Tuesday, July14, 2020
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Marine Weather and Tides
Summerland, 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 5:55AMSunset 8:13PM Monday July 13, 2020 11:41 PM PDT (06:41 UTC) Moonrise 12:58AMMoonset 1:55PM Illumination 36% Phase: Waning Crescent; 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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PZZ650 East Santa Barbara Channel From Pt. Conception To Pt. Mugu Ca Including Santa Cruz Island- 804 Pm Pdt Mon Jul 13 2020
Tonight..W winds 10 to 15 kt, becoming variable 10 kt or less after midnight. Wind waves 2 ft or less. W swell 2 to 4 ft at 7 seconds. Patchy fog after midnight.
Tue..Winds variable 10 kt or less, becoming W 10 to 15 kt in the afternoon. Wind waves 2 ft or less. W swell 2 to 4 ft at 9 seconds. Patchy fog in the morning.
Tue night..W winds 10 to 15 kt, becoming 5 to 10 kt after midnight. Wind waves 2 ft or less. W swell 2 to 4 ft at 6 seconds. Patchy fog after midnight.
Wed..W winds 5 to 10 kt, becoming W 10 to 15 kt in the afternoon. Wind waves 2 ft or less. W swell 2 to 4 ft at 6 seconds. Patchy fog in the morning.
Wed night..W winds 10 to 15 kt, becoming nw 5 to 10 kt after midnight. Wind waves 2 ft or less. W swell 2 to 4 ft at 7 seconds. Patchy fog after midnight.
Thu..Winds variable 10 kt or less, becoming W 10 to 15 kt in the afternoon. Wind waves 2 ft or less. W swell 2 ft at 9 seconds. Patchy fog in the morning.
Thu night..W winds 10 to 15 kt, becoming 5 to 10 kt after midnight. Wind waves 2 ft or less. W swell 2 ft at 10 seconds. Patchy fog after midnight.
Fri..W winds 10 to 15 kt. Wind waves 2 ft or less. W swell 2 ft. Patchy fog.
Sat..W winds 10 to 15 kt. Wind waves 2 ft or less. W swell 2 to 3 ft. Patchy fog.
PZZ600 804 Pm Pdt Mon Jul 13 2020
Synopsis for the southern california coast and santa barbara channel including the channel islands national marine sanctuary and national park..At 03z, or 8 pm pdt, a 1027 mb high pressure system was centered 1100 nm west of san francisco and a 997 mb thermal low was over southern nevada. The high will remain nearly stationary through the week before moving northward this weekend. Gusty winds and steep seas will affect the coastal waters from point conception to san nicolas island through tonight. There is a chance of patchy dense fog across the waters through Tuesday morning.


7 Day Forecast for Marine Location Near Summerland, CA
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location: 34.4, -119.6     debug


Area Discussion for - Los Angeles/Oxnard, CA
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FXUS66 KLOX 140415 AFDLOX

Area Forecast Discussion . UPDATED National Weather Service Los Angeles/Oxnard CA 915 PM PDT Mon Jul 13 2020

SYNOPSIS. 13/340 PM.

A cooling trend will continue through mid week with daytime highs near to slightly below normal. Night through morning low clouds will push onshore and into the coastal valleys each night, then clear to near the coast each day by noon. A slight warming trend is expected by later in the week.

SHORT TERM (MON-THU). 13/912 PM.

The strong upper high that has been responsible for the significant heat has begun to move eastward as a broad trough moves through the Pacific Northwest. As a result, heights have lowered and onshore flow has increased. There was significant cooling across the region today, especially away from the coast where temperatures ranged on average 6-12 degrees cooler than yesterday. The interior of SLO County saw even more cooling, up to 20 degrees in some spots. With onshore gradients about 1 mb stronger than last evening, still seeing some gusty winds in the Antelope Valley this evening but largely below advisory level, except for local gusts to 45 mph around Lake Palmdale. There are also breezy sundowner winds over the Santa Barbara South Coast, mainly west of Gaviota but also expected to remain below advisory level.

The marine layer is around 1300 feet deep and stratus has already pushed into the Central Coast and the southern tip of LA County. Low clouds are expected to cover all the coastal areas overnight and likely into the lower coastal valleys as well by the morning.

More cooling is expected Tuesday and temperatures will be near or slightly below normal. Otherwise no changes to the forecast.

***From Previous Discussion***

Today's drop in temps will be the biggest single day change of the week, though we will continue to see slightly cooler temps each of the next few days. By tomorrow temps will be very close to normal levels then falling slightly below normal Wed/Thu. Marine layer clouds expected to push a little farther inland tonight reaching most of the coastal valleys and including the southern Salinas Valley. Then similar coverage each of the next couple nights.

LONG TERM (FRI-MON). 13/137 PM.

Overall pretty low impact weather expected for the end of the week into early next week. High pressure is expected to expand back towards the west over the weekend but not nearly as strong as it did the last few days and there's still a decent onshore flow in place through the period. So a modest warm up expected for interior areas mostly but not anywhere close to the kind of heat we saw the last couple days. In general, very typical early-mid summer weather.

So far still not seeing any signs of monsoon flow coming this far west at least through early next week. There are hints of some moisture coming into southeast California by around the middle of next week but with the trough lingering just west of the California coast that moisture will struggle to make it far enough west to have any impact across LA County or areas to the west/north.

AVIATION. 14/0052Z.

At 23z at KLAX . The marine layer was around 1050 feet deep. The top of the inversion was around 2950 feet with a temperature of about 27 degrees Celsius.

Overall . Moderate to high confidence in the current TAFs. LIFR/IFR conditions are likely at KSBP and KSMX 04z-20z and at KPRB 11z-19z. IFR/MVFR conditions are likely at coastal sites south of Point Conception 04z-22z and at adjacent valley sites 10z-21z. Otherwise and elsewhere VFR conditions will prevail.

KLAX . Moderate confidence in the current TAF. IFR/MVFR conditions are likely 05z-21z. Otherwise VFR conditions will prevail. There will not be any east winds greater than 8 kts during the forecast period.

KBUR . Moderate confidence in the current TAF. IFR/MVFR conditions are likely 10z-21z. Otherwise VFR conditions will prevail.

MARINE. 13/746 PM.

Winds across the northern portion of the outer waters along Central Coast have diminished this evening. Seas have also diminished so have cancelled the Small Craft Advisory (SCA) for this area. There may be some local SCA gusts through tonight. Winds still remain gusty farther south near Point Conception to San Nicolas Island, so will keep those SCAs in tact. High confidence that SCA level winds will continue through late tonight for these waters. Winds from Point Conception to San Nicolas Island will likely remain elevated on Tuesday, but moderately confident that they will largely remain below SCA level. The strongest winds will occur during the evening hours and local gusts to 25 kt are possible. Otherwise, high confidence that winds and seas will remain below SCA level from Tuesday through the rest of the week across all waters.

Patchy dense fog with visibility of one nautical mile or less is possible across the waters tonight through Tuesday morning.

LOX WATCHES/WARNINGS/ADVISORIES. CA . NONE. PZ . Small Craft Advisory in effect until 3 AM PDT Tuesday for zones 673-676. (See LAXMWWLOX).

.HAZARD POTENTIAL OUTLOOK (THU-MON).

No significant hazards expected.



PUBLIC . MW/Stewart AVIATION . Kj MARINE . Stewart SYNOPSIS . MJ

weather.gov/losangeles


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
NTBC1 - Santa Barbara, CA - 9411340 5 mi186 min 1012.5 hPa
46053 - E. SANTA BARBARA - 12NM Southwest of Santa Barbara, CA 17 mi42 min WSW 14 G 18 59°F 1013.7 hPa (+1.0)58°F
46251 44 mi46 min 71°F4 ft
46054 - SANTA BARBARA W 38 NM West of Santa Barbara, CA 47 mi42 min WNW 21 G 25 56°F 1014.3 hPa (+1.3)53°F

Wind History for Santa Barbara, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Santa Barbara, Santa Barbara Municipal Airport, CA12 mi49 minE 68.00 miFair62°F57°F86%1012.9 hPa

Link to 5 minute data for KSBA

Wind History from SBA (wind in knots)
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Last 24hrE6E6E8E5E4N4SW3CalmCalmS4S6SE8S6SW8SW7SW7W7SW7SW5S4S3SE4E6E6
1 day agoE5E6E5E5E5E4CalmCalmCalmSW436SW5SW7W10SW7SW10SW9SW4S3SE4E4E6E6
2 days agoSE3CalmSE3SE4E4E4S3SE3E5CalmS5SE5W4W10W10W13SW8SW105SW5W3CalmSE3E4

Tide / Current Tables for Santa Barbara, Pacific Ocean, 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 Rincon Island, Mussel Shoals, California
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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 Los Angeles/Oxnard, CA (2,6,7,8)
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Ground Weather Radar Station Los Angeles, 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.