Utua Mamao (Atafu) 48 hour detailed Surf Forecast

Lat Long: 8.56° S 172.46° W

Issued: 6 pm 29 Jul 2026 (local time)

Forecast update in hr min

Today's Utua Mamao (Atafu) sea temperature is

29.3° 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 (30 Jul):

Morning surf: Morning surf (30 Jul, local time) - 2.5ft (0.8m), 14s period with SSW swell.
Afternoon surf: Afternoon surf (30 Jul, local time) - 2.5ft (0.8m), 14s period with SSW swell.
Evening surf: Evening surf (30 Jul, local time) - 5ft (1.5m), 8s period with SSE swell.

The current surf forecast for Utua Mamao (Atafu) at 3AM is: 1.0m 14s primary swell from a South-southwest direction and 0.6m 15s secondary swell from a South-southeast direction, 1.2m 6s secondary swell from a Southeast direction (forecast issued at 06:00pm July 29). The wind direction is predicted to be cross-onshore.

Time (+13) & Date	Wave Height	Wave Period
Morning (30 Jul)	2.5ft (0.8m)	14s
Afternoon (30 Jul)	2.5ft (0.8m)	14s
Evening (30 Jul)	5ft (1.5m)	8s

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

	Short Range Forecast Heavy rain (total 35mm), heaviest during Thu afternoon. Warm (max 27°C on Wed afternoon, min 27°C on Wed afternoon). Mainly fresh winds.
	Wed 29			Thursday 30								Friday 31
	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
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	SSW 14	SSW 14	SSW 14	SSW 14	SSW 14	S 14	SSW 14	SSW 14	S 8	SSE 8	SSE 8	SSW 13	SSE 8	SSE 7	SSE 7	SE 7	SE 7	SSE 8	SSE 8
Wave Graph
kJ	447	379	467	413	352	1042	261	257	233	238	250	215	204	191	153	225	237	521	572
Wind (km/h)	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	ESE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross-on	cross-on	cross-on	cross-on	on	on	on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on
High Tide						6:14AM1.27m				6:32PM1.14m				6:46AM1.28m					7:04PM1.16m
Low Tide				11:58PM0.17m				12:30PM0.15m				00:31AM0.16m					1:01PM0.15m


	—	—	—	—	6:43	—	—	—	—	—	—	—	6:43	—	—	—	—	—	—
	6:28	—	—	—	—	—	—	—	6:28	—	—	—	—	—	—	—	6:28	—	—
mm	1	1	1	1	1	1	1	1	1	2	1	1	2	2	2	2	2	1	2
Temp °C	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27
Feels °C	27	27	27	27	27	28	28	28	28	28	28	28	28	28	27	27	27	26	26
Swell 1 Height (m) Direction Period (s)	SSW 14	SSW 14	SSW 14	SSW 14	SSW 14	S 14	SSW 14	S 8	S 8	SSE 8	SSE 8	SSE 7	SSE 8	SSE 7	SSE 7	SSW 9	SSW 9	S 12	S 12
kJ	447	379	467	413	352	1042	261	167	233	238	250	188	204	191	153	82	129	73	72
Swell 2 Height (m) Direction Period (s)	SSE 11	SSE 14	SSE 15	S 6	SSE 15	SSE 15	NE 15	SSW 14	SW 14	NE 14	SSW 13	SSW 13	NE 13	ENE 13	SSW 9	NE 13	ENE 12	NE 12	NE 12
kJ	98	115	123	41	169	167	191	257	203	214	219	215	183	116	59	138	104	72	71
Swell 3 Height (m) Direction Period (s)	S 7	S 11	NE 16	SSE 15	NE 16	ENE 16	SSE 14	NE 15	NE 15	SW 13	NE 14	NE 14	E 8	SSW 8	NE 13	S 12	S 12	NNE 9	NNE 9
kJ	26	59	133	126	127	166	165	226	217	183	211	203	63	47	140	76	75	34	35
Wind waves Height (m) Direction Period (s)	ESE 5	ESE 5	ESE 5	ESE 5	SE 6	—	SSE 7	E 8	E 8	E 8	E 8	—	—	E 8	E 8	SE 7	SE 7	SSE 8	SSE 8
kJ	47	49	52	46	92	—	208	84	64	48	64	—	—	61	60	225	237	521	572
Nearest Offshore or Glassy	Fishtraps Tongatapu	Restaurants Mamanucas	Naa Gilbert Islands	Restaurants Mamanucas	Restaurants Mamanucas	Momi Bay Viti Levu	Momi Bay Viti Levu	Momi Bay Viti Levu	Fishtraps Tongatapu	Namotu Lefts Mamanucas	Momi Bay Viti Levu	Fishtraps Tongatapu	Fishtraps Tongatapu	The Pass Tongatapu	Momi Bay Viti Levu	Corners Tongatapu	Middles (Ovaka) Vava'u	Corners Tongatapu	Momi Bay Viti Levu
Rating (10 max)	4	3	1	3	3	2	2	2	3	4	3	2	2	2	2	2	2	2	2
Distance (km)	1424	1523	1974	1523	1523	1521	1521	1521	1424	1524	1521	1424	1424	1428	1521	1426	1148	1426	1521
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Rating (10 max)	4	4	7	6	4	5	4	4	4	4	4	4	4	4	4	4	4	4	9

Map Icons:
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Live Wave Height (m)
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 (30 Jul):

Short Range Forecast

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