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Surf Forecasts:
Harbour surfForecast / Donegal / Ireland
16 Day Weather and Surf, issued 12 am Friday 17 Apr 2026 ISTForecast update in hr min s Forecast update imminent
Harbour surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Harbour sea temperature is
8.7° C
(Which is slightly cooler than normal)Best Forecast Surf Conditions for Harbour this week:
The surf forecast for Harbour over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Apr 19) at 4AM. The primary swell is predicted to be 0.9m and 9s period with a secondary swell of 0.7m and 8s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Harbour in the next 16 days are 1.5m 15s and forecast to arrive on Monday (Apr 20) at 7PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 4s period and expected on Friday (Apr 17) at 10AM.
| Wave Type | Time (IST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 4AM (Sun 19th Apr) | 3ft (0.9m) 9s |
| Best Surf | 10AM (Mon 20th Apr) | 4.5ft (1.3m) 14s |
| Most Powerful | 7PM (Mon 20th Apr) | 5ft (1.5m) 15s |
Table - best surf conditions forecast for Harbour over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range Forecast Light rain (total 9mm), mostly falling on Thu night. Very mild (max 12°C on Fri afternoon, min 6°C on Sat night). Winds decreasing (fresh winds from the SSW on Fri morning, calm by Sun morning). | Days 3-6 Weather Summary Mostly dry. Very mild (max 13°C on Wed afternoon, min 4°C on Tue night). Wind will be generally light. | |||||||||||||||||||||
Friday 17 | Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | Thu 23 | ||||||||||||||||
| Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | ||
Rating (10 max) | ||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  | ||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||
| Period(s) (?) | 12 | 12 | 12 | 10 | 9 | 10 | 9 | 8 | 8 | 12 | 14 | 13 | 14 | 13 | 13 | 12 | 11 | 10 | 10 | 9 | 8 | |
Wave (?)Graph  | ||||||||||||||||||||||
 kJ (?) | 350 | 213 | 705 | 369 | 388 | 502 | 130 | 50 | 111 | 254 | 703 | 503 | 769 | 539 | 421 | 240 | 123 | 82 | 46 | 26 | 22 | |
Wind (km/h) | ||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross | cross- on | cross- on | cross- on | cross | glass | on | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | |
High Tide / height (m) | 6:12AM 3.69 | 6:40PM 3.51 | 6:52AM 3.74 | 7:18PM 3.61 | 7:35AM 3.68 | 7:59PM 3.62 | 8:19AM 3.50 | 8:42PM 3.53 | 9:08AM 3.22 | 9:31PM 3.37 | 10:03AM 2.89 | 10:29PM 3.16 | 11:10AM 2.57 | |||||||||
Low Tide / height (m) | 11:58PM 0.18 | 12:25PM -0.16 | 12:37AM 0.03 | 1:01PM -0.18 | 1:18AM -0.03 | 1:39PM -0.09 | 2:01AM 0.02 | 2:20PM 0.11 | 2:48AM 0.18 | 3:03PM 0.37 | 3:42AM 0.42 | 3:53PM 0.66 | 4:48AM 0.69 | 4:54PM 0.93 | ||||||||
Friday 17 | Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | Thu 23 | ||||||||||||||||
| Sunrise | - | 6:26 | - | - | 6:24 | - | - | 6:22 | - | - | 6:20 | - | - | 6:18 | - | - | 6:16 | - | - | 6:13 | - | |
| Sunset | - | - | 8:38 | - | - | 8:40 | - | - | 8:42 | - | - | 8:44 | - | - | 8:45 | - | - | 8:47 | - | - | 8:50 | |
 |  | |  | |  |  |  | |  | | | | | | | | | | | | ||
Rain (mm) | 3 | 1 | 2 | 2 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| Temp. °C | 11 | 11 | 12 | 9 | 9 | 9 | 8 | 9 | 11 | 9 | 12 | 11 | 8 | 11 | 12 | 10 | 11 | 13 | 8 | 13 | 14 | |
| Feels °C (?) | 5 | 4 | 5 | 4 | 3 | 4 | 5 | 7 | 8 | 5 | 9 | 6 | 4 | 4 | 5 | 6 | 6 | 7 | 4 | 6 | 7 | |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Harbour surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Information about the Harbour Surf forecast
The above surf forecast table for Harbour provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Harbour can be found by selecting the local surf guide option on the grey menu. Our 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 (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 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.
Harbour is 20 km (12 miles) from Killybegs. If you plan a holiday in Donegal, look for hotels and other accommodation in Killybegs. Killybegs has rooms for a wide range of budgets as well as car hire and transport links.
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