Power Plant 48 hour detailed Surf Forecast

Lat Long: 21.36° N 158.13° W

Issued: 1 pm 29 Sep 2026 (local time)

Forecast update in hr min

Today's Power Plant sea temperature is

27.2°C

Power Plant 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 Power Plant today (29 Sep):

Morning surf: Morning surf (29 Sep, local time) - 2.5ft (0.8m), 12s period with SW swell.
Afternoon surf: Afternoon surf (29 Sep, local time) - 3ft (0.9m), 16s period with SSW swell.
Evening surf: Evening surf (29 Sep, local time) - 3ft (0.9m), 16s period with SSW swell.

The current surf forecast for Power Plant at 10PM is: 0.8m 16s primary swell from a South-southwest direction and 1.2m 6s secondary swell from a South-southeast direction (forecast issued at 01:00pm September 29). An open ocean swell of 0.9m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (HST) & Date	Wave Height	Wave Period
Morning (29 Sep)	2.5ft (0.8m)	12s
Afternoon (29 Sep)	3ft (0.9m)	16s
Evening (29 Sep)	3ft (0.9m)	16s

Table - waves today at Power Plant. (Swell directed towards the surf break)

	Short Range Forecast Heavy rain (total 21mm), heaviest during Wed night. Warm (max 28°C on Tue afternoon, min 25°C on Wed night). Wind will be generally light.
	Tue 29					Wednesday 30								Thursday 1
	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)	3	2	2	1	1	2	2	0	0	0	0	1	1	1	1	0	0	0	0	0	0
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	SSW 16	SSW 16	SSW 16	SSW 16	SSW 16	SSW 16	W 11	SSW 15	SW 15	SSW 15	SSW 15	SSW 15	SSW 14	SSE 12	SSE 12	SSE 12	SSE 12	SSE 12	S 14	SSE 12	S 12
Wave Graph
kJ	447	447	447	397	322	320	302	283	220	188	188	188	186	103	99	99	57	57	101	56	78
Wind (km/h)	SE	SSE	SE	SE	SE	SE	SSE	SE	SSE	SSE	SSE	SE	SE	SE	SE	SE	SE	SSE	SE	ESE	ESE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross	cross	cross	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross	cross-off	cross-off	cross-off
High Tide			4:45PM0.33m					6:32AM0.67m				5:06PM0.27m				7:35AM0.66m
Low Tide		12:31PM0.22m			10:50PM0.04m						2:02PM0.24m			11:22PM0.05m


	—	—	—	—	—	—	6:22	—	—	—	—	—	—	—	6:22	—	—	—	—	—	—
	—	—	6:22	—	—	—	—	—	—	—	6:21	—	—	—	—	—	—	—	6:20	—	—
mm	—	—	—	—	—	1	1	1	1	1	1	2	2	1	1	2	2	—	—	2	2
Temp °C	27	28	28	27	26	26	26	26	26	27	27	26	26	25	25	26	27	27	27	26	25
Feels °C	27	28	28	27	27	27	26	25	26	27	28	27	27	27	27	28	28	27	28	28	27
Swell 1 Height (m) Direction Period (s)	E 8	E 8	E 8	SSW 16	ENE 8	WSW 11	W 11	W 10	W 9	W 9	W 9	W 9	E 8	E 8	E 14	E 8	E 8	E 8	E 8	W 8	W 8
kJ	165	137	137	397	107	320	275	194	140	99	95	102	61	82	315	64	64	63	78	42	43
Swell 2 Height (m) Direction Period (s)	SW 10	SW 10	SW 10	SW 10	SSW 16	ENE 8	E 8	E 8	E 8	E 8	E 8	E 8	W 9	W 8	W 8	W 8	W 8	W 8	W 8	E 8	E 8
kJ	231	200	196	137	322	107	80	80	61	80	61	80	74	68	65	63	44	41	40	33	33
Swell 3 Height (m) Direction Period (s)	SSW 16	SSW 16	SSW 16	E 14	WSW 9	SSW 16	SSW 15	SSW 15	SW 15	SSW 15	SSW 15	SSW 15	SSW 14	SSE 12	SSE 12	SSE 12	SSE 12	SSE 12	S 14	SSE 12	S 12
kJ	447	447	447	131	106	314	302	283	220	188	188	188	186	103	99	99	57	57	101	56	78
Wind waves Height (m) Direction Period (s)	SSE 6	SSE 6	SSE 6	ESE 8	SSE 6	SSE 6	SSE 6	SSE 6	S 6	SSE 6	S 6	S 6	S 6	S 6	S 5	S 5	S 5	S 5	SSE 5	SE 5	SSE 5
kJ	57	72	75	285	100	117	134	126	165	150	122	80	80	62	56	43	42	33	33	55	30
Nearest Offshore or Glassy	Power Plant HAW - Oahu	Avalanche HAW - Oahu	Avalanche HAW - Oahu	Avalanche HAW - Oahu	Keaau HAW - Oahu	Avalanche HAW - Oahu	Mokuleia Beach Park HAW - Oahu	Avalanche HAW - Oahu	Mokuleia Beach Park HAW - Oahu	Pupukea HAW - Oahu	Rocky Rights/Lefts and Gas Chambers HAW - Oahu	Avalanche HAW - Oahu	Keaau HAW - Oahu	Power Plant HAW - Oahu	Power Plant HAW - Oahu	Maili Point HAW - Oahu	Avalanche HAW - Oahu	Chuns Reef HAW - Oahu	Chuns and Jocks Reefs HAW - Oahu	Turtles Reef HAW - Oahu	Nanakuli Tracks HAW - Oahu
Rating (10 max)	3	2	1	1	1	2	2	1	1	1	1	1	1	1	1	1	1	1	1	1	1
Distance (km)	0	26	26	26	19	26	26	26	26	34	35	26	19	0	0	8	26	30	30	1	1
Best forecast wave conditions in Oahu	Chuns Reef	Chuns Reef	China Walls	Pipeline	Pipeline	Pipeline	Pipeline	Pipeline	Chuns Reef	Pipeline	Pipeline	Pipeline	Pipeline	Pipeline	Chuns Reef	Ranches	Waimea Bay/Pinballs	Chuns Reef	Waimea Bay/Pinballs	Waimea Bay/Pinballs	Waimea Bay/Pinballs
Rating (10 max)	3	3	3	3	2	3	2	1	2	1	1	1	1	2	3	1	1	1	1	1	1
Best forecast wave conditions in United States	Fullers CAL - Monterey	Fullers CAL - Monterey	Lincoln City Nelscott Reef Oregon North	Mouse Rock CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo	Ghost Tree CAL - Monterey	Mouse Rock CAL - San Luis Obispo	Mavericks CAL - San Mateo	Pier One HAW - Maui	Pipeline HAW - Oahu	Mouse Rock CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo	Pier One HAW - Maui	Mouse Rock CAL - San Luis Obispo	Ghost Tree CAL - Monterey	Hilo Breakwall HAW - Big Island	Waimea Bay/Pinballs HAW - Oahu	Fullers CAL - Monterey	Mouse Rock CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo
Rating (10 max)	4	3	4	4	3	4	3	3	3	1	3	3	4	3	3	1	1	3	3	3	3
Header Global	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	Grindavik Lighthouse ( Hopsnesta) Iceland	Fish Boma South Africa	Dunmoran Strand Ireland	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	Figueira da Foz - Buarcos Portugal	Figueira da Foz - Buarcos Portugal	Crazy Left Portugal
Rating (10 max)	6	6	5	5	5	5	4	5	5	5	9	9	9	7	6	6	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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Power Plant 48 hour detailed Surf Forecast

How big are the waves at Power Plant today (29 Sep):

Short Range Forecast

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