The Core Surf Break

Lat Long: 24.76° N 121.81° E

The Core Surf Forecast and Surf Report

Issued: 1 am 06 Sep 2026 (local time)

Forecast update in  hr  min

Today's The Core sea temperature is
28.1°C
0.2° 

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 6 Sep 2026:

  • Best quality surf: Sunday 6 Sep, 11AM (local time) - 11ft (3.5m), 10s period, NNE swell with cross-shore winds.
  • Most powerful swell: Sunday 6 Sep, 11AM (local time) - 11ft (3.5m), 10s period, NNE swell with 2,443 kJ wave energy.
  • Next surfable swell (1★+): Sunday 6 Sep, 11AM (local time) - 11ft (3.5m), 10s period with NNE 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 Sunday (Sep 06) at 11AM. The primary swell is predicted to be 3.5m and 10s period with a secondary swell of 3.0m and 11s. The wind is predicted to be cross-shore as the swell arrives.

The most powerful waves expected at The Core in the next 16 days are 3.5m 10s and forecast to arrive on Sunday (Sep 06) at 11AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 8s period and expected on Sunday (Sep 06) at 11AM.

Wave TypeTime (CST) & Date Wave Height & Period
Next good surf (1 star+)11AM (Sun 6th Sep)11ft (3.5m) 10s
Best Surf11AM (Sun 6th Sep)11ft (3.5m) 10s
Most Powerful11AM (Sun 6th Sep)11ft (3.5m) 10s

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


The Lowdown

Alright folks, Rusty here. Let’s get into it.

Well, I’ll be honest with you, the outlook for The Core over the next 16 days is a bit of a mixed bag, and it’s going to take a little patience. The swell is coming in, but it’s going to be a fight with the wind for most of the period. The Core is an exposed spot, but it’s a beginner-friendly wave that’s inconsistent, so it needs perfect conditions to really shine. The water temp is sitting at 83°, which is about average for this time of year, so no worries on that front.

The forecast kicks off on Sunday, September 6th, with a real beast of a swell. We’re looking at a solid 12 ft NNE swell with a 10-second period. The combined energy here is a massive 4252 (strong to very strong energy). But here’s the catch – that’s way too big for a beginner spot like The Core, even with the wind and tide being favorable. It’s a Sunday morning, so it’s a spectacle, but not a paddle. That afternoon sees the swell drop a touch to 10 ft, but it’s still over the top for the crew on shortboards.

Monday the 7th through Wednesday the 9th is a bit of a write-off, sorry. The swell drops to around 6 ft to 7 ft, but the wind is cross-onshore and choppy from the N and NNW. The energy is moderate (between 447 and 666). The wave comment is “poor surf conditions,” and I’m not going to argue with that. The Core just isn’t handling that wind direction well.

Thursday the 10th and Friday the 11th are marginal. The swell is still around 5 ft to 7 ft, and the wind is cross-onshore or onshore. The energy is moderate (511 to 626). The rain and storms don’t help the vibe. It’s a bit of a wait-and-see, but the tide and wind are questionable.

Then we get a bit of a spike on Saturday, September 12th. The swell jumps to 8 ft from the E with a 10-second period, and the energy is strong at 1477. But the wind is cross-onshore from the E at 12 mph, so it’s going to be choppy and messy. That size is still too big for beginners, and the wind is a killer. The afternoon is a little better with a 7 ft E swell, but the wind is still onshore.

The period from Sunday the 13th to Tuesday the 15th is a slow decline. The swell drops to 4 ft to 6 ft, and the wind is mostly cross-shore or cross-onshore. The energy drops to between 197 and 478. The waves are small and weak.

Now, here’s the one true standout. Tuesday, September 15th in the afternoon. The swell is a clean 5 ft from the E with an 8-second period, giving a moderate energy of 502. But the real story is the wind: glassy. Totally calm. The forecast says “expect very good surf conditions.” This is your window. The Core is inconsistent, so this is a rare, perfect moment. The waves will be clean and fun, even if the period is a bit short. It’s the only day I’d be circling on the calendar.

After that, from Wednesday the 16th onwards, it all goes a bit flat. The swell drops to under 4 ft, and the wind is light but not ideal. The energy is weak (152 to 388). The last week of the forecast is a lot of “poor surf conditions” and “marginal” calls. Nothing to get excited about.

So, the bottom line: The Core is a spot that needs a perfect storm of conditions, and we only get one brief window. The first week is too big or too windy, and the second week is too small. If you’re after a surf, hold out for Tuesday afternoon, September 15th. That’s your best bet. Given the inconsistency of the break, a blank run like this is just part of the deal here.

Rusty.

Short Range Forecast

Light rain (total 8mm), mostly falling on Sun morning. Warm (max 29°C on Mon morning, min 23°C on Mon night). Wind will be generally light.

Days 4-6 Weather Summary

Heavy rain (total 159mm), heaviest during Fri night. Warm (max 28°C on Wed afternoon, min 24°C on Wed night). Wind will be generally light.

Sunday
6
Monday
7
Tuesday
8
Wednesday
9
Thursday
10
Friday
11
Saturday
12
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
0
0
2
0
0
1
0
1
0
1
1
1
1
0
4
1
2
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
3.5
NNE
10
3
NNE
10
2.4
NNE
9
2
NNE
9
2
NNE
9
1.7
NE
9
1.8
NNE
9
1.7
NNE
9
1.4
NE
9
1.8
NNE
8
1.7
NNE
8
1.7
NNE
8
1.5
N
8
2.1
NNE
8
2
NNE
8
1.9
NNE
9
1.8
NNE
10
2.5
ESE
10
2.5
E
10
2.1
E
9
1.7
ESE
9
Wave Graph
Metric surfscale
Energy kJ
2443
1368
929
666
618
460
559
486
316
443
339
365
268
555
581
601
566
1225
1240
792
442
Wind (km/h)
15
NNW
15
NW
15
NNW
20
N
20
N
10
WNW
15
N
20
N
15
NW
20
N
15
NNW
15
NNW
15
NNW
15
NNW
15
NNE
15
NE
15
NNW
5
SSE
20
E
15
ESE
5
ESE
Wind State
cross
cross
cross
cross-on
cross-on
cross-off
cross-on
cross-on
cross
cross-on
cross
cross-on
cross-on
cross-on
on
on
cross-on
cross-off
cross-on
cross-on
cross
High Tide
4:29PM1.07m
1:57AM1.32m
4:59PM1.15m
3:19AM1.39m
5:27PM1.22m
4:21AM1.48m
5:53PM1.28m
5:12AM1.53m
6:18PM1.33m
5:58AM1.54m
6:42PM1.38m
6:40AM1.51m
7:06PM1.41m
Low Tide
8:36AM0.31m
8:04PM0.99m
9:47AM0.22m
9:35PM0.89m
10:38AM0.15m
10:30PM0.76m
11:20AM0.11m
11:14PM0.62m
11:56AM0.13m
11:54PM0.50m
12:29PM0.18m
00:32AM0.39m
12:58PM0.27m
1:10AM0.32m
mod rain
cloud
rain showers
clear
clear
clear
clear
clear
clear
part cloud
rain showers
rain showers
rain showers
rain showers
rain showers
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:35
5:35
5:35
5:35
5:35
5:37
5:37
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:07
6:06
6:05
6:04
6:01
6:00
6:00
 mm
6
2
1
10
2
3
28
13
27
75
13
12
8
Temp °C
26
26
26
29
29
24
29
29
24
27
28
25
25
26
26
26
26
25
26
26
26
Feels °C
29
29
30
29
28
26
29
28
26
27
28
28
27
27
30
29
28
30
29
29
30
  • 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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