Monday, October26, 2020
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Marine Weather and Tides
Lockwood, 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 7:21AMSunset 6:16PM Monday October 26, 2020 2:00 PM PDT (21:00 UTC) Moonrise 3:24PMMoonset 1:44AM Illumination 76% Phase: Waxing Gibbous; Moon at 10 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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PZZ565 Coastal Waters From Point Pinos To Point Piedras Blancas California Out To 10 Nm- 1057 Am Pdt Mon Oct 26 2020
Today..E winds 10 to 20 kt with gusts up to 25 kt, becoming W up to 10 kt this afternoon. Wind waves 3 to 4 ft, decreasing to 1 ft this afternoon. Mixed swell nw 3 to 4 ft at 10 seconds and S around 2 ft at 11 seconds.
Tonight..NW winds up to 10 kt. Wind waves 1 ft. NW swell 2 to 4 ft at 10 seconds.
Tue..SW winds around 5 kt. Wind waves 1 ft. NW swell 2 to 3 ft at 10 seconds.
Tue night..SW winds around 5 kt. Wind waves 1 ft. NW swell 2 to 3 ft at 10 seconds.
Wed..NW winds 5 to 10 kt. Wind waves 1 ft. NW swell around 2 ft at 9 seconds.
Wed night..NW winds 5 to 10 kt. Wind waves 1 to 2 ft. NW swell 2 to 3 ft at 12 seconds.
Thu..NW winds around 5 kt. Wind waves 1 ft. NW swell around 2 ft.
Fri..NW winds 5 to 10 kt. Wind waves 1 ft. NW swell around 2 ft.
PZZ500 1057 Am Pdt Mon Oct 26 2020
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... Locally gusty winds will continue into the afternoon along parts of the immediate coastline and particularly through the delta. These winds will generate steep fresh swell resulting in hazardous seas, especially for smaller crafts. Winds will diminish this afternoon aside from locally breezy conditions. Generally light winds are then expected through mid-week. Mixed seas will persist with a moderate northwest swell and a longer period southerly swell.


7 Day Forecast for Marine Location Near Lockwood, CA
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location: 35.92, -121.73     debug


Area Discussion for - San Francisco/Monterey Bay Area, CA
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FXUS66 KMTR 261738 AFDMTR

Area Forecast Discussion National Weather Service San Francisco Bay Area 1038 AM PDT Mon Oct 26 2020

SYNOPSIS. A strong and critically dry offshore wind event will persist over the greater San Francisco Bay Area through Monday morning while winds will be much weaker to the south. Critical fire weather conditions will persist in the North Bay Mountains, East Bay Hills and the Diablo Range into Tuesday where gusty winds will persist. Elsewhere, winds will diminish for most areas on Monday, yet dry conditions will persist through midweek. High pressure will bring sunny and mild to warm days through Friday, but nights will be cool with low temperatures dropping into the mid and upper 30s for the interior valleys with 40s elsewhere.

DISCUSSION. as of 09:36 AM PDT Monday . The axis of the positively- tilted trough is currently cutting through southern California this morning as our CWA wakes up to widespread windy, cool, and dry conditions. Max wind gust of 89mph was observed overnight at the Mt. St. Helena station (4339 ft), while other notable locations in the North Bay (e.g. Napa County Airport) reported overnight gusts in the 50-55 mph range.As for the East Bay, Oakland Airport reported a max overnight wind gust of 58 mph, while the Mt. Diablo Peak reported 72 mph at one point last night. Overall, the SFC-WMC gradient made it to 16.1 mb overnight, which was just shy of what short-range guidance was progging yesterday (e.g. NAM). That being said, that is still a substantial gradient and it resulted in winds that were rather impressive for this time of the year, especially along the Bay Shoreline.

As for current morning conditions, breezy conditions are still being observed over much of the Bay Area and have begun to gradually decrease since dawn. Nonetheless, there was no overnight humidity recovery regionwide, with measured RH values this morning in the single digits all the way down to the coast. Given that most of the Bay Shoreline, interior valleys, and coastal areas within the Red Flag Warning are still experiencing the culmination of single- digit RH values and NE winds, have gone ahead and extended the Red Flag Warning for those areas through 5PM today. As for the the Red Flag Warning for the North Bay Mountains and East Bay Hills, it is still valid through 5PM Tuesday. Primary concern for daytime conditions will be these breezy conditions across the Bay Area along with the critically low RH values. Winds will be lighter during the day and high- terrain locations will experience a lull through the evening before winds pick up again overnight Monday into Tuesday morning. Winds during that period are not expected to be as strong regionwide as what we observed last night, but fire concerns are still high. Please refer to the Fire Weather Discussion for a more in-depth discussion on these conditions.

PREV DISCUSSION. as of 03:20 AM PDT Monday . The much advertised strong offshore wind event is well underway across the San Francisco Bay Area this morning with critically dry conditions spreading southward into the Santa Cruz Mountains. For example, Half Moon Bay's relative humidity dropped from 94% to 12% in a matter of two hours as the offshore flow pushed to the coastline. To the south, lower elevations are seeing humidity values between 80% to 100% while conditions in the higher elevations begin to dry out as well. Wind gusts overnight have exceeded 80 mph across the Mayacamas Mountains and 70+ mph in the Diablo Range. These winds have also mixed down into the lower elevations at times with KOAK reporting a gust to 58 mph late Sunday night with other reports of 45+ mph in various locations of the greater San Francisco Bay Area. Expecting these strong winds to persist through sunrise before gradually weakening. Thus, the Wind Advisory and Red Flag Warnings will remain in place for much of the region excluding Monterey and San Benito Counties. There have been reports of small fires over the region overnight, yet firefighting efforts appear to have limited spread. The offshore winds are also keeping temperatures in 50s and 60s over the northern two-thirds of the region while 40s are being reported around the Monterey Bay region southward into the interior portions of the Central Coast.

As mentioned above, winds are generally forecast to diminish by this afternoon, especially across most of the lower elevations. Winds will remain gusty through the day and increase again tonight into Tuesday morning over the North Bay Mountains, East Bay Hill and Diablo Range where a Red Flag Warning will continue through Tuesday. Elsewhere, the warning will likely be allowed to expire later this morning. Regardless, very dry conditions will persist over much of the region through midweek as high pressure builds in from the Pacific. With weaker winds expected in the valleys overnight, temperatures will cool into the mid/upper 30s in some of the coldest interior valleys of the region. However, widespread frost does not appear likely at this time. Daytime temperatures will generally range from the upper 60s at the coast to upper 70s/lower 80s across the interior under mostly sunny conditions through midweek.

Late in the week the aforementioned ridge will shift inland and be replaced by a weak mid/upper level low off of the California coast. This will likely result in the return of a marine layer and allow for an increase in low level moisture. Thus, look for more night/morning low clouds at the coast and in the adjacent valleys with warmer overnight temperatures as well. While the GFS continues to indicate light rain over portions of the region with a dissipating frontal boundary Friday night into Saturday, ensemble members generally maintain dry conditions through the next 7 days.

AVIATION. as of 10:38 AM PDT Monday . for 18z TAFs. VFR conditions through the period as we remain under a dry offshore flow pattern. Winds aloft have begun to diminish this morning, though observations still show gusts at the higher peaks and ridges across the North and East Bay of about 40 to 50 mph. Localized areas of LLWS may still occur between 1,000 and 2,000 ft AGL across the North and East Bay into the early afternoon as surface winds have eased this morning. Gusty offshore winds at the surface over the next couple of hours will continue over the North Bay with gusts becoming more infrequent into the afternoon. Overall, expecting north to northeast winds around 10-15 kt with gusts 20 to 25 kt this morning with more north to northwest winds this afternoon 10-15 kt.

A second burst of breezier offshore winds is forecast overnight tonight, though not as intense or as widespread as last night. There is also less likelihood of stronger winds mixing down to the surface. Therefore, expect some LLWS across the Bay Area and northward with winds aloft about 30 to 35 kt tonight into tomorrow morning.

Vicinity of KSFO . VFR through the period. E/NE winds this morning around 15 kt with infrequent higher gusts possible into the early afternoon. Expecting more N/NW winds in the afternoon before surface winds diminish this evening. Increasing offshore winds aloft again overnight, but not as strong as last night (~30kt). May see some LLWS late tonight into early tomorrow morning.

SFO Bridge Approach . Similar to KSFO.

Monterey Bay Terminals . VFR through the period as dry offshore winds continue. Generally E/SE winds this morning 5-10 kt turning more NW this afternoon around 10-15 kt. Lighter winds overnight with guidance showing locally breezy SE winds down the Salinas Valley tomorrow morning.

FIRE WEATHER. as of 9:36 AM PDT Monday . As noted above the Red Flag Warning was extend through 5 PM this afternoon for all lower elevations and the Santa Cruz Mts. Winds will continue to ease through the day for lower elevations and Santa Cruz Mts, but the airmass will remain critically dry. Impressive to see single digit RH at lower elevations and along the coast. With RH that low winds only need to be 6-11 mph for Red Flag Conditions. There will be plenty of lower elevations borderline for Red Flag conditions with lack of recovery on RH, but winds will drop off. North Bay Mts and East Bay Hills will remain unchanged with Red Flags through Tuesday. Will issue a forecast update this morning with new headlines.

MARINE. as of 08:27 AM PDT Monday . Locally gusty winds will continue into mid to late morning along parts of the immediate coastline and particularly through the Delta where gale force gusts remain possible. These winds will generate steep fresh swell resulting in hazardous seas, especially for smaller crafts. Winds will diminish into the afternoon aside from locally breezy conditions over the outer waters. Generally light winds are then expected through mid-week. Mixed seas will persist with a moderate northwest swell and a longer period southerly swell.

MTR WATCHES/WARNINGS/ADVISORIES. Tday. Red Flag Warning . CAZ006-505-506-508>510-512-513-529 Wind Advisory . CAZ006-505>513-529 Red Flag Warning . CAZ507-511 SCA . Pigeon Pt to Pt Pinos 0-10 nm until 11 AM SCA . Pt Arena to Pigeon Pt 10-60 nm until 11 AM SCA . Pt Arena to Pt Reyes 0-10 nm until 3 PM SCA . Pt Reyes to Pigeon Pt 0-10 nm until 3 PM SCA . Pigeon Pt to Pt Piedras Blancas 10-60 nm until 3 PM GLW . SF Bay until 11 AM



PUBLIC FORECAST: Diaz/MM AVIATION: AS MARINE: AS FIRE WEATHER: MM

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Weather Reporting Stations
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Wind History for Monterey, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Monterey Regional Airport, CA47 mi66 minN 610.00 miFair71°F10°F10%1021 hPa

Link to 5 minute data for KMRY

Wind History from MRY (wind in knots)
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Last 24hrN5NW6NW7W9W6W3E3E3CalmS5S4S3SE6SE10CalmE5E7E6E10E4E7
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1 day agoN6N7N6NW9NW6W5SW3NW5NW4CalmCalmNW6CalmCalmN3W3W3CalmW3W4W4W4CalmN6
2 days agoNW7N6W10W7N3N3SE3SE4SE4SE3SE6S4E4SE3E5CalmCalmCalmE3CalmNE3Calm43

Tide / Current Tables for San Simeon, California
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San Simeon
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Mon -- 02:00 AM PDT     0.24 feet Low Tide
Mon -- 02:42 AM PDT     Moonset
Mon -- 07:21 AM PDT     Sunrise
Mon -- 08:38 AM PDT     4.80 feet High Tide
Mon -- 02:27 PM PDT     1.80 feet Low Tide
Mon -- 04:21 PM PDT     Moonrise
Mon -- 06:15 PM PDT     Sunset
Mon -- 08:07 PM PDT     4.70 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.20.50.20.51.22.23.34.24.74.84.43.72.92.21.81.92.333.84.44.74.53.93

Tide / Current Tables for Carmel Cove, Carmel Bay, California
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Carmel Cove
Click for Map
Mon -- 02:15 AM PDT     0.23 feet Low Tide
Mon -- 02:44 AM PDT     Moonset
Mon -- 07:26 AM PDT     Sunrise
Mon -- 08:54 AM PDT     4.75 feet High Tide
Mon -- 02:42 PM PDT     1.78 feet Low Tide
Mon -- 04:25 PM PDT     Moonrise
Mon -- 06:16 PM PDT     Sunset
Mon -- 08:23 PM PDT     4.66 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.40.60.20.411.933.94.64.84.53.93.12.41.91.82.12.83.64.24.64.64.13.2

Weather Map
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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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Ground Weather Radar Station San Francisco Bay Area, CA
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