Boulders surfForecast / Upolu / Samoa

information circle12 Day Weather and Surf, issued 6 pm Monday 22 Dec 2025 +13
Forecast update in hr  min  s Forecast update imminent
Boulders surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Boulders sea temperature is
29.8° C
(Which is 1.0°C warmer than normal for this time of year)


Best Forecast Surf Conditions for Boulders this week:

The surf forecast for Boulders over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Dec 23) at 1AM. The primary swell is predicted to be 0.6m and 12s period with a secondary swell of 0.8m and 8s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Boulders in the next 12 days are 1.2m 15s and forecast to arrive on Monday (Dec 29) at 7PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 4s period and expected on Monday (Dec 22) at 10PM.

Wave TypeTime (+13) & Date Wave Height & Period
Next good surf (1 star+) 1AM (Tue 23rd Dec)2ft (0.6m) 12s
Best Surf 1PM (Mon 29th Dec)3.5ft (1.1m) 16s
Most Powerful 7PM (Mon 29th Dec)4ft (1.2m) 15s

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

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Moderate rain (total 11mm), heaviest on Mon night. Warm (max 29°C on Mon afternoon, min 28°C on Mon night). Winds decreasing (fresh winds from the NNE on Tue night, calm by Wed night).

Days 3-6 Weather Summary Heavy rain (total 42mm), heaviest during Sat night. Warm (max 28°C on Thu afternoon, min 27°C on Sat night). Wind will be generally light.

Mon
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
1
0
1
1
0
1
1
1
1
1
0
0
1
0
1
0
1
2
2
1
Swell
Height Map
Wave Height (m) & direction (?)
0.6
SW
0.6
SW
0.7
SE
0.7
SE
0.5
SW
0.6
SW
0.6
S
0.5
SW
0.5
SW
0.5
SW
0.4
SW
0.4
SSW
0.4
SSW
0.6
S
0.5
S
0.6
SSE
0.6
SW
0.6
SW
0.6
SW
0.8
SW
1
SW
Period(s) (?)1212881213101212121110101111121818161616
Wave
Graph
(?)Metric surfscale
Energy kJ (?)11411260647113871716968433233916296197246211310489
Wind
(km/h)
30
NNW
15
WNW
30
N
20
N
25
NNE
30
NNE
20
N
5
NNW
10
N
5
W
5
NE
15
NE
15
NE
15
NE
20
ENE
15
NE
15
E
20
NNE
10
NNE
5
N
15
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offcross-
off
offoffoffoffoffglassoffglasscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crosscross-
off
cross-
off
glasscross-
off
High Tide
/ height (m)
8:12PM
1.01
8:47AM
0.86
8:52PM
1.00
9:30AM
0.86
9:35PM
0.98
10:15AM
0.88
10:22PM
0.96
11:05AM
0.90
11:14PM
0.95
11:58AM
0.94
12:12AM
0.95
12:54PM
0.99
1:15AM
0.95
Low Tide
/ height (m)
2:37AM
0.20
2:32PM
0.29
3:17AM
0.22
3:16PM
0.31
3:58AM
0.23
4:04PM
0.32
4:43AM
0.24
4:59PM
0.33
5:33AM
0.24
6:00PM
0.31
6:27AM
0.23
7:05PM
0.28
7:24AM
0.22
Mon
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Sunrise--5:56--5:56--5:58--5:58--5:58--5:58--6:00
Sunset6:53--6:53--6:54--6:54--6:55--6:55--6:57--
thunderstorm
thunderstorm
part cloud
cloud
rain showers
clear
clear
part cloud
thunderstorm
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
Rain (mm)
26--2---1-224934162272
Temp. °C292929292928292928282828282828282827282828
Feels °C (?)293128303226313231323230303129303028313129
  • 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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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Boulders surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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Information about the Boulders Surf forecast

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

Are you planning a holiday in Otago? If you are looking for accommodation near Otago Peninsula - Boulder Beach, camping, hotels and holiday cottages in Otago, consider staying in Dunedin which is 9 km (6 miles) away.

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