Cape Mendocino 48 hour detailed Surf Forecast

Lat Long: 40.42° N 124.40° W

Issued: 10 am 30 Sep 2026 (local time)

Forecast update in hr min

Today's Cape Mendocino sea temperature is

11.6°C

Cape Mendocino surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Surf Forecasts:

How big are the waves at Cape Mendocino today (30 Sep):

Morning surf: Morning surf (30 Sep, local time) - 8ft (2.4m), 12s period with NW swell.
Afternoon surf: Afternoon surf (30 Sep, local time) - 8ft (2.4m), 12s period with NW swell.
Evening surf: Evening surf (30 Sep, local time) - 8ft (2.5m), 12s period with NW swell.

The current surf forecast for Cape Mendocino at 7PM is: 2.3m 12s primary swell from a Northwest direction and 0.7m 15s secondary swell from a Southwest direction (forecast issued at 10:00am September 30). The wind direction is predicted to be cross-shore.

Time (PDT) & Date	Wave Height	Wave Period
Morning (30 Sep)	8ft (2.4m)	12s
Afternoon (30 Sep)	8ft (2.4m)	12s
Evening (30 Sep)	8ft (2.5m)	12s

Table - waves today at Cape Mendocino. (Swell directed towards the surf break)

	Short Range Forecast Mostly dry. Very mild (max 18°C on Fri afternoon, min 13°C on Wed morning). Mainly fresh winds.
	Wednesday 30						Thursday 1								Friday 2
	8 AM	11 AM	2 PM	5 PM	8 PM	11 PM	2 AM	5 AM	8 AM	11 AM	2 PM	5 PM	8 PM	11 PM	2 AM	5 AM	8 AM	11 AM	2 PM	5 PM	8 PM	11 PM
Rating (10 max)	1	1	1	1	3	2	2	1	1	2	2	1	1	2	1	1	1	1	1	0	1	1
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	NW 12	NW 12	NW 12	NW 12	NW 12	NW 12	NW 8	NW 8	NW 8	NW 11	NW 11	NW 8	NW 8	NW 8	NW 8	NW 8	NW 8	NW 8	NW 8	NW 8	NW 8	NW 8
Wave Graph
kJ	1659	1632	1605	1605	1775	1617	765	724	661	1080	928	470	482	574	634	599	553	437	406	413	378	434
Wind (km/h)	N	N	NNW	N	N	N	N	N	N	NNW	NNW	N	N	N	N	N	N	NNW	NNW	N	N	N
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross
High Tide			1:48PM1.88m					4:01AM1.30m				2:37PM1.84m					5:25AM1.27m			3:37PM1.79m
Low Tide	7:55AM0.79m					9:07PM-0.10m				8:45AM0.92m				10:11PM-0.08m				9:52AM1.02m


	7:11	—	—	—	—	—	—	7:13	—	—	—	—	—	—	—	7:13	—	—	—	—	—	—
	—	—	—	7:00	—	—	—	—	—	—	—	7:00	—	—	—	—	—	—	—	6:58	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	13	16	16	16	14	13	13	13	13	17	17	17	14	14	14	14	14	17	18	17	15	15
Feels °C	9	11	12	12	11	10	9	9	10	15	14	13	10	11	11	10	11	14	14	13	12	13
Swell 1 Height (m) Direction Period (s)	SW 16	SW 16	SW 16	SW 16	NW 12	NW 8	SW 15	NW 8	NW 8	NW 11	SW 14	SW 14	SW 14	NW 8	NW 8	NW 8	NW 8	NW 8	SW 16	SW 16	NW 8	NW 8
kJ	159	201	196	236	1488	725	136	724	661	1080	99	125	125	574	634	599	553	437	214	211	378	434
Swell 2 Height (m) Direction Period (s)	S 13	SW 12	S 15	S 15	SW 15	SW 15	SW 18	SW 14	SW 14	SW 14	SW 18	SW 18	SW 18	SW 17	SW 17	SW 17	SW 17	SW 16	SW 13	SW 13	SW 16	SW 16
kJ	29	23	17	17	229	178	83	103	102	102	112	154	152	148	188	232	222	216	84	84	310	264
Swell 3 Height (m) Direction Period (s)	WSW 12	S 12	SSW 19	SSW 20	S 15	SW 18	S 14	SW 18	SW 18	SW 18	S 14	S 14	S 13	SW 14	SW 13	SW 13	SW 13	SW 13	S 13	S 13	S 12	SW 12
kJ	14	12	37	37	17	84	37	155	155	112	35	33	32	96	88	61	62	62	30	13	26	23
Wind waves Height (m) Direction Period (s)	NW 12	NW 12	NW 12	NW 12	NW 12	NW 12	NW 8	—	—	NW 8	NW 11	NW 8	NW 8	—	—	—	—	—	NW 8	NW 8	—	—
kJ	1659	1632	1605	1605	1775	1617	765	—	—	661	928	470	482	—	—	—	—	—	406	413	—	—
Nearest Offshore or Glassy	Samoa Peninsula CAL - Humboldt	South Beach CAL - Del Norte County	Doran Beach CAL - Sonoma	De Haven Creek CAL - Mendocino County	Bunkers CAL - Humboldt	South Jetty Table Bluff CAL - Humboldt	South Jetty Table Bluff CAL - Humboldt	South Jetty Table Bluff CAL - Humboldt	South Jetty Table Bluff CAL - Humboldt	Garths Reef CAL - Del Norte County	Gale Point CAL - Humboldt	Gale Point CAL - Humboldt	South Jetty Table Bluff CAL - Humboldt	South Jetty Table Bluff CAL - Humboldt	South Jetty Table Bluff CAL - Humboldt	Third Reef CAL - Humboldt	South Jetty Table Bluff CAL - Humboldt	De Haven Creek CAL - Mendocino County	Fort Point CAL - Marin County	Third Reef CAL - Humboldt	South Jetty Table Bluff CAL - Humboldt	South Jetty Table Bluff CAL - Humboldt
Rating (10 max)	4	2	4	4	4	4	4	3	3	2	3	3	3	3	3	3	3	2	1	3	3	3
Distance (km)	45	149	262	100	42	40	40	40	40	151	54	54	40	40	40	51	40	100	334	51	40	40
Best forecast wave conditions in Humboldt County	Moonstone Beach				Gale Point	Gale Point	Gale Point	Moonstone Beach	Moonstone Beach		Gale Point	Gale Point	Gale Point	Moonstone Beach	Moonstone Beach	Gale Point	Gale Point			Gale Point	Gale Point	Gale Point
Rating (10 max)	4				4	4	4	3	3		3	3	3	3	3	3	3			3	3	3
Best forecast wave conditions in United States	Lincoln City Nelscott Reef Oregon North	Kohala Lighthouse HAW - Big Island	Fullers CAL - Monterey	Doran Beach CAL - Sonoma	Gale Point CAL - Humboldt	Cape Sebastian Oregon South	Kahului Harbor HAW - Maui	Mouse Rock CAL - San Luis Obispo	Ripps Reef HAW - Oahu	La Push Washington	Gale Point CAL - Humboldt	Gale Point CAL - Humboldt	Mouse Rock CAL - San Luis Obispo	Ghost Tree CAL - Monterey	Ghost Tree CAL - Monterey	Mouse Rock CAL - San Luis Obispo	Tarantulas CAL - Santa Barbara	Andrew Molera State Park CAL - Monterey	Andrew Molera State Park CAL - Monterey	Gale Point CAL - Humboldt	Gale Point CAL - Humboldt	Cape Sebastian Oregon South
Rating (10 max)	4	3	4	4	4	4	4	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3
Header Global	Otago Peninsula - Allans Beach New Zealand	Ouano Lefts New Caledonia	Fish Boma South Africa	Bali Village Indonesia	Easky Left Ireland	Easky Left Ireland	Easky Left Ireland	Gas Bay Australia	Cobblestones Australia	Cobblestones Australia	Cabo Lastres Spain	Figueira da Foz - Buarcos Portugal	Bolina Portugal	Figueira da Foz - Buarcos Portugal	Nazare Portugal	Trial Harbour Australia	Trial Harbour Australia	Cobblestones Australia	Cobblestones Australia	Cobblestones Australia	Papatowai New Zealand	Papatowai New Zealand
Rating (10 max)	4	5	5	4	9	9	9	7	6	6	5	5	5	5	5	6	5	5	5	5	7	6

Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)

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Cape Mendocino 48 hour detailed Surf Forecast

How big are the waves at Cape Mendocino today (30 Sep):

Short Range Forecast

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