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Surf Forecasts:

Mahai'ula Bay surfForecast / HAW – Big Island / USA

information circle48hr Weather and Surf, issued 7 am Sunday 17 May 2026 HST
Forecast update in hr  min  s Forecast update imminent
Mahai'ula Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Mahai'ula Bay sea temperature is
26.0° C
 (Which is slightly warmer than usual)
Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table

Short Range Forecast

Light rain (total 7mm), mostly falling on Mon afternoon. Warm (max 27°C on Sun morning, min 25°C on Sun night). Wind will be generally light.

Sunday
17
Monday
18
Tuesday
19
Wed
20
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
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
Rating
(10 max)
1
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)
0.4
SW
14
0.5
SSW
16
0.5
SSW
15
0.5
SSW
16
0.7
SSW
15
0.7
SSW
15
0.7
SSW
15
0.7
SSW
14
0.5
N
6
0.5
N
5
0.8
SSW
15
0.8
SSW
16
0.7
SSW
14
0.7
SSW
14
0.7
SSW
14
0.5
N
6
0.8
SSW
15
0.6
SSW
14
0.7
SSW
14
0.6
SSW
14
0.8
SSW
14
0.8
SSW
14
0.8
SSW
14
0.7
SSW
14
Wave Graph
Metric surfscale
Energy kJ
73
0
0
0
0
0
0
0
17
14
0
0
0
0
0
18
0
0
0
0
0
0
0
0
Wind (km/h)
10
NE
5
S
10
SW
15
WSW
10
SW
10
S
5
SSE
0
NW
5
NNE
5
NNW
5
W
15
SW
10
SW
5
WNW
0
WSW
0
SE
5
ESE
0
NE
10
W
5
WSW
5
SW
5
S
5
SSE
5
NE
Wind State
cross-off
glassy
cross-on
cross-on
cross-on
cross-off
glassy
glassy
glassy
glassy
cross-on
cross-on
cross-on
on
glassy
glassy
glassy
glassy
on
glassy
cross-on
glassy
glassy
glassy
High Tide
3:44AM0.36m
4:48PM0.95m
4:33AM0.32m
5:37PM0.93m
5:26AM0.30m
6:28PM0.88m
Low Tide
9:22AM-0.03m
00:03AM0.13m
10:03AM-0.01m
1:02AM0.14m
10:48AM0.03m
clear
clear
clear
part cloud
clear
clear
clear
clear
part cloud
clear
clear
thunderstorm
thunderstorm
part cloud
part cloud
clear
clear
clear
part cloud
thunderstorm
thunderstorm
thunderstorm
part cloud
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:47
—
—
—
—
—
—
—
5:47
—
—
—
—
—
—
—
5:47
—
—
—
—
—
—
5:46
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
6:52
—
—
—
—
—
—
—
6:52
—
—
—
—
—
—
—
6:53
—
—
6:53
 mm
—
—
—
—
—
—
—
—
—
—
—
1
1
—
—
—
—
—
—
1
1
1
—
1
Temp °C
25
26
27
27
27
26
26
25
25
26
27
27
26
26
25
25
25
25
26
26
26
26
25
25
Feels °C
27
29
29
28
29
28
30
29
28
29
30
29
29
30
29
29
29
29
29
29
29
30
29
29
Swell 1
Height (m)
Direction
Period (s)
0.5
SSW
16
0.5
SSW
16
0.6
NNE
8
0.5
SSW
16
0.7
SSW
15
0.7
SSW
15
0.7
NE
7
0.8
NNE
7
0.7
NNE
7
0.7
NNE
6
0.8
SSW
15
0.8
NNE
6
0.8
NNE
6
0.7
NNE
6
0.8
NNE
6
0.8
SSW
15
0.8
SSW
15
0.6
SSW
14
0.7
SSW
14
0.7
NNE
6
0.8
SSW
14
0.8
SSW
14
0.9
NNE
6
0.8
NNE
5
Energy kJ
144
137
41
137
196
193
49
59
38
34
242
47
51
32
49
256
242
163
180
31
239
239
56
36
Swell 2
Height (m)
Direction
Period (s)
0.5
S
6
0.5
NNE
8
0.5
SSW
15
0.6
NNE
8
0.6
NNE
8
0.6
NNE
7
0.7
SSW
15
0.7
SSW
14
0.7
SSW
14
0.7
SSW
14
0.7
NNE
6
0.8
SSW
16
0.7
SSW
14
0.7
SSW
14
0.7
SSW
14
0.7
NNE
6
0.7
NNE
6
0.7
NNE
6
0.7
NNE
6
0.6
SSW
14
0.7
NNE
6
0.8
NNE
6
0.8
SSW
14
0.7
SSW
14
Energy kJ
22
33
135
41
42
36
188
183
183
180
33
277
166
163
163
33
32
32
30
160
29
44
233
210
Swell 3
Height (m)
Direction
Period (s)
0.4
SW
14
0.5
S
7
0.5
S
7
0.4
SSE
6
0.4
SSE
6
0.4
SSE
6
0.4
SSE
6
0.3
S
6
0.3
S
6
0.4
SSE
10
0.6
SSW
19
0.4
SW
19
0.4
SSW
16
0.4
SSE
10
0.4
SSE
10
0.4
SSE
10
0.3
SSE
10
0.4
SSW
17
0.4
SSW
17
0.4
SSW
17
0.3
SSE
10
0.3
SSE
10
0.3
SSE
10
0.3
SSE
9
Energy kJ
73
23
22
14
13
13
13
7
7
33
251
96
87
31
31
32
20
101
99
101
18
18
18
17
Wind waves
Height (m)
Direction
Period (s)
0.3
NNW
3
—
—
—
—
—
—
—
0.5
N
6
0.5
N
5
—
—
—
—
—
0.5
N
6
—
—
—
—
—
—
—
—
Energy kJ
2
—
—
—
—
—
—
—
17
14
—
—
—
—
—
18
—
—
—
—
—
—
—
—
Nearest Offshore or Glassy
Mahai'ula Bay
HAW - Big Island
Kahalu'u
HAW - Big Island
Bay Front
HAW - Big Island
Kihei Cove
HAW - Maui
Kawaihae Breakwater
HAW - Big Island
Hulihee Palace
HAW - Big Island
Honokohau Harbour
HAW - Big Island
Pine Trees
HAW - Big Island
Pine Trees
HAW - Big Island
Pine Trees
HAW - Big Island
Dumps
HAW - Maui
Spencer Beach Park
HAW - Big Island
Dumps
HAW - Maui
Dumps
HAW - Maui
Pine Trees
HAW - Big Island
Pine Trees
HAW - Big Island
Pine Trees
HAW - Big Island
Pine Trees
HAW - Big Island
Dumps
HAW - Maui
Kihei Cove
HAW - Maui
Manini Beach
HAW - Big Island
Manini Beach
HAW - Big Island
Manini Beach
HAW - Big Island
Pine Trees
HAW - Big Island
Rating
(10 max)
1
2
2
1
1
2
1
1
1
1
2
1
2
2
1
2
2
2
2
2
2
2
2
1
Distance (km)
0
24
101
113
36
18
13
11
11
11
100
34
100
100
11
11
11
11
100
113
38
38
38
11
Best forecast wave conditions in Big Island
Hilo Breakwall
Hilo Breakwall
Hilo Breakwall
Kawaihae Breakwater
Magics
Magics
Old Kona Airport State Park
Hilo Breakwall
Magics
Kawaihae Breakwater
Chocks
Hilo Breakwall
Hilo Breakwall
Hilo Breakwall
Magics
Palemano Point
Palemano Point
Palemano Point
Hilo Breakwall
Rating
(10 max)
2
2
2
1
2
2
1
2
2
1
3
2
2
2
2
2
2
2
2
Best forecast wave conditions in United States
Consessions/Big Rights
HAW - Oahu
Ranches
HAW - Oahu
Tennis Courts
HAW - Oahu
Jockos Point
HAW - Oahu
Steamer Lane-Middle Peak
CAL - Santa Cruz
Mouse Rock
CAL - San Luis Obispo
Ghost Tree
CAL - Monterey
Mouse Rock
CAL - San Luis Obispo
Cortez Bank
CAL - San Diego County
Cortez Bank
CAL - San Diego County
Cortez Bank
CAL - San Diego County
Rincon - Rivermouth
CAL - Ventura
Cortez Bank
CAL - San Diego County
Cortez Bank
CAL - San Diego County
Cortez Bank
CAL - San Diego County
Ghost Tree
CAL - Monterey
Ghost Tree
CAL - Monterey
Cortez Bank
CAL - San Diego County
Cortez Bank
CAL - San Diego County
Cojo
CAL - Santa Barbara
Ghost Tree
CAL - Monterey
Cortez Bank
CAL - San Diego County
Gale Point
CAL - Humboldt
Boners
CAL - San Luis Obispo
Rating
(10 max)
2
2
2
2
5
7
5
4
5
4
4
2
4
4
4
4
4
3
3
3
4
4
5
4
Header Global
Fullers
United States
Steamer Lane-The Point
United States
Balephetrish (Tiree)
United Kingdom
Balephetrish (Tiree)
United Kingdom
Steamer Lane-Middle Peak
United States
Boners
United States
Ghost Tree
United States
Beach Road
South Africa
Cortez Bank
United States
Bali Village
Indonesia
Bali Village
Indonesia
Bali Village
Indonesia
Bali Village
Indonesia
Black Rock
Australia
Bankvaults
Indonesia
Bankvaults
Indonesia
Bali Village
Indonesia
Bali Village
Indonesia
Bali Village
Indonesia
Afife
Portugal
Cavalos de Fao
Portugal
Arrifana
Portugal
Achadas Da Cruz
Portugal
Itaúna
Brazil
Rating
(10 max)
8
6
4
4
5
7
5
4
5
4
4
4
4
4
4
4
4
4
4
4
5
4
4
5
  • 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

Latest Updates

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View detailed surf forecast for Mahai'ula Bay at:
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