The Core Surf Break

Lat Long: 24.76° N 121.81° E

The Core Surf Forecast and Surf Report

Issued: 1 am 25 Aug 2026 (local time)

Forecast update in  hr  min

Today's The Core sea temperature is
28.5°C
0.1° 

The Core surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


The Core surf forecast from 24 Aug 2026:

  • Best quality surf: Tuesday 25 Aug, 5PM (local time) - 8ft (2.4m), 17s period, E swell with cross-offshore winds.
  • Most powerful swell: Tuesday 25 Aug, 5PM (local time) - 8ft (2.4m), 17s period, E swell with 3,419 kJ wave energy.
  • Next surfable swell (1★+): Tuesday 25 Aug, 5AM (local time) - 5ft (1.6m), 17s period with E swell.

Best Forecast Surf Conditions for The Core this week:

The surf forecast for The Core over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Aug 25) at 5AM. The primary swell is predicted to be 1.6m and 17s period with a secondary swell of 0.3m and 11s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at The Core in the next 16 days are 2.4m 17s and forecast to arrive on Tuesday (Aug 25) 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 7s period and expected on Tuesday (Aug 25) at 5AM.

Wave TypeTime (CST) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Tue 25th Aug)5ft (1.6m) 17s
Best Surf 5PM (Tue 25th Aug)8ft (2.4m) 17s
Most Powerful 5PM (Tue 25th Aug)8ft (2.4m) 17s

Table - best surf conditions forecast for The Core over the next 16 days.


The Lowdown

Right then, let’s have a look at what we’ve got for The Core.

First up, you need to know that this spot is an exposed NE-break, so it’s going to suck up whatever east-to-north swell that comes its way. It’s a beginner-friendly wave, but it’s inconsistent, so when it does fire, you gotta be on it. The water temperature is about average for the time of year, nothing weird going on there.

The big news is a solid pulse of easterly groundswell, and I mean a *big* one, with the combined energy hitting 2654 (strong to very strong). This is a very long-period groundswell at 18 seconds, coming from the east, so it’s going to have that deep ocean push. That kind of period can make a beach break a bit too straight, but The Core can handle it. Tuesday morning (25 August) sees that 7ft easterly swell with a light cross-shore NNW breeze. It’s surfable, but Tuesday afternoon the wind swings cross-on and the swell jumps to 8ft, so it gets a bit messy.

But Wednesday 26 August... that’s the standout. The swell drops slightly to 6ft from the ENE, period still a meaty 14 seconds, and the wind goes glassy – totally clean. That’s your window for the best waves. Morning is glass, afternoon is glass again, with the swell building back to 7ft. Pure silence on the water, just you and the set waves. This is quality for experienced surfers, so if you’re a beginner, 6–7ft might be a bit much.

Thursday 27 August holds that 8ft NE swell with 12-second period, and the wind stays glass in the morning and goes cross-off in the afternoon. That’s another really good day, but the break will be pushing expert-only territory at 8ft.

After that, it tails off fast. Friday 28 August the swell drops to 5ft, energy falls to 480 (moderate), and from Saturday 29 August right through to Monday 8 September, you’ve got a long lean spell. The combined energy dips below 200 most days, with weak, short-period junk and poor to marginal surf conditions. There’s almost nothing worth paddling out for. It’s a solid 10-day gap with no recommendations.

Then we get a flicker of hope. Thursday 3 September morning shows 7ft NNE swell, 11 seconds, with a light cross ESE wind – not great. But Thursday afternoon... the glass kicks in again. 8ft from the NNE, 12-second period, energy at 1358, and it’s glassy. That’s your second standout. Perfect for experienced surfers again, but a solid swell.

So to sum up: Wednesday 26 August – glassy, 6–7ft ENE groundswell, this is the pick of the whole run. Thursday 27 August morning is also glassy and a touch bigger. After that, you’re waiting until Thursday 3 September afternoon for the next clean, lined-up swell. The core of this outlook is those two glassy windows.

Rusty.

Short Range Forecast

Heavy rain (total 39mm), heaviest during Tue afternoon. Warm (max 32°C on Thu morning, min 24°C on Thu night). Wind will be generally light.

Days 4-6 Weather Summary

Heavy rain (total 138mm), heaviest during Sun night. Warm (max 30°C on Fri afternoon, min 24°C on Fri morning). Wind will be generally light.

Tuesday
25
Wednesday
26
Thursday
27
Friday
28
Saturday
29
Sunday
30
Monday
31
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
3
5
3
4
4
4
4
4
4
0
0
0
0
1
0
0
0
1
0
1
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.1
E
18
2.4
E
17
2.4
E
16
1.9
ENE
13
2.1
ENE
13
2.1
NE
12
2
NNE
12
1.9
NNE
12
2.3
NNE
12
0.9
N
10
0.5
E
12
0.9
ENE
7
1.4
ENE
8
1.4
ENE
8
1.7
E
8
1.4
ESE
7
1.1
E
6
1
ESE
10
1.6
ESE
9
1.6
E
9
1.6
ESE
9
Wave Graph
Metric surfscale
Energy kJ
2654
3419
2791
1192
1551
1209
1177
1027
1480
153
72
64
238
238
364
192
98
204
374
421
374
Wind (km/h)
10
ENE
10
WNW
10
NW
5
NNE
5
SW
10
WNW
0
ENE
0
SSE
15
SW
5
NW
10
NNE
10
ESE
15
ESE
5
ENE
20
ENE
20
ESE
25
ESE
10
ESE
10
E
5
NE
10
NW
Wind State
on
cross-off
cross
glassy
glassy
cross-off
glassy
glassy
off
cross
on
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross
cross-on
on
cross
High Tide
5:58PM1.15m
4:42AM1.41m
6:17PM1.20m
5:21AM1.47m
6:37PM1.25m
5:58AM1.50m
6:58PM1.30m
6:35AM1.51m
7:20PM1.34m
7:13AM1.47m
7:43PM1.38m
7:52AM1.40m
8:08PM1.41m
Low Tide
11:13AM0.25m
10:51PM0.79m
11:43AM0.20m
11:26PM0.70m
12:12PM0.17m
11:59PM0.61m
12:39PM0.18m
00:32AM0.52m
1:06PM0.22m
1:07AM0.44m
1:33PM0.29m
1:44AM0.38m
1:59PM0.38m
2:24AM0.34m
thunderstorm
heavy rain
cloud
part cloud
cloud
rain showers
cloud
cloud
mod rain
mod rain
part cloud
thunderstorm
thunderstorm
rain showers
heavy rain
thunderstorm
mod rain
thunderstorm
rain showers
clear
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:30
5:31
5:31
5:31
5:31
5:31
5:33
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:19
6:17
6:16
6:15
6:15
6:14
6:13
 mm
11
16
4
8
9
18
12
6
30
11
7
45
2
1
Temp °C
26
26
26
29
29
26
32
32
28
27
30
27
28
28
27
27
27
26
28
29
26
Feels °C
29
31
29
34
34
31
37
37
33
31
34
33
31
31
32
30
30
28
31
32
31
  • 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 The Core Surf forecast

The above surf forecast table for The Core provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at The Core can be found by selecting the local surf guide option on the grey menu. Our The Core 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 (The Core) 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 The Core 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 North Taiwan? If you are looking for accommodation near The Core, camping, hotels and holiday cottages in North Taiwan, consider staying in I-lan which is 6 km (4 miles) away. Other places in and around North Taiwan where you can find information about places to rent, and car hire include Gueishan which is 31 km (19 miles) away, Sindian, Sijhih and Jhonghe.

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