Surf Forecasts:
The Harbour surf forecast from 18 Aug 2026:
- Most powerful swell: Monday 24 Aug, 10PM (local time) - 1.5ft (0.5m), 7s period, NE swell with 25 kJ wave energy.
Best Forecast Surf Conditions for The Harbour this week:
The most powerful waves expected at The Harbour in the next 16 days are 0.5m 7s and forecast to arrive on Monday (Aug 24) at 10PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.0m 8s period and expected on Thursday (Aug 20) at 7PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 10PM (Mon 24th Aug) | 1.5ft (0.5m) 7s |
Table - best surf conditions forecast for The Harbour over the next 16 days.
The Lowdown
Alright, listen up. It’s flat as a tack out there and we’re in for a proper drought. The Harbour is going to be a pond for the next week and a half, so don’t get your hopes up for any mid-week sessions.
Monday the 17th is a total loss, with a tiny 0.3ft NE wind-slop and cross-shore breeze making it a mess. Tuesday and Wednesday don’t offer much either, just some knee-high dribble with clean conditions. You might find a glassy little ankle-snapper on Wednesday morning if you’re truly jonesing, but it’ll be a frustrating one.
Then we hit a big dead zone. From the 20th through the 25th, there’s zero swell. Just wind and nothing else. The water temp is about normal for the time of year at 57°F, so it’s not a shock to the system, but it’s still cold.
Okay, here’s the light at the end of the tunnel. On Wednesday the 26th, we get a small pulse of SSE swell, only 4ft, with a short 6-second period. The energy is weak, reading 85, and it’s surfable but not going to get the heart rate up. The following Friday the 28th is similar, and then by Saturday the 29th we see a slight improvement. The SSE swell holds at 3ft, but the winds are lighter and the energy reading is 75. It’s still pretty ordinary, but at least you’ll get a wave.
But the one you’re waiting for, the true standout, is on Monday the 1st of September. This is over a week out, so don’t book the day off just yet, but this has the makings of something special. The forecast shows a 7ft SSW groundswell, again with a 7-second period, but with a moderate offshore WSW wind at 12 mph. The combined energy jumps way up to 353. This is the real deal.
The Harbour (The-Harbour) is an intermediate spot, and with 7ft of swell, it’s definitely pushing into expert territory. The beginners should be watching from the sand. That offshore wind is crucial—it’s going to groom the waves and give you those clean, grinding walls off the groyne. The swell direction is SSE, which is a good match for the spot’s preferred SE direction. Plan your Monday morning around this one; the winds will be strongest and the waves will be at their peak. It’s going to be worth the wait.
So keep the boards in the car, keep the wax fresh. We’ve got a lot of flat water to stare at, but there’s a genuine bomb waiting for us at the start of next month.
Rusty.
Short Range ForecastModerate rain (total 15mm), heaviest on Mon night. Very mild (max 17°C on Tue morning, min 11°C on Wed night). Winds increasing (calm on Tue night, fresh winds from the N by Thu morning). | Days 5-7 Weather SummaryMostly dry. Very mild (max 16°C on Sat afternoon, min 10°C on Fri night). Winds decreasing (fresh winds from the N on Thu afternoon, light winds from the NNW by Sun morning). | |||||||||||||||||||
Mon 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | ||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | NE 4 | NE 4 | SSE 4 | E 4 | E 4 | SSW 4 | NE 7 | NNE 4 | NNE 8 | NNE 8 | NNE 9 | NW 3 | NNE 9 | NNE 9 | NNE 9 | NNE 8 | NW 3 | NW 2 | NNE 8 | NNE 8 |
Wave Graph  | ||||||||||||||||||||
 kJ | 1 | 1 | 12 | 9 | 4 | 2 | 0 | 12 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross-off | cross-off | glassy | glassy | on | cross | cross-on | cross-on | cross | cross | cross | cross-off | cross-off | cross | cross-off | cross | cross-off | cross-off |
High Tide | 5:27PM3.88m | 5:35AM4.07m | 6:06PM3.68m | 6:20AM3.79m | 6:50PM3.49m | 7:13AM3.52m | 7:45PM3.33m | 8:24AM3.29m | 8:58PM3.24m | 9:50AM3.20m | 10:16PM3.28m | 11:08AM3.27m | 11:23PM3.43m | |||||||
Low Tide | 11:13PM1.11m | 11:47AM0.99m | 11:53PM1.34m | 12:28PM1.33m | 00:39AM1.59m | 1:17PM1.64m | 1:41AM1.81m | 2:22PM1.90m | 3:08AM1.94m | 3:46PM2.01m | 4:50AM1.86m | 5:09PM1.96m | ||||||||
 |  |  |  |  | | |  | |  | | | | | | |  | | | | |
 | — | — | 5:39 | — | — | 5:41 | — | — | 5:43 | — | — | 5:46 | — | — | 5:48 | — | — | 5:50 | — | — |
 | 8:45 | — | — | 8:43 | — | — | 8:39 | — | — | 8:37 | — | — | 8:35 | — | — | 8:32 | — | — | 8:30 | — |
mm | — | 9 | 1 | 1 | 1 | 1 | 1 | — | 1 | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 14 | 17 | 16 | 14 | 14 | 13 | 12 | 13 | 13 | 11 | 13 | 13 | 12 | 15 | 16 | 13 | 15 | 15 | 14 |
Feels °C | 10 | 13 | 16 | 15 | 13 | 13 | 9 | 8 | 6 | 6 | 5 | 6 | 7 | 7 | 10 | 11 | 10 | 13 | 13 | 12 |
Swell 1 Height (m) Direction Period (s) | NE 4 | NE 4 | SSE 4 | ESE 4 | NNE 8 | NNE 7 | NE 7 | NNE 8 | — | — | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 8 | NNE 8 | NNE 8 | NNE 8 | NNE 8 |
| kJ | 1 | 1 | 12 | 7 | 24 | 37 | 56 | 52 | — | — | 364 | 280 | 293 | 257 | 262 | 169 | 122 | 91 | 74 | 74 |
Swell 2 Height (m) Direction Period (s) | N 8 | N 8 | N 7 | NNE 8 | E 4 | SSW 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 1 | 1 | 1 | 7 | 3 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | NE 4 | SW 4 | SSW 4 | E 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 1 | 1 | 4 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | SSE 4 | — | E 4 | — | — | — | NNE 4 | NNE 8 | NNE 8 | NNE 9 | NW 3 | NNE 9 | NNE 9 | NW 3 | — | NW 3 | NW 2 | — | — |
| kJ | — | 11 | — | 9 | — | — | — | 12 | 223 | 323 | 603 | 3 | 513 | 436 | 2 | — | 1 | 1 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 182 | 201 | 188 | 192 | 179 | 227 | 207 | 306 | 316 | 638 | 61 | 240 | 100 | 52 | 52 | 52 | 130 | 130 | 225 | 58 |
Best forecast wave conditions in Scotland - East Coast | ||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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Information about the The Harbour Surf forecast
The above surf forecast table for The Harbour provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at The Harbour can be found by selecting the local surf guide option on the grey menu. Our The Harbour 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 Harbour) 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 Harbour 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.
Are you planning a holiday in Scotland - East Coast? If you are looking for accommodation near The Harbour, camping, hotels and holiday cottages in Scotland - East Coast, consider staying in Aberdeen which is 3 km (2 miles) away. Other places in and around Scotland - East Coast where you can find information about places to rent, and car hire include Charlestown which is 6 km (4 miles) away, Peterhead, Montrose and Fraserburgh.
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