Surf Forecasts:
Grindavik Antenas surf forecast from 22 Aug 2026:
- Best quality surf: Monday 24 Aug, 12AM (local time) - 5.5ft (1.7m), 9s period, SSW swell with cross-offshore winds.
- Most powerful swell: Sunday 23 Aug, 6AM (local time) - 11ft (3.5m), 10s period, SW swell with 2,363 kJ wave energy.
- Next surfable swell (1★+): Monday 24 Aug, 12AM (local time) - 5.5ft (1.7m), 9s period with SSW swell.
Best Forecast Surf Conditions for Grindavik Antenas this week:
The surf forecast for Grindavik Antenas over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Aug 24) at 12AM. The primary swell is predicted to be 1.7m and 9s period with a secondary swell of 1.2m and 9s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Grindavik Antenas in the next 16 days are 3.5m 10s and forecast to arrive on Sunday (Aug 23) at 6AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.8m 10s period and expected on Tuesday (Aug 25) at 12AM.
| Wave Type | Time (GMT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12AM (Mon 24th Aug) | 5.5ft (1.7m) 9s |
| Best Surf | 12AM (Mon 24th Aug) | 5.5ft (1.7m) 9s |
| Most Powerful | 6AM (Sun 23rd Aug) | 11ft (3.5m) 10s |
Table - best surf conditions forecast for Grindavik Antenas over the next 16 days.
Short Range ForecastHeavy rain (total 35mm), heaviest during Mon afternoon. Very mild (max 12°C on Sat afternoon, min 10°C on Sun morning). Winds decreasing (near gales from the S on Sat afternoon, light winds from the S by Sun afternoon). | Days 5-7 Weather SummaryLight rain (total 9mm), mostly falling on Wed morning. Very mild (max 12°C on Tue afternoon, min 10°C on Wed morning). Wind will be generally light. | |||||||||||||||||||
Sat 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | Friday 28 | ||||||||||||||
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) | SW 10 | SW 10 | SW 10 | SW 10 | SSW 9 | SSW 9 | S 9 | WNW 10 | S 9 | S 9 | SSW 10 | S 8 | S 10 | S 12 | SE 6 | SSW 11 | S 12 | S 12 | S 8 | S 12 |
Wave Graph  | ||||||||||||||||||||
 kJ | 2061 | 2126 | 2167 | 1695 | 487 | 337 | 258 | 102 | 383 | 262 | 59 | 74 | 50 | 45 | 52 | 12 | 12 | 11 | 5 | 11 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross | on | on | cross | cross-off | cross-on | on | on | cross-on | off | off | off | off |
High Tide | 2:36AM2.01m | 3:23PM2.37m | 3:51AM2.17m | 4:18PM2.57m | 4:38AM2.37m | 4:59PM2.78m | 5:15AM2.58m | 5:32PM2.97m | 5:47AM2.77m | 6:03PM3.12m | 6:18AM2.93m | 6:33PM3.23m | ||||||||
Low Tide | 8:37PM1.29m | 8:45AM1.18m | 9:52PM1.12m | 9:52AM0.99m | 10:38PM0.91m | 10:38AM0.76m | 11:14PM0.68m | 11:15AM0.54m | 11:45PM0.46m | 11:48AM0.34m | 00:15AM0.27m | 12:20PM0.18m | 00:44AM0.13m | |||||||
 |  |  |  |  | |  |  | | |  |  | |  | |  | | | |  | |
 | — | — | 5:45 | — | — | 5:48 | — | — | 5:50 | — | — | 5:54 | — | — | 5:56 | — | — | 5:58 | — | — |
 | — | 9:21 | — | — | 9:16 | — | — | 9:14 | — | — | 9:09 | — | — | 9:07 | — | — | 9:02 | — | — | 9:00 |
mm | 5 | 1 | — | — | — | 5 | 16 | 8 | — | — | 1 | 6 | 2 | — | — | — | — | — | — | — |
Temp °C | 12 | 12 | 11 | 11 | 11 | 11 | 10 | 10 | 11 | 12 | 12 | 11 | 12 | 11 | 11 | 11 | 11 | 12 | 12 | 12 |
Feels °C | 3 | 4 | 5 | 7 | 9 | 6 | 1 | 4 | 6 | 7 | 8 | 7 | 8 | 7 | 9 | 9 | 10 | 10 | 9 | 9 |
Swell 1 Height (m) Direction Period (s) | S 16 | SSW 13 | SSW 13 | SW 10 | SSW 9 | SSW 9 | S 9 | SSE 10 | S 9 | S 9 | SSE 8 | S 8 | S 10 | S 12 | S 11 | SSE 7 | SSE 6 | SE 6 | SE 7 | ESE 6 |
| kJ | 131 | 170 | 996 | 1695 | 487 | 337 | 258 | 579 | 383 | 262 | 140 | 74 | 50 | 45 | 23 | 44 | 26 | 9 | 7 | 3 |
Swell 2 Height (m) Direction Period (s) | — | S 17 | S 16 | S 13 | WSW 9 | S 11 | WSW 9 | WNW 10 | S 7 | W 10 | SSW 10 | S 10 | WNW 9 | NW 6 | W 7 | SSW 11 | S 12 | SSE 7 | ESE 6 | S 12 |
| kJ | — | 51 | 78 | 173 | 218 | 93 | 58 | 102 | 45 | 52 | 59 | 55 | 26 | 2 | 1 | 12 | 12 | 5 | 4 | 11 |
Swell 3 Height (m) Direction Period (s) | — | — | S 18 | NW 11 | WSW 10 | WSW 9 | SE 10 | WSW 9 | W 9 | SW 11 | W 9 | WSW 10 | WNW 7 | W 7 | W 6 | W 6 | SW 7 | S 12 | S 8 | SE 8 |
| kJ | — | — | 25 | 5 | 54 | 44 | 45 | 47 | 42 | 33 | 24 | 18 | 5 | 1 | 1 | 1 | 2 | 11 | 5 | 2 |
Wind waves Height (m) Direction Period (s) | SW 10 | SW 10 | SW 10 | — | — | NE 3 | NNE 5 | WSW 4 | SE 8 | SE 6 | — | ENE 5 | SE 7 | SE 7 | SE 6 | S 6 | — | — | — | NW 4 |
| kJ | 2061 | 2126 | 2167 | — | — | 4 | 83 | 35 | 95 | 72 | — | 9 | 79 | 97 | 52 | 22 | — | — | — | 2 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 1170 | 1109 | 1109 | 54 | 0 | 34 | 1040 | 349 | 832 | 30 | 3 | 9 | 3 | 1034 | 785 | 1036 | 1042 | 1258 | 1262 | 1036 |
Best forecast wave conditions in Reykjanes Peninsula | ||||||||||||||||||||
Best forecast wave conditions in Iceland | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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Information about the Grindavik Antenas Surf forecast
The above surf forecast table for Grindavik Antenas provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Grindavik Antenas can be found by selecting the local surf guide option on the grey menu. Our Grindavik Antenas 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 (Grindavik Antenas) 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 Grindavik Antenas 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.
Grindavik Antenas is 2 km (1 miles) from Grindavik. If you plan a holiday in Reykjanes Peninsula, look for hotels and other accommodation in Grindavik. Grindavik has rooms for a wide range of budgets as well as car hire and transport links.
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