Thursday, July29, 2021
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Marine Weather and Tides
Manila, 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 6:09AMSunset 8:36PM Thursday July 29, 2021 5:20 PM PDT (00:20 UTC) Moonrise 10:57PMMoonset 11:06AM Illumination 69% Phase: Waning Gibbous; Moon at 20 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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PZZ410 102 am pst Sun mar 7 2021 a marine weather statement has been issued for the following areas... Coastal waters from cape mendocino to pt. Arena ca out 10 nm... Coastal waters from pt. St. George to cape mendocino ca out 10 nm... Humboldt bay... Humboldt bay bar... Waters from cape mendocino to pt. Arena ca from 10 to 60 nm... Waters from pt. St. George to cape mendocino ca from 10 to 60 nm... At 1259 am pst, doppler radar indicated a line of showers, capable of producing winds to around 30 knots. These showers were located along a line extending from 19 nm west of trinidad head to 34 nm southwest of cape mendocino, moving northeast at 30 knots. Precautionary/preparedness actions... Water spouts are possible along with locally higher waves. Boaters should seek safe harbor immediately until these showers pass. Mariners can expect gusty winds to around 30 knots and locally higher waves. Boaters should seek safe harbor immediately until these storms pass. && lat...lon 4123 12411 4114 12416 4098 12412 4076 12423 4087 12415 4085 12409 4083 12408 4080 12418 4070 12421 4070 12427 4071 12427 4044 12441 4032 12435 4026 12436 4016 12425 3994 12505 4121 12458 4143 12406
PZZ400 216 Pm Pdt Thu Jul 29 2021
Synopsis for northern california waters..Gentle to fresh winds will increase slight tonight, mainly beyond 10 nm. Seas will mainly be wind driven and will increase slightly to around 5 to 8 feet. After this winds and seas will remain fairly persistent through the weekend and into early next week.


7 Day Forecast for Marine Location Near Manila, CA
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location: 40.83, -124.16     debug


Area Discussion for - Eureka, CA
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FXUS66 KEKA 292145 AFDEKA

AREA FORECAST DISCUSSION National Weather Service Eureka CA 245 PM PDT Thu Jul 29 2021

SYNOPSIS. Temperatures across interior portions of northwest California will peak from 100 to 110 Friday afternoon. Conditions will then cool during the weekend into early next week. Otherwise, isolated to scattered thunderstorms will be possible across the interior mountains through Monday.

DISCUSSION. Relatively moist mid/upper-level southerlies persist over NRN CA between an anticyclone to the east and troughing to the west. That regime combined with strong afternoon surface heating and steepening lapse rates is aiding in the development of deepening surface based cumulus over the Yolla Bolly Mountains and Trinity Alps. A few thunderstorms will likely evolve out of that cumulus field through the evening. Thereafter, a plume of monsoon moisture collocated with a pseudo elevated mixed layer emanating from the northern Sierra Nevada Mountains is forecast to spread northwest toward the EKA CWA during Friday morning. Elevated showers and thunderstorms may spread across the area as a result. However, cloudiness with that activity may also inhibit strong surface heating going into Friday afternoon and subsequently preclude robust surface based destabilization. Thus, additional storm development during peak portions of the diurnal heating cycle is uncertain at this time.

Beyond Friday . model guidance supports additional mountain thunderstorm development on a daily afternoon basis through Monday, though activity is expected to become increasingly confined to northern Trinity County. Otherwise, upper ridging and the most intense summer heat is forecast to shift east across the Rockies, with south-southwesterly flow aloft persisting through mid week. Warm, but not excessively hot temperatures will be probable across interior portions of NWRN CA as a result.

Garner

AVIATION. The marine layer remains very shallow along the coast this afternoon. As of 1pm it is hugging the coast from Trinidad all the way south past Pt Arena. Currently it is remaining off the land. HREF ceiling probabilities show it surging onshore this evening by 02Z or 03Z to KACV and KCEC and bringing in very low CIGS and VIS. Kept this idea in the TAFS, although brought it in later than the models show as it has been slow to come in the last several days. However, with it so close to shore it may come in sooner than expected. When it does come in expect it will be LIFR conditions with vis a half or a quarter mile. Friday models show it clearing out again by mid to late morning with a shallow marine layer. Inland areas are seeing some mid level clouds in association with some monsoon moisture moving north. This is expected to bring a few thunderstorms over Trinity county this afternoon, but these are not expected to impact KUKI. Late tonight into Friday there is the potential for a few thunderstorms to move across the area. These are expected to remain away from the coast and KUKI, but there is a small chance they will make impact the TAF sites Friday. MKK

MARINE. Winds and seas remain fairly calm this afternoon. Currently a small northwest wave that is a combination wind wave and fresh swell is around 3 to 5 feet at 6 to 8 seconds. In the southern waters there is also a lingering 1 to 2 foot southerly swell around 14 seconds. Tonight into Friday models are showing a subtle strengthening in the northerly winds to around 15 to 25 kt and seas to building to around 5 to 7 feet. The small craft advisories starting tonight remain on track. The southerly swell is expected to diminish tonight. Friday afternoon winds are expected to drop slightly in the outer waters and this should be enough to allow the small craft advisories to expire. Late Friday night and into the weekend winds and seas will likely flirt with small craft advisory conditions for much of the time and additional advisories may be needed to highlight this. Conditions are expected to remain fairly similar into early next week. MKK

FIRE WEATHER. Afternoon and evening thunderstorm development will be possible across the interior mountains through Monday, though storm development will become increasingly confined to northern Trinity County by early next week. In addition, lightning coverage may be sufficient for a Red Flag Warning from Friday morning through Friday evening across Trinity, northeast Mendocino, northern Lake, eastern Humboldt, and eastern Del Norte Counties. However, it is uncertain whether high based morning shower and storm development will reduce instability during Friday afternoon and subsequently inhibit redevelopment of storms during the hottest part of the day. Otherwise, interior valley temperatures will peak from 100 to 110 during Friday afternoon. That will be followed by a cooling trend this weekend into early next week.

Garner

EKA WATCHES/WARNINGS/ADVISORIES. CA . Fire Weather Watch from Friday morning through Friday evening for CAZ201-203-204-211-212-277-283.

Heat Advisory from 10 AM to 8 PM PDT Friday for CAZ107-108- 110>115.

NORTHWEST CALIFORNIA COASTAL WATERS . Small Craft Advisory from 3 AM to 3 PM PDT Friday for PZZ470.

Small Craft Advisory from 9 PM this evening to 3 PM PDT Friday for PZZ475.



Visit us at https://www.weather.gov/eureka

Follow us on Facebook and Twitter at: https://www.facebook.com/NWSEureka https://www.twitter.com/NWSEureka

For forecast zone information see the forecast zone map online: https://www.weather.gov/images/eka/zonemap.png


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
HBXC1 4 mi51 min 51°F
HBYC1 - 9418767 - North Spit, CA 5 mi51 min 52°F1015.1 hPa
NJLC1 6 mi57 min NNW 8 G 9.9 50°F
46244 - Humboldt Bay, North Spit, CA 11 mi55 min 51°F4 ft
TDPC1 16 mi51 min 51°F
46022 - EEL RIVER - 17NM West-Southwest of Eureka, CA 20 mi41 min N 14 G 18 52°F 51°F1014.4 hPa52°F
46213 - Cape Mendocino, CA (094) 48 mi55 min 53°F5 ft

Wind History for North Spit, Humboldt Bay, CA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Arcata / Eureka, Arcata Airport, CA12 mi28 minVar 65.00 miFog/Mist56°F52°F87%1015.1 hPa
Fortuna Rohnerville Airport, CA19 mi26 minNW 1210.00 miA Few Clouds63°F55°F77%1014.6 hPa

Link to 5 minute data for KACV

Wind History from ACV (wind in knots)
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Last 24hrNW4NW4CalmCalmCalmCalmCalmCalmCalmCalmE3CalmCalmCalmCalmCalmW53W4W5NW6NW5NW66
1 day agoNW3N4NW3CalmS4CalmNW3CalmCalmCalmN3E3E3NW3NW3CalmW3W4SW5W7W4W6W6W5
2 days agoW5SW5SE7S5S7S10S9S9SE6S5CalmNE3CalmNW3S3NW3CalmW5CalmE3S3W6NW3Calm

Tide / Current Tables for Samoa, Humboldt Bay, California
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Samoa
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Thu -- 04:19 AM PDT     6.11 feet High Tide
Thu -- 06:10 AM PDT     Sunrise
Thu -- 10:31 AM PDT     0.76 feet Low Tide
Thu -- 12:06 PM PDT     Moonset
Thu -- 05:29 PM PDT     6.73 feet High Tide
Thu -- 08:35 PM PDT     Sunset
Thu -- 11:24 PM PDT     2.16 feet Low Tide
Thu -- 11:56 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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33.94.95.76.165.34.12.81.60.90.81.52.53.95.16.16.76.6653.82.82.2

Tide / Current Tables for Humboldt Bay Entrance, California
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Humboldt Bay Entrance
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Thu -- 03:51 AM PDT     5.01 feet High Tide
Thu -- 06:11 AM PDT     Sunrise
Thu -- 10:31 AM PDT     0.76 feet Low Tide
Thu -- 12:06 PM PDT     Moonset
Thu -- 05:01 PM PDT     5.63 feet High Tide
Thu -- 08:35 PM PDT     Sunset
Thu -- 11:24 PM PDT     2.16 feet Low Tide
Thu -- 11:57 PM PDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.93.64.34.954.74.13.22.21.30.80.81.42.43.64.65.45.65.44.94.13.22.52.2

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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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