Wednesday, April14, 2021
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Marine Weather and Tides
Santa Cruz, 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 6:33AMSunset 7:43PM Wednesday April 14, 2021 3:11 AM PDT (10:11 UTC) Moonrise 7:06AMMoonset 9:23PM Illumination 6% Phase: Waxing Crescent; Moon at 2 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- 908 Pm Pdt Tue Apr 13 2021
Tonight..W winds 10 to 20 kt. Gusts up to 30 kt this evening. Wind waves 4 to 5 ft, decreasing to 1 to 2 ft after midnight. NW swell 2 to 4 ft at 9 seconds.
Wed..SW winds 5 to 15 kt. Wind waves 1 to 2 ft. W swell 2 to 3 ft at 10 seconds.
Wed night..SW winds 5 to 15 kt. Wind waves 1 ft. W swell around 2 ft at 15 seconds.
Thu..W winds 5 to 15 kt. Wind waves 2 to 3 ft. W swell around 2 ft at 14 seconds.
Thu night..W winds 5 to 15 kt. Wind waves 1 to 2 ft. W swell around 2 ft at 13 seconds.
Fri..W winds 10 to 20 kt with gusts up to 25 kt. Wind waves 2 to 3 ft. NW swell 2 to 3 ft at 13 seconds.
Fri night..NW winds 5 to 10 kt. Wind waves 1 ft. W swell 2 to 3 ft at 13 seconds.
Sat..NW winds 5 to 15 kt. Wind waves 1 to 2 ft. W swell 2 to 3 ft.
Sun..NW winds 5 to 15 kt. Wind waves 1 to 2 ft. W swell around 2 ft. Locally lower winds and seas across sheltered portions of the bay.
PZZ500 908 Pm Pdt Tue Apr 13 2021
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... Buoy observations are showing diminishing winds over the northern coastal waters this evening. Moderate winds still exist in the northern outer waters tonight. Gale force gusts will persist in the northern outer waters, and will start to diminish early Wednesday morning. A moderate northwest swell is also moving through the waters and will be for the remainder of the week. Steep wind waves could be combined at times with the moderate swell to produce hazardous seas for small crafts in the northern outer waters. After winds diminish early Wednesday morning, weaker winds are forecasted for the remainder of the week.


7 Day Forecast for Marine Location Near Santa Cruz, CA
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location: 36.97, -122.02     debug


Area Discussion for - San Francisco/Monterey Bay Area, CA
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FXUS66 KMTR 140733 AFDMTR

Area Forecast Discussion National Weather Service San Francisco Bay Area 1229 AM PDT Wed Apr 14 2021

SYNOPSIS. Seasonable conditions and weaker winds are forecast for Wednesday with a gradual warming trend through late week. Temperatures warm to above seasonal averages for this upcoming weekend, peaking Sunday and possibly into Monday.

DISCUSSION. as of 09:51 PM PDT Tuesday . It was a cool and breezy day across the area with some strong gusty winds on peaks and through passes. Notable max wind gusts include 52 mph on Mt Diablo, 48 mph at Byron Airport (downwind of East Bay Hills) and 47 mph at Altamont Raws (elevation 1436 ft). These elevated and terrain-driven winds were linked to a relatively strong northerly LLJ that set up off the northern CA coast. Low elevation areas along the coast and the Bay Shoreline had max gusts in the 20-30 mph range, so more like a typical breezy summer day. Most sites also experienced a good amount of cooling compared to yesterday, between 1 and 15 degrees at our climate sites. But in fact, elevated areas experienced the most cooling, as there was strong CAA throughout the boundary layer. The biggest decline, Las Trampas RAWS (elevation 1760) reported a 21 degree drop from yesterday. This brought temp's 2-7 degrees below the daily normal for most sites. These will be the coldest temp's overall for the remainder of the week.

CAA has disrupted the marine layer but patchy stratus is still developing around Monterey Bay, the SF Peninsula, East Bay, and southern Santa Clara County. Ensembles indicate stratus developing overnight from areas of SF Bay southward through the Central Coast. Skies should clear by mid-morning around SF Bay but late morning around Monterey Bay and the Central Coast. It will be another seasonably cool day, as the upper low remains anchored over the Great Basin, but winds will be less gusty. Temp's will warm a few degrees, meaning low to mid 60s near the coast and low 70s inland.

By Thursday, the upper low moves east as ridging tries to build from the west. This will allow for gradual warming each day through the end of the week. By Saturday, we may 70s at the coast and 80s inland. An upper ridge will dominate by Sunday, resulting in temp's well above normal, with 80s likely reaching the SF Bay Shoreline, and 90s in the warmest inland spots. Whether downtown SF and areas along the coast see 80s is questionable at this point, but as of now, less likely, with onshore breezes kicking in. Another question is whether the warm to hot temp's linger into Monday. GFS ensembles indicate some cooling on Monday but more drastic cooling on Tuesday, whereas ECMWF ensembles suggest stronger cooling on Monday. Since this looks to be a relatively short heat event, potential impacts appear to be low at this time. Will be monitored as the week progresses.

AVIATION. As of 12:29 AM PDT Wednesday . For the 06Z TAFs. Areas of low clouds /MVFR/ are redeveloping from the East Bay to the SF Peninsula to the north Central Coast with a gradually weakening surface to lower level cyclonic circulation moving southwestward from the Central Valley. Low clouds are forming where lower level cooling is strongest, winds are onshore with a maritime influence and there is orographic lifting to bring the air to saturation. To the north over the North Bay a weakened low level marine layer temperature inversion persists. With exception of MVFR ceiling at Petaluma Municipal Airport very little to no marine based clouds have redeveloped so far per satellite imagery.

High resolution models show a dry northwest to north wind developing in the North Bay early this morning, under nocturnal cooling a few patches of fog and/or stratus /VLIFR-IFR/ may form in the light winds preceding the dry frontal boundary. Otherwise today expect conditions to lift to VFR. Most if not all short term high resolution models are struggling with the areal coverage of low clouds early this morning.

Vicinity of KSFO . MVFR ceiling recently developed (MVFR cig also at KSJC), high resolution forecast models struggling again with actual coverage. Recently amended KSFO for cig continuing this morning though it's a low to moderate confidence forecast. The 00z Oakland sounding Tue PM was dry aloft supporting ongoing cooling along with the other factors previously mentioned supports MVFR cig to 16z today. Drier air forecast to arrive in the North Bay early this morning is not forecast to reach KSFO at least until late morning. Otherwise VFR later on today and tonight with light wind becoming onshore 15 knots in the afternoon and evening.

SFO Bridge Approach . Similar to KSFO.

Monterey Bay Terminals . Near ideal conditions for ongoing MVFR ceilings. Cigs also lifting to VFR with robust cooling in the lower levels in the absence of a marine temperature inversion. Clearing likely by late morning and afternoon, low confidence if low clouds will return tonight and Thursday morning.

MARINE. as of 09:08 PM PDT Tuesday . Buoy observations are showing diminishing winds over the northern coastal waters this evening. Moderate winds still exist in the northern outer waters tonight. Gale force gusts will persist in the northern outer waters, and will start to diminish early Wednesday morning. A moderate northwest swell is also moving through the waters and will be for the remainder of the week. Steep wind waves could be combined at times with the moderate swell to produce hazardous seas for small crafts in the northern outer waters. After winds diminish early Wednesday morning, weaker winds are forecasted for the remainder of the week.

MTR WATCHES/WARNINGS/ADVISORIES. Tngt. GLW . Pt Arena to Pigeon Pt 10-60 nm until 3 AM



PUBLIC FORECAST: Lorber AVIATION: Canepa MARINE: Dhuyvetter

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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46269 3 mi71 min 51°F 53°F4 ft
46092 - MBM1 15 mi65 min WSW 7.8 51°F 53°F1013.2 hPa (+1.1)
MLSC1 - Moss Landing, South Harbor, CA 17 mi39 min SW 9.9 51°F 44°F
ELXC1 - Elkhorn Slough Reserve, CA 18 mi86 min WSW 6 51°F 1016 hPa45°F
46042 - MONTEREY - 27NM West of Monterey Bay, CA 24 mi51 min WNW 12 G 18 51°F 52°F1013.6 hPa45°F
46114 - West Monterey Bay, CA 25 mi45 min 51°F9 ft
MEYC1 26 mi95 min WSW 7 G 13 51°F 1014.1 hPa
RTYC1 - 9414523 - Redwood City, CA 38 mi71 min Calm G 1 49°F 1012.8 hPa (+0.7)
46239 - Point Sur, CA (157) 44 mi45 min 52°F8 ft

Wind History for Monterey, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Watsonville, Watsonville Municipal Airport, CA12 mi78 minN 010.00 miOvercast50°F42°F74%1013.5 hPa

Link to 5 minute data for KWVI

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1 day agoN3CalmNE3CalmCalmSE3CalmSW43S7S4SW6SW8W7SW5W6SW4SW3W3W3SW4SW4W5W3
2 days agoE3CalmN3N3N33SE5W3CalmSW8SW6SW7SW8S7S5S6SE10E4E5E4NE3CalmCalmCalm

Tide / Current Tables for Santa Cruz, California
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Santa Cruz
Click for Map
Wed -- 06:31 AM PDT     0.05 feet Low Tide
Wed -- 06:34 AM PDT     Sunrise
Wed -- 08:05 AM PDT     Moonrise
Wed -- 01:25 PM PDT     3.55 feet High Tide
Wed -- 06:07 PM PDT     2.32 feet Low Tide
Wed -- 07:42 PM PDT     Sunset
Wed -- 10:23 PM PDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.74.43.72.61.50.60.10.10.51.21.92.73.23.53.53.22.82.52.32.42.83.33.94.4

Tide / Current Tables for Point Pinos, California Current
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Point Pinos
Click for Map
Wed -- 01:56 AM PDT     -0.00 knots Slack
Wed -- 05:07 AM PDT     -0.83 knots Max Ebb
Wed -- 06:34 AM PDT     Sunrise
Wed -- 08:06 AM PDT     Moonrise
Wed -- 08:54 AM PDT     0.00 knots Slack
Wed -- 11:51 AM PDT     0.63 knots Max Flood
Wed -- 03:15 PM PDT     -0.00 knots Slack
Wed -- 05:35 PM PDT     -0.48 knots Max Ebb
Wed -- 07:41 PM PDT     Sunset
Wed -- 08:45 PM PDT     0.00 knots Slack
Wed -- 10:22 PM PDT     Moonset
Wed -- 11:39 PM PDT     0.44 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.40.3-0-0.4-0.7-0.8-0.8-0.5-0.300.30.60.60.50.30.1-0.2-0.4-0.5-0.3-0.100.20.4

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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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