Surf Forecast Surf Report

Goat Island/Mokuauia surfForecast / HAW – Oahu / USA

information circle12 Day Weather and Surf, issued 1 am Monday 31 Mar 2025 HST
Forecast update in hr  min  s Forecast update imminent
Goat Island/Mokuauia surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Goat Island/Mokuauia sea temperature is
25.2° C
(Which is 1.1°C warmer than normal for this time of year)


Best Forecast Surf Conditions for Goat Island/Mokuauia this week:

The surf forecast for Goat Island/Mokuauia over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Apr 02) at 11AM. The primary swell is predicted to be 0.6m and 11s period with a secondary swell of 1.0m and 6s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Goat Island/Mokuauia in the next 12 days are 4.5m 16s and forecast to arrive on Sunday (Apr 06) at 2AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 6s period and expected on Saturday (Apr 05) at 11AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)11AM (Wed 2nd Apr)2ft (0.6m) 11s
Best Surf 5PM (Sat 5th Apr)13ft (4.0m) 17s
Most Powerful 2AM (Sun 6th Apr)15ft (4.5m) 16s

Table - best surf conditions forecast for Goat Island/Mokuauia over the next 12 days.

Updates in  hr  min  s Forecast update imminent
Monday
31
Tuesday
01
Wednesday
02
Thursday
03
Friday
04
Saturday
05
Sunday
06
Monday
07
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.8
NNE
0.7
NNE
0.6
NNE
0.8
N
0.9
N
0.7
N
0.6
N
0.9
E
0.7
E
0.7
E
0.6
NNW
1.4
NNW
2.2
NNW
2.1
NNW
2.2
NNW
3
NNW
4
NNW
4.5
N
3.5
NNW
3.5
NNW
3.5
NNW
3
NNW
2.5
N
2.3
N
1.9
N
2
N
2.1
NNE
2.5
NNE
3
NNE
2.5
NNW
1.9
NNW
2.5
ENE
3
NE
2.5
ENE
3
NE
3.5
ENE
Period(s) (?)109812111111688121014131317171616161615141413137810121188889
Wave
Graph
(?)Metric surfscale
Energy (?)12080541691921128168696811741718031465157253998521100097085708555703767310821251245130839772716521671950821135196014351941
Wind
(km/h)
10
SSE
25
SSE
10
S
15
SSE
20
SSE
15
ESE
0
ESE
20
W
5
WSW
0
ESE
5
W
0
ESE
10
E
15
ENE
20
ENE
25
ENE
30
ENE
30
ENE
30
ENE
30
ENE
25
ENE
30
ENE
30
ENE
25
ENE
30
ENE
30
NE
30
NE
30
NE
30
ENE
30
ENE
30
ENE
30
ENE
30
E
35
E
40
ENE
40
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
onononcross-
on
oncrossglasscrosscrossglassglassglasscrosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crosscrosscross-
off
cross
High Tide
/ height (m)
4:30PM
0.67
2:48AM
0.39
5:30PM
0.65
2:40AM
0.34
6:45PM
0.61
8:29PM
0.58
10:09PM
0.58
11:11PM
0.59
11:07AM
0.20
11:50PM
0.59
11:54AM
0.28
12:16AM
0.58
12:30PM
0.36
12:36AM
0.56
1:02PM
0.43
12:50AM
0.54
1:32PM
0.49
1:03AM
0.51
2:03PM
0.54
1:16AM
0.48
Low Tide
/ height (m)
9:06AM
-0.13
10:23PM
0.19
9:39AM
-0.12
11:42PM
0.23
10:14AM
-0.09
10:56AM
-0.05
12:03PM
0.00
2:07PM
0.04
7:09AM
0.11
3:55PM
0.05
6:52AM
0.09
5:00PM
0.04
6:48AM
0.07
5:47PM
0.05
6:51AM
0.04
6:25PM
0.06
7:00AM
0.01
7:00PM
0.08
7:13AM
-0.02
7:36PM
0.10
Monday
31
Tuesday
01
Wednesday
02
Thursday
03
Friday
04
Saturday
05
Sunday
06
Monday
07
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
Sunrise6:24--6:24--6:22--6:22--6:22--6:20--6:20--6:18--6:18--6:16--6:16--6:15--
Sunset-6:45--6:45--6:45--6:46--6:46--6:46--6:47--6:47--6:47--6:49--6:49--6:49-
part cloudpart cloudpart cloudpart cloudpart cloudpart cloudcloudpart cloudpart cloudpart cloudcloudpart cloudcloudpart cloudpart cloudrain showerspart cloudrain showersthunderstorm thunderstorm thunderstorm thunderstorm clearthunderstorm clearrain showersrain showerspart cloudpart cloudpart cloudclearclearrain showersclearclearpart cloud
Rain (mm)
---------------1-31112-3-24-----1---
Temp. °C262725252625242524252424252524242423232323242423232422222323232323232323
Feels °C (?)272524252527272525282527262524222221202121222221212219181818201919191819

Short Range Forecast: Mostly dry. Warm (max 27°C on Mon afternoon, min 23°C on Tue night). Wind will be generally light.

Days 3-6 Weather Summary Light rain (total 4mm), mostly falling on Sat morning. Warm (max 25°C on Thu morning, min 23°C on Thu morning). Winds increasing (calm on Thu morning, fresh winds from the ENE by Sat night).

Days 6-9 Weather Summary Moderate rain (total 14mm), heaviest on Mon morning. Warm (max 24°C on Mon morning, min 22°C on Mon night). Mainly fresh winds.

Long Range Forecast: Light rain (total 2mm), mostly falling on Thu night. Warm (max 23°C on Wed afternoon, min 22°C on Wed morning). Mainly strong winds.

  • 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 Goat Island/Mokuauia Surf forecast

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

Goat Island/Mokuauia is 21 km (13 miles) from Wahiawa. If you plan a vacation in Oahu, look for hotels and other accommodation in Wahiawa. Wahiawa has rooms for a wide range of budgets as well as car hire and transport links.

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