Utua Mamao (Atafu) 48 hour detailed Surf Forecast

Lat Long: 8.56° S 172.46° W

Issued: 12 am 29 Jul 2026 (local time)

Forecast update in hr min

Today's Utua Mamao (Atafu) sea temperature is

29.2° C

Utua Mamao (Atafu) 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 Utua Mamao (Atafu) today (29 Jul):

Morning surf: Morning surf (29 Jul, local time) - 4ft (1.2m), 14s period with SSW swell.
Afternoon surf: Afternoon surf (29 Jul, local time) - 3.5ft (1.1m), 14s period with SSW swell.
Evening surf: Evening surf (29 Jul, local time) - 3.5ft (1.0m), 14s period with SSW swell.

The current surf forecast for Utua Mamao (Atafu) at 3AM is: 1.2m 15s primary swell from a South-southwest direction and 0.7m 12s secondary swell from a South direction, 0.9m 8s secondary swell from a East direction (forecast issued at 12:00am July 29). The wind direction is predicted to be cross-onshore.

Time (+13) & Date	Wave Height	Wave Period
Morning (29 Jul)	4ft (1.2m)	14s
Afternoon (29 Jul)	3.5ft (1.1m)	14s
Evening (29 Jul)	3.5ft (1.0m)	14s

Table - waves today at Utua Mamao (Atafu). (Swell directed towards the surf break)

	Short Range Forecast Heavy rain (total 25mm), heaviest during Tue night. Warm (max 28°C on Tue night, min 27°C on Tue night). Mainly fresh winds.
	Wednesday 29								Thursday 30								Friday 31
	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
Rating (10 max)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	SSW 15	SSW 15	SSW 15	SSW 14	SSW 14	SSW 14	SSW 14	SSW 14	S 14	S 14	SSW 14	SSW 14	SSE 8	SSW 14	S 7	SSE 7	SSE 7	SSE 7	SSE 7	SSE 7	SE 7	SE 7	SSE 8	SE 8
Wave Graph
kJ	632	600	568	638	501	447	379	396	912	1028	261	261	257	263	215	250	199	132	120	138	231	248	532	587
Wind (km/h)	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	SE	ESE	ESE	SE	ESE	ESE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	on	on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	on	on	on	cross-on	cross-on	on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on
High Tide			5:42AM1.24m				6:01PM1.11m				6:14AM1.27m				6:32PM1.14m				6:46AM1.28m					7:04PM1.16m
Low Tide	11:25PM0.20m				11:59AM0.16m				11:58PM0.17m				12:30PM0.15m				00:31AM0.16m					1:01PM0.15m


	—	6:43	—	—	—	—	—	—	—	6:43	—	—	—	—	—	—	—	6:43	—	—	—	—	—	—
	—	—	—	—	—	6:28	—	—	—	—	—	—	—	6:28	—	—	—	—	—	—	—	6:28	—	—
mm	1	3	3	1	—	—	—	1	1	1	1	1	2	1	1	1	2	—	—	1	1	1	1	1
Temp °C	28	27	27	27	28	28	28	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	28
Feels °C	30	29	28	27	29	28	28	27	27	26	27	27	27	27	28	28	28	28	27	26	26	26	25	27
Swell 1 Height (m) Direction Period (s)	SSW 15	SSW 15	SSW 15	SSW 14	SSW 14	SSW 14	SSW 14	SSW 14	SSE 15	SSE 15	S 8	S 8	SSW 14	SSW 14	S 7	SSW 13	SSE 7	SSE 7	SSE 7	SSW 9	SSW 8	SSW 9	S 12	S 12
kJ	632	600	568	638	501	447	379	396	126	169	163	167	257	253	215	219	199	132	120	113	73	110	104	72
Swell 2 Height (m) Direction Period (s)	E 8	S 12	S 12	S 12	S 12	SSE 11	SSE 14	E 8	NE 16	NE 16	SSW 14	SSW 14	NE 15	NE 15	NE 14	NE 14	NE 14	NE 13	SSW 8	E 8	NE 13	ENE 12	NE 12	NE 12
kJ	103	141	137	99	69	98	115	35	130	127	261	261	226	217	214	211	203	183	82	60	138	104	72	71
Swell 3 Height (m) Direction Period (s)	S 12	NE 10	NE 10	NE 10	NE 9	S 7	S 7	SSE 15	E 8	E 8	SSE 15	NE 15	SSE 14	SSE 14	SW 13	E 8	SW 13	SSW 10	ENE 13	NE 13	S 12	S 12	NNE 9	NNE 9
kJ	187	60	46	45	29	26	25	123	35	35	167	191	115	107	183	31	172	72	116	140	76	75	33	35
Wind waves Height (m) Direction Period (s)	—	E 8	E 8	E 8	E 8	ESE 5	ESE 5	SE 5	S 14	S 14	E 5	E 5	SSE 8	SSE 7	E 8	SSE 7	E 8	E 8	E 8	SSE 7	SE 7	SE 7	SSE 8	SE 8
kJ	—	100	103	121	118	47	52	55	912	1028	33	33	256	263	104	250	80	100	80	138	231	248	532	587
Nearest Offshore or Glassy	Beachouse Kadavu Passage	Beachouse Kadavu Passage	Restaurants Mamanucas	Norrie Park Rarotonga	Norrie Park Rarotonga	English Channel Left (Fanning Island) Line Islands	Restaurants Mamanucas	Momi Bay Viti Levu	Restaurants Mamanucas	Naa Gilbert Islands	Restaurants Mamanucas	Restaurants Mamanucas	Momi Bay Viti Levu	Momi Bay Viti Levu	Momi Bay Viti Levu	Restaurants Mamanucas	Momi Bay Viti Levu	Beachouse Kadavu Passage	Bowling left Vava'u	Corners Tongatapu	Corners Tongatapu	Bowling left Vava'u	Good from afar (Foelifuka) Vava'u	Corners Tongatapu
Rating (10 max)	4	4	3	3	4	2	3	3	3	1	3	2	2	2	2	3	2	2	3	2	2	2	2	2
Distance (km)	1507	1507	1523	1961	1961	2002	1523	1521	1523	1974	1523	1523	1521	1521	1521	1523	1521	1507	1155	1426	1426	1155	1144	1426
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Rating (10 max)	5	5	6	5	5	5	5	5	4	4	7	5	4	4	4	4	4	4	4	4	4	4	4	4

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Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)

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Utua Mamao (Atafu) 48 hour detailed Surf Forecast

How big are the waves at Utua Mamao (Atafu) today (29 Jul):

Short Range Forecast

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