The Dump surfForecast / Washington / USA

information circle12 Day Weather and Surf, issued 9 pm Wednesday 03 Dec 2025 PST
Forecast update in hr  min  s Forecast update imminent
The Dump surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's The Dump sea temperature is
10.4° C
(Which is slightly warmer than usual)


Best Forecast Surf Conditions for The Dump this week:

The surf forecast for The Dump over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Dec 04) at 7AM. The primary swell is predicted to be 1.3m and 12s period with a secondary swell of 0.1m and 15s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at The Dump in the next 12 days are 4.5m 12s and forecast to arrive on Saturday (Dec 06) at 4AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 5s period and expected on Sunday (Dec 07) at 10AM.

Wave TypeTime (PST) & Date Wave Height & Period
Next good surf (1 star+) 7AM (Thu 4th Dec)4.5ft (1.3m) 12s
Best Surf10PM (Wed 10th Dec)6ft (1.9m) 13s
Most Powerful 4AM (Sat 6th Dec)15ft (4.5m) 12s

Table - best surf conditions forecast for The Dump over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Heavy rain (total 34mm), heaviest during Fri morning. Very mild (max 11°C on Fri morning, min 7°C on Wed night). Winds increasing (light winds from the SE on Thu morning, strong winds from the WSW by Fri afternoon).

Days 3-6 Weather Summary Heavy rain (total 82mm), heaviest during Mon afternoon. Very mild (max 11°C on Sun morning, min 7°C on Tue afternoon). Winds increasing (light winds from the SSE on Sun morning, strong winds from the W by Mon afternoon).

Thursday
04
Friday
05
Saturday
06
Sunday
07
Monday
08
Tuesday
09
Wed
10
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
2
2
2
2
0
0
0
2
2
1
2
0
1
1
1
0
0
0
0
0
1
Swell
Height Map
Wave Height (m) & direction (?)
1.2
W
1.4
W
1.6
WSW
1.6
W
1.7
WSW
2.5
WSW
4.5
W
3.5
W
2.5
W
1.9
W
1.4
W
1.9
W
2
W
2
W
3
SW
3.5
WSW
2.5
W
3.5
W
3
W
2.3
W
2
W
Period(s) (?)1212131211711121110101010118111213131313
Wave
Graph
(?)Metric surfscale
Energy kJ (?)4445758747237246115415352816737593776838409531113308517764084293118491367
Wind
(km/h)
15
SSE
10
SE
10
ESE
15
ESE
15
SW
35
WSW
35
W
25
WSW
15
WSW
20
S
10
SSE
30
W
20
SW
30
SSE
30
S
35
WSW
35
WSW
25
W
40
WNW
25
W
20
WSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
offoffoffcrosscross-
on
cross-
on
crosscrosscross-
off
offcross-
on
cross-
off
offcross-
off
cross-
on
cross-
on
cross-
on
oncross-
on
cross
High Tide
/ height (m)
12:19AM
2.09
11:04AM
3.19
1:12AM
2.15
11:50AM
3.22
2:04AM
2.17
12:38PM
3.17
2:56AM
2.17
1:27PM
3.03
3:49AM
2.17
2:18PM
2.81
4:42AM
2.19
3:13PM
2.53
5:35AM
2.22
4:15PM
2.21
Low Tide
/ height (m)
4:55AM
1.26
6:37PM
-0.72
5:45AM
1.33
7:25PM
-0.79
6:37AM
1.37
8:13PM
-0.74
7:31AM
1.40
9:01PM
-0.59
8:31AM
1.42
9:49PM
-0.37
9:40AM
1.43
10:37PM
-0.10
11:02AM
1.38
Thursday
04
Friday
05
Saturday
06
Sunday
07
Monday
08
Tuesday
09
Wed
10
Sunrise-7:52--7:52--7:54--7:54--7:56--7:56--7:58-
Sunset--4:24--4:23--4:23--4:23--4:23--4:22--4:22
mod rain
light rain
light rain
light rain
mod rain
light rain
rain showers
light rain
light rain
mod rain
light rain
rain showers
light rain
mod rain
heavy rain
mod rain
mod rain
heavy rain
rain showers
light rain
rain showers
Rain (mm)
641463532841310307811522
Temp. °C8889111010101010111099111188888
Feels °C (?)555643157674525402022
  • 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 The Dump Surf forecast

The above surf forecast table for The Dump provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at The Dump can be found by selecting the local surf guide option on the grey menu. Our The Dump 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 Dump) 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 Dump 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.

The Dump is 83 km (52 miles) from Duncan. If you plan a vacation in Washington State, look for hotels and other accommodation in Duncan. Duncan has rooms for a wide range of budgets as well as car hire and transport links.

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