Kawaihae Breakwater surf break

Kawaihae Breakwater surfForecast / HAW – Big Island / USA

information circle12 Day Weather and Surf, issued 7 am Tuesday 20 Jan 2026 HST
Forecast update in hr  min  s Forecast update imminent
Kawaihae Breakwater surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Kawaihae Breakwater sea temperature is
25.5° C
(Which is 1.0°C warmer than normal for this time of year)


Best Forecast Surf Conditions for Kawaihae Breakwater this week:

The surf forecast for Kawaihae Breakwater over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Jan 20) at 5PM. The primary swell is predicted to be 0.6m and 16s period. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Kawaihae Breakwater in the next 12 days are 0.9m 16s and forecast to arrive on Wednesday (Jan 21) at 8PM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 12s period and expected on Friday (Jan 23) at 8PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 5PM (Tue 20th Jan)2ft (0.6m) 16s
Best Surf 2PM (Wed 21st Jan)2ft (0.6m) 16s
Most Powerful 8PM (Wed 21st Jan)3ft (0.9m) 16s

Table - best surf conditions forecast for Kawaihae Breakwater over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Warm (max 25°C on Wed afternoon, min 22°C on Tue morning). Wind will be generally light.

Days 3-6 Weather Summary Light rain (total 3mm), mostly falling on Sat afternoon. Warm (max 24°C on Fri afternoon, min 22°C on Fri morning). Wind will be generally light.

Tuesday
20
Wednesday
21
Thursday
22
Friday
23
Saturday
24
Sunday
25
Monday
26
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
1
1
1
2
2
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.4
WNW
0.6
WNW
0.6
WNW
0.6
WNW
0.6
WNW
0.9
WNW
0.8
WNW
0.8
WNW
0.8
WNW
0.7
NW
0.6
WNW
0.5
WNW
0.4
WNW
0.4
WNW
0.4
NW
0.2
WNW
0.4
NW
0.2
WNW
0.2
WNW
0.2
WNW
0.2
WNW
Period(s) (?)121614131615141413131212121211151413131212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)5916914012017537226123621916710381545330215317171414
Wind
(km/h)
10
WSW
5
NW
5
ENE
5
NNW
5
NE
0
N
5
N
0
NNE
5
SE
5
NNW
10
NNE
10
E
5
NE
15
N
5
E
5
WNW
5
NW
10
ENE
5
W
0
NNE
5
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
glassglassglassglassglassglassglassglasscross-
off
offcross-
off
offcross-
off
glassglassglasscross-
off
glassglassglass
High Tide
/ height (m)
5:30PM
0.33
5:47AM
0.73
6:17PM
0.37
6:18AM
0.68
7:09PM
0.41
6:49AM
0.60
8:08PM
0.46
7:22AM
0.51
9:16PM
0.52
8:00AM
0.41
10:31PM
0.58
8:49AM
0.30
11:45PM
0.65
Low Tide
/ height (m)
12:15PM
0.03
10:50PM
0.02
12:42PM
0.02
11:35PM
0.07
1:11PM
0.01
12:28AM
0.14
1:40PM
0.00
1:35AM
0.21
2:13PM
-0.00
3:09AM
0.26
2:52PM
-0.01
5:26AM
0.26
3:40PM
-0.01
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
Saturday
24
Sunday
25
Monday
26
Sunrise7:01--7:01--7:01--7:00--7:00--7:00--7:00--
Sunset-6:07--6:07--6:07--6:08--6:09--6:09--6:10-
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
light rain
rain showers
clear
part cloud
clear
clear
part cloud
part cloud
Rain (mm)
-------------12------
Temp. °C232423242523242523232422242422242423242423
Feels °C (?)232325252625252625252522252523262525262626
  • 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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Information about the Kawaihae Breakwater Surf forecast

The above surf forecast table for Kawaihae Breakwater provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Kawaihae Breakwater can be found by selecting the local surf guide option on the grey menu. Our Kawaihae Breakwater surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Kawaihae Breakwater) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Kawaihae Breakwater may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Kawaihae Breakwater is 87 km (54 miles) from Hilo. If you plan a vacation in Big Island, look for hotels and other accommodation in Hilo. Hilo has rooms for a wide range of budgets as well as car hire and transport links.

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