Cape Mendocino 48 hour detailed Surf Forecast

Lat Long: 40.42° N 124.40° W

Issued: 4 pm 28 Sep 2026 (local time)

Forecast update in hr min

Today's Cape Mendocino sea temperature is

12.1°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 (28 Sep):

Afternoon surf: Afternoon surf (28 Sep, local time) - 4.5ft (1.3m), 15s period with WNW swell.
Evening surf: Evening surf (28 Sep, local time) - 5ft (1.5m), 14s period with WNW swell.

The current surf forecast for Cape Mendocino at 11PM is: 1.5m 14s primary swell from a West-northwest direction and 0.6m 13s secondary swell from a South direction (forecast issued at 04:00pm September 28). An open ocean swell of 1.7m 7s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (PDT) & Date	Wave Height	Wave Period
Morning (28 Sep)	-	-
Afternoon (28 Sep)	4.5ft (1.3m)	15s
Evening (28 Sep)	5ft (1.5m)	14s

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

	Short Range Forecast Mostly dry. Very mild (max 17°C on Thu morning, min 11°C on Mon night). Mainly fresh winds.
	Mon 28				Tuesday 29								Wednesday 30
	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	2	3	1	1	1	1	1	1	3	2	1	1	1	1	1	2	3	2
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	WNW 16	WNW 15	NW 14	WNW 14	WNW 14	WNW 14	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 12	NW 8
Wave Graph
kJ	822	829	846	934	934	921	765	659	711	711	757	1204	1863	2044	1966	1830	1605	1605	1775	774
Wind (km/h)	N	N	NNE	NNE	N	N	N	N	N	N	NNE	N	N	N	N	N	NNW	N	N	N
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross	cross	cross-off	cross-off	cross	cross	cross	cross	cross	cross	cross-off	cross	cross	cross	cross	cross	cross	cross	cross	cross
High Tide	12:33PM1.85m				1:45AM1.46m				1:07PM1.88m					2:48AM1.37m			1:48PM1.88m
Low Tide			7:23PM-0.02m				7:14AM0.64m					8:12PM-0.08m			7:55AM0.79m					9:07PM-0.10m


	—	—	—	—	—	7:11	—	—	—	—	—	—	—	7:11	—	—	—	—	—	—
	—	7:05	—	—	—	—	—	—	—	7:02	—	—	—	—	—	—	—	7:00	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	15	14	12	11	12	12	12	15	16	16	14	14	14	13	13	16	16	16	14	14
Feels °C	10	8	7	7	7	7	7	10	11	12	11	11	10	8	9	12	11	12	11	11
Swell 1 Height (m) Direction Period (s)	WNW 16	WNW 15	NW 14	WNW 14	WNW 14	WNW 14	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
kJ	822	829	846	934	934	921	765	659	711	711	757	1204	203	203	159	201	196	236	1488	178
Swell 2 Height (m) Direction Period (s)	WNW 8	SW 16	WNW 8	S 13	SW 16	SW 15	S 13	S 13	SW 17	SW 17	SW 16	SW 16	SSW 13	SSW 13	S 13	WSW 12	SSW 19	S 15	SW 15	SW 18
kJ	72	206	55	117	208	106	123	117	243	334	302	248	34	33	29	14	37	17	229	84
Swell 3 Height (m) Direction Period (s)	SW 16	WNW 8	S 13	SW 16	S 12	SW 18	SW 15	SW 15	S 12	SSW 13	SSW 13	SSW 13	SSW 20	SSW 20	WSW 12	SSW 20	S 15	SSW 20	S 15	S 15
kJ	264	51	117	159	43	111	104	104	72	34	34	34	38	37	14	37	17	37	17	17
Wind waves Height (m) Direction Period (s)	NNW 7	NNW 7	NNW 7	NNW 7	NNW 7	NNW 7	NNW 6	NNW 6	NNW 6	NNW 6	NNW 5	N 6	NW 13	NW 12	NW 12	NW 12	NW 12	NW 12	NW 12	NW 8
kJ	334	301	237	286	293	277	210	137	119	100	80	39	1863	2044	1966	1830	1605	1605	1775	774
Nearest Offshore or Glassy	Garths Reef CAL - Del Norte County	The Rivermouth CAL - Santa Cruz	Usal Beach CAL - Mendocino County	Mad River Beach CAL - Humboldt	Gale Point CAL - Humboldt	Usal Beach CAL - Mendocino County	South Jetty Table Bluff CAL - Humboldt	Gale Point CAL - Humboldt	Bolinas Jetty CAL - Marin County	The Rivermouth CAL - Santa Cruz	Garths Reef CAL - Del Norte County	Mad River Beach CAL - Humboldt	Mad River Beach CAL - Humboldt	Third Reef CAL - Humboldt	South Jetty Table Bluff CAL - Humboldt	South Beach CAL - Del Norte County	Doran Beach CAL - Sonoma	Gale Point CAL - Humboldt	South Jetty Table Bluff CAL - Humboldt	South Jetty Table Bluff CAL - Humboldt
Rating (10 max)	2	2	4	3	4	4	4	3	2	2	2	4	4	4	4	2	4	4	4	4
Distance (km)	151	436	80	59	54	80	40	54	316	436	151	59	59	51	40	149	262	54	40	40
Best forecast wave conditions in Humboldt County				Moonstone Beach	Gale Point	The Lagoons	Bunkers	Gale Point				Moonstone Beach	Moonstone Beach	Moonstone Beach	Moonstone Beach			Gale Point	Gale Point	Gale Point
Rating (10 max)				3	4	4	4	3				4	4	4	4			4	4	4
Best forecast wave conditions in United States	The Patch CAL - Marin County	Ranches HAW - Oahu	Lincoln City Nelscott Reef Oregon North	Boners CAL - San Luis Obispo	Consessions/Big Rights HAW - Oahu	Boners CAL - San Luis Obispo	Kahului Harbor HAW - Maui	Lincoln City Nelscott Reef Oregon North	The Patch CAL - Marin County	Pipeline HAW - Oahu	El Capitan CAL - Santa Barbara	Mouse Rock CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo	Lincoln City Nelscott Reef Oregon North	Ghost Tree CAL - Monterey	Rockaway CAL - San Mateo	Doran Beach CAL - Sonoma	Cojo CAL - Santa Barbara	Tarantulas CAL - Santa Barbara	Andrew Molera State Park CAL - Monterey
Rating (10 max)	4	2	4	4	4	4	4	4	4	3	4	4	4	4	4	4	4	4	4	4
Header Global	Trial Harbour Australia	Airport Rights New Zealand	Airport Rights New Zealand	Humenga Point New Zealand	White Rock - The Spit New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Dinner Plates New Zealand	Papatowai New Zealand	Papatowai New Zealand	Otago Peninsula - Allans Beach New Zealand	Ouano Lefts New Caledonia	Fish Boma South Africa	Easky Left Ireland	Easky Left Ireland	Easky Left Ireland
Rating (10 max)	6	4	5	5	6	9	8	7	7	6	5	5	5	5	4	5	5	9	9	9

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 (28 Sep):

Short Range Forecast

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