Surf Forecast Surf Report

Sixtynine surfForecast / HAW – Big Island / USA

information circle12 Day Weather and Surf, issued 7 am Monday 17 Mar 2025 HST
Forecast update in hr  min  s Forecast update imminent
Sixtynine surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Sixtynine sea temperature is
25.0° C
(Which is slightly warmer than usual)


Best Forecast Surf Conditions for Sixtynine this week:

The surf forecast for Sixtynine over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Mar 17) at 8PM. The primary swell is predicted to be 0.5m and 13s period. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Sixtynine in the next 12 days are 0.8m 16s and forecast to arrive on Monday (Mar 24) at 8AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 7s period and expected on Tuesday (Mar 18) at 5PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 8PM (Mon 17th Mar)1.5ft (0.5m) 13s
Best Surf 2AM (Mon 24th Mar)2.5ft (0.7m) 17s
Most Powerful 8AM (Mon 24th Mar)2.5ft (0.8m) 16s

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

Updates in  hr  min  s Forecast update imminent
Monday
17
Tuesday
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thursday
27
Friday
28
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
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
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.5
N
0.5
N
0.5
N
0.6
N
0.4
N
0.4
N
0.4
NW
0.4
NW
0.4
NW
0.4
NW
0.4
NW
0.3
NW
0.3
NW
0.4
NW
0.4
NW
0.4
NW
0.4
NW
0.4
NW
0.3
NW
0.4
NW
0.7
NW
0.6
NW
0.8
NW
0.8
NW
0.6
NW
0.5
NW
0.4
NW
0.2
WNW
0.3
SW
0.3
SW
0.3
SW
0.3
SW
0.5
N
0.6
N
0.7
N
0.7
N
Period(s) (?)141411101010161514131312121816161513211917161514131312121616161510111211
Wave
Graph
(?)Metric surfscale
Energy (?)10394590313169575245442322819387766371133273201266248140843714414039365289138118
Wind
(km/h)
10
W
10
W
5
WNW
5
W
10
W
5
NE
10
NNW
5
NNW
10
ENE
5
NW
5
N
5
E
10
NW
5
N
5
ENE
10
N
5
WNW
5
ENE
10
WNW
0
N
5
ENE
10
NW
5
N
5
ENE
10
WNW
5
WNW
5
S
15
W
5
SW
10
WSW
10
WNW
5
WSW
5
SSW
10
W
10
N
5
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
glassoncross-
on
glasscross-
on
glasscross-
off
cross-
on
crossglasscross-
on
crossglasscross-
on
oncross-
off
onglasscross-
off
onglasscross-
off
onglassglassoncross-
on
cross-
on
onglassglassoncrossglass
High Tide
/ height (m)
6:21PM
0.61
5:52AM
0.36
7:02PM
0.61
6:15AM
0.29
7:51PM
0.59
6:37AM
0.24
8:55PM
0.57
6:56AM
0.19
10:15PM
0.57
9:58AM
0.16
11:32PM
0.59
12:06PM
0.19
12:32AM
0.63
1:05PM
0.25
1:21AM
0.67
1:50PM
0.33
2:03AM
0.69
2:31PM
0.42
2:42AM
0.69
3:12PM
0.52
3:19AM
0.66
3:54PM
0.61
3:56AM
0.59
Low Tide
/ height (m)
11:29AM
0.02
12:53AM
0.16
11:50AM
0.03
1:54AM
0.19
12:14PM
0.05
3:23AM
0.21
12:43PM
0.06
6:07AM 1:27PM
0.19 0.09
7:21AM
0.15
2:51PM
0.11
7:41AM
0.12
4:40PM
0.11
8:03AM
0.09
6:05PM
0.08
8:26AM
0.05
7:11PM
0.05
8:50AM
0.02
8:08PM
0.03
9:15AM
-0.01
9:03PM
0.02
9:41AM
-0.04
9:57PM
0.02
Monday
17
Tuesday
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thursday
27
Friday
28
Sunrise6:30--6:28--6:28--6:26--6:26--6:24--6:24--6:24--6:22--6:22--6:20--6:20--
Sunset-6:32--6:32--6:34--6:34--6:34--6:34--6:35--6:35--6:35--6:36--6:36--6:36-
clearpart cloudthunderstorm part cloudpart cloudpart cloudpart cloudcloudcloudpart cloudpart cloudpart cloudpart cloudpart cloudclearclearclearclearclearpart cloudclearclearpart cloudclearclearpart cloudpart cloudclearpart cloudrain showersrain showersrain showerspart cloudclearclearclear
Rain (mm)
--1--------------------------111----
Temp. °C262524252523262423262624262624262723252523252423262524252524252524252624
Feels °C (?)272627272726262525262727262727262726252825262625272627262627272727262826

Short Range Forecast: Some drizzle, heaviest during Mon night. Warm (max 26°C on Mon morning, min 22°C on Mon night). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Warm (max 27°C on Sat afternoon, min 22°C on Thu night). Wind will be generally light.

Days 6-9 Weather Summary Mostly dry. Warm (max 26°C on Tue morning, min 22°C on Sun night). Wind will be generally light.

Long Range Forecast: Light rain (total 3mm), mostly falling on Wed night. Warm (max 26°C on Fri afternoon, min 22°C on Fri night). Wind will be generally light.

  • 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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Information about the Sixtynine Surf forecast

The above surf forecast table for Sixtynine provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Sixtynine can be found by selecting the local surf guide option on the grey menu. Our Sixtynine 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 (Sixtynine) 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 Sixtynine 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.

Sixtynine is 84 km (52 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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