Alderpoint, CA Marine Weather and Tide Forecast
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Marine Weather and Tide Forecast for Alderpoint, CA

April 14, 2024 7:27 PM PDT (02:27 UTC) Change Location
Sunrise 6:35 AM   Sunset 7:56 PM
Moonrise 9:54 AM   Moonset 1:07 AM 
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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.

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Marine Forecasts
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PZZ455 Cape Mendocino To Pt Arena Out 10 Nm- 238 Pm Pdt Sun Apr 14 2024

.small craft advisory in effect from 9 pm pdt this evening through Tuesday evening - .

Tonight - NW winds 10 to 20 kt. Gusts up to 30 kt. Waves nw building to 8 ft at 7 seconds - .and S 2 ft at 16 seconds.

Mon - NW winds 15 to 25 kt with gusts to around 35 kt. Waves nw 8 ft at 7 seconds - .and nw 4 ft at 13 seconds.

Mon night - NW winds 15 to 25 kt with gusts to around 35 kt. Waves N 9 ft at 9 seconds - .and nw 4 ft at 13 seconds.

Tue - NW winds 15 to 25 kt. Waves N 10 ft at 9 seconds - .and nw 3 ft at 12 seconds.

Tue night - N winds 20 to 30 kt. Waves N 10 ft at 9 seconds - .and nw 3 ft at 12 seconds.

Wed - N winds 15 to 25 kt. Waves N 8 ft at 10 seconds - .and S 2 ft at 18 seconds.

Thu - NW winds 10 to 15 kt. Waves N 5 ft at 9 seconds - .and S 3 ft at 16 seconds.

Fri - NW winds 10 to 15 kt. Waves N 5 ft at 5 seconds - .and S 3 ft at 15 seconds.

PZZ400 238 Pm Pdt Sun Apr 14 2024

Synopsis for northern california waters - Northerly winds are forecast to strengthen tonight through Monday. Gale force gusts are highly probable in the lee of cape mendocino and around pt st george Monday afternoon and evening. These strong northerly winds are forecast to prevail - mostly over the outer waters - through mid week. Steep northerly waves will steadily build the next 3 days, peaking around 13 ft in the outer waters by Wed.


7 Day Forecast for Marine Location Near Alderpoint, CA
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Area Discussion for - Eureka, CA
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FXUS66 KEKA 142138 AFDEKA

AREA FORECAST DISCUSSION National Weather Service Eureka CA 238 PM PDT Sun Apr 14 2024

SYNOPSIS
Rainfall and high elevation snow continues to taper off into this afternoon. Gusty NW winds will develop overnight into Monday as a high pressure ridge builds along the coast. A return to summer-like conditions and warm interior temperatures is expected this week, with coastal stratus and elevated NW winds likely.



DISCUSSION
The additional surge of moisture associated with the strong cutoff low will continually move southeast out of the region this afternoon. Into this evening and overnight, a high pressure system will build in the low pressure system's wake.

As the high pressure system takes over the region, there will be a return to more northerly to northwesterly flow. This return of northwest onshore flow will effectively cut off the supply of cold air and mid level moisture to the low pressure system. As a result, precipitation will taper off as the low continues to progress southeast into Southern California. Gusty NW winds are expected this evening and into Monday morning as a strong pressure gradient develops between the departing low and building high pressure over the Pacific. Gusts approaching 30 mph are possible along exposed ridges and coastal headlands of Cape Mendocino, with breezy conditions likely along all coastal areas.

Remaining entrained cold air will dissipate early this week as the ridge continues to build into the Pacific Northwest. Radiational cooling will be limited overnight and into Monday morning with the lingering low level moisture and cloud cover, so frost or freezing conditions will most likely not be a concern. A rapid return to summer- like conditions will ensue as interior temperatures warm into the 70's by Tuesday, with potential for highs in the 80's in the valleys for the latter half of the week. Broad high pressure subsidence will likely allow coastal stratus to return beneath a marine inversion by mid week as NW winds subside.



AVIATION
Shallow moisture and increasing onshore winds will likely result in MVFR conditions through tonight. Conditions are forecast to improve some at coastal terminals as northerlies increase, though low cloud cover and mist will probably redevelop.
Recent rainfall and moist ground along with partially clearing skies will lead to fog and low clouds in the river valleys, even for UKI, late tonight into early Monday morning. DB



MARINE
Northerly winds will steadily increase tonight through Monday. Potential for gale gusts will increase late Monday afternoon into the evening hours downwind of Cape Mendo and Cape Blanco.
Forecast coverage of gale gusts is below 50%, but increases during the evening per the HRRR probabilities Monday evening, especially for the northern outer waters. Coverage appears sufficient through the night to warrant a marginal gale. Supercritical flow with expansion fans both downwind of Cape Mendo and Cape Blanco will probably continue to yield localized regions or narrow corridors of gusts to 35-40kt Tue and Wed. Steep northerly short period waves will build in response to the steady state northerlies the next 3 days, peaking to around 13 ft on Wed over the outer waters.

Axis of strongest northerlies and largest seas will most likely shift westward toward the latter portion of the week and conditions will ease up and improve - especially for the inner waters. DB



EKA WATCHES/WARNINGS/ADVISORIES
CA...
None.
NORTHWEST CALIFORNIA COASTAL WATERS...
Small Craft Advisory until 11 PM PDT Tuesday for PZZ450.

Small Craft Advisory from 9 PM this evening to 11 PM PDT Tuesday for PZZ455.

Small Craft Advisory until 8 PM PDT Monday for PZZ470.

Gale Warning from 8 PM Monday to 5 PM PDT Wednesday for PZZ470.

Small Craft Advisory until 5 AM PDT Tuesday for PZZ475.

Gale Warning from 5 AM Tuesday to 5 PM PDT Wednesday for PZZ475.




Weather Reporting Stations
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Wind History for Arena Cove, CA
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherTempDewPtRHinHg
KFOT47 sm12 minNNW 075 smOvercast48°F48°F100%30.18
Link to 5 minute data for KFOT


Wind History from FOT
(wind in knots)
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Tide / Current for Shelter Cove, California
   
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Shelter Cove
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Sun -- 02:09 AM PDT     Moonset
Sun -- 03:09 AM PDT     5.61 feet High Tide
Sun -- 06:38 AM PDT     Sunrise
Sun -- 10:52 AM PDT     -0.18 feet Low Tide
Sun -- 10:55 AM PDT     Moonrise
Sun -- 06:27 PM PDT     4.51 feet High Tide
Sun -- 07:54 PM PDT     Sunset
Sun -- 11:09 PM PDT     3.36 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Shelter Cove, California, Tide feet
12
am
4.1
1
am
4.7
2
am
5.3
3
am
5.6
4
am
5.5
5
am
4.9
6
am
3.9
7
am
2.7
8
am
1.5
9
am
0.6
10
am
-0
11
am
-0.2
12
pm
0.1
1
pm
0.7
2
pm
1.5
3
pm
2.5
4
pm
3.4
5
pm
4.1
6
pm
4.5
7
pm
4.5
8
pm
4.2
9
pm
3.8
10
pm
3.5
11
pm
3.4



Tide / Current for Westport, California
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Westport
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Sun -- 02:06 AM PDT     Moonset
Sun -- 03:17 AM PDT     5.31 feet High Tide
Sun -- 06:38 AM PDT     Sunrise
Sun -- 10:47 AM PDT     -0.28 feet Low Tide
Sun -- 10:56 AM PDT     Moonrise
Sun -- 06:35 PM PDT     4.21 feet High Tide
Sun -- 07:52 PM PDT     Sunset
Sun -- 11:04 PM PDT     3.26 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Westport, California, Tide feet
12
am
3.9
1
am
4.5
2
am
5
3
am
5.3
4
am
5.2
5
am
4.7
6
am
3.7
7
am
2.5
8
am
1.4
9
am
0.4
10
am
-0.1
11
am
-0.3
12
pm
0
1
pm
0.6
2
pm
1.4
3
pm
2.2
4
pm
3.1
5
pm
3.8
6
pm
4.2
7
pm
4.2
8
pm
4
9
pm
3.7
10
pm
3.4
11
pm
3.3




Weather Map
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GEOS Local Image of Central West Coast   
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Eureka, CA,



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