Friday, September24, 2021
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Marine Weather and Tides
Pasatiempo, CA

Version 3.4
NOTICE
3/30/2021 -- ANZ330 has been split into ANZ331 and ANZ332. Click EDIT in Marine Forecast and select your new zone.
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 6:56AMSunset 7:03PM Friday September 24, 2021 5:30 PM PDT (00:30 UTC) Moonrise 8:11PMMoonset 9:28AM Illumination 87% Phase: Waning Gibbous; Moon at 18 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- 203 Pm Pdt Fri Sep 24 2021
Rest of today..SW winds 5 to 10 kt. Wind waves 1 ft. NW swell 4 to 5 ft at 12 seconds.
Tonight..W winds around 5 kt. Wind waves 1 ft. NW swell 3 to 5 ft at 11 seconds.
Sat..W winds 5 to 10 kt. Wind waves 1 to 2 ft. NW swell 3 to 4 ft at 16 seconds.
Sat night..NW winds 5 to 10 kt. Wind waves 1 ft. Mixed swell nw 2 to 4 ft at 16 seconds and S around 2 ft at 16 seconds.
Sun..NW winds 10 to 15 kt. Wind waves 1 ft. W swell 4 to 6 ft at 15 seconds and S around 2 ft at 16 seconds.
Sun night..NW winds 10 to 15 kt. Wind waves 1 to 2 ft. W swell 4 to 5 ft at 14 seconds and S around 2 ft at 17 seconds.
Mon..NW winds 15 to 20 kt with gusts up to 25 kt. Wind waves 2 to 3 ft. W swell 3 to 5 ft and S around 2 ft.
Tue..NW winds 10 to 20 kt with gusts up to 30 kt. Wind waves 5 to 6 ft. NW swell 4 to 6 ft and S around 2 ft.
PZZ500 203 Pm Pdt Fri Sep 24 2021
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... Light to moderate southwest to northwest winds over the coastal waters through the weekend. Locally breezy afternoon and evening winds expected near the golden gate. Northwest winds will begin to increase across the waters early next week. Mixed seas continue with a moderate northwest swell and a longer period southerly swell. A new longer period northwest swell will arrive on Sunday associated with a developing low over the gulf of alaska. Seas will quickly build into Tuesday.


7 Day Forecast for Marine Location Near Pasatiempo, CA
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location: 37, -122.03     debug


Area Discussion for - San Francisco/Monterey Bay Area, CA
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FXUS66 KMTR 242047 AFDMTR

Area Forecast Discussion National Weather Service San Francisco Bay Area 147 PM PDT Fri Sep 24 2021

SYNOPSIS. A cooling trend will occur through the weekend as onshore flow and marine influences spread inland. Even cooler, unsettled conditions are likely early next week with the potential for light rain to return to the North Bay.

DISCUSSION. as of 01:46 PM PDT Friday . We're seeing another warm day across the interior with temperatures in the upper 80s to lower 90s as high pressure aloft lingers over the region. Meanwhile, the marine layer has been deepening through the day and is now around 1,000 feet in depth over the North Bay and 1,500 feet based off of the Fort Ord Profiler. With this, temperatures are holding in the upper 50s to middle 60s for most coastal areas where low clouds also linger. As the aforementioned ridge aloft weakens through the weekend and more of a zonal flow develops, look for marine influences to spread further inland. This will result in a region-wide cooling trend with night/morning low clouds likely to become more widespread across the coastal adjacent valleys.

A larger pattern shift is forecast for early next week as a mid/upper level trough develops and pushes inland over the Pacific Northwest. This will drive a frontal boundary into northern California from Monday into Tuesday resulting in widespread precipitation over the northern portion of the state. Both deterministic and ensemble guidance suggest precipitation along the cold front will dissipate as it advances toward the San Francisco Bay Area. With the best mid/upper level support north of the region, the North Bay would be the most likely region to see some light rainfall with this system with chances greatly tapering off south of the Golden Gate. Slight warming is expected mid/late next week as the aforementioned trough shifts inland and ridging builds back over the region.

AVIATION. as of 10:34 AM PDT Friday . For the 18z TAFs. A shallow marine layer remains in place as satellite imagery shows stratus along the coast and over much of the waters. Additionally, can see smoke aloft over much of the region from various wildfires. VFR conditions north of the Monterey Bay currently with clearing expected over the next couple of hours. VFR prevailing into the early evening before an early return of stratus is anticipated for coastal terminals. MVFR/IFR conditions overnight (low confidence on cig heights) as the marine layer deepens due to weakening high pressure and an approaching trough. Some patchy fog in the North Bay Valleys and around the Monterey Bay possible again into early Saturday morning. Light winds this morning increasing and turning onshore this afternoon at around 10-15 kt.

The latest HRRR smoke model forecast shows the smoke aloft moving northward throughout the day. This will create FEW to SCT cigs depending on location at about 15,000 to 25,000 ft AGL as well as some slant range visibility issues. The near surface product shows some increase in smoke across the North Bay this afternoon where some haze may occur. Elsewhere, most of the smoke looks to remain aloft.

Vicinity of KSFO . VFR through this evening. Low clouds expected to move into the bay early this evening before expanding into the terminal later tonight. MVFR/IFR cigs then expected through mid Saturday morning. Smoke aloft due to various wildfires to reduce slant range visibility. W/NW winds this afternoon around 15 kt.

KSFO Bridge Approach . Approach may lose visuals this evening before the terminal as stratus moves in. Otherwise, similar to KSFO.

Monterey Bay . IFR currently, though satellite imagery shows some signs low clouds are beginning to dissipate. VFR conditions by the afternoon before stratus quickly returns in the early evening (~01z-03z). IFR/LIFR conditions overnight with some patchy fog possible again late tonight into the early morning. Light winds this morning, W/NW in the afternoon 10-15 kt.

MARINE. as of 09:15 AM PDT Friday . Generally light southwest to northwest winds over the coastal waters through the weekend. Locally breezy afternoon and evening winds expected near the Golden Gate. Northwest winds will begin to increase across the waters early next week. Mixed seas continue with a moderate northwest swell and a longer period southerly swell. A new longer period northwest swell will arrive on Sunday associated with a developing low over the Gulf of Alaska. Seas will quickly build into Tuesday.

MTR WATCHES/WARNINGS/ADVISORIES. Tngt. SCA . SF Bay until 9 PM



PUBLIC FORECAST: RGass AVIATION: AS MARINE: AS

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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46269 5 mi31 min 58°F 62°F3 ft
46092 - MBM1 17 mi77 min WNW 5.8 58°F 60°F1012.9 hPa (-2.0)
MLSC1 - Moss Landing, South Harbor, CA 19 mi31 min WNW 2.9 58°F 56°F
ELXC1 - Elkhorn Slough Reserve, CA 20 mi46 min WNW 6 60°F 1015 hPa58°F
46042 - MONTEREY - 27NM West of Monterey Bay, CA 25 mi21 min SSW 3.9 G 5.8 58°F 62°F1013.6 hPa
46114 - West Monterey Bay, CA 27 mi35 min 62°F5 ft
46240 - Cabrillo Point, Monterey Bay, CA (158) 27 mi35 min 61°F3 ft
MEYC1 28 mi55 min WSW 5.1 G 8 60°F 62°F1013.3 hPa
RTYC1 - 9414523 - Redwood City, CA 36 mi43 min NNW 13 G 16 66°F 1012.7 hPa
46239 - Point Sur, CA (157) 46 mi35 min 61°F5 ft

Wind History for Monterey, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Watsonville, Watsonville Municipal Airport, CA13 mi38 minW 510.00 miFair66°F57°F73%1013.3 hPa

Link to 5 minute data for KWVI

Wind History from WVI (wind in knots)
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Last 24hrSW7W3CalmCalmCalmCalmCalmCalmCalmSE3CalmCalmCalmW3CalmNW33S4SW5SW8SW6SW9SW9W5
1 day agoSW6SW4CalmSW3CalmS3CalmCalmSW3CalmCalmCalmCalmS3S3CalmCalmCalmS5SW8W6SW9SW7SW5
2 days agoSW5SW5CalmCalmCalmW3W3CalmCalmCalmCalmCalmW4CalmW3S3Calm3SW8SW6SW7W9W6SW6

Tide / Current Tables for Santa Cruz, California
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Santa Cruz
Click for Map
Fri -- 01:14 AM PDT     4.00 feet High Tide
Fri -- 06:37 AM PDT     1.93 feet Low Tide
Fri -- 06:57 AM PDT     Sunrise
Fri -- 10:28 AM PDT     Moonset
Fri -- 12:55 PM PDT     4.81 feet High Tide
Fri -- 07:01 PM PDT     Sunset
Fri -- 07:25 PM PDT     0.81 feet Low Tide
Fri -- 09:10 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.743.93.52.92.3222.22.83.54.14.64.84.63.9321.20.80.91.31.82.5

Tide / Current Tables for Elkhorn Slough railroad bridge, California
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Elkhorn Slough railroad bridge
Click for Map
Fri -- 01:52 AM PDT     4.43 feet High Tide
Fri -- 06:56 AM PDT     Sunrise
Fri -- 07:13 AM PDT     1.82 feet Low Tide
Fri -- 10:26 AM PDT     Moonset
Fri -- 01:35 PM PDT     5.08 feet High Tide
Fri -- 07:00 PM PDT     Sunset
Fri -- 07:56 PM PDT     0.76 feet Low Tide
Fri -- 09:10 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.84.34.44.23.52.82.11.81.92.43.13.94.6554.63.72.71.610.811.52.2

Weather Map
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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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