Cape Mendocino 48 hour detailed Surf Forecast

Lat Long: 40.42° N 124.40° W

Issued: 10 am 29 Sep 2026 (local time)

Forecast update in hr min

Today's Cape Mendocino sea temperature is

12.0°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 (29 Sep):

Morning surf: Morning surf (29 Sep, local time) - 4.5ft (1.4m), 14s period with NW swell.
Afternoon surf: Afternoon surf (29 Sep, local time) - 4.5ft (1.4m), 13s period with NW swell.
Evening surf: Evening surf (29 Sep, local time) - 5ft (1.6m), 13s period with NW swell.

The current surf forecast for Cape Mendocino at 5PM is: 1.4m 13s primary swell from a Northwest direction and 0.8m 17s secondary swell from a Southwest direction, 1.2m 5s secondary swell from a North-northwest direction (forecast issued at 10:00am September 29). The wind direction is predicted to be cross-offshore.

Time (PDT) & Date	Wave Height	Wave Period
Morning (29 Sep)	4.5ft (1.4m)	14s
Afternoon (29 Sep)	4.5ft (1.4m)	13s
Evening (29 Sep)	5ft (1.6m)	13s

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

	Short Range Forecast Mostly dry. Very mild (max 18°C on Thu afternoon, min 11°C on Tue morning). Mainly fresh winds.
	Tuesday 29						Wednesday 30								Thursday 1
	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)	2	1	1	2	3	3	1	1	1	1	1	2	2	2	1	1	2	1	1	1	1	0
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	NW 14	WNW 13	NW 13	NW 13	NW 13	NW 13	NW 13	NW 12	NW 12	NW 12	NW 12	NW 12	NW 8	NW 8	WNW 11	NW 11	NW 8	NW 8	NW 8	NW 8	NW 8	SW 17
Wave Graph
kJ	765	659	711	711	757	878	1751	1830	1866	1731	1702	1605	489	931	382	334	792	678	639	604	634	148
Wind (km/h)	N	N	N	N	NNE	N	N	N	N	N	NNW	N	N	N	N	N	N	N	NNW	N	N	N
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross-off	cross	cross	cross-off	cross-off	cross-off	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross
High Tide			1:07PM1.88m					2:48AM1.37m			1:48PM1.88m					4:01AM1.30m				2:37PM1.84m
Low Tide	7:14AM0.64m					8:12PM-0.08m			7:55AM0.79m					9:07PM-0.10m				8:45AM0.92m				10:11PM-0.08m


	7:11	—	—	—	—	—	—	7:11	—	—	—	—	—	—	—	7:13	—	—	—	—	—	—
	—	—	—	7:02	—	—	—	—	—	—	—	7:00	—	—	—	—	—	—	—	7:00	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	11	15	16	16	14	14	14	13	13	15	16	16	14	13	13	13	13	17	18	18	15	15
Feels °C	7	10	11	12	11	11	10	8	9	11	12	12	11	10	9	9	10	14	15	14	12	12
Swell 1 Height (m) Direction Period (s)	NW 14	WNW 13	NW 13	NW 13	NW 13	NW 13	SW 16	SW 16	SW 16	SW 16	SW 16	SW 16	NW 12	SW 15	WNW 11	NW 11	NW 8	NW 8	SW 14	SW 14	SW 14	NW 8
kJ	765	659	711	711	757	878	203	203	159	201	196	236	407	178	382	334	792	678	99	99	125	751
Swell 2 Height (m) Direction Period (s)	S 13	S 13	SW 17	SW 17	SW 16	SW 16	SSW 13	SSW 13	S 13	WSW 12	S 15	S 15	SW 15	SW 18	SW 15	SW 14	SW 14	SW 14	SW 18	SW 18	SW 18	SW 17
kJ	123	117	243	330	302	248	34	34	29	14	17	17	229	84	136	103	102	102	112	154	152	148
Swell 3 Height (m) Direction Period (s)	SW 15	SW 15	S 12	SSW 13	SSW 13	SSW 13	SSW 20	SSW 20	WSW 12	S 12	SSW 19	SSW 20	S 15	S 15	SW 18	SW 18	SW 18	SW 18	S 14	S 14	S 13	SW 14
kJ	104	104	72	34	34	34	38	37	14	12	37	37	17	17	83	155	155	112	35	33	32	91
Wind waves Height (m) Direction Period (s)	NNW 6	NNW 6	NNW 5	NNW 5	NNW 5	NNW 6	NW 13	NW 12	NW 12	NW 12	NW 12	NW 12	NW 8	NW 8	NNW 8	NNW 8	NNW 8	—	NW 8	NW 8	NW 8	—
kJ	165	96	78	67	59	100	1751	1830	1866	1731	1702	1605	489	931	790	717	341	—	639	604	634	—
Nearest Offshore or Glassy	South Jetty Table Bluff CAL - Humboldt	Gale Point CAL - Humboldt	Fort Point CAL - Marin County	The Rivermouth CAL - Santa Cruz	Garths Reef CAL - Del Norte County	Mad River Beach CAL - Humboldt	Gale Point CAL - Humboldt	Gale Point CAL - Humboldt	Samoa Peninsula CAL - Humboldt	South Beach CAL - Del Norte County	Doran Beach CAL - Sonoma	De Haven Creek CAL - Mendocino County	Harbor Entrance at Eureka 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	South Beach CAL - Del Norte County	De Haven Creek CAL - Mendocino County	Third Reef CAL - Humboldt	South Jetty Table Bluff CAL - Humboldt	South Jetty Table Bluff CAL - Humboldt
Rating (10 max)	3	3	2	2	2	4	4	4	4	2	4	4	4	4	4	4	3	2	3	3	3	4
Distance (km)	40	54	334	436	151	59	54	54	45	149	262	100	41	40	40	40	40	149	100	51	40	40
Best forecast wave conditions in Humboldt County	Moonstone Beach	Gale Point				Moonstone Beach	Moonstone Beach	Moonstone Beach	Moonstone Beach				Gale Point	Gale Point	Trinidad State Beach	Bunkers	Moonstone Beach			Gale Point	Moonstone Beach	Bunkers
Rating (10 max)	3	3				4	4	4	4				4	4	4	4	3			3	3	4
Best forecast wave conditions in United States	Ghost Tree CAL - Monterey	Fullers CAL - Monterey	Fullers CAL - Monterey	Fullers CAL - Monterey	Pipeline HAW - Oahu	Mouse Rock CAL - San Luis Obispo	Boners CAL - San Luis Obispo	Ghost Tree CAL - Monterey	Government Point CAL - Santa Barbara	Kohala Lighthouse HAW - Big Island	Doran Beach CAL - Sonoma	Doran Beach CAL - Sonoma	Tarantulas CAL - Santa Barbara	Andrew Molera State Park CAL - Monterey	Kahului Harbor HAW - Maui	Hare Creek CAL - Mendocino County	Ghost Tree CAL - Monterey	La Push Washington	Sand Dollar Beach CAL - Monterey	Andrew Molera State Park CAL - Monterey	Mouse Rock CAL - San Luis Obispo	Bunkers CAL - Humboldt
Rating (10 max)	4	4	4	3	3	4	4	4	4	3	4	4	4	4	4	4	3	3	3	3	3	4
Header Global	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Fullers United States	Dinner Plates New Zealand	Papatowai New Zealand	Otago Peninsula - Allans Beach New Zealand	Pascuales Mexico	Ouano Lefts New Caledonia	Gerickes Point South Africa	Supertubes Australia	Easky Left Ireland	Easky Left Ireland	Easky Left Ireland	Gas Bay Australia	Cobblestones Australia	Cobblestones Australia	Cavalos de Fao Portugal	Figueira da Foz - Buarcos Portugal	Bolina Portugal	Figueira da Foz - Buarcos Portugal
Rating (10 max)	8	7	7	6	5	5	5	4	5	5	5	8	9	9	9	7	6	6	6	5	5	5

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 (29 Sep):

Short Range Forecast

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