Alao surfForecast / Tutuila / American Samoa

information circle48hr Weather and Surf, issued 12 am Sunday 31 May 2026 SST
Forecast update in hr  min  s Forecast update imminent
Alao surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Alao sea temperature is
29.4° C
(Which is 1.2°C warmer than normal for this time of year)

How big are the waves at Alao today (31 May):

  • Morning surf: Morning surf (31 May, local time) - 2ft (0.6m), 9s period with NNE swell.
  • Afternoon surf: Afternoon surf (31 May, local time) - 2ft (0.6m), 9s period with NNE swell.
  • Evening surf: Evening surf (31 May, local time) - 1.5ft (0.4m), 12s period with NNW swell.

The current surf forecast for Alao at 6AM is: 0.4m 13s primary swell from a North-northwest direction and 0.6m 9s secondary swell from a North-northeast direction (forecast issued at 12:00am May 31). An open ocean swell of 1.8m 16s is not directed at the surf break, a second open ocean swell of 2.0m 7s is not directed at the surf break. The wind direction is predicted to be onshore.

Time (SST) & DateWave HeightWave Period
Morning (31 May)2ft (0.6m)9s
Afternoon (31 May)2ft (0.6m)9s
Evening (31 May)1.5ft (0.4m)12s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 29mm), heaviest during Mon afternoon. Warm (max 28°C on Sat night, min 26°C on Tue morning). Mainly strong winds.

Sunday
31
Monday
1
Tuesday
2
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
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.6
NNE
10
0.6
NNE
9
0.6
NNE
9
0.6
NNE
9
0.6
NNE
9
0.6
NNE
9
0.4
NNW
12
0.4
NNW
12
0.4
NNW
12
0.4
NNW
12
0.4
NNW
12
0.4
NNW
12
0.4
NNE
10
0.4
NNE
9
0.4
NNE
9
0.4
NNE
9
0.4
NNE
9
0.4
NNE
9
0.4
NNE
9
0.4
NNE
9
0.5
NE
9
0.5
NE
9
0.5
NE
9
0.5
NE
9
Wave Graph
Metric surfscale
Energy kJ
60
60
64
66
57
55
48
47
47
48
48
48
36
35
34
33
33
32
32
32
40
40
39
39
Wind (km/h)
35
SE
35
SE
35
SE
35
ESE
35
ESE
35
ESE
35
ESE
35
ESE
35
ESE
35
ESE
40
ESE
40
ESE
35
ESE
40
ESE
40
ESE
40
ESE
40
ESE
40
SE
40
ESE
40
SE
35
SE
35
SE
35
ESE
30
ESE
on
on
on
on
on
on
on
cross-on
on
on
on
on
cross-on
on
on
on
on
on
on
on
on
on
on
on
High Tide
6:59AM0.95m
7:31PM0.81m
7:40AM0.93m
8:14PM0.79m
8:23AM0.91m
8:59PM0.77m
Low Tide
00:41AM0.23m
1:24PM0.18m
1:20AM0.25m
2:05PM0.19m
2:01AM0.27m
2:47PM0.21m
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
rain showers
part cloud
part cloud
cloud
part cloud
cloud
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:39
6:39
6:39
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:00
6:00
6:00
1
2
1
2
2
2
2
2
2
2
2
2
3
2
1
1
Temp °C
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
26
27
26
27
24
25
25
25
25
25
25
24
25
25
24
24
25
25
23
24
24
24
23
23
22
23
22
24
Swell 1
Height (m)
Direction
Period (s)
2
S
16
1.9
SSW
16
1.8
S
15
1.6
S
15
1.6
S
15
1.4
SSW
14
1.4
SSW
14
1.3
S
14
1.2
S
14
1.1
S
14
1.1
S
13
1
S
13
0.9
SSW
13
0.9
SSW
13
0.9
SSW
13
0.8
S
13
0.8
S
13
0.8
S
12
1.2
S
10
0.5
S
12
0.5
S
12
0.5
NE
9
0.5
NE
9
0.5
NE
9
Energy kJ
2062
1822
1549
1154
1123
845
834
694
577
467
440
361
290
286
286
212
206
190
279
76
76
40
39
39
Swell 2
Height (m)
Direction
Period (s)
0.6
NNE
10
0.6
NNE
9
0.6
NNE
9
0.6
NNE
9
0.6
NNE
9
0.6
NNE
9
0.4
NNE
9
0.4
NNE
9
0.4
NNE
8
0.4
NNE
8
0.4
NNE
8
0.4
NNE
8
0.4
NNE
10
0.4
NNE
9
0.4
NNE
9
0.4
NNE
9
0.4
NNE
9
0.4
NNE
9
0.6
S
12
0.4
NNE
9
0.5
NE
9
0.3
SSW
12
0.3
SSW
12
0.3
SSW
12
Energy kJ
60
58
56
55
55
54
31
30
28
28
28
28
36
35
34
33
33
32
108
32
40
29
29
28
Swell 3
Height (m)
Direction
Period (s)
0.4
NNW
12
0.4
NNW
12
0.4
NNW
13
0.4
NNW
13
0.4
NNW
13
0.4
NNW
13
0.4
NNW
12
0.4
NNW
12
0.4
NNW
12
0.4
NNW
12
0.4
NNW
12
0.4
NNW
12
0.3
NNW
12
0.3
NNW
12
0.3
NNW
11
0.3
NNW
11
0.3
NNW
11
0.3
NNW
11
0.4
NNE
9
0.2
NNW
11
0.3
NNW
11
0.3
NNW
11
0.2
N
11
0.2
N
11
Energy kJ
59
60
64
66
57
55
48
47
47
48
48
48
28
27
24
23
24
23
32
12
24
25
10
10
Wind waves
Height (m)
Direction
Period (s)
1.8
SE
7
1.8
SE
7
2
SE
7
2
SE
7
2.1
SE
7
2.1
SE
8
2.1
SE
8
2.3
SE
8
2.3
SE
8
2.3
SE
8
2.3
SE
8
2.4
SE
8
2.3
SE
8
2.4
SE
8
2.3
SE
8
2.4
SE
8
2.5
SE
8
2.4
SE
8
2.2
ESE
8
2.5
SE
9
2.5
SE
9
2.5
SE
9
2.5
SE
8
2.3
SE
8
Energy kJ
299
308
368
389
485
525
553
661
678
736
736
802
736
783
724
754
804
786
634
996
937
916
874
742
Nearest Offshore or Glassy
Rating
(10 max)
2
2
1
3
2
2
2
1
2
2
1
1
2
2
2
2
3
3
1
1
1
1
2
1
Distance (km)
1358
1358
1358
1341
1330
1330
1319
1319
1319
1319
1319
1319
1319
1319
1319
1308
1302
1302
1302
1365
1365
1365
1330
1249
Best forecast wave conditions in American-Samoa - Tutuila
Rating
(10 max)
Best forecast wave conditions in American Samoa
Rating
(10 max)
Header Global
Rating
(10 max)
6
6
5
5
5
5
5
5
4
5
5
5
5
5
5
5
4
4
4
5
4
4
4
4
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

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