Number Fours Surf Forecast

/ HAW – Oahu (122 breaks) / Hawaii (267 breaks) /

USA (1297 breaks)

Surf Forecasts:

Number Fours surfForecast / HAW – Oahu / USA

48hr Weather and Surf, issued 1 am Wednesday 27 May 2026 HST

Forecast update in hr min s Forecast update imminent

Number Fours surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Today's Number Fours sea temperature is 25.1° C
(Which is normal for this time of year)

How big are the waves at Number Fours today (27 May):

Morning surf: Morning surf (27 May, local time) - 5.5ft (1.7m), 7s period with ENE swell.
Afternoon surf: Afternoon surf (27 May, local time) - 5.5ft (1.7m), 7s period with ENE swell.
Evening surf: Evening surf (27 May, local time) - 6ft (1.8m), 7s period with ENE swell.

The current surf forecast for Number Fours at 6AM is: 1.9m 7s primary swell from a East-northeast direction and 0.6m 14s secondary swell from a South direction (forecast issued at 01:00am May 27). An open ocean swell of 0.5m 15s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (HST) & Date	Wave Height	Wave Period
Morning (27 May)	5.5ft (1.7m)	7s
Afternoon (27 May)	5.5ft (1.7m)	7s
Evening (27 May)	6ft (1.8m)	7s

Table - waves today at Number Fours. (Swell directed towards the surf break)

Updates in hr min s Forecast update imminent

	Short Range Forecast Mostly dry. Warm (max 24°C on Wed morning, min 23°C on Wed morning). Mainly fresh winds.
	Wednesday 27								Thursday 28								Friday 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)	0	1	0	0	0	0	0	0	0	0	0	0	0	0	0	1	1	1	1	1	1	1	1	1
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	ENE 7	ENE 7	ENE 7	ENE 7	ENE 7	ENE 7	ENE 7	ENE 7	ENE 7	ENE 7	ENE 7	ENE 7	ENE 7	ENE 7	ENE 7	ENE 7	S 21	S 21	S 20	S 20	S 20	S 19	S 19	S 18
Wave Graph
kJ	440	390	319	280	286	286	301	336	336	281	223	217	241	241	237	233	329	323	400	495	611	593	568	527
Wind (km/h)	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	NE	NE	ENE	NE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE	ENE
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-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off	cross-off
High Tide	00:50AM0.25m					2:27PM0.55m			1:31AM0.21m					2:59PM0.59m				2:11AM0.17m				3:31PM0.62m
Low Tide			7:03AM-0.06m					9:23PM0.11m			7:27AM-0.07m					10:12PM0.09m			7:53AM-0.07m					10:55PM0.07m


	—	5:48	—	—	—	—	—	—	—	5:48	—	—	—	—	—	—	—	5:48	—	—	—	—	—	—
	—	—	—	—	—	7:07	—	—	—	—	—	—	—	7:07	—	—	—	—	—	—	—	7:07	—	—
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	23	23	23	24	24	24	23	23	23	23	23	24	24	24	23	23	23	23	23	24	24	24	24	23
Feels °C	19	20	20	21	20	20	19	19	20	20	19	21	21	20	19	19	21	20	19	20	20	21	21	20
Swell 1 Height (m) Direction Period (s)	S 15	S 14	S 14	S 14	S 14	S 14	S 13	S 13	S 13	S 13	S 12	S 12	S 12	S 12	S 12	S 21	S 21	S 21	S 20	S 20	S 20	S 19	S 19	S 18
kJ	150	148	146	144	140	129	125	123	121	117	109	73	72	72	71	233	329	323	400	495	611	593	568	527
Swell 2 Height (m) Direction Period (s)	NW 16	NW 15	NW 15	NW 15	NW 14	NW 14	NW 14	NW 13	NW 13	NW 13	NW 12	NW 12	NNE 12	NW 12	N 13	S 12	S 12	S 12	N 10	N 10	S 11	S 11	S 11	S 13
kJ	91	79	107	104	97	96	89	61	61	60	54	52	49	37	86	69	68	65	56	73	39	39	39	84
Swell 3 Height (m) Direction Period (s)	SW 18	SW 18	SW 18	SE 8	SSE 8	SSE 8	N 12	N 12	NNE 13	N 12	NNE 12	NNE 12	NW 12	N 11	SSW 22	NNE 11	NNE 11	N 11	S 11	S 11	NNE 10	NNE 10	NNE 10	NNE 10
kJ	12	12	12	3	7	6	12	28	32	24	48	48	52	20	157	38	38	57	63	61	31	31	31	51
Wind waves Height (m) Direction Period (s)	ENE 7	ENE 7	ENE 7	ENE 7	ENE 7	ENE 7	ENE 7	ENE 7	ENE 7	ENE 7	ENE 7	ENE 7	ENE 7	ENE 7	ENE 7	ENE 7	ENE 7	ENE 7	ENE 7	ENE 7	ENE 7	ENE 7	ENE 7	ENE 7
kJ	440	390	319	280	286	286	301	336	336	281	223	217	241	241	237	230	237	210	210	217	197	183	234	202
Nearest Offshore or Glassy	Nanakuli Blackrocks HAW - Oahu	Ko Olina Resort HAW - Oahu	Ko Olina Resort HAW - Oahu	Ko Olina Resort HAW - Oahu	Turtles Reef HAW - Oahu	Maili Cloudbreak HAW - Oahu	Nanakuli Tracks HAW - Oahu	Pokai Bay HAW - Oahu	Ko Olina Resort HAW - Oahu	Ko Olina Resort HAW - Oahu	Ko Olina Resort HAW - Oahu	Ko Olina Resort HAW - Oahu	Ko Olina Resort HAW - Oahu	Lahilahi Point HAW - Oahu	Nanakuli Blackrocks HAW - Oahu	Turtles Reef HAW - Oahu	Ko Olina Resort HAW - Oahu	Ko Olina Resort HAW - Oahu	Ko Olina Resort HAW - Oahu	Turtles Reef HAW - Oahu	Nanakuli Blackrocks HAW - Oahu	Nanakuli Tracks HAW - Oahu	Ko Olina Resort HAW - Oahu	Ko Olina Resort HAW - Oahu
Rating (10 max)	2	2	2	2	2	2	2	2	2	2	2	2	2	2	3	2	2	2	2	2	3	3	3	3
Distance (km)	33	31	31	31	31	39	32	42	31	31	31	31	31	44	33	31	31	31	31	31	33	32	31	31
Best forecast wave conditions in Oahu	Ranches	Ranches	Ranches	Off the Wall/Insanities	Ranches	Ranches	Makaha (Outside)	Ranches	Ranches	Ranches	Ranches	Ranches	Makaha (Outside)	Ranches	Nanakuli Blackrocks	Ranches	Makaha (Outside)	Makaha (Outside)	Ranches	Makaha (Outside)	Makaha (Outside)	Makaha (Outside)	Makaha (Outside)	Makaha (Outside)
Rating (10 max)	3	3	3	3	3	3	3	2	2	2	2	2	2	2	3	2	3	3	2	3	3	3	3	3
Best forecast wave conditions in United States	Boners CAL - San Luis Obispo	Ghost Tree CAL - Monterey	Ranches HAW - Oahu	Off the Wall/Insanities HAW - Oahu	Ranches HAW - Oahu	Ranches HAW - Oahu	Mouse Rock CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo	Ghost Tree CAL - Monterey	Ghost Tree CAL - Monterey	Ghost Tree CAL - Monterey	Ghost Tree CAL - Monterey	Mouse Rock CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo	Mouse Rock CAL - San Luis Obispo	Ranches HAW - Oahu	Majors Bay HAW - Kaua'i	Majors Bay HAW - Kaua'i	Majors Bay HAW - Kaua'i	Salinas River State Beach CAL - Monterey	Lincoln City Nelscott Reef Oregon North
Rating (10 max)	6	5	3	3	3	3	4	4	4	4	4	4	4	4	4	4	4	4	2	3	3	3	4	4
Header Global	Fullers United States	Otago Peninsula - Pipikaretu New Zealand	Hell South Africa	Fish Boma South Africa	Hell South Africa	Nugget Point New Zealand	Papatowai New Zealand	Papatowai New Zealand	Dolphin Point South Africa	White Rock - The Spit New Zealand	Boneyards South Africa	Boneyards South Africa	Boneyards South Africa	Barrancon Chile	Dolphin Point South Africa	Diners Beach New Zealand	El Olon de Ilo Peru	Lebu Chile	Aganoa Beach Samoa	Haapiti French Polynesia	Fare Left French Polynesia	Fare Left French Polynesia	Fare Left French Polynesia	Fare Left French Polynesia
Rating (10 max)	7	9	7	6	6	8	9	9	7	9	7	7	6	5	5	5	5	5	4	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)

Latest Updates

Ben Mondy

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Number Fours Surf Forecast

Number Fours surfForecast / HAW – Oahu / USA

How big are the waves at Number Fours today (27 May):

Short Range Forecast

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