Wednesday, July8, 2020
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Marine Weather and Tides
Point Reyes Station, CA

Version 3.4
NOTICE
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 5:53AMSunset 8:37PM Wednesday July 8, 2020 1:25 AM PDT (08:25 UTC) Moonrise 10:25PMMoonset 8:21AM Illumination 91% 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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PZZ545 Coastal Waters From Point Reyes To Pigeon Point California Out To 10 Nm- 835 Pm Pdt Tue Jul 7 2020
.small craft advisory in effect until 3 am pdt Wednesday...
Tonight..NW winds 20 to 30 kt with gusts up to 40 kt. Wind waves 8 to 9 ft. NW swell 4 to 6 ft at 9 seconds and S around 2 ft at 14 seconds.
Wed..NW winds 10 to 20 kt with gusts up to 25 kt. Wind waves 3 to 4 ft. NW swell 3 to 5 ft at 9 seconds and S around 2 ft at 15 seconds.
Wed night..NW winds 15 to 25 kt with gusts up to 30 kt. Wind waves 5 to 6 ft. NW swell 3 to 5 ft at 9 seconds and S around 2 ft at 15 seconds.
Thu..NW winds 15 to 25 kt with gusts up to 30 kt. Wind waves 4 to 5 ft. NW swell 3 to 5 ft at 9 seconds and S around 2 ft at 14 seconds.
Thu night..NW winds 15 to 25 kt with gusts up to 30 kt. Wind waves 5 to 6 ft. NW swell 4 to 6 ft at 8 seconds and S around 2 ft at 14 seconds.
Fri..NW winds 10 to 20 kt with gusts up to 25 kt. Wind waves 1 to 2 ft. NW swell 2 to 4 ft at 9 seconds.
Fri night..NW winds 10 to 20 kt with gusts up to 25 kt. Wind waves 2 to 3 ft. NW swell 3 to 5 ft at 8 seconds.
Sat..NW winds 10 to 20 kt with gusts up to 25 kt. Wind waves 2 to 3 ft. NW swell 4 to 6 ft.
Sun..NW winds 10 to 20 kt with gusts up to 25 kt. Wind waves 1 to 2 ft. NW swell 3 to 5 ft.
...san francisco bar/fourfathom bank forecast..... In the deep water channel...seas 5 to 7 ft with dominate swell period of 8 seconds. Across the bar...seas 6 to 8 ft with dominate swell period of 8 seconds. Maximum ebb current of 3.0 kt at 07:19 am Wednesday and 1.7 kt at 08:25 pm Wednesday.
PZZ500 835 Pm Pdt Tue Jul 7 2020
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... Winds remain strong and out of the northwest and will prevail through Wednesday with stronger near-gale force gusts possible near the sonoma and big sur coastlines. These strong winds will continue to generate steep fresh swell and hazardous seas conditions, especially for smaller crafts. Winds are still forecast to diminish by the weekend.


7 Day Forecast for Marine Location Near Point Reyes Station, CA
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location: 38.06, -122.82     debug


Area Discussion for - San Francisco/Monterey Bay Area, CA
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FXUS66 KMTR 080532 AFDMTR

Area Forecast Discussion National Weather Service San Francisco Bay Area 1032 PM PDT Tue Jul 7 2020

SYNOPSIS. Little change in daily high and low temperatures through midweek then warming late in the week and weekend mainly inland.

DISCUSSION. as of 9:58 PM PDT Tuesday . It's clear except for a few patches of stratus and fog developing on the San Mateo Coast and the northern Monterey county coastline. The marine layer varies from 700 feet deep at Bodega Bay to close to 1,200 feet deep at Fort Ord.

Similar to previous evenings the ACV-SFO pressure gradient is stronger than forecast by 18z/00z NAM model runs, currently 6.7 mb. Clockwise surface winds around the eastern Pacific surface high pressure system is fairly robust for early July with northwest winds along the coast more spring-like, especially since the wind continues to interrupt the usual development of stratus and fog. From a precipitable water perspective it's typically 0.70" this time of year while since last Thursday it's averaged 0.45" which is drier than typical. Drier air continuously caught up in northwest wind flow with stronger mid-latitude influence is largely disrupting any foothold the stratus and fog can make. Much of mid to late spring was like this until we had a solid period of stratus and fog in late June. Upwelling due to strong northwest winds has caused the sea surface temperature at Bodega Bay buoy to lower back to 49F today, sea surface temps varying from 49F to 55F atypically cooler for early July by at least a couple degrees with NW surface winds offsetting July high sun angle warming. Average temperatures today at the coast and inland were very close to 30 year normals.

A gradual warming trend is forecast through late week as thermal ridging and eventually 500 mb geopotential heights increase, more so for later in the week. A very strong high pressure center over the SouthWest will tend to build westward causing more of a compression of the marine layer with time. In the interim varying amounts of stratus and fog coverage from day to night will continue favoring coverage at night. If a strong north pressure gradient and wind continue then the models may continue to over-forecast boundary layer humidity and ultimately over-forecast stratus and fog coverage; since there are infinite nuances it's impossible to say for sure beyond the nearest term. High temperatures will vary from the 60s/70s coastside and bayside to the 90s well inland, a few spots far inland possibly 100. Peak temperatures appear at this time to focus on Saturday and Sunday maybe some carry over of hot temps into Monday as well. Otherwise expect dry conditions with robust onshore winds mainly afternoon and evenings the next several days.

There have been data transmission issues/delays through the day including point and click issues on the website, should clear up either this evening or by early Wednesday. FAA line issue had interrupted KSNS observations earlier, however recently these observations are arriving again. Also, quite likely a sensor issue at KOAK, earlier reported 84F max temperature much warmer than surrounding locations thus max temp reported missing in the Regional Temp and Precip Table (RTP); a few inquiries regarding data were made earlier in the day.

AVIATION. As of 10:32 PM PDT Tuesday . for 06Z TAFs. Mostly VFR, with isolated IFR conditions along the Monterey Peninsula. Winds remain northwesterly and breezy, but are expected to ease overnight at most terminals. Stratus has reformed along the coastline. Terminals closer to the coast can expect MVFR conditions, while inland terminals are forecast to remain VFR with an occasional cloud passing over. Skies will clear out after 16z for VFR Wednesday afternoon with breezy winds.

Vicinity of KSFO . VFR with a FEW clouds around 1000 ft AGL. Winds remain northwest and between 15-18 kt, but will ease through the night. With consistent onshore flow, cloud cover should increase through the evening, but there is low confidence in cigs lower than MVFR conditions. VFR is forecast on Wednesday after 17z with northwest winds increasing once again, with occasional stronger gusts.

SFO Bridge Approach . Similar to KSFO.

Monterey Bay Terminals . Stratus has built up over the ocean and impacted KMRY to drop to IFR conditions a few hours earlier than previously forecast. VFR conditions remain for terminals farther inland, but cloud cover is expected to move inland as winds remain onshore. VFR Wednesday afternoon with breezy northwest winds.

MARINE. as of 8:35 PM PDT Tuesday . Winds remain strong and out of the northwest and will prevail through Wednesday with stronger near-gale force gusts possible near the Sonoma and Big Sur coastlines. These strong winds will continue to generate steep fresh swell and hazardous seas conditions, especially for smaller crafts. Winds are still forecast to diminish by the weekend.

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



PUBLIC FORECAST: Canepa AVIATION: DK MARINE: DK

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Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
46026 - SAN FRANCISCO - 18NM West of San Francisco, CA 21 mi165 min NW 18 G 21 53°F 51°F1013.2 hPa52°F
46237 - San Francisco Bar, CA (142) 21 mi55 min 53°F5 ft
TIBC1 - Tiburon Pier, San Francisco Bay, CA 23 mi39 min SSW 12 55°F 1012 hPa
RCMC1 - 9414863 - Richmond, CA 24 mi55 min S 8.9 G 11 60°F 64°F1011.9 hPa
FTPC1 - 9414290 - San Francisco, CA 26 mi55 min S 2.9 G 5.1 63°F1012.6 hPa
PPXC1 - 9414847 - Richmond (Point Potrero), CA 26 mi55 min SSW 8 G 12 59°F 1012.5 hPa
PXOC1 - 9414311 - San Francisco (Pier 1), CA 29 mi55 min SSE 4.1 G 5.1 1011.4 hPa
DPXC1 - 9415141 - Davis Point, San Pablo Bay, CA 29 mi55 min WSW 8 G 9.9 65°F 1011 hPa
46013 - Bodega Bay - 48NM North Northwest of San Francisco, CA 29 mi155 min NW 25 G 31 1012.6 hPa
PXSC1 29 mi67 min 59°F 54°F
OKXC1 - 9414776 - Oakland (Berth 34), CA 31 mi55 min SW 8.9 G 12 1012.4 hPa
OBXC1 31 mi55 min 57°F 56°F
OMHC1 - 9414769 - Oakland Middle Harbor Met, CA 32 mi55 min SW 14 G 17
AAMC1 - 9414750 - Alameda, CA 34 mi55 min WSW 8.9 G 12 71°F1012.6 hPa
LNDC1 34 mi55 min SW 5.1 G 6 1012.4 hPa
46214 - Point Reyes, CA (029) 35 mi29 min 51°F10 ft
UPBC1 37 mi55 min WNW 5.1 G 7
MZXC1 - 9415102 - Martinez-Amorco CA 37 mi55 min WNW 6 G 7 66°F 69°F1011.2 hPa
PCOC1 - 9415144 - Port Chicago, CA 41 mi55 min SW 7 G 8 64°F 70°F1010.7 hPa
SFXC1 - San Francisco Bay Reserve, CA 43 mi100 min WSW 6
PSBC1 - 9415115 - Pittsburg (Suisun Bay), CA 49 mi55 min WNW 11 G 13 70°F 1010 hPa
46012 - HALF MOON BAY - 24NM South Southwest of San Francisco, CA 49 mi155 min NNW 14 G 18 56°F 53°F

Wind History for Point Reyes, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Novato / Gnoss Field, CA15 mi30 minN 010.00 miFair55°F50°F82%1011.8 hPa
Petaluma Municipal Airport, CA18 mi30 minNNW 33.00 miFog/Mist55°F53°F94%1011.8 hPa

Link to 5 minute data for KDVO

Wind History from DVO (wind in knots)
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Tide / Current Tables for Inverness, Tomales Bay, California
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Inverness
Click for Map
Wed -- 02:22 AM PDT     5.28 feet High Tide
Wed -- 05:56 AM PDT     Sunrise
Wed -- 09:21 AM PDT     Moonset
Wed -- 09:55 AM PDT     -0.85 feet Low Tide
Wed -- 04:35 PM PDT     4.37 feet High Tide
Wed -- 08:36 PM PDT     Sunset
Wed -- 10:11 PM PDT     2.69 feet Low Tide
Wed -- 11:25 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.14.85.25.24.73.72.51.10-0.6-0.9-0.50.41.52.73.74.34.34.13.73.22.82.72.8

Tide / Current Tables for Point Reyes, California Current
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Point Reyes
Click for Map
Wed -- 02:24 AM PDT     -0.00 knots Slack
Wed -- 05:42 AM PDT     -1.42 knots Max Ebb
Wed -- 05:57 AM PDT     Sunrise
Wed -- 09:22 AM PDT     Moonset
Wed -- 09:41 AM PDT     0.00 knots Slack
Wed -- 12:44 PM PDT     1.09 knots Max Flood
Wed -- 04:07 PM PDT     -0.00 knots Slack
Wed -- 06:21 PM PDT     -0.69 knots Max Ebb
Wed -- 08:37 PM PDT     Sunset
Wed -- 09:44 PM PDT     0.00 knots Slack
Wed -- 11:25 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.70.60.2-0.3-0.9-1.3-1.4-1.2-0.8-0.40.20.711.10.90.60.1-0.4-0.7-0.6-0.5-0.20.10.4

Weather Map
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wmap_P
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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Wind Forecast for San Francisco/Monterey Bay Area, CA (4,6,7,8)
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Ground Weather Radar Station Sacramento, CA
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