Sunday, March29, 2020
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Marine Weather and Tides
Capitola, 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 6:55AMSunset 7:29PM Sunday March 29, 2020 11:14 AM PDT (18:14 UTC) Moonrise 9:02AMMoonset 11:39PM Illumination 31% Phase: Waxing Crescent; Moon at 6 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- 810 Am Pdt Sun Mar 29 2020
Today..SW winds 10 to 20 kt. Wind waves 1 to 2 ft. W swell around 3 ft at 12 seconds. Showers, mainly this morning.
Tonight..NW winds 10 to 20 kt with gusts up to 25 kt. Wind waves 1 to 2 ft. W swell around 3 ft at 12 seconds.
Mon..NW winds 5 to 15 kt. Wind waves 1 to 2 ft. W swell around 3 ft at 11 seconds.
Mon night..NW winds 5 to 15 kt. Wind waves 1 to 2 ft. W swell around 3 ft at 11 seconds.
Tue..W winds 10 to 20 kt with gusts up to 25 kt. Wind waves 3 to 4 ft. W swell around 3 ft at 12 seconds.
Tue night..NW winds 15 to 25 kt with gusts up to 30 kt. Wind waves 3 to 4 ft. W swell 3 to 4 ft at 12 seconds.
Wed..NW winds 5 to 15 kt. Wind waves 1 to 2 ft. W swell 3 to 4 ft.
Thu..NW winds up to 10 kt. Wind waves 1 ft. W swell 2 to 4 ft. Locally lower winds and seas across sheltered portions of the bay.
PZZ500 810 Am Pdt Sun Mar 29 2020
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... Generally light winds will persist across the coastal waters into early next week as high pressure shifts into the southern california waters. Northwest winds will increase mid week as an upper ridge builds over the eastern pacific and an upper low moves inland well north of california. Mixed swell will continue with a moderate northwest swell and a light southwesterly swell.


7 Day Forecast for Marine Location Near Capitola, CA
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location: 36.97, -121.94     debug


Area Discussion for - San Francisco/Monterey Bay Area, CA
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FXUS66 KMTR 291737 AFDMTR

Area Forecast Discussion National Weather Service San Francisco Bay Area 1037 AM PDT Sun Mar 29 2020

SYNOPSIS. Scattered rain showers will spread inland through midday as a frontal boundary moves across the region. Dry conditions will develop tonight and persist through much of next week, aside from light rain potentially over the North Bay on Monday. Below average temperatures will continue and begin a slow warming trend by midweek.

DISCUSSION. as of 9:09 AM PDT Sunday . Forecast remains on track this morning. Visible satellite shows spin of clouds just offshore as upper low and surface boundary get ready to pass through the Bay Area. Radar showing scattered showers over land with heavier showers offshore getting ready to move inland from late morning through early this afternoon. Freezing levels around 5000 feet and small hail possible with heavier showers. Precip will end by this evening with dry weather overnight though valley fog formation is likely given recent rains, high boundary layer RH and light winds expected.

Another weak front approaches NorCal by early Monday and 12z NAM is holding onto light rain chances for coastal and northern Sonoma county, even into northern Napa on Monday. No significant rainfall expected up there but forecast will account for continued precip chances for that part of the district while everyone else dries out.

Long range models now show a more zonal/progressive/nw type flow for the upcoming work week. That results in dry weather and temps near normal with perhaps some slight warming later in the week. Generally looking for daytime highs mid 60s to mid 70s. Some upper 30s still possible for the coldest interior valleys but not expecting any frost potential for crop impacts this week.

Longer range trends suggest renewed rain chances by later next weekend into the week of April 6th with the long range cfs model implying above normal precip from mid to late April.

PREV DISCUSSION. as of 03:04 AM PDT Sunday . A mid/upper level trough approaching the region will result in an increase in rain showers through midday as a frontal boundary sweeps inland. These showers will likely produce anywhere from 0.10" to 0.25" with locally greater totals of around 0.50" within heavier rain showers. Precipitation will tapper off from northwest to southeast this afternoon as the boundary pushes inland and will likely end region-wide by late this evening. Meanwhile, temperatures will remain below seasonal averages with daytime highs topping out in the upper 50s to lower 60s.

Another weather system pushing inland to the north will allow for light precipitation over northern California and as far south as the North Bay on Monday. However, most locations south of the Golden Gate will remain dry and see the start of a gradual warming trend. The warming trend will continue region-wide through at least midweek as high pressure builds in from the Pacific and the storm track remains well to the north.

The latest operational forecast guidance and ensemble members are keeping temperatures near to slightly below seasonal averages through the remainder of the week. This is as the ridge of high pressure does not appear to strengthen as much as previously thought with broad troughing over the West. However, dry conditions are likely to continue across our region through at least late week.

Beyond the current 7 day forecast period, the ensemble mean from both the ECMWF and GFS suggest wet and unsettled weather conditions will return the week of April 6th. This will likely be accompanied by cooler than average temperatures as well as weather systems drop southward down the West Coast. This is also reflected in the Climate Prediction Center's 8-14 Day Outlook with higher probability of above normal precipitation across much of California.

AVIATION. as of 10:37 AM PDT Sunday . For 18Z TAFs. Scattered showers will continue to impact the terminals into the early afternoon. At that time, showers will become more isolated. Borderline MVFR/VFR conditions this morning with cigs lifting around mid-day and VFR conditions returning this afternoon. Models do show an increase in low level moisture this evening and overnight. MVFR conditions may return for some locations overnight with possible patchy fog in the North Bay early tomorrow morning. SE winds this morning generally under 10 kt, though at times winds may reach or exceed 10 kt. Guidance has delayed the wind shift out of the SW, therefore have pushed that back in the tafs by a couple of hours. Will monitor observations and make adjustments as needed.

Vicinity of KSFO . MVFR/VFR conditions this morning with rain showers bringing low ceilings. Shower activity will decrease in the afternoon though isolated precip will remain possible. Cigs expected to lift this afternoon, though FEW to SCT lower clouds may persist. E/SE winds this morning becoming W/SW this afternoon.

SFO Bridge Approach . Similar to KSFO.

Monterey Bay Terminals . MVFR/VFR ceilings this morning and early afternoon with scattered showers. Isolated showers then possible into this evening. Cigs expected to lift in the afternoon before MVFR conditions possibly return this evening and overnight. Light east to southeast winds this morning will become southwest to west this afternoon.

MARINE. as of 08:51 AM PDT Sunday . Generally light winds will persist across the coastal waters into early next week as high pressure shifts into the southern California waters. Northwest winds will increase mid week as an upper ridge builds over the eastern Pacific and an upper low moves inland well north of California. Mixed swell will continue with a moderate northwest swell and a light southwesterly swell.

MTR WATCHES/WARNINGS/ADVISORIES. Tday. None.

PUBLIC FORECAST: RWW AVIATION: AS MARINE: AS

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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
MLSC1 - Moss Landing, South Harbor, CA 14 mi59 min SSE 1 G 5.1 58°F 1021 hPa49°F
ELXC1 - Elkhorn Slough Reserve, CA 15 mi90 min SSE 4.1 56°F 1032 hPa52°F
46092 - MBM1 16 mi107 min SSE 7.8 54°F 57°F1020 hPa (+0.0)
46240 - Cabrillo Point, Monterey Bay, CA (158) 24 mi45 min 58°F1 ft
MEYC1 25 mi99 min ESE 1 G 1.9 54°F 60°F1020.6 hPa
46042 - MONTEREY - 27NM West of Monterey Bay, CA 27 mi45 min S 3.9 G 5.8 55°F 55°F1020.8 hPa51°F
46114 - West Monterey Bay, CA 28 mi45 min 57°F3 ft
RTYC1 - 9414523 - Redwood City, CA 40 mi75 min SE 5.1 G 7 55°F 58°F1020.7 hPa (+0.9)
46239 - Point Sur, CA (157) 44 mi105 min 57°F3 ft

Wind History for Monterey, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Watsonville, Watsonville Municipal Airport, CA8 mi22 minN 010.00 miOvercast56°F48°F77%1021.1 hPa

Link to 5 minute data for KWVI

Wind History from WVI (wind in knots)
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Last 24hr--CalmW54W5W10W9W9W4CalmCalmCalmCalmCalmCalmCalmCalmE3E3CalmCalmCalmCalmCalm
1 day ago3SW11
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SW10SW10W11W9W6W7CalmCalmCalmNW4N4CalmCalmCalmCalmCalmCalmCalmCalmCalm
2 days agoSW5W11W7W14NE5W5SW5NE4NW4N3NW3NW3NW4NW4NW6NW4N3N4N4N4N4CalmCalm6

Tide / Current Tables for Santa Cruz, Monterey Bay, California
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Santa Cruz
Click for Map
Sun -- 01:37 AM PDT     4.69 feet High Tide
Sun -- 06:57 AM PDT     Sunrise
Sun -- 08:33 AM PDT     0.47 feet Low Tide
Sun -- 10:02 AM PDT     Moonrise
Sun -- 03:25 PM PDT     3.28 feet High Tide
Sun -- 07:28 PM PDT     Sunset
Sun -- 08:14 PM PDT     2.75 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.34.64.74.33.62.71.70.90.50.50.81.422.633.33.33.232.82.82.83.13.5

Tide / Current Tables for Point Pinos, California Current
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Point Pinos
Click for Map
Sun -- 12:55 AM PDT     0.38 knots Max Flood
Sun -- 03:34 AM PDT     -0.00 knots Slack
Sun -- 06:57 AM PDT     Sunrise
Sun -- 07:09 AM PDT     -0.71 knots Max Ebb
Sun -- 10:02 AM PDT     Moonrise
Sun -- 10:53 AM PDT     0.00 knots Slack
Sun -- 01:54 PM PDT     0.47 knots Max Flood
Sun -- 05:26 PM PDT     -0.00 knots Slack
Sun -- 07:28 PM PDT     Sunset
Sun -- 07:42 PM PDT     -0.35 knots Max Ebb
Sun -- 10:27 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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0.30.40.30.1-0.1-0.3-0.6-0.7-0.6-0.4-0.200.20.40.50.40.30.1-0.1-0.3-0.3-0.2-0.10.1

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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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for San Francisco/Monterey Bay Area, CA (14,3,4,5)
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Ground Weather Radar Station San Francisco Bay Area, CA
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