Wednesday, November20, 2019 L-36.com


Marine Weather and Tides
Dana Point, CA

Version 3.4
NOTICE
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.
6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 6:25AMSunset 4:47PM Wednesday November 20, 2019 6:55 AM PST (14:55 UTC) Moonrise 12:44AMMoonset 2:21PM Illumination 40% Phase: Third Quarter Moon; Moon at 23 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- 204 Am Pst Wed Nov 20 2019
.small craft advisory in effect through this evening...
Today..Wind W 10 to 20 kt with gusts to 25 kt. Wind waves 4 ft. SWell W 5 to 7 ft at 12 seconds. Slight chance of tstms in the morning. Showers. Chance of tstms in the afternoon.
Tonight..Wind W 10 to 15 kt with gusts to 20 kt. Wind waves 3 ft. SWell W 6 to 8 ft at 12 seconds. Showers likely and slight chance of tstms in the evening, then showers after midnight.
Thu..Wind sw 10 kt in the morning...becoming variable less than 10 kt. Wind waves 2 ft or less. SWell W 4 to 6 ft at 12 seconds. Showers likely in the morning, then chance of showers in the afternoon.
Thu night..Wind variable less than 10 kt...becoming se 10 kt after midnight. Wind waves 2 ft or less. SWell W 3 to 5 ft at 12 seconds. Slight chance of showers in the evening.
Fri..Wind se 10 kt in the morning...becoming variable less than 10 kt. Wind waves 2 ft or less. SWell W 2 to 4 ft at 11 seconds.
Fri night..Wind variable less than 10 kt. Wind waves 2 ft or less. SWell W 2 to 3 ft.
Sat..Wind E 10 kt...becoming nw in the afternoon. Wind waves 2 ft or less. SWell W 1 to 3 ft.
Sat night..Wind nw 10 kt in the evening... Becoming 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 variable less than 10 kt. Wind waves 2 ft or less. SWell W 2 to 3 ft.
PZZ700 204 Am Pst Wed Nov 20 2019
Synopsis for the far southern california coast.. At 2 am a low pressure system was pushing into the southern california coastal waters. This will bring hazardous boating conditions today in the form of strong westerly winds and choppy seas. Showers and some Thunderstorms are also expected today, with showers continuing into Thursday. Winds decrease late today while seas subside Thursday. Weak flow and light winds are expected Friday through the weekend.


7 Day Forecast for Marine Location Near Dana Point city, CA
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location: 33.45, -117.68     debug


Area Discussion for - San Diego, CA
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ftp://tgftp.nws.noaa.gov/data/raw/fx/fxus66.ksgx.afd.sgx.txt <- there really should be an address herer AEFXUS66 KSGX 201209 AFDSGX Area Forecast Discussion National Weather Service San Diego CA 409 AM PST Wed Nov 20 2019

SYNOPSIS A cold low pressure system will move across southern California today bringing much cooler weather with numerous showers and a chance of thunderstorms, snow in the mountains above 5000 to 5500 feet, and with gusty south to southwest winds. Periods of showers will continue tonight with decreasing coverage for Thursday into Thursday evening. Warmer and dry for the weekend with high temperatures returning to around average. Cooler and breezy to windy the early to middle part of next week with some possiblity of precipitation as a northwest flow pattern develops across southern California.

DISCUSSION FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE...

SAN DIEGO... WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO COUNTIES...

SHORT TERM (Today through Friday) A cold low pressure system, centered near Point Conception early this morning, will move slowly eastward across southern California today to near Las Vegas tonight into Thursday morning. It will then move eastward and weaken Thursday and Thursday night.

Showers will become more numerous this morning, mostly along and west of the mountains. Another round of more intense showers will move inland from the coastal waters to the mountains during the afternoon as the coldest air aloft moves across southwestern California with most unstable CAPE values increasing to around 750 J kg across the coastal waters and adjacent coastal areas.

Periods of showers will continue tonight with decreasing coverage and precipitation amounts for Thursday into Thursday evening.

There will be gusty south to southwest winds today with peak gusts around 30 mph for coastal areas and near 50 mph along the desert slopes of the mountains.

It will be significantly cooler today with high temperatures generally 15 to 25 degrees cooler than yesterday. This will be followed by gradual warming on Thursday and Friday with the greatest warming in the mountains and valleys.

On Friday, the models are closer to the placement of a closed upper low expected to develop well off the coast of southern California and northern Baja, with it far enough west to keep southern California dry on Friday.

LONG TERM (Saturday through Tuesday) That closed upper low should stay far enough off the coast for the weekend into early next week to have little or no impact on southern California. The weekend should be dry and warmer with high temperatures returning to around average.

For the early to middle part of next week a generally northwest flow pattern will developing across the eastern Pacific into the western states. It should be cooler and breezy to windy. There is less agreement in the timing, amplitude, and track of low pressure systems moving along in this northwest flow with some potential for precipitation the early to middle part of next week. The lower level flow could turn briefly offshore between systems.

AVIATION 201040Z... Cloud bases varying between 2000-3500 feet MSL, but as low as 1500 feet and 3-5SM vis in heavier SHRA. Terrain between these elevations obscured. Widespread -SHRA to increase this morning, but with CIGS and vis improving during the day. Chance of TSRA. Strong westerly winds 15-25 kts, with some higher gusts along the coast.

Winds in mountains and deserts 20-30 kts gusting to 50 kts and moderate up downdrafts east of the ridges and into the lower deserts. Winds decreasing after 23Z and -SHRA decreasing somewhat after 05Z tonight.

MARINE A Small Craft Advisory is in effect through 10 PM for strong winds and hazardous seas. Some gusts in the outer waters will reach 30 kts. Winds will decrease some late in the day, but seas will remain rather high into Thursday. Some thunderstorms are expected today and a Marine Weather Statement contains the details on those hazards.

While showers continue into Thursday, no additional marine weather hazards are expected Thursday through Saturday.

BEACHES A Beach Hazard Statement is in effect through noon Thursday for a high rip current risk and hazardous swimming conditions. There is also a chance of thunderstorms and lightning strikes today.

HYDROLOGY A cold low pressure system, centered near Point Conception early this morning, will move slowly eastward across southern California today to near Las Vegas tonight into Thursday morning. It will then move eastward and weaken Thursday and Thursday night.

Showers will become more numerous this morning, mostly along and west of the mountains. Another round of more intense showers will move inland from the coastal waters to the mountains during the afternoon as the coldest air aloft moves across southwestern California with most unstable CAPE values increasing to around 750 J kg across the coastal waters and adjacent coastal waters. The NBM three-hour thunderstorm PoPs peak at near 35 to 40 percent over the San Diego County coastal waters during the afternoon.

Periods of showers will continue tonight with decreasing coverage and precipitation amounts for Thursday into Thursday evening.

Through Thursday evening, additional rainfall in San Diego County is expected to range from around one inch near the coast, to 1.5 to 2.5 inches in the valleys, and 2.5 to 3.5 inches in the mountains with local amounts exceeding 4 inches.

Amounts will generally decrease to the northwest across Orange County, the Inland Empire, and adjacent mountains with one half to one inch across the Orange County coastal plain and Inland Empire with 1.5 to 2.5 inches in the mountains. Additional rainfall in the deserts will mostly be one quarter inch or less.

Peak rainfall rates of around one half inch per hour are possible this afternoon with thunderstorms and the more intense showers.

This locally heavy rainfall could result in localized flash flooding, including in and near recent burn scars.

The snow level will fall to around 5500 feet for this afternoon into Thursday morning before rising to around 6500 feet for Thursday afternoon. In the mountains of San Bernardino and Riverside Counties, a few inches of snowfall is possible down to around 5500 to 6000 feet with a foot or more possible on the higher peaks.

SKYWARN Skywarn activation may be needed from late morning through the afternoon for areas along and west of the mountains, especially for San Diego County. Weather spotters are encouraged to report significant weather conditions.

SGX WATCHES WARNINGS ADVISORIES CA... Flash Flood Watch through late tonight for Riverside County Mountains-San Bernardino County Mountains-San Bernardino and Riverside County Valleys-The Inland Empire-San Diego County Coastal Areas-San Diego County Mountains-San Diego County Valleys-Santa Ana Mountains and Foothills.

Winter Storm Warning from 7 AM this morning to 7 PM PST Thursday for Riverside County Mountains-San Bernardino County Mountains.

Beach Hazards Statement through Thursday morning for Orange County Coastal Areas-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 HYDROLOGY... 17 AVIATION MARINE... MM
Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46224 - Oceanside Offshore, CA (045) 22 mi55 min 64°F7 ft
46253 28 mi55 min 65°F8 ft
PRJC1 33 mi55 min W 19 G 23
46256 33 mi55 min 63°F5 ft
PFXC1 35 mi55 min W 9.9 G 14
AGXC1 35 mi55 min WSW 15 G 19
46222 - San Pedro, CA (092) 36 mi32 min 65°F9 ft
PSXC1 36 mi55 min W 9.9 G 17
PFDC1 36 mi55 min SW 16 G 19
OHBC1 - 9410660 - Los Angeles, CA 37 mi55 min 1001.3 hPa (+0.6)
BAXC1 37 mi67 min S 15 G 16
PXAC1 38 mi55 min WSW 11 G 16
46225 - Torrey Pines Outer, CA (100) 39 mi55 min 63°F8 ft
LJPC1 - La Jolla, CA (073) 46 mi35 min W 8.9 G 26 7 ft
LJAC1 - 9410230 - La Jolla, CA 46 mi61 min WNW 11 G 23 58°F 62°F1002.9 hPa
46254 46 mi57 min 60°F 64°F7 ft
46258 49 mi55 min 65°F8 ft

Wind History for Los Angeles Pier J, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Mcolf Camp Pendleton (Red Beach), CA17 mi2 hrsWSW 10 G 1710.00 miLight Rain59°F51°F75%1010.5 hPa
John Wayne-Orange County Airport, CA19 mi62 minSSW 610.00 miMostly Cloudy60°F48°F65%1001 hPa
Oceanside, Camp Pendleton, Marine Corps Air Station, CA20 mi2 hrsSW 12 G 186.00 miLight Rain57°F48°F74%1002 hPa
Oceanside, Oceanside Municipal Airport, CA24 mi63 minSW 710.00 miMostly Cloudy56°F50°F81%1002.1 hPa

Link to 5 minute data for KSNA

Wind History from SNA (wind in knots)
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Last 24hrCalmNW3CalmCalmSW10SW11S10S9S7SE8S7SE7S8SE7SW7S5SE6S84SW8S7W66
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1 day agoNE5CalmCalmCalm335SW6SW8SW9S4E3NE3S5SW3CalmNW4CalmCalmS5CalmCalmCalmCalm
2 days agoCalmSW4CalmCalmSW8S9SW5SW7S9SW4S4CalmCalmCalmCalmNE3CalmNE3CalmSW3CalmCalmCalmCalm

Tide / Current Tables for San Clemente, California
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San Clemente
Click for Map
Wed -- 04:29 AM PST     4.30 feet High Tide
Wed -- 06:26 AM PST     Sunrise
Wed -- 10:04 AM PST     2.33 feet Low Tide
Wed -- 01:20 PM PST     Moonset
Wed -- 03:32 PM PST     4.39 feet High Tide
Wed -- 04:45 PM PST     Sunset
Wed -- 10:26 PM PST     0.11 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.42.33.23.94.34.33.93.42.92.52.32.52.93.444.34.443.32.31.40.60.20.2

Tide / Current Tables for Newport Beach, Newport Bay Entrance, Corona del Mar, California (sub)
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.


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 (9,2,3,4)
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Ground Weather Radar Station Santa Ana Mtns, CA
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