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Surf Forecasts:

Goat Island/Mokuauia surfForecast / HAW – Oahu / USA

information circle12 Day Weather and Surf, issued 1 pm Wednesday 28 Jan 2026 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
24.5° C
 (Which is 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 Thursday (Jan 29) at 2AM. The primary swell is predicted to be 1.3m and 12s period. 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 5.5m 16s and forecast to arrive on Tuesday (Feb 03) at 5PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.7m 6s period and expected on Monday (Feb 02) at 5PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Thu 29th Jan)4.5ft (1.3m) 12s
Best Surf 2AM (Sat 31st Jan)13ft (4.0m) 16s
Most Powerful 5PM (Tue 3rd Feb)18ft (5.5m) 16s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Light rain (total 2mm), mostly falling on Fri morning. Warm (max 25°C on Wed afternoon, min 21°C on Fri night). Wind will be generally light.

Days 3-6 Weather Summary Light rain (total 7mm), mostly falling on Mon night. Warm (max 25°C on Mon morning, min 21°C on Tue morning). Winds increasing (light winds from the SSW on Sun morning, fresh winds from the SW by Mon afternoon).

Wed
28
Thursday
29
Friday
30
Saturday
31
Sunday
01
Monday
02
Tuesday
03
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
3
3
4
3
4
5
7
9
5
4
2
4
2
0
0
0
3
9
8
7
2
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.7
NNW
1.3
NNW
1.6
NW
2.5
NW
3
NW
3
NW
3.5
NW
4
NW
3.5
NW
3
NW
2.3
NW
1.9
NW
1.7
NW
1.2
NW
0.8
NW
1.1
NW
3
NW
5
NW
5.5
NNW
4.5
NW
3.5
NW
Period(s) (?)131216151414171615141313121217151214161514
Wave
Graph
(?)Metric surfscale
Energy kJ (?)10025131367268631373325720081775186356918761167792389403595245593721393995104843
Wind
(km/h)
10
W
5
SSW
5
S
10
WSW
5
W
15
NNE
15
NNE
15
ENE
20
E
15
E
10
SE
5
W
15
WSW
10
SSW
25
SW
30
SW
30
NW
25
N
15
NE
20
E
15
ESE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crossglassglasscrosscrossoffcross-
off		cross-
off		cross-
off		crosscross-
on		cross-
off		crosscross-
on		cross-
on		cross-
on		cross-
off		offcross-
off		crosscross-
on
High Tide
/ height (m)
12:59AM
0.74
1:37AM
0.78
11:45AM
0.28
2:12AM
0.80
12:44PM
0.31
2:44AM
0.79
1:35PM
0.35
3:14AM
0.77
2:23PM
0.37
3:39AM
0.72
3:11PM
0.39
4:00AM
0.66
Low Tide
/ height (m)
4:24PM
-0.09
5:23PM
-0.12
8:38AM
0.18
6:14PM
-0.14
8:49AM
0.16
7:00PM
-0.15
9:09AM
0.15
7:42PM
-0.13
9:31AM
0.12
8:21PM
-0.09
9:55AM
0.10
8:58PM
-0.02
10:19AM
0.07
Wed
28
Thursday
29
Friday
30
Saturday
31
Sunday
01
Monday
02
Tuesday
03
Sunrise--7:09--7:09--7:09--7:09--7:09--7:07--7:07
Sunset6:17--6:19--6:19--6:20--6:21--6:21--6:22--
clear
clear
clear
clear
clear
rain showers
rain showers
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
rain showers
clear
clear
clear
clear
Rain (mm)
-----11---------7----
Temp. °C252425252423232222232224242325252421212022
Feels °C (?)272628272624232121232226252523222217181821
  • 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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View detailed surf forecast for Goat Island/Mokuauia at:
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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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