Seaside Cove Surf Break

Lat Long: 45.98° N 123.94° W

Seaside Cove Surf Forecast and Surf Report

Issued: 4 am 24 Aug 2026 (local time)

Forecast update in  hr  min

Today's Seaside Cove sea temperature is
14.4°C
1.1° 

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


Seaside Cove surf forecast from 24 Aug 2026:

  • Best quality surf: Wednesday 26 Aug, 8AM (local time) - 1.5ft (0.5m), 16s period, SW swell with cross-offshore winds.
  • Most powerful swell: Tuesday 25 Aug, 8PM (local time) - 2.5ft (0.7m), 16s period, WSW swell with 232 kJ wave energy.
  • Next surfable swell (1★+): Wednesday 26 Aug, 8AM (local time) - 1.5ft (0.5m), 16s period with SW swell.

Best Forecast Surf Conditions for Seaside Cove this week:

The surf forecast for Seaside Cove over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Aug 26) at 8AM. The primary swell is predicted to be 0.5m and 16s period with a secondary swell of 0.5m and 7s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Seaside Cove in the next 16 days are 0.7m 16s and forecast to arrive on Tuesday (Aug 25) at 8PM. Winds are predicted to be cross-shore at the time the swell arrives.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+) 8AM (Wed 26th Aug)1.5ft (0.5m) 16s
Best Surf 8AM (Wed 26th Aug)1.5ft (0.5m) 16s
Most Powerful 8PM (Tue 25th Aug)2.5ft (0.7m) 16s

Table - best surf conditions forecast for Seaside Cove over the next 16 days.


The Lowdown

G’day, Rusty here. Let’s be straight with you – it’s a pretty quiet stretch ahead for Seaside Cove. We’re looking at a long run of small, weak, and choppy conditions before a late spike of energy shows up, but even that comes with its own problems.

Right now, from Monday the 24th of August all the way through to Monday the 31st of August, the surf is basically flat and messy. Swell heights are hanging around 1ft to 2ft, coming from the SW, and the period is mostly long – 14 to 18 seconds – which means these are groundswells, but there’s next to no energy behind them (combined energy readings sit between 114 and 294). The wind is cross or cross-onshore for most of it, chopping everything up. Water temp is 58°F, which is about a degree and a half colder than usual for this time of year – feels a bit nippy. Honestly, there’s nothing worth paddling out for. If you’re desperate, Sunday the 30th of August is hanging onto a “marginal” tag with 2ft and light cross-onshore breezes, but don’t expect much.

Then we get a bit more oomph from the 1st of September. Tuesday the 1st sees a WNW swell push in at 3ft to 4ft with a short 10-second period, and combined energy jumps to 363 to 416 – that’s moderate. But the wind is messy: SSW at 12 mph in the afternoon making it choppy. Wednesday the 2nd of September has the biggest swell of the whole 16 days: 6ft from the SW, but the period drops right off to just 7 seconds – that’s short-period junk. Energy is 710, so it’s got some push, but it’s breaking sloppy. The morning has light cross-shore winds (S at 6 mph) so it’ll be a bit less bumpy, but the wave quality is “marginal”. That’s more of a kite surfing day than a paddle surfing day, honestly. The afternoon turns choppy again. Thursday the 3rd and Friday the 4th of September keep up 4ft to 5ft from the WNW with 9 to 10-second periods, but winds swing onshore or cross-onshore – not clean.

The standout window, if you can call it that, is the morning of Wednesday the 2nd of September. You’ve got 6ft of swell and light cross-shore winds, but that 7-second period means it’s going to be soft and lumpy – fine for a bigger board or a kite, but not the kind of wave you’d tell your mates about. After that, it fades back to tiny, weak SW groundswell from the 5th of September through to the 8th of September, with combined energy dropping below 200 again and wind onshore.

Crowds at Seaside Cove can be an issue – it’s listed as “sometimes” busy – but with this run of tiny, poor-quality surf, there won’t be many folks out. Honestly, if you’re after a proper wave, this isn’t your window.

Rusty.

Short Range Forecast

Some drizzle, heaviest during Wed night. Warm (max 21°C on Mon afternoon, min 13°C on Tue night). Wind will be generally light.

Days 4-6 Weather Summary

Light rain (total 4mm), mostly falling on Fri night. Very mild (max 17°C on Thu afternoon, min 13°C on Sat night). Wind will be generally light.

Monday
24
Tuesday
25
Wednesday
26
Thursday
27
Friday
28
Saturday
29
Sunday
30
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
1
0
0
1
0
0
2
0
0
2
0
0
2
0
0
1
1
1
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.4
SW
18
0.5
SW
18
0.6
WSW
18
0.5
SW
17
0.5
SW
17
0.5
SW
16
0.5
SW
16
0.5
SW
16
0.5
SW
16
0.5
SW
15
0.8
WSW
11
0.9
W
9
0.4
SW
14
0.5
SW
14
0.5
SW
16
0.4
SW
16
0.4
SW
18
1.2
WNW
7
0.6
SW
16
0.6
SW
16
0.6
SW
16
Wave Graph
Metric surfscale
Energy kJ
81
155
204
145
137
130
125
124
122
116
161
142
74
99
130
96
78
147
153
159
159
Wind (km/h)
15
N
15
NNW
5
S
20
SSW
20
SSW
10
S
15
SSW
20
SW
10
SSE
15
SSW
10
WSW
5
SSE
10
SW
10
WNW
5
W
5
W
15
NW
5
S
10
SW
10
NW
5
NE
Wind State
cross
cross
cross
cross
cross-on
cross
cross-on
cross-on
cross-off
cross
cross-on
cross-off
cross-on
on
glassy
on
cross-on
cross
cross-on
cross-on
glassy
High Tide
12:00PM1.26m
10:35PM1.61m
12:27PM1.33m
11:20PM1.66m
12:53PM1.39m
00:00AM1.69m
1:18PM1.46m
00:40AM1.69m
1:42PM1.54m
1:21AM1.66m
2:08PM1.62m
2:03AM1.61m
2:35PM1.68m
2:49AM1.52m
Low Tide
6:06PM0.39m
7:06AM-0.00m
6:49PM0.34m
7:39AM-0.02m
7:28PM0.30m
8:09AM-0.03m
8:07PM0.24m
8:38AM-0.02m
8:45PM0.20m
9:07AM0.01m
9:25PM0.15m
9:37AM0.06m
10:07PM0.10m
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
light rain
clear
clear
clear
part cloud
clear
light rain
rain showers
clear
part cloud
part cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:26
6:26
6:28
6:28
6:31
6:31
6:33
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:08
8:07
8:05
8:02
8:01
8:00
7:58
 mm
1
2
2
Temp °C
20
21
17
17
17
14
17
18
15
16
17
15
16
16
15
15
16
15
16
16
15
Feels °C
18
18
17
14
14
12
15
15
14
14
15
15
15
14
15
14
14
14
15
15
14
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
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Information about the Seaside Cove Surf forecast

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

Seaside Cove is 24 km (15 miles) from Astoria. If you plan a vacation in North Oregon, look for hotels and other accommodation in Astoria. Astoria has rooms for a wide range of budgets as well as car hire and transport links.

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