Westhaven-Moonstone, CA Marine Weather and Tide Forecast
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Marine Weather and Tide Forecast for Westhaven-Moonstone, CA

May 27, 2024 5:22 AM PDT (12:22 UTC) Change Location
Sunrise 5:47 AM   Sunset 8:40 PM
Moonrise 12:00 AM   Moonset 8:16 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.

Marine Forecasts
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PZZ450 Pt St George To Cape Mendocino Out 10 Nm- 244 Am Pdt Mon May 27 2024

Today - N wind 10 to 15 kt, easing to 5 to 10 kt this afternoon. Seas 5 ft. Wave detail: nw 4 ft at 9 seconds.

Tonight - NW wind 10 to 15 kt. Seas 5 ft. Wave detail: nw 5 ft at 9 seconds and nw 2 ft at 14 seconds. Patchy drizzle.

Tue - NW wind 5 to 10 kt. Seas 5 ft. Wave detail: nw 4 ft at 9 seconds and nw 5 ft at 13 seconds.

Tue night - N wind 5 to 10 kt. Seas 6 ft. Wave detail: nw 1 foot at 5 seconds and nw 6 ft at 12 seconds. Patchy drizzle.

Wed - N wind 15 to 20 kt. Seas 6 ft. Wave detail: nw 6 ft at 11 seconds.

Wed night - N wind 15 to 20 kt. Seas 7 ft. Wave detail: nw 7 ft at 10 seconds.

Thu - N wind 20 to 25 kt. Seas 8 ft. Wave detail: nw 8 ft at 9 seconds.

Thu night - N wind 20 to 25 kt. Seas 10 ft. Wave detail: nw 10 ft at 10 seconds.

Fri - N wind 15 to 20 kt. Seas 9 ft. Wave detail: nw 9 ft at 9 seconds.

Fri night - N wind 15 to 20 kt. Seas 7 ft. Wave detail: nw 7 ft at 9 seconds.

PZZ400 244 Am Pdt Mon May 27 2024

Synopsis for northern california waters - Fresh northerly breezes will continue south of cape mendocino through Tuesday night. North of cape mendocino gentle to moderate breezes are expected. Northerly winds will then increase in all zones around midweek.


7 Day Forecast for Marine Location Near Westhaven-Moonstone, CA
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Area Discussion for - Eureka, CA
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FXUS66 KEKA 271109 AFDEKA

AREA FORECAST DISCUSSION National Weather Service Eureka CA 409 AM PDT Mon May 27 2024

SYNOPSIS
High temperatures will be warm and summer-like today inland due to an upper level ridge that has remained over over the Western US during our holiday weekend. After a trough and subsequent cooler temperatures Tuesday, much warmer temperatures are expected late week and are eventually expected to peak on Friday.



DISCUSSION
Night skies are clear over Trinity and Lake counties as an upper level high pressure over our areas is keeping upward motion from initiating. Coastal stratus has already started its battle to fill in the low elevation coastal areas tonight. Satellite imagery is already showing dense coverage over most of the northern Humboldt coast while at Mendocino and northern Del Norte counties, winds at about 2500ft are flowing offshore. This offshore flow is currently prohibiting the possibility of marine stratus reforming due to compressional heating. HRRR probabilities for cloud heights below 1000 ft are around 55 percent for Humboldt Bay, 25 percent for the Del Norte Coast, and 35 percent for the Mendocino coast. whatever stratus that does form is expected to lift by the late morning and mostly clear skies and pleasantly warm temperatures will then prevail throughout this Memorial Day. Temperatures inland Monday will warm steadily throughout the day as solar heating will have no hindrance due to clouds, with high temperatures in the low to mid 80s in most of the interior valleys. Coastal temperatures will range from the upper 50s and 60s with breezy onshore winds building throughout the day.

A trough moving through this afternoon will allow for some moisture and instability to move through. This combined with increased temperatures will enhance instability, bringing the potential for some light rain showers to pop up in the higher terrain of Trinity and Mendocino counties. The chance for thunder is nonzero, but with little mid-level moisture and low lapse rates, chances are low. NBM gives around a 10 percent probability to see thunder, while SREF gives around a 20 percent chance.

The an incoming trough arriving Tuesday morning will allow the formation of more coastal stratus and even some drizzle. Widespread high altitude cloud cover on Tuesday morning will lead to cooler temperatures inland on Tuesday afternoon. A ridge will reform over the area on Wednesday, gradually warming up the interior. Mid to high 80s are forecast for Thursday, while high 80s to low 90s are forecast for Friday. Afternoon wind gusts are possible as well, with probabilities for wind gusts above 25 mph near 70 percent along the coast Thursday and gust above 30 mph near 35 percent Friday. An even stronger ridge will lead to warm temperatures peaking on Friday as confidence builds among model ensemble members. Ensemble members are even starting to show some agreement on a weaker ridge persisting at least through Saturday. DS

AVIATION
Some status has spread across Humbodlt county along the coast and up the inland river valleys. So far this has brought MVFR conditions, but these are gradually lowering and will likely drop into IFR for a period of time this morning. This is also expanding and may make it into Crescent City this morning bringing ceilings around 1000 feet. These clouds are expected to erode by midday, but return in the evening. An approaching trough may bring some drizzle and lower visibilities along with IFR ceilings tonight. Short periods of LIFR are possible but the probabilities of it being this are lower. MKK

MARINE
An upper level trough moving into the Pacific Northwest will keep winds lighter today and Tuesday. Winds will be slightly stronger south of Cape Mendocino and have extended the small craft advisories out through Tuesday night. Waves are a combination of wind driven seas and a small northwest swell around 9 seconds.
Tuesday a new swell builds in to around 6 feet at 12 seconds by the afternoon.

Wednesday high pressure starts to strengthen again and this brings near gale to gale force winds to the waters. Confidence is growing in these gales. The NBM is showing over an 85 percent probability of gale force gusts on Thursday. Once these winds pick up the swell is expected to be obscured by the wind driven waves. Winds are expected to start to decrease Friday and into the weekend. MKK



EKA WATCHES/WARNINGS/ADVISORIES
CA...
None.
NORTHWEST CALIFORNIA COASTAL WATERS...
Small Craft Advisory until 3 AM PDT Wednesday for PZZ455- 475.




Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesinHgDewPt
TDPC1 3 mi53 min 46°F
46244 - Humboldt Bay, North Spit, CA 17 mi113 min 52°F 51°F4 ft
HBXC1 20 mi53 min 49°F
HBYC1 - 9418767 - North Spit, CA 21 mi107 min 49°F30.13
NJLC1 21 mi65 min NNE 7G8
46022 - EEL RIVER - 17NM West-Southwest of Eureka, CA 33 mi43 min N 12G16 52°F 50°F30.1349°F
CECC1 - 9419750 - Crescent City, CA 48 mi65 min NNE 1.9G1.9 45°F 48°F30.11


Wind History for Crescent City, CA
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherTempDewPtRHinHg
KACV CALIFORNIA REDWOOD COASTHUMBOLDT COUNTY,CA 5 sm29 minNW 0310 smOvercast50°F48°F94%30.11
Link to 5 minute data for KACV


Wind History from ACV
(wind in knots)
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Tide / Current for Trinidad Harbor, California
   
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Trinidad Harbor
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Mon -- 12:19 AM PDT     Moonrise
Mon -- 01:59 AM PDT     6.54 feet High Tide
Mon -- 05:48 AM PDT     Sunrise
Mon -- 09:16 AM PDT     Moonset
Mon -- 09:24 AM PDT     -1.22 feet Low Tide
Mon -- 04:29 PM PDT     4.96 feet High Tide
Mon -- 08:39 PM PDT     Sunset
Mon -- 09:07 PM PDT     3.34 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Trinidad Harbor, California, Tide feet
12
am
5.6
1
am
6.3
2
am
6.5
3
am
6.2
4
am
5.3
5
am
3.9
6
am
2.3
7
am
0.7
8
am
-0.5
9
am
-1.2
10
am
-1.1
11
am
-0.4
12
pm
0.8
1
pm
2.2
2
pm
3.5
3
pm
4.4
4
pm
4.9
5
pm
4.9
6
pm
4.6
7
pm
4
8
pm
3.6
9
pm
3.3
10
pm
3.5
11
pm
4


Tide / Current for Arcata Wharf, Humboldt Bay, California
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Arcata Wharf
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Mon -- 12:18 AM PDT     Moonrise
Mon -- 02:54 AM PDT     7.41 feet High Tide
Mon -- 05:49 AM PDT     Sunrise
Mon -- 09:17 AM PDT     Moonset
Mon -- 10:34 AM PDT     -0.90 feet Low Tide
Mon -- 05:41 PM PDT     5.48 feet High Tide
Mon -- 08:38 PM PDT     Sunset
Mon -- 10:12 PM PDT     3.93 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Arcata Wharf, Humboldt Bay, California, Tide feet
12
am
5.5
1
am
6.4
2
am
7.2
3
am
7.4
4
am
7
5
am
6.1
6
am
4.7
7
am
3
8
am
1.4
9
am
0
10
am
-0.8
11
am
-0.8
12
pm
-0.2
1
pm
1
2
pm
2.5
3
pm
3.8
4
pm
4.8
5
pm
5.4
6
pm
5.5
7
pm
5.2
8
pm
4.7
9
pm
4.2
10
pm
3.9
11
pm
4.1


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




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