Wednesday, May27, 2020
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Marine Weather and Tides
Salinas, 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 5:49AMSunset 8:18PM Wednesday May 27, 2020 4:23 AM PDT (11:23 UTC) Moonrise 9:11AMMoonset 11:55PM Illumination 28% 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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PZZ535 Monterey Bay- 306 Am Pdt Wed May 27 2020
Today..SW winds 5 to 15 kt. Wind waves 1 to 2 ft. W swell 4 to 6 ft at 10 seconds and sw around 2 ft at 18 seconds.
Tonight..SW winds 5 to 15 kt. Wind waves 1 ft. W swell 2 to 4 ft at 11 seconds and sw around 2 ft at 17 seconds.
Thu..W winds 5 to 15 kt. Wind waves 1 to 2 ft. W swell 3 to 5 ft at 11 seconds and sw around 2 ft at 16 seconds.
Thu night..SW winds around 5 kt. Wind waves 1 ft. W swell 2 to 4 ft at 10 seconds and sw around 2 ft at 19 seconds.
Fri..W winds 10 to 20 kt with gusts up to 25 kt. Wind waves 3 to 4 ft. W swell 2 to 4 ft at 9 seconds and sw 2 to 3 ft at 19 seconds.
Fri night..SW winds 15 to 25 kt with gusts up to 30 kt. Wind waves 3 to 4 ft. W swell 3 to 5 ft at 14 seconds and sw around 2 ft at 19 seconds. A chance of showers.
Sat..SW winds 5 to 15 kt. Wind waves 1 to 2 ft. W swell 3 to 5 ft and sw around 2 ft. A chance of showers.
Sun..W winds 5 to 15 kt. Wind waves 1 ft. W swell 2 to 4 ft and sw 2 to 3 ft. Locally lower winds and seas across sheltered portions of the bay.
PZZ500 306 Am Pdt Wed May 27 2020
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... Breezy northwest winds will persist over the northern waters through today. These winds will generate steep fresh swell resulting in hazardous seas conditions for small crafts. Generally light to moderate northwest winds are expected elsewhere with winds generally easing across the waters late this week as an upper ridge sits over california and an upper low slowly approaches from the southwest. Mixed seas will continue with a short period northwest swell and a longer period southwest swell. A longer period northwest swell will arrive later this week.


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 271047 AFDMTR

Area Forecast Discussion National Weather Service San Francisco Bay Area 347 AM PDT Wed May 27 2020

SYNOPSIS. Heat Advisory remains in effect for interior portions through Thursday due to hot daytime temperatures. Very warm conditions will continue near the coast, but slightly cooler temperatures are expected at the coast on Wednesday. Patchy night and morning clouds return Wednesday night. Cooler temperature near the coast Thursday and districtwide Friday as coastal clouds return. There is a chance of rain showers late Friday night into Saturday when isolated thunderstorms will also be possible.

DISCUSSION. as of 3:41 AM PDT Wednesday . Two main weather impacts over the next seven days remain the same: ongoing heat in the short term followed by thunderstorm potential heading into the upcoming weekend.

A rather mild overnight across the Bay Area, especially in the hills. Valley and coastal locations did cool slightly, but still remain in the 50s and 60s as of 3 AM. Higher elevations are a different story with temperatures in the 70s and lower 80s. Needless to say, hot daytime temperatures followed by mild overnight temperatures are providing little relief. No major change for today's forecast. A mild start early this morning will ultimately result in another very warm to hot day around the Bay Area. Very weak onshore flow will provide minor relief at the immediate coast, but go inland a few miles and the heat will be there. Temperatures this afternoon across the interior will once again be in the 90s to lower 100s. Would not be surprised if a few records fell by the end of the day. Heat related illness concerns remain across the interior. Therefore, a Heat Advisory remains in effect.

A subtle change develops later today and moreso tonight with increasing onshore flow and the possible development of a marine layer. Higher res models bring some low clouds near the coast and locally inland tonight. Despite this change, temperatures will remain mild again in the hills resulting in another night with little relief.

Onshore flow increases more on Thursday as the upper level high pressure ridge begins to shift eastward. More widespread cooling is anticipated on Thursday, but temperatures will still remain above seasonal levels and in the upper 80s to near 100 degrees away from the coast. Given that Thursday will be the fourth day of heat and cumulative fatigue of hot days/mild nights will keep Heat Advisory in place for the time being.

Now the forecast gets really interesting and unfortunately confidence with some details begins to decrease. The upper ridge and associated heat dome shift farther east on Friday ushering in much cooler temperatures. In fact, some guidance brings a more established marine layer to the region. Therefore, heat related illness concerns will not be an issue on Friday as highs are forecast to be 60s/70s at the coast and 70s/80s inland. The cooldown will be a welcomed sight on Friday, but the increasing chances for thunderstorms will not. For roughly a week now models have forecast hot weather followed by a breakdown of the ridge in the way of an upper low. This low has been stuck between Hawaii and the West Coast. However, by Friday it will begin to make its move eastward. Latest guidance brings the low toward the Bay Area/Central Coast Friday afternoon and moving inland across the North Bay Friday night/Saturday morning. Precip chances will gradually increase Friday afternoon and then remain through early Saturday. Instability also increases during this time period as well. Per forecast point soundings, upper level MU CAPE, and High Level Total Totals (>28), high based thunderstorms will initially be possible Friday evening/night as the upper low approaches. As the core of the low moves gradually inland surface based instability increases early Saturday into Saturday afternoon. Thunderstorm chances will initially be greatest over the coastal waters and the North Bay Friday evening/Friday night. Chances for thunder slowly creep southward to the South/East Bay on Saturday. Regardless of thunderstorm chances (generally 15-20%) showers will be possible for all areas at some point from Friday evening through Saturday. Of greatest concern would be from a fire standpoint with dry lightning given the recent heat and drying of fine fuels. Will have to monitor the situation closely, but it should be noted larger fuels are still holding onto some moisture from earlier rains.

A chance for showers return early next week as another upper level system sweeps through. Drier weather and slightly warmer temps return by middle of next week.

AVIATION. as of 10:33 PM PDT Tuesday . For 06z TAFs. Skies will remain clear overnight through Weds. Light winds overnight with typical afternoon seabreeze winds to around 15 kt Weds afternoon.

Vicinity of KSFO . VFR with clear skies overnight into Weds. Evening westerly seabreeze gusts to 15-20 kt Weds afternoon.

SFO Bridge Approach . Clear skies with light onshore breezes.

Monterey Bay Terminals . VFR with clear skies overnight through Weds. Light winds, locally to around 15 kt Salinas Valley afternoon/early evening hours.

CLIMATE.

Record highs May 26 May 27 ----------------------------------------------------------------- Santa Rosa 96/1974 94/1984 Kentfield 99/1951 99/1919 Napa 98/1896 102/1984 Richmond 87/1996 98/1984 San Francisco DT 91/1896 85/1933 SFO Airport 89/1974 97/1984 Redwood City 98/1974 98/1984 Half Moon Bay 78/1951 72/1982 Oakland DT 94/1974 100/1984 San Jose 95/1951 101/1984 Gilroy 98/1979 101/1974 Santa Cruz 94/1896 93/1984 Salinas 94/1974 84/2003 King City 104/1974 104/1984

MARINE. as of 9:00 PM PDT Tuesday . Breezy northwest winds will persist over the northern waters through Wednesday. These winds will generate steep fresh swell resulting in hazardous seas conditions for small crafts. Generally light to moderate northwest winds are expected elsewhere with winds generally easing across the waters late this week as an upper ridge sits over California and an upper low slowly approaches from the southwest. Mixed seas will continue with a short period northwest swell and a longer period southwest swell. A longer period northwest swell will arrive later this week.

MTR WATCHES/WARNINGS/ADVISORIES. Tday. Heat Advisory . CAZ506-507-510>513-516>518-528 SCA . Pigeon Pt to Pt Pinos 0-10 nm from 3 PM SCA . Pt Arena to Pigeon Pt 10-60 nm SCA . Pt Arena to Pt Reyes 0-10 nm SCA . Pt Reyes to Pigeon Pt 0-10 nm SCA . Pigeon Pt to Pt Piedras Blancas 10-60 nm until 3 AM



PUBLIC FORECAST: MM AVIATION: RWW MARINE: RWW

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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 mi99 min ESE 1 58°F 57°F
MLSC1 - Moss Landing, South Harbor, CA 13 mi50 min Calm G 0 58°F 1012.2 hPa56°F
46240 - Cabrillo Point, Monterey Bay, CA (158) 20 mi54 min 61°F3 ft
MEYC1 20 mi48 min S 2.9 G 2.9 59°F 64°F1012 hPa
46092 - MBM1 25 mi116 min S 5.8 58°F 59°F1012 hPa (-0.3)
46239 - Point Sur, CA (157) 39 mi54 min 58°F6 ft
46114 - West Monterey Bay, CA 42 mi54 min 58°F7 ft
46042 - MONTEREY - 27NM West of Monterey Bay, CA 45 mi34 min NNW 5.8 G 7.8 56°F 55°F7 ft1012.1 hPa55°F

Wind History for Monterey, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Salinas, Salinas Municipal Airport, CA6 mi31 minN 08.00 miFair61°F55°F84%1012.8 hPa
Hollister, CA, CA13 mi29 minN 010.00 miFair61°F50°F68%1012.2 hPa
Monterey Regional Airport, CA18 mi30 minSSW 39.00 miFair61°F55°F81%1013.1 hPa
Watsonville, Watsonville Municipal Airport, CA18 mi31 minN 010.00 miFair59°F55°F90%1011.9 hPa

Link to 5 minute data for KSNS

Wind History from SNS (wind in knots)
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Last 24hrCalmCalmCalmS4S5SE4CalmNW10NW12NW12NW13NW12NW13NW11NW11NW9NW6NW6NW5NW6NW3NW5NW4Calm
1 day agoSE3SE4CalmS6SE7SE6CalmNW6NW12NW14N13N12NW10NW10NW8NW7NW4NW9NW7NW3NW3CalmSE3Calm
2 days agoCalmCalmCalmSE44CalmCalm3NW11NW13NW11NW10NW11NW9NW6CalmN10N8NW4NW4NE3SE3CalmSE5

Tide / Current Tables for Elkhorn, California
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Elkhorn
Click for Map
Wed -- 12:10 AM PDT     Moonset
Wed -- 01:21 AM PDT     5.22 feet High Tide
Wed -- 05:51 AM PDT     Sunrise
Wed -- 09:14 AM PDT     -0.65 feet Low Tide
Wed -- 10:11 AM PDT     Moonrise
Wed -- 04:37 PM PDT     3.75 feet High Tide
Wed -- 08:17 PM PDT     Sunset
Wed -- 08:26 PM PDT     3.08 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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55.25.24.8431.80.7-0.2-0.6-0.50.111.92.83.43.73.73.63.33.13.13.43.8

Tide / Current Tables for Point Pinos, California Current
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Point Pinos
Click for Map
Wed -- 12:11 AM PDT     Moonset
Wed -- 12:50 AM PDT     0.36 knots Max Flood
Wed -- 03:15 AM PDT     -0.00 knots Slack
Wed -- 05:52 AM PDT     Sunrise
Wed -- 07:08 AM PDT     -0.87 knots Max Ebb
Wed -- 10:12 AM PDT     Moonrise
Wed -- 10:57 AM PDT     0.00 knots Slack
Wed -- 02:07 PM PDT     0.64 knots Max Flood
Wed -- 05:52 PM PDT     -0.00 knots Slack
Wed -- 07:56 PM PDT     -0.36 knots Max Ebb
Wed -- 08:17 PM PDT     Sunset
Wed -- 10:56 PM PDT     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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0.30.40.30.1-0.2-0.5-0.7-0.9-0.8-0.5-0.300.30.50.60.60.40.2-0-0.3-0.4-0.3-0.10

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.
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Wind Forecast for San Francisco/Monterey Bay Area, CA (7,2,3,4)
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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.