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Surf Forecasts:
The Dump surfForecast / Washington / USA
48hr Weather and Surf, issued 4 am Monday 18 May 2026 PDTForecast 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
10.3° C
(Which is 1.4°C colder than average for this time of year)How big are the waves at The Dump today?
The current surf forecast for The Dump at 12PM is: 1.3m 12s primary swell from a West direction and 0.8m 16s secondary swell from a West direction (forecast issued at 04:00am May 18). The wind direction is predicted to be cross-onshore.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 2ft (0.6m) | 17s |
| Afternoon (18 May) | 5ft (1.6m) | 16s |
| Evening (18 May) | 6ft (1.8m) | 14s |
Table - waves today at The Dump. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 12°C on Wed morning, min 9°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Monday 18 | Tuesday 19 | Wednesday 20 | ||||||||||||||||||||||
2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
W 10 | W 10 | W 17 | W 12 | W 16 | W 15 | W 14 | W 14 | W 14 | W 13 | W 13 | W 13 | W 13 | W 13 | W 13 | W 12 | W 8 | W 8 | W 12 | W 12 | WNW 11 | W 11 | WNW 11 | W 11 | |
125 | 122 | 147 | 488 | 1258 | 1262 | 1179 | 1297 | 1279 | 1155 | 986 | 862 | 848 | 835 | 724 | 746 | 289 | 264 | 279 | 270 | 205 | 191 | 198 | 231 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | glassy | glassy | glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-off | off | off | glassy | on | on | cross-on | cross-on | |
High Tide | 1:32AM2.91m | 3:39PM1.94m | 2:19AM2.86m | 4:35PM1.90m | 3:10AM2.72m | 5:34PM1.87m | ||||||||||||||||||
Low Tide | 9:03AM-0.91m | 8:19PM1.08m | 9:54AM-0.85m | 9:11PM1.14m | 10:46AM-0.71m | 10:14PM1.19m | ||||||||||||||||||
 | |  | | | | |  | | |  | | | | |  | | |  | | | | | | |
 | — | 5:35 | — | — | — | — | — | — | — | 5:33 | — | — | — | — | — | — | — | 5:31 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:54 | — | — | — | — | — | — | — | 8:57 | — | — | — | — | — | — | — | 8:58 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 10 | 9 | 10 | 10 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 10 | 10 | 10 | 9 | 10 | 12 | 12 | 12 | 11 | 10 |
5 | 5 | 7 | 7 | 8 | 7 | 9 | 8 | 9 | 9 | 9 | 10 | 7 | 8 | 8 | 8 | 8 | 7 | 8 | 11 | 10 | 8 | 8 | 8 | |
Swell 1 Height (m) Direction Period (s) | W 10 | W 10 | W 10 | W 12 | W 16 | W 15 | W 14 | W 14 | W 14 | W 13 | W 13 | W 13 | W 13 | W 13 | W 13 | W 12 | W 8 | W 8 | W 8 | W 8 | W 8 | W 11 | WNW 11 | W 11 |
 kJ | 125 | 122 | 94 | 488 | 1258 | 1262 | 1179 | 1297 | 1279 | 1155 | 986 | 862 | 848 | 835 | 724 | 746 | 270 | 264 | 213 | 138 | 120 | 191 | 198 | 231 |
Swell 2 Height (m) Direction Period (s) | SW 14 | SW 14 | W 17 | W 16 | SW 14 | SW 14 | SW 14 | SW 13 | SSW 13 | SSW 13 | SSW 13 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 | W 12 | W 12 | W 12 | W 12 | WNW 11 | W 7 | W 7 | WNW 7 |
| kJ | 52 | 53 | 147 | 325 | 51 | 48 | 46 | 46 | 17 | 17 | 17 | 72 | 101 | 96 | 93 | 94 | 289 | 224 | 279 | 270 | 205 | 86 | 68 | 82 |
Swell 3 Height (m) Direction Period (s) | W 19 | W 18 | W 13 | SW 14 | SSW 18 | SSW 18 | W 26 | SW 26 | SW 26 | SW 26 | SW 17 | SSW 13 | SSW 13 | SW 24 | SW 24 | SW 24 | SW 16 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 |
| kJ | 29 | 57 | 51 | 51 | 32 | 32 | 13 | 26 | 26 | 26 | 43 | 17 | 17 | 22 | 87 | 87 | 95 | 97 | 97 | 94 | 93 | 91 | 90 | 89 |
Wind waves Height (m) Direction Period (s) | W 6 | W 6 | W 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 86 | 74 | 58 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 408 | 16 | 47 | 803 | 1289 | 212 | 111 | 4 | 0 | 0 | 0 | 4 | 107 | 1289 | 47 | 47 | 0 | 0 | 0 | 0 | 16 | 86 | 70 | 16 |
Best forecast wave conditions in Washington State | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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