Saturday, March28, 2020
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Marine Weather and Tides
Coronado, 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 6:39AMSunset 7:07PM Saturday March 28, 2020 11:05 AM PDT (18:05 UTC) Moonrise 9:15AMMoonset 11:11PM Illumination 22% Phase: Waxing Crescent; Moon at 5 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- 216 Am Pdt Sat Mar 28 2020
Today..Wind variable less than 10 kt...becoming W 10 kt in the afternoon. Wind waves 2 ft or less. SWell W 3 to 4 ft at 7 seconds.
Tonight..Wind nw to 10 kt. Gusts to 15 kt after midnight. Wind waves 2 ft or less. SWell W 2 to 3 ft at 7 seconds. Slight chance of showers after midnight.
Sun..Wind W 10 to 20 kt. Wind waves 2 ft or less... Becoming 3 to 4 ft in the afternoon. SWell W 3 to 4 ft at 6 seconds. Slight chance of showers.
Sun night..Wind nw 10 to 20 kt. Wind waves 4 ft. SWell W 4 ft at 6 seconds. Slight chance of showers.
Mon..Wind W to 10 kt. Wind waves 2 ft or less. SWell W 3 to 4 ft at 6 seconds.
Mon night..Wind nw 10 kt in the evening...becoming variable less than 10 kt. Wind waves 2 ft or less. SWell W 3 ft.
Tue..Wind variable less than 10 kt...becoming nw 10 kt in the afternoon. Wind waves 2 ft or less. SWell W 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...becoming sw 10 kt in the afternoon. Wind waves 2 ft or less. SWell W 2 ft.
Wed night..Wind variable less than 10 kt. Wind waves 2 ft or less. SWell W 2 ft.
PZZ700 216 Am Pdt Sat Mar 28 2020
Synopsis for the far southern california coast.. At 2 am, a 1033 mb high was about 1200 nm west of san diego and a 1014 mb low was over the four corners region. Weak to moderate onshore flow will prevail through Sunday morning. Northwest winds will increase Sunday afternoon and evening, with peak gusts up to 25 kts possible, along with isolated showers. Winds will diminish by Monday morning.


7 Day Forecast for Marine Location Near Coronado, CA
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location: 32.72, -117.21     debug


Area Discussion for - San Diego, CA
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FXUS66 KSGX 281641 AFDSGX

Area Forecast Discussion National Weather Service San Diego CA 941 AM PDT Sat Mar 28 2020

SYNOPSIS. Fair and dry weather today will give way to increasing clouds and a chance for showers as a weak trough drops south over the West. Precipitation will be light, with the best chance over the mountains where snow is expected above 5500 feet. Some gusty westerly winds will develop over the mountains and deserts as well Sunday night. Fair, dry, and warmer weather develops on Monday and persists through much of the new week under northwest flow aloft.

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

. Update .

Tranquil weather will prevail today as temps start to warm under partial sun (under some high level cloudiness). It was a cold morning with 30s over the inland valleys and the high desert. Teens and 20s in the mountains. 40s near the coast and the lower deserts. No changes were needed to the forecast this morning. See previous discussion below for further forecast details.

. Previous Discussion (Issued at 215 AM PDT Sat Mar 28 2020) .

Other than some patchy low clouds along the coast, skies were clear over SoCal at 2 AM PDT. A veil of higher clouds in advance of a weak trough off the PacNW was visible approaching the Central Coast. Weak to moderate onshore sfc pressure gradients were in place over the region, keeping onshore flow and a moderately deep marine layer west of the mts.

Weak ridging aloft will quickly fade today, as yet another trough slides SE along the Coast, and across SoCal Sunday night. There appears to be sufficient moisture and lift for scattered showers to break out, with some enhancement over our mountains, where upslope flow will contribute. The westerly winds will become gusty over the ridges, desert slopes and deserts from Sunday evening through early Monday morning but likely remain just below Advisory criteria.

The trough will slide well east of the area on Monday, allowing a substantial increase in atmospheric heights/thickness and lighter winds. Some warming will be felt on Monday afternoon, but will it will be more noticeable on Tuesday, when afternoon temperatures will climb above average for the first time in a couple of weeks for many areas.

Weak ridging over the EastPac, and troughing over the lower 48, maintains a dry northwest flow aloft over CA most of next week. It should be a quiet period in an otherwise traditionally stormy part of the year. The marine layer will be challenged next week, until perhaps late in the week, when some weak troughing aloft redevelops over the West. This would support slightly better onshore flow. The model solutions seem more unstable beyond next week, with a number of cutoff systems and higher amplitude waves emerging over the EastPac.

AVIATION. 281530Z . Coast/Valleys . FEW-SCT clouds at/above 20,000 ft MSL with unrestricted vis through today. SCT-BKN clouds expected after 07Z Sunday, with bases 2500-3000 ft MSL.

Mountains/Deserts . High clouds at/above 20,000 ft MSL with unrestricted vis through tonight.

MARINE. No hazardous marine weather is expected through Sunday morning. Northwest winds will increase Sunday afternoon and evening, with gusts up to 25 kts possible, producing hazardous conditions for small craft at times. Winds will weaken by Monday morning.

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 . Gregoria (Update)/10 (Prev Discussion) AVIATION/MARINE . PG


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
SDBC1 - 9410170 - San Diego, CA 2 mi54 min 63°F1023 hPa
LJPC1 - La Jolla, CA (073) 10 mi46 min WSW 4.1 G 7 3 ft
LJAC1 - 9410230 - La Jolla, CA 10 mi54 min WSW 6 G 7 57°F 60°F1022.7 hPa
46254 11 mi36 min 61°F3 ft
TIXC1 - Tijuana River Reserve, CA 11 mi81 min ESE 1 60°F 1023 hPa45°F
46258 16 mi36 min 60°F4 ft
46266 17 mi36 min 56°F 60°F3 ft
46225 - Torrey Pines Outer, CA (100) 18 mi36 min 58°F3 ft
46232 - Point Loma South, CA (191) 18 mi36 min 61°F4 ft
46224 - Oceanside Offshore, CA (045) 35 mi36 min 60°F3 ft
46086 - San Clemente Basin 47 mi26 min W 9.7 G 12 58°F 1023.3 hPa47°F

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, CA1 mi74 minSSE 310.00 miA Few Clouds56°F41°F57%1022.8 hPa
San Diego, San Diego International-Lindbergh Field, CA2 mi75 minN 010.00 miA Few Clouds59°F41°F51%1023.5 hPa
San Diego, Montgomery Field, CA9 mi73 minWSW 410.00 miFair57°F42°F58%1022.7 hPa
Imperial Beach Naval Outlying Field - Ream Field, CA11 mi70 minno data10.00 miFair0°F0°F%1023.4 hPa
San Diego, Miramar MCAS/Mitscher Field Airport, CA12 mi71 minSW 310.00 miFair59°F44°F58%1022.4 hPa
Gillespie Field Airport, CA15 mi79 minN 010.00 miClear54°F39°F58%1023 hPa
San Diego, Brown Field Municipal Airport, CA16 mi73 minSE 310.00 miFair56°F42°F60%1022.7 hPa

Link to 5 minute data for KNZY

Wind History from NZY (wind in knots)
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Last 24hrNW5W76W7NW76W7W7W6W4CalmCalmE5E6E3E3E3E3E3E3E33S3S5
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NW12NW13NW4NW13--NW10NW13E7E6SE6E4E6S6S4
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NW3W3W8W5W7NW16NW14NW16NW16NW14NW13NW14NW12NW8NW8NW15
G19

Tide / Current Tables for San Diego, San Diego Bay, California
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.


Tide / Current Tables for San Diego Bay Entrance, California Current
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San Diego Bay Entrance
Click for Map
Sat -- 03:25 AM PDT     -1.57 knots Max Ebb
Sat -- 06:41 AM PDT     Sunrise
Sat -- 06:48 AM PDT     0.00 knots Slack
Sat -- 09:14 AM PDT     Moonrise
Sat -- 09:28 AM PDT     0.94 knots Max Flood
Sat -- 12:42 PM PDT     -0.00 knots Slack
Sat -- 03:37 PM PDT     -0.87 knots Max Ebb
Sat -- 06:14 PM PDT     0.00 knots Slack
Sat -- 07:06 PM PDT     Sunset
Sat -- 09:10 PM PDT     1.01 knots Max Flood
Sat -- 11:11 PM PDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.1-0.7-1.2-1.5-1.5-1.1-0.50.10.60.90.90.70.3-0.1-0.5-0.8-0.8-0.6-0.10.40.810.90.6

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 (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 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.