Saturday, January16, 2021
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Marine Weather and Tides
Templeton, 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 7:09AMSunset 5:15PM Saturday January 16, 2021 12:06 AM PST (08:06 UTC) Moonrise 9:50AMMoonset 9:04PM Illumination 9% Phase: Waxing Crescent; Moon at 3 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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PZZ645 Point Piedras Blancas To Point Sal Westward Out To 10 Nm- 904 Pm Pst Fri Jan 15 2021
.small craft advisory in effect from Saturday morning through late Sunday night...
Tonight..N winds 10 to 15 kt. Wind waves 2 ft or less. W swell 6 to 8 ft at 12 seconds.
Sat..NW winds 15 to 20 kt. Combined seas 11 to 12 ft dominant period 13 seconds.
Sat night..NW winds 15 to 20 kt with gusts to 25 kt in the evening, becoming N 10 to 15 kt. Combined seas 11 to 12 ft dominant period 16 seconds, subsiding to 9 to 11 ft dominant period 16 seconds after midnight.
Sun..N winds 10 to 15 kt. Wind waves 2 ft or less. NW swell 8 to 10 ft at 16 seconds.
Sun night..N winds 5 to 10 kt. Wind waves 2 ft or less. NW swell 9 to 11 ft at 17 seconds.
Mon..N winds 10 to 15 kt, becoming 15 to 20 kt in the afternoon. Wind waves 2 to 3 ft. NW swell 11 to 13 ft at 0 seconds.
Mon night..N winds 15 to 25 kt. Combined seas 11 to 12 ft dominant period 17 seconds.
Tue..NE winds 10 to 20 kt with gusts to 25 kt. Wind waves 2 to 4 ft. W swell 7 to 9 ft.
Wed..N winds 10 to 15 kt. Wind waves 2 ft or less. W swell 6 to 8 ft.
PZZ600 904 Pm Pst Fri Jan 15 2021
Synopsis for the southern california coast and santa barbara channel including the channel islands national marine sanctuary and national park..At 04z, or 8 pm pst, a 1030 mb high pressure center was located 250 nm northwest of eureka california with a 982 mb low pressure center located in the gulf of alaska. A large northwest swell will arrive this weekend bringing hazardous seas.


7 Day Forecast for Marine Location Near Templeton, CA
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location: 35.56, -120.71     debug


Area Discussion for - Los Angeles/Oxnard, CA
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FXUS66 KLOX 160533 AFDLOX

Area Forecast Discussion National Weather Service Los Angeles/Oxnard CA 933 PM PST Fri Jan 15 2021

SYNOPSIS. 15/751 PM.

There will be gusty north to northeast winds through Sunday with the potential for very strong northeast winds Tuesday and Wednesday, especially across Los Angeles and Ventura counties. Temperatures will be well above normal through Sunday, then much cooler starting Monday.

SHORT TERM (FRI-MON). 15/925 PM.

Offshore flow remains in place beneath an upper-level ridge of high pressure off the California coast. The ridge center near 30N and 130W will pull farther west through Saturday, while offshore flow weakens some. Declining 500 mb heights should bring slight cooling for Saturday, but temperatures will still remain well above normal for Saturday. Gusty offshore winds will remain in play for tonight and Saturday. Santa Lucia winds are developing across the Central Coast this evening and are expected to expand similar to what high-resolution models suggest. A wind advisory was added for the San Luis Obispo County Central Coast and mountains.

Farther south into Los Angeles and Ventura Counties, gusty north to northeast winds already starting to tick up in the mountains tonight, will turn more northeasterly Saturday morning, and descend down into the coast and valley areas as the day progresses. A wind advisory was also added for these areas starting later tonight in the mountains, then added for the coastal and valley areas after sunrise Saturday. Winds will likely diminish some in the late afternoon and early evening hours Saturday but will increase again Saturday evening through Sunday.

Sundowner winds will be watched closely late this evening as KSBA-KBFL surface pressure gradient hit -7.5 mb, putting it on the upper end of Sundowner gradient studies for the Montecito area. Not a lot of wind support above the surface exists and local WRF solutions suggest marginal winds in the Santa Ynez Mountain range, but a gradient this tight has the potential for gusty winds developing across southern Santa Barbara County.

Skies will remain clear for the most part, except for high-level cirrus clouds streaming over the area. There is a moderate chance for patchy fog in the Salinas River Valley tonight as moisture trapped in the valley could lead to low clouds and dense fog. Patchy dense fog was added in the latest update, but future shifts may need to address this further if conditions become more favorable.

***From Previous Discussion***

An exceptionally warm day across SW CA today, particularly over VTU/L.A. Counties where temps have reached the mid 80s to low 90s across many of the vly and coastal areas. There have been 7 records highs thus far including Downtown L.A. which has reached at least 86 (old record 85 set in 2014), and Camarillo airport which reached 94 degrees (old record 88 set in 1975). The high at Camarillo also tied the January record with January 31, 2003. Temps could still go up another degree or so before mid afternoon.

Mostly sunny skies covered the forecast area early this afternoon with just a few thin hi clouds at times. Little change is expected thru sunset. Good offshore pressure gradients to the N and E continued early this afternoon (at 22Z LAX-BFL -5.1 mb and LAX- DAG -5.6 mb) which were helping to drive gusty N to NE winds across many of the wind-prone areas of VTU/L.A. Counties. Isolated gusts over 50 mph have been noted in the foothills and mtns of VTU/L.A. Counties, but overall the gusts have been generally in the 30 to 40 mph range. The gusty winds will gradually diminish thru the afternoon, and the Wind Advisory in effect for many of these areas will likely be allowed to expire at 3 PM PST.

An unseasonably strong 591 dm upper level high was about 300 NM SW of Point Conception early this afternoon. This high will move little the rest of today then drift slowly W tonight thru Sun. H5 heights over the forecast area around 588-590 dm this afternoon will drop to 584-586 dm on Sat, then fall further to about 581-583 dm on Sun. It looks like a sharp upper level trof will move into northern CA Sun night, then strengthen into an upper level low while pushing quickly thru swrn CA Mon morning, and south to a position off the northern Baja coast Mon afternoon.

For tonight thru Mon, mostly clear skies will continue altho there may be a few more hi clouds at times especially by Mon. Decent offshore pressure gradients will persist to the N and E thru Sun, with gradients to the N peaking late tonight (NAM fcst LAX-BFL -6.8 mb at 12Z Sat) and gradients to the E peaking late Sat night (NAM fcst LAX-DAG around -7.1 mb at 12Z Sun). There will also be strong N gradients across srn SBA County this evening (e.g., NAM fcst SBA-BFL -6.0 mb at 06Z this evening). Gusty N to NE winds will continue across the region thru Sun, with the strongest winds expected Sat night into Sun morning across portions of VTU/L.A. Counties and additional Wind Advisories may be needed. Support for widespread Advisory level winds tonight thru Sat is not that impressive, but there will probably be local Advisory level gusts at times in the wind-prone areas. There may also be gusty N winds developing in the L.A./VTU County mtns and vlys Mon morning thru the afternoon, possibly to Advisory levels.

It will turn a couple of degrees cooler Sat but remain much above normal with the warmest vlys and inland coastal areas topping out in the 80s. On Sun, temps will drop a few more degrees with highs in the warmest vlys and inland coastal areas reaching the upper 70s to lower 80s, still 8-18 deg above normal. The hottest spot in the continental U.S. will certainly be somewhere in southern California each day thru the weekend. It will turn cooler still on Mon but remain a few degrees above normal with highs for many vlys and coastal areas in the 70s.

LONG TERM (TUE-FRI). 15/217 PM.

There is quite a bit of uncertainty in the extended fcst as the deterministic EC and GFS differ in the evolution of a larger upper level low off of nrn Baja. Another upper level trof will move out of the Great Basin Mon night and merge with the upper low off of Baja on Tue, but the models differ in just how this will happen including how fast the energy from the Great Basin merges with the base of the upper level trof. At any rate, by Tue there will be a large upper level low S of the fcst area. It does appear that some wrap-around moisture will move into eastern L.A. County Mon night thru Tue night, with a chance of rain an mtn snow along the N mtn slopes and possibly the L.A. County coast. The upper level low will remain S of the forecast area thru Wed (EC furthest S with this feature) then this system should move E Wed night and Thu altho the EC is much slower. Both the EC and GFS do evolve a large upper level trof along the W coast by Fri with some rain and mtn snow moving into swrn CA, at least by the afternoon. However, the GFS is the wetter of the two models. Decided to go with the NBM for the extended with regard to pcpn chances due to the major uncertainties.

Of more importance, the GFS and EC do forecast strong offshore gradients mainly to the E Mon night into Tue, with the GFS predicting the LAX-DAG pressure gradient to be -9.2 mb at 12Z Tue, while the EC forecasts it to be -7.2 mb. There is support for widespread strong and potentially damaging N to NE winds over the many parts of VTU/L.A. Counties Mon night and Tue. There are indications that gusty Advisory-level winds may even impact much of coastal L.A. County east of Mailbu and out to Catalina Island. We are keeping a close eye to this developing strong wind event. There will likely be High Wind watches issued for this event by late in the weekend.

Temperatures across the region will turn much cooler on Tue, closer to seasonal norms, then remain near or slightly above normal Wed and Thu before falling to several degrees below normal for many areas on Fri.

AVIATION. 16/0213Z.

At 01Z, the marine layer depth was near 200 feet deep at KLAX. The top of the marine inversion was around 1200 feet with a temperature near 28 degrees Celsius.

Moderate to high confidence in the current forecast. VFR conditions are expected through the period, except for a moderate (40-50 percent) chance of VLIFR to LIFR conditions at KPRB between 10Z and 18Z. There is a low (20-30 percent) chance of moderate low-level wind shear and turbulence.

KLAX . VFR conditions are expected through the period. There is a extremely low (10-20 percent) chance of moderate low-level wind shear and turbulence.

KBUR . VFR conditions are expected through the period. There is a low (20-30 percent) chance of moderate low-level wind shear and turbulence.

MARINE. 15/932 PM.

Across the Outer Waters . Gusty northwest wind and hazardous seas will reach Small Craft Advisory (SCA) level tonight and continue through at least Tuesday. There is a forty percent chance of gale winds on Saturday and again Monday night and Tuesday. Mariners should use extra caution crossing the Morro Bay Harbor entrance Saturday afternoon through Monday.

For the Inner Waters North of Point Sal . The wind will reach SCA level Saturday night with is a thirty percent chance that northeast winds off the Santa Lucia Mountains could bring early morning SCA level winds nearshore Saturday morning. The wind will increase to SCA level again Monday night and Tuesday. SCA level hazardous seas will move through the waters Saturday through Monday.

For the Inner Waters South of Point Conception . Northeast wind gusts to SCA level will occur across the waters from Point Mugu to Santa Monica out to around Anacapa Island in the morning through mid afternoon hours Saturday and Sunday. The wind is also likely to reach SCA level at times Monday night through Wednesday. Hazardous seas may reach 10 feet across the western portion of the inner Santa Barbara Channel on Monday.

BEACHES. 15/754 PM.

A long period west to northwest swell will move through the coastal waters Saturday into early next week resulting in high surf and dangerous rip currents on all west and northwest facing beaches.

For the Central Coast . a large northwest swell will move into the coastal waters late this evening and into the weekend bringing two peaks of high surf including Saturday afternoon and evening and again on Monday. There is a forty percent chance that a High Surf Warning will be needed for the Central Coast on Monday as dangerous surf could exceed 20 feet.

For the Los Angeles and Ventura County beaches and exposed west facing beaches across the Santa Barbara South Coast . the surf will be increasing to 5 to 8 feet by Saturday evening with higher sets across Ventura County Beaches to 10 feet. There will be dangerous rip currents. Another potentially larger swell will bring slightly larger surf across exposed west facing beaches on Monday.

FIRE WEATHER. 15/222 PM.

Strong high pressure aloft and moderate offshore pressure gradients will create periods of critical fire weather conditions through Saturday and possibly into Sunday. The highest fire weather risk will be today across Los Angeles and Ventura Counties. Winds are expected to drop off later this afternoon through the overnight hours, however the latest computer models indicate low humidities will continue through Saturday with winds increasing again early Saturday morning through afternoon. Some areas on Saturday may not quite reach the duration for red flag but most areas will have at least 3 to 6 hours of red flag conditions and for this reason the warning has been extended until 4 pm Saturday.

For Santa Barbara County, it will be very dry today into early Saturday with widespread humidities below 15 percent and as low as 5-10 percent. However, models have backed off slightly on the wind speeds and it now appears only isolated pockets of red flag conditions are expected, and generally for less than 6 hours. The exception may be in the hills above Montecito where winds gusting up to 45 mph are possible.

Sunday will remain very dry across the area with temperatures well above normal. However, winds in most areas should be below 25 mph with only isolated wind gusts to around 35 mph in Los Angeles and Ventura Counties.

A strong north to northeast wind event is likely sometime between Monday and Wednesday, mostly likely strongest Tuesday and Tuesday night with wind gusts as high as 80 mph or possibly even higher in some areas. At this time it appears humidities will be too high for red flag conditions but damaging winds are possible, especially across Los Angeles and Ventura Counties.

LOX WATCHES/WARNINGS/ADVISORIES. CA . Wind Advisory in effect until 9 AM PST Saturday for zones 34-51. (See LAXNPWLOX). High Surf Advisory in effect until 10 PM PST Tuesday for zones 34-35. (See LAXCFWLOX). High Surf Advisory in effect from 9 AM Saturday to 10 PM PST Tuesday for zones 39-40. (See LAXCFWLOX). Wind Advisory in effect from 9 AM Saturday to noon PST Sunday for zones 40-41. (See LAXNPWLOX). High Surf Advisory in effect from 3 PM Saturday to 10 PM PST Tuesday for zones 41-87. (See LAXCFWLOX). Wind Advisory in effect from 6 AM Saturday to 3 PM PST Sunday for zones 44>46-88-547. (See LAXNPWLOX). Wind Advisory in effect until 3 PM PST Sunday for zones 53-54. (See LAXNPWLOX). Red Flag Warning in effect until 4 PM PST Saturday for zones 244>246-253-254-288-547. (See LAXRFWLOX). PZ . Small Craft Advisory in effect from 9 AM Saturday to 3 AM PST Monday for zone 645. (See LAXMWWLOX). Small Craft Advisory in effect until 3 AM PST Monday for zones 670-673-676. (See LAXMWWLOX).

.HAZARD POTENTIAL OUTLOOK (MON-FRI).

Strong to potentially damaging Santa Ana winds are possible late Monday night into Tuesday night. High surf will continue to affect west-facing beaches Monday through Tuesday.



PUBLIC . Hall/Sirard AVIATION . Hall MARINE . Kj BEACHES . Kj FIRE . MW SYNOPSIS . Kj

weather.gov/losangeles


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46215 - Diablo Canyon, CA (076) 26 mi41 min 54°F6 ft
CPXC1 27 mi39 min 16 G 22
PSLC1 - 9412110 - Port San Luis, CA 27 mi49 min N 13 G 20 76°F 56°F1019.3 hPa
46011 - SANTA MARIA - 21 NM Northwest of Point Arguello, CA 45 mi37 min N 14 G 18 55°F1018.8 hPa

Wind History for Port San Luis, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Paso Robles Municipal Airport, CA9 mi74 minE 1010.00 miFair55°F45°F69%1022.6 hPa
San Luis Obispo, San Luis Obispo County-Mc Chesney Field, CA22 mi71 minNW 1010.00 miFair73°F32°F22%1018.8 hPa

Link to 5 minute data for KPRB

Wind History from PRB (wind in knots)
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Last 24hrCalmE5N3CalmCalmCalmCalmN3S4SW4NW3CalmNW4CalmCalmN5E8E10E11SE6SE6E9E10E6
1 day agoCalmNE4CalmCalmCalmCalmCalmCalmCalm--E11E10E8E8E10E13E11E9E8E8CalmSE4SW3SE6
2 days agoE3CalmCalmSE3CalmCalmCalmE4N3NW3NW5NW7NW8CalmNW5E9E10SE8CalmE3SE4CalmCalmNE4

Tide / Current Tables for Morro Beach, Estero Bay, California (2)
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Morro Beach
Click for Map
Sat -- 12:48 AM PST     3.86 feet High Tide
Sat -- 05:40 AM PST     2.07 feet Low Tide
Sat -- 07:11 AM PST     Sunrise
Sat -- 09:50 AM PST     Moonrise
Sat -- 11:39 AM PST     5.19 feet High Tide
Sat -- 05:15 PM PST     Sunset
Sat -- 06:47 PM PST     -0.30 feet Low Tide
Sat -- 09:04 PM PST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.73.83.63.12.52.22.12.433.84.65.15.24.73.92.71.50.5-0.1-0.30.10.81.82.7

Tide / Current Tables for Morro Beach, Estero Bay, California
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Morro Beach
Click for Map
Sat -- 12:48 AM PST     3.86 feet High Tide
Sat -- 05:41 AM PST     2.07 feet Low Tide
Sat -- 07:11 AM PST     Sunrise
Sat -- 09:50 AM PST     Moonrise
Sat -- 11:40 AM PST     5.18 feet High Tide
Sat -- 05:15 PM PST     Sunset
Sat -- 06:47 PM PST     -0.30 feet Low Tide
Sat -- 09:04 PM PST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.73.83.63.12.52.22.12.433.84.65.15.24.73.92.71.50.5-0.1-0.30.10.81.82.7

Weather Map
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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.
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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.