Saturday, November28, 2020
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Marine Weather and Tides
Seaside, 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 6:57AMSunset 4:53PM Saturday November 28, 2020 12:23 AM PST (08:23 UTC) Moonrise 4:06PMMoonset 5:18AM Illumination 96% 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- 831 Pm Pst Fri Nov 27 2020
Tonight..E winds up to 10 kt. Wind waves 1 ft. W swell 4 to 6 ft at 14 seconds.
Sat..NW winds up to 10 kt. Wind waves 1 ft. W swell 4 to 6 ft at 15 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..W winds 10 to 20 kt with gusts up to 25 kt. Wind waves 1 ft. W swell 4 to 6 ft at 18 seconds.
Mon night..N winds 5 to 10 kt. Wind waves 1 ft. W swell 7 to 9 ft at 17 seconds.
Tue..N winds 5 to 10 kt. Wind waves 1 ft. W swell 6 to 8 ft.
Wed..NE winds 5 to 10 kt. Wind waves 1 ft. W swell 4 to 6 ft. Locally lower winds and seas across sheltered portions of the bay.
PZZ500 831 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... High pressure over the pacific waters keep winds light this evening and through Saturday. By Saturday night, some moderate northerly gusts are possible as a weak system passes over the southern pacific. The moderate northwest swell persists through the weekend, with the next northwest swell expected to arrive next Monday into Tuesday.


7 Day Forecast for Marine Location Near Seaside, CA
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location: 36.65, -121.81     debug


Area Discussion for - San Francisco/Monterey Bay Area, CA
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FXUS66 KMTR 280531 AFDMTR

Area Forecast Discussion National Weather Service San Francisco Bay Area 931 PM PST Fri Nov 27 2020

SYNOPSIS. High pressure over California will result in sunny, mild days and clear, cool nights through the weekend. Slight cooling is expected on Monday, followed by a gradual warming trend through the remainder of next week. Dry weather is expected to continue through next week.

DISCUSSION. As of 8:55 PM PST Friday . After a dry and mild day with high temperatures mostly in the 60s, temperatures have been dropping quickly after sunset due to clear skies, light winds, and dry air. In the North Bay, 8 pm temperatures were as much as 15 degrees cooler than at the same time last evening, primarily because winds this evening are light whereas moderate northerly winds persisted in the North Bay last evening. Given the more rapid cooling this evening, the expectation would be for colder overnight lows tonight, However, surface dewpoints are anywhere from 2 to 12 degrees above what they were last evening. While dewpoints are still quite low (mostly in the upper 20s and lower 30s), the modest increase in low level moisture should put the brakes on overnight cooling to some extent. Thus, the most likely outcome will be overnight lows tonight similar to those of last night, with temperatures dropping to near freezing in most inland valley locations, and into the upper 20s in the coldest spots. The airmass last night was too dry for frost to form in most areas, but we could see some patchy frost early on Saturday.

An upper ridge is currently centered over California and is forecast to remain our dominant weather feature through the weekend. Thus, we can expected continued mostly clear skies, light winds, mild daytime temperatures, and chilly nights through the weekend.

Our weekend ridge is forecast to shift east by late Sunday and a shortwave trough is then expected to move into the Pacific Northwest late Sunday night and Monday. An associated cold front may produce rain as far south as Mendocino County on Monday, but the general model consensus is for our area to remain dry. The primary impact of the Monday system on our weather will be to turn winds from light offshore to onshore for a short period of time, resulting in modest cooling on Monday, along with increased humidity. However, models agree that by Tuesday a ridge will rapidly rebuild along the West Coast and our flow will return to light offshore. These developments will result in more dry weather, along with warmer days and cool nights, through the end of next week.

Longer range models maintain dry weather into at least the second week of December and the latest CPC 8-14 day outlook calls for warm and dry conditions across the West.

AVIATION. As of 9:30 PM PST Friday . for the 06z TAFs . Clouds sit over the ocean just west of the Sonoma coastline, but not expecting to have any impact on terminals tonight. High pressure keeps things dry for VFR conditions through the TAF period for all terminals. Winds will be light to calm with a light onshore breeze Saturday afternoon.

Vicinity of KSFO . VFR. Winds will remain light to calm overnight with a light breeze in the afternoon up to 10 kts. Winds ease Saturday night.

SFO Bridge Approach . Similar to KSFO.

Monterey Bay Terminals . SE winds provide a few breezes currently, but will weaken through the night. Skies will remain clear and VFR through the TAF. Winds switch to onshore Saturday afternoon, before weakening and returning to the SE Saturday evening.

MARINE. as of 08:31 PM PST Friday . High pressure over the Pacific waters keep winds light this evening and through Saturday. By Saturday night, some moderate northerly gusts are possible as a weak system passes over the southern Pacific. The moderate northwest swell persists through the weekend, with the next northwest swell expected to arrive next Monday into Tuesday.

MTR WATCHES/WARNINGS/ADVISORIES. Tngt. None.

PUBLIC FORECAST: Dykema AVIATION: DK MARINE: DK

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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
MEYC1 5 mi48 min SSE 2.9 G 4.1 43°F 1023.8 hPa
46240 - Cabrillo Point, Monterey Bay, CA (158) 5 mi28 min 54°F3 ft
ELXC1 - Elkhorn Slough Reserve, CA 12 mi99 min Calm 41°F 40°F
46092 - MBM1 14 mi186 min S 3.9 52°F 53°F1023.2 hPa
46239 - Point Sur, CA (157) 26 mi28 min 53°F5 ft
46114 - West Monterey Bay, CA 28 mi28 min 54°F6 ft
46042 - MONTEREY - 27NM West of Monterey Bay, CA 33 mi34 min ENE 1.9 G 3.9 53°F 54°F5 ft1024.1 hPa50°F

Wind History for Monterey, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Monterey Regional Airport, CA4 mi30 minESE 810.00 miFair47°F23°F39%1025 hPa
Salinas, Salinas Municipal Airport, CA11 mi31 minSSE 610.00 miFair42°F33°F71%1025.2 hPa
Watsonville, Watsonville Municipal Airport, CA20 mi31 minN 010.00 miFair41°F30°F67%1024.3 hPa

Link to 5 minute data for KMRY

Wind History from MRY (wind in knots)
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Last 24hrSE4SE6SE9E4SE7SE5SE3SE5CalmCalmCalmNW3W6NW5W5N5E4SE4SE3SE4SE8SE10SE8SE8
1 day agoSE3SE3SE4SE7E7E6E5CalmN3NE55NE7E9NW6NW5CalmCalmE5E7E6CalmCalmSE3SE3
2 days agoW7CalmSE4SE3CalmE4SE6CalmNW3NE34N5NW6NW9NW10W8W9
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W533CalmW4S5E4

Tide / Current Tables for Monterey, Monterey Harbor, California (2)
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Monterey
Click for Map
Sat -- 02:23 AM PST     2.15 feet Low Tide
Sat -- 05:18 AM PST     Moonset
Sat -- 06:58 AM PST     Sunrise
Sat -- 08:30 AM PST     5.47 feet High Tide
Sat -- 03:37 PM PST     -0.14 feet Low Tide
Sat -- 04:06 PM PST     Moonrise
Sat -- 04:52 PM PST     Sunset
Sat -- 10:12 PM PST     3.93 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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32.52.22.22.63.44.255.45.44.942.81.60.5-0-0.10.31.12.133.63.93.8

Tide / Current Tables for Point Pinos, California Current
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Point Pinos
Click for Map
Sat -- 01:29 AM PST     -0.46 knots Max Ebb
Sat -- 04:53 AM PST     0.00 knots Slack
Sat -- 05:18 AM PST     Moonset
Sat -- 06:59 AM PST     Sunrise
Sat -- 07:42 AM PST     0.51 knots Max Flood
Sat -- 10:32 AM PST     -0.00 knots Slack
Sat -- 01:41 PM PST     -0.84 knots Max Ebb
Sat -- 04:06 PM PST     Moonrise
Sat -- 04:52 PM PST     Sunset
Sat -- 05:41 PM PST     0.00 knots Slack
Sat -- 08:42 PM PST     0.65 knots Max Flood
Sat -- 11:54 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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-0.3-0.4-0.4-0.4-0.200.30.50.50.40.2-0.2-0.5-0.8-0.8-0.7-0.5-0.20.10.40.60.60.50.3

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.