Sunday, March7, 2021
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Marine Weather and Tides
Jenner, CA

Version 3.4
NOTICE
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 6:32AMSunset 6:11PM Sunday March 7, 2021 5:04 PM PST (01:04 UTC) Moonrise 3:01AMMoonset 12:27PM Illumination 31% Phase: Waning Crescent; Moon at 24 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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PZZ540 Coastal Waters From Point Arena To Point Reyes California Out To 10 Nm- 201 Pm Pst Sun Mar 7 2021
.small craft advisory in effect through late Tuesday night...
Today..NW winds 5 to 15 kt, increasing to 15 to 25 kt with gusts up to 30 kt this afternoon. Wind waves 4 to 5 ft. W swell 6 to 7 ft at 13 seconds.
Tonight..NW winds 15 to 25 kt with gusts up to 30 kt. Wind waves 3 to 4 ft. W swell 10 to 12 ft at 16 seconds.
Mon..SW winds 15 to 25 kt with gusts up to 30 kt. Wind waves 1 to 2 ft. NW swell 11 to 13 ft at 16 seconds. A chance of rain.
Mon night..SW winds 10 to 20 kt with gusts up to 25 kt. Wind waves 1 to 2 ft. NW swell 9 to 11 ft at 15 seconds. Rain likely.
Tue..S winds 10 to 20 kt with gusts up to 25 kt. Wind waves 3 to 4 ft. W swell 9 to 11 ft at 14 seconds. Showers and a slight chance of Thunderstorms.
Tue night..SW winds 10 to 15 kt. Wind waves 1 to 2 ft. W swell 9 to 11 ft at 14 seconds. Rain likely.
Wed..NW winds up to 10 kt. Wind waves 1 to 2 ft. W swell 7 to 9 ft. A chance of rain.
Thu..NW winds 10 to 20 kt with gusts up to 25 kt. Wind waves 1 to 2 ft. NW swell 5 to 7 ft. Winds and wind waves higher in and near Thunderstorms.
PZZ500 201 Pm Pst Sun Mar 7 2021
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... Northwest winds will prevail through the evening with locally moderate occasionally gusty winds along the immediate coast, particularly south of point sur, between pescadero and davenport, through the golden gate gap, and north of point reyes. Northwest winds ease and begin to back towards the west overnight and southwest tomorrow ahead of an approaching storm system that will bring showers and potentially Thunderstorms across the waters through mid week. Moderate northwest swell continues through Sunday, with a stronger northwest swell arriving Monday, bringing hazardous seas conditions for smaller vessels.


7 Day Forecast for Marine Location Near Jenner, CA
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location: 38.35, -123.35     debug


Area Discussion for - San Francisco/Monterey Bay Area, CA
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FXUS66 KMTR 072206 AFDMTR

Area Forecast Discussion National Weather Service San Francisco Bay Area 206 PM PST Sun Mar 7 2021

SYNOPSIS. Dry conditions will continue through the rest of the weekend, and temperatures will remain slightly below normal. A cool weather system dropping south offshore during the first half of the work week will produce cool and showery weather from Monday through Wednesday, along with the potential for thunderstorms on Tuesday and Wednesday. Drier and warmer conditions are likely later in the week.


DISCUSSION. as of 02:05 PM PST Sunday . Sunday afternoon is shaping up to be very similar to yesterday with mostly clear skies and highs peaking in the upper 50s and low 60s. Winds will be more tame this afternoon with only slightly breezy conditions along the coast. Overnight conditions look to follow a similar path to last night as well, meaning interior locations could see lows fall into the low 30s once again. Coastal areas look to stay closer to the 40 degree mark.

Monday begins the next batch of rain chances as a cold upper-level low approaches the Bay Area. There is strong confidence in the track and timing of this system, which places the first showers over northern Sonoma Co Monday morning as a trough reaches south of the low. The low will center itself just off the coast of Oregon that morning and will continue southward along the coast. This will cause the first few showers on Monday to be scattered, but widespread rainfall will increase as the low nears the Bay Area on Tuesday. Rainfall rates will become more moderate as the low approaches, and the cold air a loft with instability at the surface increases the chances for convection. Said convection brings the possibility for small hail production and even slight chances for infrequent lightning. The chances convective showers will start in the late morning for the Bay Area and move slowly south into the Monterey Bay and Big Sur Coast. Potential for convection looks to linger into the evening before dissipating overnight.

Showers are set to continue well into Wednesday as the center of the low moves into the Bay Area and curves inland. This push inland will begin to cut off some of the moister from the low and rain chances will back off into the evening. There are some agreements between longer term models and ensemble members of how much rain will linger, but most seem to agree on drying conditions into the late night.

Forecasted rainfall totals favor coastal Mountain ranges for the highest amounts and much less for more inland areas. The current forecast shows 1" to 1.5" for higher peaks along the coast over the 3-day period. Lower elevations along the coast are set to see 0.50" to 1", while interior areas will likely stay below 0.50". As this is over a 3-day period and rainfall rates look mild with only brief moments of moderate rainfall: the concern for debris flow is low. Ponding will be possible in favored locations, but flood potential is also low.

After this system, the extended forecast favors dry conditions into next weekend. Afternoon highs look to rise back into the 60s in time for the weekend, but the drier air may lead to cold nights.


AVIATION. as of 10:05 AM PST Sunday . For the 18Z TAFs. Widespread VFR today with breezy onshore winds this afternoon near the coastally influenced TAF sites. For tonight, patchy FEW-SCT- BKN clouds at 1500-3500 feet could bring intermittent MVFR conds. For tomorrow, an arriving storm system that will persist through mid week will bring increasing mixed cloud decks with the onset of rain by late tomorrow for northern TAF sites. Winds will back with the approaching system to become more W/SW later in the TAF period ahead of the arrival of the storm system.

Vicinity of KSFO . VFR. Light W winds around 5 kt. Breezy W to NW wind 15 to 20 knots Sunday afternoon and evening with few to sct high clouds. Patchy mid level clouds overnight with intermittent MVFR posbl into Monday morning. Winds back to W/SW ahead of next storm system tomorrow.

SFO Bridge Approach . Similar to KSFO.

Monterey Bay Terminals . VFR with clear skies. West to northwest winds 10 to 15 kt resuming Sunday afternoon and evening. Patchy/intermittent low to mid level clouds posbl tonight into Monday morning. Winds back to W/SW on monday ahead of next storm system.

MARINE. as of 02:05 PM PST Sunday . Northwest winds will prevail through the evening with locally moderate occasionally gusty winds along the immediate coast, particularly south of Point Sur, between Pescadero and Davenport, through the Golden Gate gap, and north of Point Reyes. Northwest winds ease and begin to back towards the west overnight and southwest tomorrow ahead of an approaching storm system that will bring showers and potentially thunderstorms across the waters through mid week. Moderate northwest swell continues through Sunday, with a stronger northwest swell arriving Monday, bringing hazardous seas conditions for smaller vessels.

MTR WATCHES/WARNINGS/ADVISORIES. Tngt. SCA . Mry Bay until 9 PM SCA . Pigeon Pt to Pt Pinos 0-10 nm until 9 PM SCA . Pigeon Pt to Pt Pinos 0-10 nm from 3 AM SCA . Pt Arena to Pt Reyes 0-10 nm SCA . Pt Reyes to Pigeon Pt 0-10 nm SCA . Pt Arena to Pigeon Pt 10-60 nm SCA . Pt Pinos to Pt Piedras Blancas 0-10 nm SCA . Pigeon Pt to Pt Piedras Blancas 10-60 nm from 9 PM



PUBLIC FORECAST: Murdock AVIATION: DRP MARINE: DRP

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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
BDXC1 15 mi58 min 51°F
46214 - Point Reyes, CA (029) 29 mi38 min 51°F8 ft
PRYC1 - 9415020 - Point Reyes, CA 31 mi46 min 55°F1018.7 hPa
ANVC1 - 9416841 - Arena Cove, CA 43 mi52 min WNW 9.9 G 16 51°F 1019 hPa
46026 - SAN FRANCISCO - 18NM West of San Francisco, CA 49 mi34 min NW 18 G 21 51°F1019 hPa

Wind History for Point Reyes, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Santa Rosa, Santa Rosa Sonoma County Airport, CA31 mi71 minSW 610.00 miPartly Cloudy62°F43°F50%1016.3 hPa

Link to 5 minute data for KSTS

Wind History from STS (wind in knots)
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Last 24hrSW4S5CalmS3CalmCalmCalmCalmCalmCalmCalmCalmCalmW3CalmCalmCalm3CalmCalmCalm4SW6SW5
1 day agoSW74S8SE12SW12
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N8N3W5SW3W7S4CalmCalmCalmCalmS4CalmCalmCalmCalmS35W9W12
2 days agoSW5S5CalmCalmCalmCalmCalmCalmN3NW3N4W3W3NE3CalmN3CalmCalm43SW8S7S9SW10

Tide / Current Tables for Fort Ross, California
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Fort Ross
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Sun -- 03:01 AM PST     Moonrise
Sun -- 05:05 AM PST     5.64 feet High Tide
Sun -- 06:35 AM PST     Sunrise
Sun -- 12:26 PM PST     Moonset
Sun -- 12:40 PM PST     -0.20 feet Low Tide
Sun -- 06:12 PM PST     Sunset
Sun -- 07:51 PM PST     4.37 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.13.54.14.85.45.65.54.83.82.51.30.4-0.1-0.20.20.81.72.73.64.24.44.23.73.3

Tide / Current Tables for Salt Point, California Current
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Salt Point
Click for Map
Sun -- 12:55 AM PST     0.00 knots Slack
Sun -- 03:02 AM PST     Moonrise
Sun -- 03:42 AM PST     0.59 knots Max Flood
Sun -- 06:26 AM PST     -0.00 knots Slack
Sun -- 06:36 AM PST     Sunrise
Sun -- 09:53 AM PST     -1.23 knots Max Ebb
Sun -- 12:27 PM PST     Moonset
Sun -- 02:05 PM PST     0.00 knots Slack
Sun -- 05:25 PM PST     1.00 knots Max Flood
Sun -- 06:12 PM PST     Sunset
Sun -- 08:36 PM PST     -0.00 knots Slack
Sun -- 11:07 PM PST     -0.49 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.200.30.50.60.50.2-0.3-0.8-1.1-1.2-1.1-0.9-0.6-0.10.50.8110.70.3-0.2-0.4-0.5

Weather Map
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GEOS Local Image of CentralWestCoast    EDIT
NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
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