Friday, November27, 2020
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Marine Weather and Tides
Salinas, 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 6:56AMSunset 4:52PM Friday November 27, 2020 8:25 PM PST (04:25 UTC) Moonrise 3:37PMMoonset 4:19AM Illumination 95% 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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PZZ535 Monterey Bay- 254 Pm Pst Fri Nov 27 2020
This afternoon..W winds around 5 kt. Wind waves 1 ft. W swell 4 to 6 ft at 16 seconds.
Tonight..E winds up to 10 kt. Wind waves 1 ft. W swell 3 to 5 ft at 16 seconds.
Sat..NW winds up to 10 kt. Wind waves 1 ft. W swell 4 to 6 ft at 16 seconds.
Sat night..E winds up to 10 kt. Wind waves 1 ft. W swell 4 to 6 ft at 14 seconds.
Sun..NW winds up to 10 kt. Wind waves 1 ft. W swell 4 to 6 ft at 13 seconds.
Sun night..NW winds up to 10 kt. Wind waves 1 ft. W swell 4 to 6 ft at 13 seconds.
Mon..NW winds 10 to 20 kt with gusts up to 25 kt. Wind waves 1 ft. W swell 6 to 8 ft.
Tue..N winds 5 to 10 kt. Wind waves 1 ft. W swell 6 to 8 ft. Locally lower winds and seas across sheltered portions of the bay.
PZZ500 254 Pm Pst Fri Nov 27 2020
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... Continued light winds over the coastal waters the rest of Friday and into Saturday with high pressure centered off the california coast. Some strengthening will occur Saturday afternoon, as winds turn more northerly. Moderate northwest swell continues through the weekend. A stronger northwest swell is expected to arrive next Monday into Tuesday.


7 Day Forecast for Marine Location Near Salinas, CA
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location: 36.74, -121.56     debug


Area Discussion for - San Francisco/Monterey Bay Area, CA
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FXUS66 KMTR 272335 AFDMTR

Area Forecast Discussion National Weather Service San Francisco Bay Area 335 PM PST Fri Nov 27 2020

SYNOPSIS. High pressure will build from Friday through the weekend, resulting in sunny, mild days and clear, cool nights. Dry weather is expected to continue through next week.

DISCUSSION. as of 02:00 PM PST Friday . A 577dm 500mb high pressure ridge is moving through the region today as evidenced by the light offshore flow and clear blue skies across the vast majority of the Golden State. The air mass within the high pressure ridge is fairly dry, which has prevented cloud formation, and allowed for rapid radiational cooling overnight (because dry air takes less energy to cool/warm). This dry air mass provided the region with a rather chilly start to the day as sunrise temperatures and dew points trended 5 to 15 degrees lower than 24 hours prior during Thanksgiving morning. Since then, temperatures across the region have steadily warmed into the low to mid 60s regionwide and will continue to warm into the mid to upper 60s by the end of the day. Despite the chilly sunrise start, afternoon temperatures are forecast to end the day a few degrees warmer than Thanksgiving due to the lack of cloud cover and dry air mass.

Offshore winds peaked at 69mph over Mt Diablo last evening and have since cut off completely - with Mt Diablo reporting a wind speed of 1mph at 1:20pm. California itself is not yet out of the fire weather threat as Southern California is currently facing a Santa Anna offshore wind event prompting Red Flag Warnings from the higher terrain of Ventura through San Diego through Saturday morning.

Very little intraday variation in the weather is forecast through the weekend as dry air remains in place under weak high pressure. Expect clear skies to persist with this dry air mass under generally weak offshore flow. The primary impact to most will be the cool to cold overnight temperatures with some patchy frost development in locally more humid areas (ie inland valleys near streams, irrigation, or ponds). Daytime afternoon highs through the weekend will be fairly uniform regionwide and in the mid to upper 60s (warmest inland).

An adjustment in the weather pattern will arrive Sunday night into Monday when a narrow trough descends through the Pacific Northwest and glances Northern California. This system will keep nearly all of its moisture out of our forecast region though we could see a few stray showers trickle across the northern periphery of Sonoma and Napa counties early to midday Monday. Precipitation amounts would be negligible. Speaking of which, calendar year to date and water year to date precipitation normals look rough, particularly for the San Francisco Bay Area (the Monterey Bay area fared better earlier in the calendar year). For example:Santa Rosa is at 26% of normal calendar, 24% normal seasonal precipitation. Downtown San Francisco is at 31% of normal calendar, 13% normal seasonal precipitation. San Jose is at 35% normal calendar, 6% normal precipitation. Additionally, the longer term prognosis looks quite dry through the coming weeks as well. By this time last year, a beneficial atmospheric river bringing several inches of rain would soon impact the area which helped to abate the dry start to the season. For now, these growing precipitation deficits are still recoverable (only 1.50-4.50 inches) though if the models are correct and most of December is dry -- it becomes very likely that the entire season will fall below normal. The big question then is -- how far below normal?

Anyway, the big impact from this system passing would be a slight uptick in moisture/increase in cloud coverage, and shift back towards onshore flow and slightly cooler daytime highs & warmer nighttime lows as next week progresses. Models then depict another weak shortwave approaching the California coast before fizzling prior to moving ashore late next week.

AVIATION. As of 3:35 PM PST Friday . for the 00z TAFs . VFR through the TAF period. A few high clouds over the ocean may drift over terminals, but otherwise no other impacts. High pressure keeps winds are light to calm. Light onshore seabreeze Saturday afternoon.

Vicinity of KSFO . VFR with light winds through the evening. A few clouds may pass over, but no other impacts. Winds will return to being onshore Saturday with a light breeze in the afternoon.

SFO Bridge Approach . Similar to KSFO.

Monterey Bay Terminals . Light onshore winds near the coast under clear skies. SE winds return in the early Saturday morning hours before switching back to onshore in the afternoon. VFR through the TAF period.

MARINE. as of 02:54 PM PST Friday . Continued light winds over the coastal waters the rest of Friday and into Saturday with high pressure centered off the California coast. Some strengthening will occur Saturday afternoon, as winds turn more northerly. Moderate northwest swell continues through the weekend. A stronger northwest swell is expected to arrive next Monday into Tuesday.

MTR WATCHES/WARNINGS/ADVISORIES. Tngt. None.

PUBLIC FORECAST: DRP AVIATION: DK MARINE: Lorber

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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
ELXC1 - Elkhorn Slough Reserve, CA 11 mi101 min SSE 4.1 46°F 38°F
46240 - Cabrillo Point, Monterey Bay, CA (158) 20 mi30 min 54°F3 ft
MEYC1 20 mi50 min S 4.1 G 4.1 47°F 1023.6 hPa
46239 - Point Sur, CA (157) 39 mi60 min 53°F6 ft
46114 - West Monterey Bay, CA 42 mi30 min 54°F6 ft
46042 - MONTEREY - 27NM West of Monterey Bay, CA 45 mi36 min WNW 5.8 G 7.8 54°F 54°F6 ft1023.2 hPa50°F

Wind History for Monterey, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Salinas, Salinas Municipal Airport, CA6 mi33 minN 310.00 miFair49°F39°F69%1024.4 hPa
Hollister, CA, CA13 mi51 minN 010.00 miFair46°F21°F37%1023.7 hPa
Monterey Regional Airport, CA18 mi32 minSE 410.00 miFair45°F32°F61%1025 hPa
Watsonville, Watsonville Municipal Airport, CA18 mi33 minN 010.00 miFair46°F34°F63%1023.7 hPa

Link to 5 minute data for KSNS

Wind History from SNS (wind in knots)
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Last 24hrE10CalmSE3CalmS3SE6SE14SE5SE10SE10SE12SE11SE11SE15SE10SE7SE8CalmCalmW4NW10N3W5N3
1 day agoW5W6NW4CalmW7CalmCalmSW33CalmCalmCalmNW5N8N8N11
G19
N10E11NW9NW7NW4CalmCalmE8
2 days agoN5N4NW4CalmW6W3W5NW3W3CalmCalm----NW6W5NW5NW6W12W12W9W9W8W7W9

Tide / Current Tables for Elkhorn, California
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Elkhorn
Click for Map
Fri -- 01:52 AM PST     1.69 feet Low Tide
Fri -- 04:20 AM PST     Moonset
Fri -- 06:57 AM PST     Sunrise
Fri -- 08:34 AM PST     5.30 feet High Tide
Fri -- 03:17 PM PST     0.24 feet Low Tide
Fri -- 03:36 PM PST     Moonrise
Fri -- 04:51 PM PST     Sunset
Fri -- 09:38 PM PST     3.56 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.31.81.71.92.53.244.85.25.34.83.92.71.50.70.30.40.91.62.43.13.53.53.3

Tide / Current Tables for Point Pinos, California Current
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Point Pinos
Click for Map
Fri -- 12:49 AM PST     -0.48 knots Max Ebb
Fri -- 04:16 AM PST     0.00 knots Slack
Fri -- 04:21 AM PST     Moonset
Fri -- 06:58 AM PST     Sunrise
Fri -- 07:10 AM PST     0.54 knots Max Flood
Fri -- 10:01 AM PST     -0.00 knots Slack
Fri -- 01:06 PM PST     -0.78 knots Max Ebb
Fri -- 03:37 PM PST     Moonrise
Fri -- 04:52 PM PST     Sunset
Fri -- 05:03 PM PST     0.00 knots Slack
Fri -- 08:05 PM PST     0.62 knots Max Flood
Fri -- 11:07 PM PST     -0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.4-0.5-0.4-0.3-0.10.20.40.50.50.30-0.4-0.7-0.8-0.7-0.6-0.4-00.30.50.60.60.40

Weather Map
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wmap_P
GEOS Local Image of CentralWestCoast    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 Francisco Bay Area, CA
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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.