and in the mornings each day through next week.


7 Day Forecast for Marine Location Near National City, CA
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location: 32.67, -117.12     debug


Area Discussion for - San Diego, CA
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FXUS66 KSGX 280529 AFDSGX

Area Forecast Discussion National Weather Service San Diego CA 930 PM PST Fri Nov 27 2020

SYNOPSIS. Locally gusty northeast winds will continue at times in wind-prone areas through Saturday morning. Weak offshore flow will continue early next week, along with high pressure aloft to bring warmer days, but continued chilly nights with patchy frost in low, wind- sheltered locations. Another Santa Ana wind event is possible around Wednesday or Thursday of next week.

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

Skies were clear this evening with local northeast winds gusting 30- 45 MPH in the mountains and western foothills. The winds have more of an easterly component tonight, so the strongest winds will be in the San Diego County mountains and also near San Gorgonio/Banning Pass overnight into early Saturday morning. Otherwise, we continue with offshore pressure gradients over the region for the foreseeable future, but after Saturday morning, most of the winds will be light ot moderate, with gusts mostly under 30 MPH, until the middle of next week when a Santa Ana wind will be possible as the surface high over the Great Basin will strengthen behind a trough moving through the interior western US. The most likely days will be Wednesday and Thursday, but it is too early to peg the details. The easiest part of the forecast: no precipitation through next week in SoCal.

From previous discussion .

Low pressure centered over AZ today will drift east through the weekend as high pressure slowly rebuilds over the Southwest. A more amplified ridge will build along the West Coast early next week with several weak disturbances traversing the region in the interim. It all adds up to a fair and dry pattern for SoCal, with weak offshore flow prevailing much of the coming week. By mid next week, building high pressure to the north and stronger low pressure near the Four Corners may support a moderate Santa Ana, but timing and details remain uncertain. Long nights and very dry air will likely result in near-freezing temperatures in low-lying, wind sheltered locations, so expect some patchy frost and plan accordingly.

The High wind Warning and Advisory along the O.C. coast have been cancelled as the winds have fallen below criteria. Strong gusts will continue below passes and canyons, but should be isolated and more infrequent.

AVIATION. 280445Z . North to east winds with gusts around 25-35 kt continuing in spots of the coastal slopes. The winds will be strongest in San Diego County tonight and Saturday morning until 16-18Z with isolated gusts around 45 kt possible. Areas of MOD-SVR up/downdrafts and LLWS expected for areas over and west of the mountains through Sat AM. Otherwise, VFR conditions will continue through Saturday.

MARINE. Isolated gusts around 20 knots through Saturday morning, mainly near Camp Pendleton/Oceanside. Otherwise, typical afternoon breezes 10-15 kts through much of next week.

FIRE WEATHER. The Red Flag Warning for all northern areas expired at 6 PM PST as supporting winds became very localized. Farther to the south in San Diego County, winds will increase a bit in coverage and intensity with local gusts 40 to 55 MPH overnight and very early Saturday morning, which should support the Red Flag Warning there until 9 AM PST. Strongest winds will mostly be just west of the mountain crests.

Continued weak offshore flow and low RH values will continue elevated fire weather conditions each day, well into next week, at times below 10 percent inland. Another Santa Ana wind is possible again around midweek.

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

SGX WATCHES/WARNINGS/ADVISORIES. CA . Red Flag Warning until 9 AM PST Saturday for San Diego County Inland Valleys-San Diego County Mountains-Including The Palomar And Descanso Ranger Districts of the Cleveland National Forest.

PZ . NONE.



PUBLIC/FIRE WEATHER . 10 (Previous Discussion)/Maxwell (Update) AVIATION/MARINE . APR


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
SDBC1 - 9410170 - San Diego, CA 4 mi59 min 63°F1021.7 hPa
46235 7 mi45 min 60°F3 ft
LJAC1 - 9410230 - La Jolla, CA 15 mi59 min ESE 2.9 G 5.1 57°F 62°F1021.4 hPa
LJPC1 - La Jolla, CA (073) 15 mi81 min E 7 G 13 2 ft
46254 16 mi45 min 62°F2 ft
46232 - Point Loma South, CA (191) 19 mi45 min 63°F4 ft
46258 21 mi45 min 62°F4 ft
46266 22 mi101 min 54°F 62°F2 ft
46225 - Torrey Pines Outer, CA (100) 23 mi45 min 60°F2 ft
46224 - Oceanside Offshore, CA (045) 40 mi45 min 62°F2 ft

Wind History for USS MIDWAY South Navy Pier, San Diego, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
San Diego, North Island, Naval Air Station, CA5 mi49 minN 010.00 miFair48°F37°F68%1021.5 hPa
San Diego International Airport, CA5 mi50 minN 010.00 miFair49°F35°F59%1022.2 hPa
Imperial Beach Naval Outlying Field - Ream Field, CA6 mi45 minno data10.00 miFair0°F0°F%1022.1 hPa
San Diego, Brown Field Municipal Airport, CA10 mi48 minE 710.00 miFair43°F18°F37%1021.3 hPa
San Diego, Montgomery Field, CA11 mi48 minN 010.00 miFair50°F27°F41%1021.4 hPa
Gillespie Field Airport, CA14 mi46 minN 010.00 miFair41°F28°F61%1021.7 hPa
San Diego, Miramar MCAS/Mitscher Field Airport, CA15 mi46 minENE 710.00 miFair42°F21°F43%1021.1 hPa

Link to 5 minute data for KNZY

Wind History from NZY (wind in knots)
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Last 24hrCalmN4CalmNW3CalmNW3NE4CalmS3N3S6W7W8NW9NW9NW9N8CalmCalmSW3CalmE4CalmCalm
1 day agoCalmNE3CalmE6CalmE3E3CalmCalm3NW4----NW8NW10NW6NW6CalmW3N4N5CalmE3Calm
2 days agoCalmCalmCalmE3CalmSE3CalmE3CalmSW3NW9NW9NW8W7W6NW7NW7NW5NW3N3CalmCalmE3E3

Tide / Current Tables for National City, San Diego Bay, California
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National City
Click for Map
Sat -- 01:31 AM PST     1.48 feet Low Tide
Sat -- 04:52 AM PST     Moonset
Sat -- 06:30 AM PST     Sunrise
Sat -- 07:44 AM PST     6.45 feet High Tide
Sat -- 02:43 PM PST     -0.18 feet Low Tide
Sat -- 03:53 PM PST     Moonrise
Sat -- 04:42 PM PST     Sunset
Sat -- 08:46 PM PST     4.37 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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21.61.52.13.14.35.56.36.45.94.93.520.7-0-0.20.31.32.53.54.24.443.3

Tide / Current Tables for San Diego Bay Entrance, California Current
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San Diego Bay Entrance
Click for Map
Sat -- 01:49 AM PST     0.00 knots Slack
Sat -- 04:52 AM PST     Moonset
Sat -- 05:08 AM PST     1.54 knots Max Flood
Sat -- 06:30 AM PST     Sunrise
Sat -- 08:02 AM PST     -0.00 knots Slack
Sat -- 11:23 AM PST     -2.13 knots Max Ebb
Sat -- 03:00 PM PST     0.00 knots Slack
Sat -- 03:54 PM PST     Moonrise
Sat -- 04:42 PM PST     Sunset
Sat -- 05:58 PM PST     1.39 knots Max Flood
Sat -- 08:55 PM PST     -0.00 knots Slack
Sat -- 11:31 PM PST     -1.21 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-1.1-0.60.10.81.31.51.40.90-0.9-1.7-2.1-2-1.6-0.8-00.71.21.41.20.7-0.1-0.7-1.1

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
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 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.