Seaside Cove Surf Break

Lat Long: 45.98° N 123.94° W

Seaside Cove Surf Forecast and Surf Report

Issued: 4 pm 18 Jul 2026 (local time)

Forecast update in  hr  min

Today's Seaside Cove sea temperature is
13.9° C
1.2° 

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 19 Jul 2026:

  • Best quality surf: Monday 20 Jul, 5AM (local time) - 4.5ft (1.3m), 8s period, WNW swell with cross-offshore winds.
  • Most powerful swell: Saturday 25 Jul, 8PM (local time) - 3ft (0.9m), 21s period, SW swell with 664 kJ wave energy.
  • Next surfable swell (1★+): Monday 20 Jul, 2AM (local time) - 4.5ft (1.3m), 8s period with WNW 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 Monday (Jul 20) at 2AM. The primary swell is predicted to be 1.3m and 8s period with a secondary swell of 0.5m and 17s. 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 0.9m 21s and forecast to arrive on Saturday (Jul 25) at 8PM. 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 14s period and expected on Friday (Jul 24) at 2PM.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Mon 20th Jul)4.5ft (1.3m) 8s
Best Surf 5AM (Mon 20th Jul)4.5ft (1.3m) 8s
Most Powerful 8PM (Sat 25th Jul)3ft (0.9m) 21s

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


The Lowdown

Righto, Rusty here. Let's have a look at what's cookin' at Seaside Cove.

Alright, so the word on the street is that we're in for a pretty flat spell for a while. The first bit of swell that's worth paddling out for isn't showing up until the morning of the 20th, and even then, it's a pretty marginal affair. The water's sittin' at a cool 57°, which is a bit colder than we'd normally expect this time of year, so you'll want that wetsuit zipped up tight.

Let's run through the timeline. The first day we can even consider a wave is Monday the 20th. We've got a small 4ft swell coming from the WNW, but the wind is a light cross-onshore, leaving that ocean surface a bit bumpy. The wave energy is moderate (410), but the conditions are just borderline. The surf is small, a bit messy, and the tide could be a factor. That pretty much sums up Monday and Tuesday the 21st as well, with the swell dropping to 2ft but with a very long 16-second period from the SW. That period is nice for a point break, but here it's just not enough height to make anything of it.

There's a bit of a false dawn on Wednesday the 22nd morning with a 3ft WNW swell and a light onshore wind, but it's still marginal. The rest of that week and into the next is a write-off. The wind is mostly cross or cross-onshore, and the surf quality is just poor. We're looking at a long stretch of ankle-biters.

Then, as we get into the weekend of the 25th and 26th, things start to get a little more interesting, but it's still not a winner. The swell is still small, around 3ft to 3ft, but the combined energy is lifting into the 500s and 600s (moderate energy), which hints at some push. The wind is light, but still cross-onshore. It's a step up from the previous week, but it's still a "maybe" session.

The best of the bunch, if you can call it that, looks like the morning of Tuesday the 28th. We've got a 3ft swell from the SW with a 19-second period, and the combined energy is the highest we've seen, hitting 781 (moderate energy). The wind is a gentle cross-shore, which is the best we've had all outlook. It's still small, but that long-period groundswell could offer a few clean lines if you're on a longboard and pick your banks. The wind is light, so it won't be too choppy, but don't expect any barrels.

The rest of the month and into August is a slow fade. The swell drops back down, and the energy goes with it. Nothing really stands out as a quality session.

So, the honest truth is, the best on offer is probably that Tuesday morning, 28th July, at Seaside Cove. It's the most energy we've got with the best wind. The swell is small, but it's clean. Don't expect a classic. For the majority of this 16-day window, you're better off tuning up your gear or going for a paddle. The setup is just too small and messy for a real surf.

Rusty.

Short Range Forecast

Mostly dry. Very mild (max 18°C on Mon morning, min 12°C on Sat night). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Very mild (max 18°C on Tue afternoon, min 12°C on Thu night). Wind will be generally light.

Sat
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
1
0
0
2
1
1
2
1
1
2
1
0
0
0
0
1
0
0
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1
WNW
10
0.6
SW
18
1
WNW
8
1.2
WNW
8
1.3
WNW
8
1.3
WNW
8
1.3
WNW
8
1
WNW
8
0.6
SW
16
0.6
SW
16
1
WNW
9
0.9
WNW
8
0.9
WNW
9
1.1
WNW
9
1.1
WNW
9
1.1
WNW
9
1.2
WNW
9
0.4
SW
26
0.4
SW
25
0.6
SW
24
Wave Graph
Metric surfscale
Energy kJ
174
255
110
170
226
207
212
140
159
157
168
120
132
194
181
181
211
178
156
444
Wind (km/h)
20
NNW
15
N
15
NNW
15
NNW
10
N
10
NNW
10
NNW
5
N
10
NW
5
NNW
0
N
10
WSW
10
WSW
10
SSW
15
WSW
10
W
5
NNW
10
NW
15
NNW
10
N
Wind State
cross
cross
cross
cross
cross-off
cross-on
cross-on
glassy
cross-on
cross-on
glassy
on
on
cross-on
cross-on
on
cross
cross-on
cross-on
cross
High Tide
4:41PM1.63m
4:25AM1.45m
5:22PM1.65m
5:29AM1.26m
6:03PM1.64m
6:45AM1.12m
6:47PM1.63m
8:15AM1.04m
7:34PM1.61m
9:49AM1.06m
8:24PM1.60m
11:05AM1.12m
9:17PM1.61m
Low Tide
00:00AM0.19m
12:04PM0.05m
1:03AM0.17m
12:44PM0.15m
2:10AM0.15m
1:27PM0.24m
3:18AM0.12m
2:16PM0.33m
4:25AM0.09m
3:16PM0.39m
5:24AM0.06m
4:25PM0.42m
clear
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clear
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clear
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<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:43
5:43
5:45
5:46
5:47
5:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:00
9:00
8:59
8:58
8:57
8:55
8:54
 mm
Temp °C
16
14
15
15
14
18
18
16
18
18
17
18
18
16
16
16
14
15
16
14
Feels °C
14
12
13
12
12
17
17
16
18
18
17
17
17
16
14
14
13
13
14
13
  • Map Icons:
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  • 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 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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