Third Reef Surf Break

Lat Long: 40.03° N 124.08° W

Issued: 10 pm 16 Jun 2026 (local time)

Forecast update in  hr  min

Today's Third Reef sea temperature is
11.4° C

Slightly cooler than normal

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


Third Reef surf forecast from 17 Jun 2026:

  • Best quality surf: Wednesday 17 Jun, 5PM (local time) - 3.5ft (1.1m), 18s period, SW swell with glassy winds.
  • Most powerful swell: Sunday 21 Jun, 5PM (local time) - 8ft (2.4m), 9s period, NW swell with 890 kJ wave energy.
  • Next surfable swell (1★+): Wednesday 17 Jun, 8AM (local time) - 3.5ft (1.0m), 18s period with SW swell.

Best Forecast Surf Conditions for Third Reef this week:

The surf forecast for Third Reef over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Jun 17) at 8AM. The primary swell is predicted to be 1.0m and 18s period with a secondary swell of 1.4m and 9s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Third Reef in the next 16 days are 2.4m 9s and forecast to arrive on Sunday (Jun 21) at 5PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 12s period and expected on Saturday (Jun 20) at 5PM.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+) 8AM (Wed 17th Jun)3.5ft (1.0m) 18s
Best Surf 5PM (Wed 17th Jun)3.5ft (1.1m) 18s
Most Powerful 5PM (Sun 21st Jun)8ft (2.4m) 9s

Table - best surf conditions forecast for Third Reef over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Very mild (max 14°C on Wed afternoon, min 11°C on Tue night). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Very mild (max 15°C on Sat night, min 10°C on Sat night). Wind will be generally light.

Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tue
23
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Rating
(10 max)
4
3
4
4
3
3
3
2
3
3
1
1
2
0
3
3
3
3
3
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.2
SW
19
1.1
SW
18
1.1
SW
18
1.1
SW
18
1.1
SW
16
1
SW
16
1
SW
16
1
SW
15
1.1
SW
15
0.8
SSW
18
0.9
SSW
14
1.2
SSW
16
1
SSW
16
1.6
NW
9
2.4
NW
9
0.9
SSW
14
1.3
NW
9
1.3
NW
9
0.7
SW
16
0.7
SSW
16
0.8
SSW
16
Wave Graph
Metric surfscale
Energy kJ
1088
727
790
781
610
508
489
459
503
352
362
641
525
430
890
330
281
246
268
229
346
Wind (km/h)
5
N
10
S
5
SSW
10
SE
10
SSW
5
WSW
5
SE
10
SSW
5
WSW
5
NNE
15
WNW
15
NW
15
N
15
NW
5
NW
5
NNW
5
S
5
WNW
5
NNW
20
NW
25
NNW
Wind State
glassy
cross
glassy
cross-off
cross-on
glassy
glassy
cross-on
glassy
glassy
cross-on
cross-on
cross-off
cross-on
cross-on
glassy
glassy
glassy
glassy
cross-on
cross-on
High Tide
00:34AM2.16m
2:56PM1.49m
1:30AM2.02m
3:44PM1.53m
2:28AM1.83m
4:31PM1.58m
3:30AM1.60m
5:17PM1.63m
4:40AM1.38m
6:02PM1.69m
6:02AM1.20m
6:45PM1.74m
7:31AM1.11m
7:26PM1.78m
Low Tide
7:58AM-0.63m
7:37PM0.84m
8:47AM-0.49m
8:44PM0.81m
9:36AM-0.30m
9:58PM0.75m
10:24AM-0.08m
11:16PM0.64m
11:10AM0.14m
00:31AM0.50m
11:56AM0.36m
1:38AM0.34m
12:42PM0.55m
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
clear
clear
part cloud
clear
clear
part cloud
clear
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:46
5:47
5:47
5:47
5:47
5:47
5:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:46
8:46
8:46
8:47
8:47
8:47
8:47
8:49
 mm
Temp °C
12
13
14
12
13
13
12
12
13
13
13
14
15
14
15
14
14
14
12
15
23
Feels °C
12
12
13
12
11
12
12
11
12
13
10
11
13
12
13
13
13
13
11
12
17
Swell 1
Height (m)
Direction
Period (s)
1.2
NW
8
1.4
NW
9
1.5
NW
9
1.6
NW
10
1.6
NW
10
1.4
NW
10
1.2
NW
10
1.2
NW
10
1.2
NW
10
1.1
NW
10
1.1
NW
10
1.2
SSW
16
1
SSW
16
1.6
NW
9
1.7
NW
9
1.3
NW
9
1.3
NW
9
1.3
NW
9
1.1
NW
8
1.2
NW
9
0.8
SSW
16
Energy kJ
196
311
383
478
488
396
257
262
257
250
245
641
525
384
447
275
281
246
181
215
318
Swell 2
Height (m)
Direction
Period (s)
1.2
SW
19
1.1
SW
18
1.1
SW
18
1.1
SW
18
1.1
SW
16
1
SW
16
1
SW
16
1
SW
15
1.1
SW
15
0.9
SW
14
0.9
SSW
14
0.4
S
12
0.4
SW
20
0.9
SSW
16
0.9
SSW
14
0.9
SSW
14
0.8
SSW
14
0.8
SSW
14
0.7
SW
16
0.7
SSW
16
0.6
SSW
20
Energy kJ
1088
727
790
781
610
508
489
459
503
301
362
42
98
430
325
330
264
223
268
229
298
Swell 3
Height (m)
Direction
Period (s)
0.7
SSW
13
0.8
S
14
0.8
S
14
0.8
S
14
0.7
S
14
0.7
S
13
0.7
S
13
0.6
S
13
0.6
S
12
0.8
SSW
18
0.5
SSW
18
0.2
WNW
10
0.3
S
11
0.4
SSW
20
0.4
SSW
19
0.6
SSW
18
0.6
SSW
18
0.4
SSW
18
0.7
SSW
13
0.6
SSW
13
0.2
SSE
12
Energy kJ
184
261
264
261
178
165
165
116
105
352
176
10
21
149
148
211
209
121
154
116
15
Wind waves
Height (m)
Direction
Period (s)
1.4
NW
10
1.3
NW
10
2.4
NW
9
1.6
NW
8
Energy kJ
365
296
890
346
Nearest Offshore or Glassy
Rating
(10 max)
4
4
4
4
3
3
3
3
3
3
2
2
3
2
4
3
3
3
3
2
2
Distance (km)
0
141
0
0
120
0
0
141
0
0
243
388
3
765
3
0
0
0
0
195
243
Best forecast wave conditions in Humboldt County
Rating
(10 max)
4
4
4
4
3
3
3
3
4
3
3
3
3
Best forecast wave conditions in United States
Rating
(10 max)
4
4
4
4
4
4
3
3
4
4
3
2
3
2
4
4
3
3
3
2
3
Header Global
Rating
(10 max)
5
4
5
9
7
6
6
5
7
9
5
9
7
7
7
5
6
5
5
5
7
  • 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 Third Reef Surf forecast

The above surf forecast table for Third Reef provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Third Reef can be found by selecting the local surf guide option on the grey menu. Our Third Reef 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 (Third Reef) 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 Third Reef 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.

Third Reef is 85 km (53 miles) from Eureka. If you plan a vacation in Humboldt County, look for hotels and other accommodation in Eureka. Eureka has rooms for a wide range of budgets as well as car hire and transport links.

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