Mahai'ula Bay Surf Break

Lat Long: 19.79° N 156.04° W

Mahai'ula Bay 48 hour detailed Surf Forecast

Issued: 7 pm 14 Aug 2026 (local time)

Forecast update in  hr  min

Today's Mahai'ula Bay sea temperature is
27.6° C
1.0° 

Mahai'ula Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Mahai'ula Bay today (15 Aug):

  • Morning surf: Morning surf (15 Aug, local time) - 1ft (0.3m), 11s period with WNW swell.
  • Afternoon surf: Afternoon surf (15 Aug, local time) - 1ft (0.3m), 11s period with WNW swell.
  • Evening surf: Evening surf (15 Aug, local time) - 1ft (0.3m), 13s period with WNW swell.

The current surf forecast for Mahai'ula Bay at 4AM is: 0.3m 11s primary swell from a West-northwest direction (forecast issued at 07:00pm August 14). An open ocean swell of 0.9m 13s is not directed at the surf break, a second open ocean swell of 2.1m 7s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (HST) & DateWave HeightWave Period
Morning (15 Aug)1ft (0.3m)11s
Afternoon (15 Aug)1ft (0.3m)11s
Evening (15 Aug)1ft (0.3m)13s

Table - waves today at Mahai'ula Bay. (Swell directed towards the surf break)


Short Range Forecast

Heavy rain (total 39mm), heaviest during Sat night. Warm (max 29°C on Sat morning, min 26°C on Fri night). Winds decreasing (gales from the SSE on Sat night, calm by Sun night).

Fri
14
Saturday
15
Sunday
16
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.3
WNW
12
0.3
WNW
12
0.3
WNW
12
0.3
W
12
0.3
WNW
11
0.3
WNW
11
0.3
WNW
11
0.3
WNW
11
0.3
W
11
0.3
WNW
13
0.3
WNW
13
0.4
WNW
13
0.4
WNW
13
0.4
WNW
13
1.6
S
7
0.8
S
13
0.8
S
13
0.8
S
13
0.4
WNW
12
Wave Graph
Metric surfscale
Energy kJ
27
27
27
24
25
24
24
24
22
34
34
58
58
57
0
0
0
0
48
Wind (km/h)
5
NW
15
NE
5
NNE
15
NE
10
NE
5
ESE
15
ESE
15
SE
60
NE
70
SSE
50
S
25
SSE
10
SSE
5
SE
5
NW
10
NNW
15
NNW
10
N
0
E
Wind State
glassy
cross-off
cross
cross-off
cross-off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
glassy
cross-on
cross-on
cross-on
glassy
High Tide
5:44AM0.58m
5:36PM0.67m
6:30AM0.60m
6:02PM0.58m
Low Tide
11:41PM0.07m
11:27AM0.17m
00:06AM0.08m
12:18PM0.24m
part cloud
part cloud
part cloud
thunderstorm
thunderstorm
rain showers
cloud
cloud
light rain
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:03
6:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:52
6:52
6:52
 mm
4
1
1
5
16
4
1
1
1
1
1
Temp °C
28
28
27
26
27
27
29
26
27
27
28
28
27
28
28
28
28
27
27
Feels °C
32
31
31
29
31
31
31
28
21
20
23
29
30
32
33
32
31
30
32
  • 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
How to use the Wavefinder 

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