Saturday, March28, 2020
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Marine Weather and Tides
Santa Cruz, 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 6:57AMSunset 7:28PM Saturday March 28, 2020 5:22 AM PDT (12:22 UTC) Moonrise 8:27AMMoonset 10:40PM Illumination 20% Phase: Waxing Crescent; Moon at 4 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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PZZ560 Coastal Waters From Pigeon Point To Point Pinos California Out To 10 Nm- 244 Am Pdt Sat Mar 28 2020
Today..W winds up to 10 kt. Wind waves 1 ft. W swell 2 to 3 ft at 8 seconds. Rain likely.
Tonight..W winds 5 to 10 kt. Wind waves 1 ft. W swell 2 to 4 ft at 7 seconds. Rain likely.
Sun..SW winds 5 to 10 kt. Wind waves 1 to 2 ft. W swell 3 to 4 ft at 8 seconds. Rain likely.
Sun night..NW winds 5 to 15 kt. Wind waves 1 to 2 ft. NW swell 4 to 5 ft at 7 seconds.
Mon..NW winds 5 to 10 kt. Wind waves 1 ft. NW swell 3 to 4 ft at 8 seconds.
Mon night..NW winds 5 to 15 kt. Wind waves 1 to 2 ft. NW swell 3 to 5 ft at 10 seconds.
Tue..NW winds 5 to 15 kt. Wind waves 1 to 2 ft. NW swell 6 to 8 ft.
Wed..NW winds 5 to 15 kt. Wind waves 1 to 2 ft. NW swell 7 to 8 ft.
PZZ500 244 Am Pdt Sat Mar 28 2020
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... High pressure will be pushed into the southern california waters as a low pressure system moves into the pacific northwest waters. This will result in light winds through early next week. A light southwest swell will ontinue to mix with a larger northwest swell through Sunday.


7 Day Forecast for Marine Location Near Santa Cruz city, CA
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location: 36.97, -122.02     debug


Area Discussion for - San Francisco/Monterey Bay Area, CA
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FXUS66 KMTR 281152 AFDMTR

Area Forecast Discussion National Weather Service San Francisco Bay Area 452 AM PDT Sat Mar 28 2020

SYNOPSIS. Periods of rain are forecast over the weekend, along with slightly below normal temperatures. A drying and warming trend will begin on Monday and continue through much of next week.

DISCUSSION. As of 03:13 AM PDT Saturday . Bay Area radars continue to pick up a few showers ahead of the next storm system. These leading edge showers are rather light. A few automated gauges tipped with Livermore Airport reporting a trace. Forecast for this next few hours remains unchanged - hit or miss showers as a storm system approaches from the west.

Current synoptic set up reveals an upper level low pressure system off the Oregon coast tracking southward. This is easily seen on the overnight water vapor imagery. 00Z model suite brings this low southward into far Northern California Coastal waters this afternoon. As the low approaches expect shower activity to increase across the Bay Area from roughly 6-9AM this morning. By this afternoon there could be some stronger embedded showers due to some daytime heating and weak surface instability. After sunset Saturday evening there may be a lull in activity with only a few scattered showers lingering overnight. Another burst of shower/rain activity is expected on Sunday as an upper level trough and weakening surface boundary pass through. The second round of shower/rain activity will once again be in the morning and into the afternoon on Sunday. Precip will diminish Sunday evening and be dry by Sunday night. This weekend will not be a total washout, but periods of rain/showers may hamper people venturing outside responsibly for some fresh air. Rainfall amount today through Sunday evening will generally be 0.25-0.5" most areas, up to 0.75" coastal mountains, less than 0.25" southern interior.

Unlike earlier storm systems this one will not be as cold. Snow levels are on track to be 4500-5000 feet and there is not much real estate that fits that elevation in the forecast area. Most likely area for a few wet snow flakes will be the highest peaks in the Santa Lucias and Gabilan. For what it's worth - Chews Ridge and Mt Hamilton are both hovering right around freezing.

Monday will kick off a drying trend as the storm system exits eastward. As mentioned on the previous discussion some medium range models continue to show a brush by of light showers for the North Bay on Monday. Confidence still remains low at this point, but a few showers have been added for far northern areas of the North Bay. There after a notable warming and drying trend will develop through next week with temps in the 70s by Wednesday.

AVIATION. as of 4:51 AM PDT Saturday . Radar is picking up precip just west of the Bay Area. Cigs dropping to near MVFR conditions with light rain by 15Z. Models forecast low-level moisture through early tonight so will see MVFR cigs continuing through the day. A brief break after 04Z before a secondary front arrives Sunday morning bringing rain and lower cigs back. Winds will switch to a south to southeast direction this morning with speeds under 10 kt. A switch to the west is expected in the afternoon.

Vicinity of KSFO . Light rain after 14-15Z with cigs becoming MVFR. Bases lowering to 2500 ft after 15Z then lowering further to 1500 ft after 20Z. Southeast winds under 10 kt becoming westerly to 10 kt in the afternoon.

SFO Bridge Approach . Similar to KSFO.

Monterey Bay Terminals . Becoming MVFR after 15Z with light showers after 18Z. Southerly winds 5-10 kt in the morning becoming west in the afternoon.

MARINE. as of 04:32 AM PDT Saturday . High pressure will be pushed into the southern California waters as a low pressure system moves into the Pacific Northwest waters. This will result in light winds through early next week. A light southwest swell will ontinue to mix with a larger northwest swell through Sunday.

MTR WATCHES/WARNINGS/ADVISORIES. Tday. None.

PUBLIC FORECAST: MM AVIATION: W Pi MARINE: W Pi

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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46092 - MBM1 15 mi54 min E 3.9 54°F 57°F1022.2 hPa (-0.9)
MLSC1 - Moss Landing, South Harbor, CA 17 mi34 min E 5.1 G 12 47°F 1023.3 hPa (-0.8)43°F
ELXC1 - Elkhorn Slough Reserve, CA 18 mi97 min ESE 2.9 46°F 1034 hPa44°F
46042 - MONTEREY - 27NM West of Monterey Bay, CA 24 mi32 min NW 5.8 G 9.7 54°F 57°F4 ft1022.8 hPa49°F
46114 - West Monterey Bay, CA 24 mi22 min 57°F4 ft
46240 - Cabrillo Point, Monterey Bay, CA (158) 25 mi22 min 57°F2 ft
MEYC1 26 mi46 min SSE 4.1 G 5.1 50°F 59°F1022.8 hPa
RTYC1 - 9414523 - Redwood City, CA 38 mi52 min S 1.9 G 5.1 51°F 58°F1022.9 hPa
46239 - Point Sur, CA (157) 44 mi22 min 57°F4 ft

Wind History for Monterey, CA
(wind in knots)    EDIT      (on/off)   Help
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Watsonville, Watsonville Municipal Airport, CA12 mi29 minN 010.00 miOvercast46°F43°F89%1022.9 hPa

Link to 5 minute data for KWVI

Wind History from WVI (wind in knots)
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Last 24hrN4N4N4CalmCalm63SW11
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1 day agoNW4N3N3NE3Calm3SW5W11W7W14NE5W5SW5NE4NW4N3NW3NW3NW4NW4NW6NW4N3N4
2 days agoN3CalmCalmCalmCalmCalmW7SW10W6W14W11
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W8W7W5W3CalmCalmN3NW4NW3N4N3Calm

Tide / Current Tables for Santa Cruz, Monterey Bay, California (sub)
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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 Point Pinos, California Current
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Point Pinos
Click for Map
Sat -- 12:15 AM PDT     0.45 knots Max Flood
Sat -- 03:02 AM PDT     -0.00 knots Slack
Sat -- 06:23 AM PDT     -0.74 knots Max Ebb
Sat -- 06:58 AM PDT     Sunrise
Sat -- 09:27 AM PDT     Moonrise
Sat -- 10:02 AM PDT     0.00 knots Slack
Sat -- 01:01 PM PDT     0.51 knots Max Flood
Sat -- 04:24 PM PDT     -0.00 knots Slack
Sat -- 06:51 PM PDT     -0.43 knots Max Ebb
Sat -- 07:27 PM PDT     Sunset
Sat -- 09:45 PM PDT     0.00 knots Slack
Sat -- 11:39 PM PDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.40.40.20-0.3-0.5-0.7-0.7-0.5-0.2-00.20.40.50.50.30.1-0.1-0.4-0.4-0.3-0.100.2

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
Wind Forecast for San Francisco/Monterey Bay Area, CA (8,2,3,4)
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Ground Weather Radar Station San Francisco Bay Area, 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.