Monday, March1, 2021
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Marine Weather and Tides
Marina, 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 6:35AMSunset 6:03PM Monday March 1, 2021 3:29 PM PST (23:29 UTC) Moonrise 9:02PMMoonset 8:19AM Illumination 89% 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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PZZ535 Monterey Bay- 246 Pm Pst Mon Mar 1 2021
Rest of today..NW winds 5 to 15 kt. Wind waves 2 to 3 ft. W swell 2 to 4 ft at 12 seconds and W up to 2 ft at 17 seconds.
Tonight..N winds up to 10 kt. Wind waves 1 ft. W swell 2 to 4 ft at 16 seconds and nw up to 2 ft at 16 seconds.
Tue..W winds 5 to 15 kt. Wind waves 1 to 2 ft. W swell 2 to 4 ft at 15 seconds.
Tue night..S winds up to 10 kt. Wind waves 2 to 3 ft. W swell 3 to 5 ft at 14 seconds.
Wed..SW winds 10 to 20 kt with gusts up to 25 kt. Wind waves 3 to 4 ft. W swell 3 to 5 ft at 14 seconds.
Wed night..SW winds 10 to 20 kt with gusts up to 25 kt. Wind waves 3 to 4 ft. W swell 3 to 5 ft at 13 seconds.
Thu..S winds 5 to 15 kt. Wind waves 1 to 2 ft. W swell 2 to 4 ft and nw up to 2 ft.
Fri..S winds up to 10 kt. Wind waves 1 ft. W swell 5 to 7 ft. A chance of rain. Locally lower winds and seas across sheltered portions of the bay.
PZZ500 246 Pm Pst Mon Mar 1 2021
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... Southerly flow continues, generally light winds except for breezy to locally gusty conditions between point sur to point pinos this afternoon and evening. Winds will generally remain light this week as a system passes to our south. Northwest swell prevails through the week.


7 Day Forecast for Marine Location Near Marina, CA
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location: 36.7, -121.86     debug


Area Discussion for - San Francisco/Monterey Bay Area, CA
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FXUS66 KMTR 012157 AFDMTR

Area Forecast Discussion National Weather Service San Francisco Bay Area 157 PM PST Mon Mar 1 2021

SYNOPSIS. Dry and mild weather conditions are forecast to persist across the region through most of the work week ahead. Rain chances develop by late in the week or by the early part of next weekend.

DISCUSSION. as of 02:00 PM PST Monday . GOES-WEST geocolor imagery picking up on faint clouds over the Monterey Bay Peninsula slowly fading away as a deepening cutoff low tracks south and parallel to the California Coast and is evident by mid-level clouds quickly traveling southward at ~140W. This is in stark contrast to the clear skies over nearly the entire State this afternoon, with well-defined snowpack evident all across the Intermountain West from the Sierra to the Wasatch Range. Zooming in on the forecast area, southerly flow has picked up along the coast since dawn owing to the influence from the offshore low. Have also observed some breezy southerly winds at higher elevations this afternoon as a result. Nonetheless, winds will remain light to occasionally breezy at times across the region, with onshore southerly flow promoting cooler temps than in recent days along south-facing portions of the coast this afternoon.

The cutoff low is progged to eventually track towards the southeast over the next couple of days as evidenced by the latest short and mid-range deterministic models. That being said, high confidence for Tuesday and Wednesday that staying well offshore during its passage over our coastal waters, so are not expecting any moisture returns from it. Given recent SREF mean solutions, looking like the bulk of the moisture associated with this system will come ashore over SoCal while its northernmost returns will still, at their closest extent to our CWA, only make it up to extreme southern Monterey County if that. Despite this miss, will be observing cooler, onshore flow through Thursday that will make for max temps along the coast that will be running around the upper-50s to low 60s F, while areas along the Bay Shoreline will max out around the upper- 60s F. Interior valleys will generally break into the low 70s during that timespan as well. Given the lack of cloud cover over the next few days, are expecting overnight radiational cooling to make for cool starts in the low to mid-30s F across the interior valleys with the potential for patchy frost as well.

The upper-level ridge has quickly retrograded towards the northcentral PAC and its axis will continue to track towards Japan through Thursday, leaving an increasingly favorable environment for upper-level troughing to develop across the East Pacific. Following the passage of this cutoff low, upper-level wave energy from the northwest Pacific will transfer into the environment, allowing for an amplification of a low pressure system that will center itself right along ~140W. Increasing confidence regarding the amplification of the upper-level trough, with EC, C, and GFS ensemble members leaning towards our area being within the divergent quadrant of the trough and in the path of the subsequent frontal passage that will occur as the system gradually comes ashore over the weekend. Disagreements lie predominantly with the timing of the initial rain bands and the max intensity of the trough between Friday and Sunday. EC members are leaning towards the amplification of the trough occuring closer to the Coast, which would allow for the system to tap into subtropical moisture more easily and produce slightly higher rainfall rates and totals than what some of the GFS and C members are leaning towards. For now, looking like the earliest the rain band would roll in to the region would be around Friday afternoon, predominantly over the North Bay Coastal Ranges, before gradually moving towards the southeast and across the rest of the CWA through Saturday morning and into Saturday afternoon. Preliminary rainfall totals from this event are ranging from a tenth to a quarter of an inch across the CWA with the highest totals likely along the coastal ranges at around half an inch. Nonetheless, still several days out and owing to the uncertainties, are sure to get a better handle on what those totals will likely wind up being as we get closer to the event.

The shift towards a wet pattern across the Eastern Pacific is coinciding with the negative PNA being observed this week. EC weeklies heavily leaning towards a negative trend at least through the first half of this month, which is promising for the region. Stay tuned.

AVIATION. as of 10:20 AM PST Monday . For the 18Z TAFs. VFR across terminals with light winds. Winds will be mostly southerly and light to breezy for the period. Skies will remain SKC-FEW250 today. Vicinity of KSFO . VFR through the period. Light southerly winds develop today. Southerly winds picking up around 19Z ranging 8-10kts for SFO. Winds will lighten again by 03Z. Skies will be mostly SKC-FEW250 through the period.

SFO Bridge Approach . Similar to KSFO.

Monterey Bay Terminals . VFR with light to calm southerly winds. KSNS could see occasional SE gusts this afternoon. Skies will remain SKC.

MARINE. as of 12:39 PM PST Monday . Light southerly winds persist today, except for locally breezy conditions from Point Sur to Point Pinos and within the Monterey Bay where there could be a brief period of gusty conditions later this afternoon. Winds will remain light this week as a system passes to our south. Northwest swell prevails through the week.

MTR WATCHES/WARNINGS/ADVISORIES. Tngt. None.

PUBLIC FORECAST: Diaz AVIATION: Bingaman MARINE: Bingaman

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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46240 - Cabrillo Point, Monterey Bay, CA (158) 6 mi33 min 55°F3 ft
MEYC1 7 mi53 min W 2.9 G 7 59°F 1018.4 hPa
MLSC1 - Moss Landing, South Harbor, CA 8 mi29 min 51°F
46092 - MBM1 10 mi92 min NW 3.9 53°F 51°F1018.7 hPa (-2.6)
ELXC1 - Elkhorn Slough Reserve, CA 10 mi104 min NNW 7 60°F 1019 hPa42°F
46269 19 mi59 min 54°F3 ft
46114 - West Monterey Bay, CA 26 mi33 min 54°F6 ft
46239 - Point Sur, CA (157) 28 mi33 min 51°F5 ft
46042 - MONTEREY - 27NM West of Monterey Bay, CA 29 mi39 min E 5.8 G 7.8 52°F 53°F6 ft1018.9 hPa47°F

Wind History for Monterey, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Monterey Regional Airport, CA8 mi35 minENE 510.00 miFair65°F48°F54%1019.3 hPa
Salinas, Salinas Municipal Airport, CA14 mi36 minNNW 1110.00 miFair64°F41°F43%1018.9 hPa
Watsonville, Watsonville Municipal Airport, CA17 mi36 minWSW 610.00 miFair62°F34°F35%1018.9 hPa

Link to 5 minute data for KMRY

Wind History from MRY (wind in knots)
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Last 24hrW6W8CalmSW3E5SE5SE6SE5SE8SE4SE3CalmSE3SE4SE4CalmSE4N3CalmN5N6N8N7E5
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W55NW6SW4CalmS4CalmE3CalmSE4SE4E3CalmE7SE7Calm3NE6N6NW8NW6N5
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Tide / Current Tables for Monterey, Monterey Harbor, California (3)
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Monterey
Click for Map
Mon -- 05:49 AM PST     1.13 feet Low Tide
Mon -- 06:37 AM PST     Sunrise
Mon -- 08:19 AM PST     Moonset
Mon -- 11:44 AM PST     5.24 feet High Tide
Mon -- 06:02 PM PST     Sunset
Mon -- 06:06 PM PST     0.29 feet Low Tide
Mon -- 09:02 PM PST     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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5.24.94.1321.31.11.62.43.44.45.15.24.83.92.71.50.60.30.61.42.53.74.7

Tide / Current Tables for Point Pinos, California Current
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Point Pinos
Click for Map
Mon -- 01:42 AM PST     -0.00 knots Slack
Mon -- 04:26 AM PST     -0.79 knots Max Ebb
Mon -- 06:37 AM PST     Sunrise
Mon -- 07:47 AM PST     0.00 knots Slack
Mon -- 08:19 AM PST     Moonset
Mon -- 10:44 AM PST     0.70 knots Max Flood
Mon -- 01:46 PM PST     -0.00 knots Slack
Mon -- 04:44 PM PST     -0.86 knots Max Ebb
Mon -- 06:02 PM PST     Sunset
Mon -- 08:12 PM PST     0.00 knots Slack
Mon -- 09:02 PM PST     Moonrise
Mon -- 11:10 PM PST     0.72 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.60.3-0.1-0.5-0.8-0.7-0.5-0.30.10.40.60.70.60.3-0.1-0.5-0.8-0.9-0.7-0.4-0.10.30.60.7

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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