Friday, September18, 2020
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Marine Weather and Tides
Pacific Grove, CA

Version 3.4
NOTICE
8/26/2020 The 7 day forecast is taking about 5 seconds to load but it will eventually load. NOAA is still working on it.
8/18/2020 NOAA continues to have trouble. Wind guest will occasionally be left off graphs. I am working with NOAA to resolve the issue.
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 6:51AMSunset 7:11PM Friday September 18, 2020 8:17 PM PDT (03:17 UTC) Moonrise 7:13AMMoonset 7:24PM Illumination 3% 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- 230 Pm Pdt Fri Sep 18 2020
.small craft advisory in effect until 9 pm pdt this evening...
Rest of today..W winds 15 to 25 kt with gusts up to 30 kt. Wind waves 3 to 4 ft. W swell 2 to 3 ft at 9 seconds.
Tonight..NW winds 15 to 25 kt with gusts up to 30 kt. Wind waves 1 to 2 ft. W swell 2 to 3 ft at 9 seconds.
Sat..W winds 10 to 20 kt with gusts up to 25 kt. Wind waves 3 to 4 ft. W swell 2 to 4 ft at 9 seconds.
Sat night..NW winds 10 to 20 kt with gusts up to 25 kt. Wind waves 1 ft. W swell 3 to 5 ft at 8 seconds.
Sun..W winds 5 to 15 kt. Wind waves 1 to 2 ft. W swell 2 to 4 ft at 8 seconds.
Sun night..W winds up to 10 kt. Wind waves 1 ft. W swell 2 to 4 ft at 8 seconds.
Mon..W winds 15 to 25 kt. Wind waves 3 to 4 ft. W swell 2 to 3 ft and sw up to 2 ft.
Tue..NW winds 5 to 15 kt. Wind waves 1 to 2 ft. W swell 2 to 4 ft and sw up to 2 ft. Locally lower winds and seas across sheltered portions of the bay.
PZZ500 230 Pm Pdt Fri Sep 18 2020
Synopsis for the central california coast and bays including the Monterey bay..Greater farallones...and cordell bank national marine sanctuaries... Winds continue to be out of the northwest and light, but locally stronger gusts are forecast south of pigeon point, into the northern Monterey bay, and south of point sur along the big sur coast. Winds will forecast to increase late Saturday afternoon and into Saturday evening. Seas remain mixed with a shorter period northwest swell and a moderate period south to southwest swell.


7 Day Forecast for Marine Location Near Pacific Grove, CA
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location: 36.64, -121.89     debug


Area Discussion for - San Francisco/Monterey Bay Area, CA
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FXUS66 KMTR 190026 AFDMTR

Area Forecast Discussion National Weather Service San Francisco Bay Area 526 PM PDT Fri Sep 18 2020

SYNOPSIS. Near seasonable and mild conditions continue through the weekend. Temperatures look to cool slightly to start then next work week. The mid to late portion of the next week offers a steady warming and drying trend.

DISCUSSION. as of 02:23 PM PDT Friday . Cloud cover has remained intact though much of the late morning, but cleared behind a weak front. This front has been pushing inland from a low pressure along the coast of Oregon since last night. Surface winds have stayed weak with a few areas in the upper altitudes across North Bay seeing breezier conditions, around 20 mph gusts. Winds have also began to shift behind the front with more of a westerly flow, which is expected to remain into early evening. The trough to the north will continue to push inland with the center of the associated low crossing over Oregon tonight. Winds from the surface up to 850 mb are forecast to become more Northerly this evening and overnight. The shift in winds could limit the return of the marine layer tonight. The HRRR and the NAM are indicating a weak/shallow marine layer tonight while the EURO and the GFS are not showing significant development.

Saturday morning's compressed marine layer looks to reduce chances for patchy fog and drizzle. A compressed marine layer could allow for earlier marine layer mixing and slightly warmer conditions along the coast. The models are in good agreement that winds from the surface to 700 mb level will stay Northerly for most of the day heading into Sunday. Concerns from this track of wind include drier conditions in the afternoon and the possibility to pull smoke from the August Complex back into the region. Luckily, winds look to remain generally weak. Sunday looks to continue the pattern of drier conditions and temperatures rising at a gradual pace.

Into the next work week: There is some disagreement between models on the positioning of a slight trough on Monday. They do agree on some cooling, specifically for more interior areas. This looks to be short lived, as temperatures are set to rebound and warm at a steady pace for the second half of the work week as weak ridging transits the region.

Longer term models are showing another trough moving over the West Coast the weekend after this. The main disagreement is on the depth of the trough with the GFS offering a deeper, but more widespread gradient. Again this is more than 170 hours out and model output can change wildly in that time. This is something that we will be monitoring.

AVIATION. As of 05:25 PM PDT Friday . for 00Z TAFS. VFR throughout the terminals with clear skies over land and stratus redeveloping just off the coast. Strongest stratus push is into Monterey Bay area so cigs may cover KMRY by 01z. Otherwise, vis is good throughout the region and winds are breezy from WNW, with some locally stronger gusts. Expecting a return of the marine layer for IFR- MVFR cigs for tonight but it may take a while to redevelop.

Vicinity of KSFO . VFR, with stratus lingering offshore and pushing into coastal areas. Winds WNW 15-20 kt with some higher gusts. Borderline IFR- MVFR cigs developing overnight with timing uncertain. As of now, 05-06z is forecast for stratus. Winds easing overnight. Clearing skies by mid-morning and continued onshore flow tomorrow.

SFO Bridge Approach . Similar to SFO.

Monterey Bay Terminals . Currently VFR but stratus pushing towards KMRY, so may see early evening cig there. Otherwise IFR cigs redeveloping overnight for much of the area. Winds remain onshore and breezy with a few stronger gusts through the Salinas valley, but weakening overnight. Clearing expecting by late morning with continued onshore flow.

MARINE. as of 02:21 PM PDT Friday . Winds continue to be out of the northwest and light, but locally stronger gusts are forecast south of Pigeon Point, into the northern Monterey Bay, and south of Point Sur along the Big Sur coast. Winds will forecast to increase late Saturday afternoon and into Saturday evening. Seas remain mixed with a shorter period northwest swell and a moderate period south to southwest swell.

MTR WATCHES/WARNINGS/ADVISORIES. Tngt. SCA . Mry Bay until 9 PM SCA . Pigeon Pt to Pt Pinos 0-10 nm until 9 PM SCA . Pt Pinos to Pt Piedras Blancas 0-10 nm



PUBLIC FORECAST: Garcia/Murdock AVIATION: Lorber MARINE: DK

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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) 1 mi22 min 59°F2 ft
MEYC1 2 mi42 min SW 1 G 6 63°F 60°F1015.2 hPa
46092 - MBM1 11 mi69 min WNW 16 59°F 58°F1013.3 hPa (-0.5)
MLSC1 - Moss Landing, South Harbor, CA 12 mi170 min W 12 G 33 61°F 1009.3 hPa58°F
ELXC1 - Elkhorn Slough Reserve, CA 15 mi93 min S 6 63°F 60°F
46239 - Point Sur, CA (157) 23 mi22 min 59°F4 ft
46114 - West Monterey Bay, CA 24 mi22 min 59°F4 ft
46042 - MONTEREY - 27NM West of Monterey Bay, CA 29 mi28 min NW 12 G 14 59°F 58°F4 ft1015.3 hPa59°F

Wind History for Monterey, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Monterey Regional Airport, CA4 mi24 minSW 610.00 miFair0°F0°F%1015.6 hPa
Salinas, Salinas Municipal Airport, CA15 mi25 minWNW 610.00 miFair67°F57°F73%1015.8 hPa
Watsonville, Watsonville Municipal Airport, CA21 mi25 minSSE 510.00 miFair63°F57°F84%1014.8 hPa

Link to 5 minute data for KMRY

Wind History from MRY (wind in knots)
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Last 24hrS3W4W6W5NW3W8SW3SW5SW4S3CalmCalmCalmNW5NW5NW12
G19
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1 day ago6S6CalmE5SE4W3E4SE7CalmE3CalmSE3CalmCalmW3N3N7NW663NW5NW8CalmW4
2 days agoW6SW6S4CalmCalmSW3SW3E3SE5E3E4CalmCalmN3NW4NW5NW6NW9NW9NW7NW9W11W6SW7

Tide / Current Tables for Monterey, Monterey Harbor, California
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Monterey
Click for Map
Fri -- 05:37 AM PDT     0.18 feet Low Tide
Fri -- 06:52 AM PDT     Sunrise
Fri -- 08:13 AM PDT     Moonrise
Fri -- 11:53 AM PDT     5.43 feet High Tide
Fri -- 05:57 PM PDT     0.72 feet Low Tide
Fri -- 07:09 PM PDT     Sunset
Fri -- 08:23 PM PDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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5.64.83.62.210.30.20.81.93.14.45.25.454.131.810.711.93.14.25.1

Tide / Current Tables for Point Pinos, California Current
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Point Pinos
Click for Map
Fri -- 01:24 AM PDT     -0.00 knots Slack
Fri -- 04:20 AM PDT     -0.98 knots Max Ebb
Fri -- 06:52 AM PDT     Sunrise
Fri -- 07:54 AM PDT     0.00 knots Slack
Fri -- 08:13 AM PDT     Moonrise
Fri -- 10:49 AM PDT     0.83 knots Max Flood
Fri -- 01:55 PM PDT     -0.00 knots Slack
Fri -- 04:44 PM PDT     -0.92 knots Max Ebb
Fri -- 07:09 PM PDT     Sunset
Fri -- 08:13 PM PDT     0.00 knots Slack
Fri -- 08:23 PM PDT     Moonset
Fri -- 11:10 PM PDT     0.84 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.50.2-0.3-0.7-1-0.9-0.7-0.400.50.80.80.70.4-0-0.5-0.8-0.9-0.7-0.5-0.10.30.70.8

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.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Ground Weather Radar Station San Francisco Bay Area, CA
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