Cape Mendocino 48 hour detailed Surf Forecast

Lat Long: 40.42° N 124.40° W

Issued: 4 am 27 Sep 2026 (local time)

Forecast update in hr min

Today's Cape Mendocino sea temperature is

12.5°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 (27 Sep):

Morning surf: Morning surf (27 Sep, local time) - 5ft (1.6m), 8s period with NW swell.
Afternoon surf: Afternoon surf (27 Sep, local time) - 2ft (0.6m), 17s period with SW swell.
Evening surf: Evening surf (27 Sep, local time) - 5.5ft (1.7m), 8s period with NW swell.

The current surf forecast for Cape Mendocino at 9AM is: 1.6m 8s primary swell from a Northwest direction and 0.6m 13s secondary swell from a South direction, 0.5m 17s secondary swell from a Southwest direction (forecast issued at 04:00am September 27). The wind direction is predicted to be cross-shore.

Time (PDT) & Date	Wave Height	Wave Period
Morning (27 Sep)	5ft (1.6m)	8s
Afternoon (27 Sep)	2ft (0.6m)	17s
Evening (27 Sep)	5.5ft (1.7m)	8s

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

	Short Range Forecast Mostly dry. Very mild (max 16°C on Tue afternoon, min 11°C on Sun night). Mainly fresh winds.
	Sunday 27								Monday 28								Tuesday 29
	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	2 AM	5 AM	8 AM	11 AM	2 PM	5 PM	8 PM	11 PM
Rating (10 max)	2	2	2	1	0	0	1	1	0	0	1	2	1	1	1	1	1	1	0	0	1	1	2	3
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	NW 8	NW 8	NW 8	NW 7	SW 17	SW 17	NW 7	NW 8	SW 16	WNW 17	WNW 16	WNW 16	WNW 16	WNW 15	NW 14	WNW 14	WNW 14	WNW 14	NW 14	WNW 13	WNW 13	NW 13	NW 13	NW 13
Wave Graph
kJ	305	283	276	268	190	243	318	335	169	197	539	843	822	829	846	934	934	921	754	659	581	711	700	734
Wind (km/h)	N	N	NNW	NNW	NNW	N	N	N	NNW	N	N	N	N	N	N	N	N	N	N	N	N	N	NNE	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	cross-off	cross-off
High Tide	11:59PM1.61m				12:03PM1.79m				00:50AM1.54m				12:33PM1.85m				1:45AM1.46m				1:07PM1.88m
Low Tide			6:04AM0.36m				6:40PM0.09m				6:37AM0.49m				7:23PM-0.02m				7:14AM0.64m					8:12PM-0.08m


	—	7:09	—	—	—	—	—	—	—	7:09	—	—	—	—	—	—	—	7:11	—	—	—	—	—	—
	—	—	—	—	—	7:06	—	—	—	—	—	—	—	7:05	—	—	—	—	—	—	—	7:02	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	12	12	12	15	15	14	12	12	12	11	11	14	15	15	13	13	13	12	12	15	16	16	15	15
Feels °C	10	10	10	12	10	9	8	8	8	7	7	10	9	9	8	9	8	7	7	10	11	12	11	12
Swell 1 Height (m) Direction Period (s)	NW 8	NW 8	S 13	S 13	S 13	SW 17	S 14	S 14	S 14	WNW 9	WNW 16	WNW 16	WNW 16	WNW 15	NW 14	WNW 14	WNW 14	WNW 14	NW 14	WNW 13	WNW 13	NW 13	NW 13	NW 13
kJ	305	283	121	173	119	243	148	146	146	113	539	843	822	829	846	934	934	921	754	659	581	711	700	734
Swell 2 Height (m) Direction Period (s)	S 12	S 12	SW 17	SW 17	SW 17	S 14	SW 17	SW 17	SW 16	S 14	WNW 9	WNW 9	SW 16	SW 16	S 13	S 13	SW 16	SW 15	S 13	S 13	SW 17	SW 17	SW 16	SW 16
kJ	144	146	138	148	190	102	186	173	169	144	108	77	264	206	117	117	208	106	123	119	243	334	302	248
Swell 3 Height (m) Direction Period (s)	SW 13	SW 12	SW 12	SW 12	SSW 12	SW 12	WNW 18	SSW 12	SSW 12	WNW 17	SW 16	S 13	WNW 8	WNW 8	SW 16	SW 16	S 12	SW 18	SW 15	SW 15	S 12	S 13	S 13	S 13
kJ	78	75	74	74	58	37	123	58	59	197	264	153	54	39	159	161	43	111	104	104	73	79	30	30
Wind waves Height (m) Direction Period (s)	—	—	NW 8	NW 7	NNW 7	NNW 7	NW 7	NW 8	NNW 8	NNW 8	NNW 8	NNW 8	NNW 8	NNW 7	NNW 8	NNW 8	NNW 7	NNW 7	NNW 7	NNW 6	NNW 6	NNW 6	NNW 6	NNW 6
kJ	—	—	276	268	289	289	318	335	489	579	519	483	459	435	447	447	456	348	261	197	140	126	115	141
Nearest Offshore or Glassy	South Jetty Table Bluff CAL - Humboldt	Centreville Beach CAL - Humboldt	South Jetty Table Bluff CAL - Humboldt	Garths Reef CAL - Del Norte County	Steamer Lane-Middle Peak CAL - Santa Cruz	Steamer Lane-Middle Peak CAL - Santa Cruz	Moonstone Beach 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	Fort Point CAL - Marin County	The Rivermouth CAL - Santa Cruz	Usal Beach CAL - Mendocino County	Gale Point CAL - Humboldt	Gale Point CAL - Humboldt	Gale Point CAL - Humboldt	Gale Point CAL - Humboldt	South Beach CAL - Del Norte County	Coos Bay Bastendorf Beach Oregon South	Fort Point CAL - Marin County	Mad River Beach CAL - Humboldt	Gale Point CAL - Humboldt
Rating (10 max)	3	2	2	1	1	1	2	3	3	3	4	2	2	2	4	4	4	4	3	2	4	2	3	3
Distance (km)	40	21	40	151	437	437	73	40	40	40	40	151	334	436	80	54	54	54	54	149	326	334	59	54
Best forecast wave conditions in Humboldt County	Gale Point	Moonstone Beach	Moonstone Beach				Moonstone Beach	Gale Point	Moonstone Beach	Moonstone Beach	Gale Point				Gold Bluffs Beach	Moonstone Beach	Gale Point	Gale Point	Moonstone Beach				Mad River Beach	Moonstone Beach
Rating (10 max)	3	2	2				2	3	3	3	4				4	4	4	4	3				3	3
Best forecast wave conditions in United States	Fullers CAL - Monterey	Boners CAL - San Luis Obispo	Fullers CAL - Monterey	Magics HAW - Big Island	Hilo Breakwall HAW - Big Island	Hilo Breakwall HAW - Big Island	Hilo Breakwall HAW - Big Island	Hilo Breakwall HAW - Big Island	Mouse Rock CAL - San Luis Obispo	Lincoln City Nelscott Reef Oregon North	Lincoln City Nelscott Reef Oregon North	Tombstones HAW - Big Island	Steamer Lane-Middle Peak CAL - Santa Cruz	Ranches HAW - Oahu	Hollywood Beach CAL - Ventura	Boners CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo	Ghost Tree CAL - Monterey	Kahului Harbor HAW - Maui	The Patch CAL - Marin County	Coos Bay Bastendorf Beach Oregon South	Fullers CAL - Monterey	Mouse Rock CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo
Rating (10 max)	4	4	4	3	3	3	3	3	3	4	4	3	2	2	4	4	4	4	4	4	4	4	4	4
Header Global	Asu Indonesia	Asu Indonesia	Bondo Kodi Indonesia	Bondo Kodi Indonesia	Trial Harbour Australia	Asu Indonesia	Asu Indonesia	Ahijedero Mexico	Ahijedero Mexico	Trial Harbour Australia	Trial Harbour Australia	Trial Harbour Australia	Trial Harbour Australia	Trial Harbour Australia	Banana Beach South Africa	White Rock - The Spit New Zealand	Dunedin - Bobs Beach New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand
Rating (10 max)	5	5	5	5	5	4	4	4	4	5	5	6	6	5	4	7	9	8	8	7	6	6	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)

Latest Updates

Ben Mondy

Six Sun-Soaked Summer Surf Spots: Backed by 20 years of Swell and Wind Stats (and with our 20% Summer Subscription Sale)

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Cape Mendocino surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

Cape Mendocino 48 hour detailed Surf Forecast

How big are the waves at Cape Mendocino today (27 Sep):

Short Range Forecast

Latest Updates

Surf-Forecast Now Has Webcams

Road Testing the new Db Surf Roller Pro

Summer's Short. Life Is Long.

Roadsurfing in the Basque country

Six Sun-Soaked Summer Surf Spots: Backed by 20 years of Swell and Wind Stats (and with our 20% Summer Subscription Sale)

FREE! Surf-Forecast.com widget for your website