Alao surfForecast / Tutuila / American Samoa

information circle48hr Weather and Surf, issued 6 pm Tuesday 19 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
29.9° C
(Which is 1.4°C warmer than normal for this time of year)

How big are the waves at Alao today?

The current surf forecast for Alao at 1AM is: 0.5m 8s primary swell from a Northeast direction (forecast issued at 06:00pm May 19). An open ocean swell of 1.5m 9s is not directed at the surf break, a second open ocean swell of 1.0m 15s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (SST) & DateWave HeightWave Period
Morning (20 May)1.5ft (0.5m)8s
Afternoon (20 May)1.5ft (0.5m)8s
Evening (20 May)2ft (0.6m)8s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 8mm), mostly falling on Wed morning. Warm (max 28°C on Tue afternoon, min 27°C on Tue night). Wind will be generally light.

Tue
19
Wednesday
20
Thursday
21
Fri
22
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
1 AM
4 AM
7 AM
10 AM
1 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
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.9
S
16
1.6
SE
9
1.6
SE
9
0.5
NE
8
0.5
NE
8
0.5
NE
8
0.5
NE
8
0.5
NE
8
0.5
NE
8
0.6
NNE
8
0.6
NNE
8
0.6
NNE
8
0.6
NE
8
0.6
NE
8
0.5
NE
8
0.6
NNE
9
0.6
NE
9
0.6
NE
9
0.6
NE
9
0.7
NE
10
0.7
NE
9
0.8
NE
9
0.8
NE
9
0.8
NE
9
Wave Graph
Metric surfscale
Energy kJ
0
0
0
32
32
32
31
30
30
41
41
40
38
38
34
50
68
67
47
90
81
97
97
112
Wind (km/h)
10
N
10
NNW
10
NNW
10
NW
10
WNW
5
W
5
WSW
5
W
5
WNW
5
SW
5
S
5
SSW
10
SSW
10
S
10
SSE
10
SSE
10
SSE
15
SSE
20
SSE
20
SSE
25
SE
20
SE
20
SE
20
SE
cross-off
cross-off
off
off
off
cross-off
cross-off
glassy
cross-off
glassy
glassy
cross
cross
cross-on
cross-on
on
on
on
on
on
on
on
on
on
High Tide
10:04PM0.94m
10:24AM1.07m
11:10PM0.92m
11:29AM1.03m
00:15AM0.92m
12:34PM0.99m
Low Tide
3:59AM0.14m
4:52PM0.07m
5:07AM0.18m
5:56PM0.11m
6:16AM0.21m
clear
clear
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
clear
clear
clear
thunderstorm
clear
part cloud
part cloud
part cloud
clear
clear
thunderstorm
part cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:35
6:35
6:37
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:00
6:00
6:00
6:00
1
1
1
2
1
1
1
Temp °C
28
28
28
28
28
27
27
27
28
28
28
27
27
27
27
27
27
27
27
27
27
27
27
27
31
31
32
32
32
31
31
31
32
32
32
31
30
30
30
30
30
29
29
28
28
28
28
28
Swell 1
Height (m)
Direction
Period (s)
1.5
SE
9
1.6
SE
9
1.6
SE
9
1.5
SE
9
1.5
SE
9
1.5
SE
9
1.5
SE
9
1.3
SE
9
1.3
SE
9
1.3
SE
9
1.1
SE
9
1.1
SE
9
1.1
SE
9
1
SE
9
1
SE
9
1
S
14
1.3
S
13
1.5
S
12
1.5
S
12
1.5
S
11
1.5
S
11
1.5
S
11
1.6
S
11
1.6
S
11
Energy kJ
359
402
402
367
367
367
367
294
260
255
197
202
202
152
152
363
569
657
594
556
556
546
617
599
Swell 2
Height (m)
Direction
Period (s)
0.9
S
16
0.8
S
16
0.8
S
16
1
S
15
0.9
S
14
0.9
S
14
0.8
S
13
0.8
S
13
0.8
S
12
0.8
S
12
0.8
S
12
0.8
S
12
0.8
S
12
0.8
S
11
0.7
S
11
1
SE
9
0.9
SE
9
0.9
SE
9
0.9
SE
9
0.7
SE
8
0.7
NE
9
0.8
NE
9
0.8
NE
9
0.8
NE
9
Energy kJ
412
317
301
428
333
320
229
209
193
181
178
175
169
160
121
145
123
107
110
72
81
97
97
112
Swell 3
Height (m)
Direction
Period (s)
0.6
S
12
0.6
S
12
0.6
S
12
0.5
NE
8
0.5
NE
8
0.5
NE
8
0.5
NE
8
0.5
NE
8
0.5
NE
8
0.6
NNE
8
0.6
NNE
8
0.6
NNE
8
0.6
NE
8
0.6
NE
8
0.5
NE
8
0.6
NNE
9
0.6
NE
9
0.6
NE
9
0.6
NE
9
0.7
NE
10
0.7
SE
8
0.7
SE
8
0.7
SE
9
0.8
ESE
8
Energy kJ
101
99
98
32
32
32
31
30
30
41
41
40
38
38
34
50
68
67
47
90
70
70
75
90
Wind waves
Height (m)
Direction
Period (s)
Energy kJ
Nearest Offshore or Glassy
Rating
(10 max)
2
2
2
2
2
2
2
2
2
2
2
2
2
1
2
2
3
1
2
1
1
1
1
1
Distance (km)
2
2
2
2
2
2
2
2
2
2
2
2
16
129
2
2
2
30
907
30
30
30
30
30
Best forecast wave conditions in American-Samoa - Tutuila
Rating
(10 max)
3
3
3
3
3
3
3
3
2
2
2
2
2
2
2
3
1
1
1
1
1
1
Best forecast wave conditions in American Samoa
Rating
(10 max)
3
3
3
3
3
3
3
3
2
2
2
2
2
2
2
3
1
1
1
1
1
1
Header Global
Rating
(10 max)
5
5
4
4
4
5
5
5
4
5
5
5
5
4
4
4
5
7
7
8
6
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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