Big River 48 hour detailed Surf Forecast

Lat Long: 39.30° N 123.80° W

Issued: 3 am 10 Nov 2026 (local time)

Forecast update in hr min

Today's Big River sea temperature is

16.9°C

Big River 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 Big River today (10 Nov):

Morning surf: Morning surf (10 Nov, local time) - 10ft (3.0m), 13s period with WNW swell.
Afternoon surf: Afternoon surf (10 Nov, local time) - 10ft (3.0m), 13s period with WNW swell.
Evening surf: Evening surf (10 Nov, local time) - 10ft (3.0m), 14s period with WNW swell.

The current surf forecast for Big River at 11AM is: 3.0m 13s primary swell from a West-northwest direction and 0.6m 15s secondary swell from a South-southwest direction (forecast issued at 03:00am November 10). The wind direction is predicted to be cross-shore.

Time (PST) & Date	Wave Height	Wave Period
Morning (10 Nov)	10ft (3.0m)	13s
Afternoon (10 Nov)	10ft (3.0m)	13s
Evening (10 Nov)	10ft (3.0m)	14s

Table - waves today at Big River. (Swell directed towards the surf break)

	Short Range Forecast Some drizzle, heaviest during Thu night. Very mild (max 19°C on Thu morning, min 14°C on Tue night). Winds increasing (calm on Tue morning, fresh winds from the S by Thu night).
	Tuesday 10								Wednesday 11								Thursday 12								Fri 13
	1 AM	4 AM	7 AM	10 AM	1 PM	4 PM	7 PM	10 PM	1 AM	4 AM	7 AM	10 AM	1 PM	4 PM	7 PM	10 PM	1 AM	4 AM	7 AM	10 AM	1 PM	4 PM	7 PM	10 PM	1 AM	4 AM	7 AM
Rating (10 max)	4	4	4	4	2	3	4	4	4	4	4	3	2	3	4	5	5	5	4	4	0	2	3	3	3	3	0
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	WNW 13	WNW 13	WNW 13	WNW 13	WNW 13	WNW 13	WNW 14	WNW 14	WNW 13	WNW 13	WNW 12	WNW 13	WNW 13	WNW 13	WNW 13	WNW 13	WNW 15	WNW 15	WNW 15	WNW 15	WNW 15	WNW 15	W 15	WNW 14	WNW 14	WNW 14	WNW 14
Wave Graph
kJ	1592	2354	2490	2618	2658	2792	2895	2962	2732	1713	1382	1619	2078	2521	3468	3394	6086	6140	6461	6550	6728	6155	5622	5314	4824	4697	3749
Wind (km/h)	NE	ENE	ENE	NNE	WNW	NW	ENE	E	ESE	E	ESE	SSE	SW	SW	ESE	ESE	ESE	SE	ESE	S	SSW	S	SSE	SE	SE	SSE	S
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	glassy	off	cross-off	glassy	cross-on	cross	glassy	cross-off	cross-off	cross-off	cross-off	cross-on	on	on	cross-off	cross-off	cross-off	cross-off	cross-off	cross-on	cross-on	cross-on	cross-on	cross	cross	cross	cross-on
High Tide	00:08AM1.36m				10:37AM1.87m				00:55AM1.34m				11:09AM1.83m					1:44AM1.32m			11:45AM1.76m					2:35AM1.30m
Low Tide			4:35AM0.88m				5:52PM-0.15m				5:10AM0.95m				6:31PM-0.11m				5:48AM1.00m					7:13PM-0.05m			6:30AM1.05m


	—	6:52	—	—	—	—	—	—	—	6:52	—	—	—	—	—	—	—	6:54	—	—	—	—	—	—	—	6:56	—
	—	—	—	—	—	5:04	—	—	—	—	—	—	—	5:04	—	—	—	—	—	—	—	5:02	—	—	—	—	5:01
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	1
Temp °C	16	15	15	17	17	16	15	15	14	14	14	17	17	16	15	14	14	15	15	18	19	18	15	14	14	15	16
Feels °C	16	15	14	18	16	16	15	14	12	12	12	15	15	16	14	12	11	12	11	15	15	15	13	11	11	11	10
Swell 1 Height (m) Direction Period (s)	WNW 13	WNW 13	WNW 13	WNW 13	WNW 13	WNW 13	WNW 14	WNW 14	WNW 13	WNW 13	WNW 12	WNW 13	WNW 13	WNW 13	WNW 13	WNW 13	WNW 15	WNW 15	WNW 15	WNW 15	WNW 15	WNW 15	W 15	WNW 14	WNW 14	WNW 14	WNW 14
kJ	1592	2354	2490	2618	2658	2792	2895	2962	2732	1713	1382	1619	2078	2521	3468	3394	6086	6140	6461	6550	6728	6155	5622	5314	4824	4697	3749
Swell 2 Height (m) Direction Period (s)	NW 12	SW 15	SSW 15	SSW 15	SW 14	SW 14	SW 14	SW 14	SSW 14	NW 14	NW 13	NW 13	SW 13	SSW 16	SSW 14	WNW 16	SSW 14	SSW 14	SSW 14	SSW 14	SSW 14	SSW 14	SSW 13	SSW 13	SSW 13	SSW 13	SSW 17
kJ	220	176	144	142	103	103	103	102	138	872	780	488	88	160	183	1589	136	134	134	133	129	123	102	101	99	98	157
Swell 3 Height (m) Direction Period (s)	SSW 15	NW 12	—	NW 11	NW 11	NNW 10	SSW 18	SSW 18	—	SSW 14	SSW 14	SW 13	SSW 16	—	—	SSW 14	SW 20	SSW 19	SSW 19	SSW 19	SSW 18	SSW 18	SSW 18	SSW 18	SSW 18	SSW 18	—
kJ	148	68	—	31	29	10	31	30	—	134	129	88	84	—	—	183	15	37	37	68	63	123	123	123	104	102	—
Wind waves Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	SSW 5
kJ	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	167
Nearest Offshore or Glassy	Big River CAL - Mendocino County	Big River CAL - Mendocino County	Big River CAL - Mendocino County	Big River CAL - Mendocino County	Doran Beach CAL - Sonoma	Seaside Creek CAL - Mendocino County	Big River CAL - Mendocino County	Big River CAL - Mendocino County	Big River CAL - Mendocino County	Big River CAL - Mendocino County	Big River CAL - Mendocino County	Caspar Creek CAL - Mendocino County	Black Point Beach CAL - Sonoma	Hare Creek CAL - Mendocino County	Big River CAL - Mendocino County	Big River CAL - Mendocino County	Big River CAL - Mendocino County	Big River CAL - Mendocino County	No Pass CAL - Humboldt	Harbor Entrance at Eureka CAL - Humboldt	Fort Point CAL - Marin County	Bill's Bowls CAL - Sonoma	Caspar Creek CAL - Mendocino County	Bill's Bowls CAL - Sonoma	Bill's Bowls CAL - Sonoma	Russian Rivermouth CAL - Sonoma	Fort Point CAL - Marin County
Rating (10 max)	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	5	5	5	6	8	4	4	4	4	4	4	4
Distance (km)	0	0	0	0	129	29	0	0	0	0	0	7	57	13	0	0	0	0	84	167	202	98	7	98	98	111	202
Best forecast wave conditions in Mendocino County	Usal Beach	Usal Beach	Usal Beach	Usal Beach		Usal Beach	Usal Beach	Usal Beach	Usal Beach	Usal Beach	Usal Beach	Gualala Rivermouth		Usal Beach	Hare Creek	Schooner Gulch	Caspar Creek	Caspar Creek					Caspar Creek
Rating (10 max)	4	4	4	4		4	4	4	4	4	4	4		4	5	5	5	5					4
Best forecast wave conditions in United States	Ranches HAW - Oahu	Ranches HAW - Oahu	Ranches HAW - Oahu	Ranches HAW - Oahu	Ranches HAW - Oahu	Fullers CAL - Monterey	Mouse Rock CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo	Cortez Bank CAL - San Diego County	Mouse Rock CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo	Steamer Lane-The Point CAL - Santa Cruz	Point St George CAL - Del Norte County	Lincoln City Nelscott Reef Oregon North	Lincoln City Nelscott Reef Oregon North	Lincoln City Nelscott Reef Oregon North	Lincoln City Nelscott Reef Oregon North	Lincoln City Nelscott Reef Oregon North	Bunkers CAL - Humboldt	Lincoln City Nelscott Reef Oregon North	Seaside Cove Oregon North	Boners CAL - San Luis Obispo	Cortez Bank CAL - San Diego County	Cortez Bank CAL - San Diego County	Mouse Rock CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo
Rating (10 max)	4	4	4	4	4	4	4	4	4	4	4	4	4	5	9	9	9	8	8	8	7	5	5	5	5	5	5
Header Global	Lebu Chile	Lebu Chile	Achadas Da Cruz Portugal	Lebu Chile	Amanzimtoti South Africa	Amanzimtoti South Africa	Coxos Portugal	Amanzimtoti South Africa	Bantham United Kingdom	Boners United States	Anael France	Afife Portugal	Anael France	Boneyards South Africa	Lincoln City Nelscott Reef United States	Lincoln City Nelscott Reef United States	Lincoln City Nelscott Reef United States	Lincoln City Nelscott Reef United States	Lincoln City Nelscott Reef United States	Lincoln City Nelscott Reef United States	Lincoln City Nelscott Reef United States	Kaka Point New Zealand	Boners United States	Boners United States	Boners United States	Leffingwell Landing United States	Leffingwell Landing United States
Rating (10 max)	5	5	4	5	4	4	5	4	4	4	4	4	4	5	9	9	9	8	8	7	7	5	5	5	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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Big River 48 hour detailed Surf Forecast

How big are the waves at Big River today (10 Nov):

Short Range Forecast

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