Surf Forecasts:
Grindavik Antenas surf forecast from 11 Aug 2026:
- Best quality surf: Wednesday 12 Aug, 3PM (local time) - 5.5ft (1.7m), 10s period, S swell with cross-offshore winds.
- Most powerful swell: Wednesday 19 Aug, 12AM (local time) - 8ft (2.5m), 11s period, WSW swell with 1,555 kJ wave energy.
- Next surfable swell (1★+): Wednesday 12 Aug, 3PM (local time) - 5.5ft (1.7m), 10s period with S 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 Wednesday (Aug 12) at 3PM. The primary swell is predicted to be 1.7m and 10s period with a secondary swell of 0.1m and 15s. 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 2.5m 11s and forecast to arrive on Wednesday (Aug 19) at 12AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.0m 8s period and expected on Monday (Aug 17) at 6PM.
| Wave Type | Time (GMT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3PM (Wed 12th Aug) | 5.5ft (1.7m) 10s |
| Best Surf | 3PM (Wed 12th Aug) | 5.5ft (1.7m) 10s |
| Most Powerful | 12AM (Wed 19th Aug) | 8ft (2.5m) 11s |
Table - best surf conditions forecast for Grindavik Antenas over the next 16 days.
Short Range ForecastModerate rain (total 16mm), heaviest on Wed afternoon. Very mild (max 13°C on Wed afternoon, min 9°C on Thu night). Winds increasing (calm on Wed night, strong winds from the N by Thu night). | Days 5-7 Weather SummaryLight rain (total 6mm), mostly falling on Sun night. Very mild (max 12°C on Fri afternoon, min 10°C on Fri night). Winds increasing (calm on Sat morning, fresh winds from the SE by Sun morning). | |||||||||||||||||||
Tue 11 | Wednesday 12 | Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | ||||||||||||||
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) | ESE 4 | S 11 | SSE 10 | S 10 | SSW 8 | S 9 | S 9 | S 9 | S 12 | S 9 | SSW 8 | SW 6 | SW 7 | WSW 10 | SW 9 | SSW 10 | S 9 | SW 8 | S 12 | SSW 9 |
Wave Graph  | ||||||||||||||||||||
 kJ | 26 | 434 | 0 | 550 | 113 | 508 | 246 | 186 | 3 | 13 | 6 | 5 | 12 | 20 | 320 | 795 | 509 | 216 | 47 | 469 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross | cross-off | cross | off | off | off | cross-off | off | off | glassy | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | off |
High Tide | 5:17PM3.23m | 5:41AM2.91m | 6:03PM3.42m | 6:25AM3.07m | 6:46PM3.52m | 7:06AM3.16m | 7:25PM3.50m | 7:44AM3.18m | 8:03PM3.39m | 8:22AM3.13m | 8:39PM3.19m | 8:59AM3.01m | 9:15PM2.94m | |||||||
Low Tide | 11:37PM0.23m | 11:43AM0.13m | 00:20AM0.04m | 12:27PM-0.03m | 1:01AM-0.06m | 1:08PM-0.10m | 1:39AM-0.08m | 1:48PM-0.06m | 2:15AM0.00m | 2:27PM0.08m | 2:49AM0.16m | 3:05PM0.29m | ||||||||
 |  |  | |  |  | |  |  | |  | | | | | | | | |  | |
 | — | — | 5:11 | — | — | 5:15 | — | — | 5:18 | — | — | 5:20 | — | — | 5:24 | — | — | 5:26 | — | — |
 | — | 9:58 | — | — | 9:54 | — | — | 9:52 | — | — | 9:47 | — | — | 9:45 | — | — | 9:42 | — | — | 9:37 |
mm | — | 6 | 2 | 5 | 3 | — | — | — | — | — | — | — | — | — | — | — | 6 | — | 5 | 8 |
Temp °C | 12 | 12 | 12 | 13 | 13 | 12 | 12 | 12 | 10 | 12 | 12 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
Feels °C | 6 | 7 | 9 | 11 | 11 | 10 | 8 | 7 | 2 | 5 | 7 | 9 | 7 | 7 | 6 | 5 | 5 | 9 | 8 | 9 |
Swell 1 Height (m) Direction Period (s) | WNW 5 | S 11 | SSE 10 | S 10 | SSE 9 | S 9 | S 9 | S 9 | S 8 | SSE 7 | SE 7 | SW 5 | SW 7 | WNW 7 | SW 9 | SSW 10 | S 9 | SW 8 | S 12 | SSW 9 |
| kJ | 6 | 434 | 828 | 550 | 391 | 508 | 246 | 186 | 31 | 21 | 7 | 4 | 12 | 16 | 320 | 795 | 509 | 216 | 47 | 469 |
Swell 2 Height (m) Direction Period (s) | SW 9 | WNW 5 | — | S 15 | SSW 8 | NW 8 | SE 8 | S 13 | SSE 8 | S 9 | SSW 8 | SW 6 | WSW 8 | W 7 | WNW 7 | S 15 | S 15 | S 10 | S 18 | WSW 11 |
| kJ | 12 | 2 | — | 4 | 113 | 2 | 78 | 3 | 24 | 13 | 6 | 5 | 11 | 16 | 5 | 17 | 4 | 56 | 7 | 12 |
Swell 3 Height (m) Direction Period (s) | SW 9 | — | — | — | NNW 4 | — | NW 8 | — | S 12 | S 11 | S 12 | NW 4 | SW 7 | WSW 10 | S 14 | NW 6 | S 20 | S 16 | S 20 | S 17 |
| kJ | 3 | — | — | — | 1 | — | 3 | — | 3 | 3 | 3 | 2 | 2 | 20 | 15 | 1 | 8 | 5 | 7 | 5 |
Wind waves Height (m) Direction Period (s) | ESE 4 | ESE 7 | ESE 7 | E 7 | — | — | NNW 2 | NNW 4 | NNW 5 | NW 5 | WNW 4 | W 4 | — | SE 3 | SE 5 | SE 5 | — | SE 5 | SE 7 | SSE 9 |
| kJ | 26 | 237 | 346 | 73 | — | — | 1 | 25 | 61 | 32 | 25 | 5 | — | 9 | 82 | 100 | — | 61 | 676 | 1469 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 1045 | 9 | 3 | 0 | 3 | 0 | 0 | 1109 | 1109 | 1681 | 1143 | 349 | 1109 | 349 | 785 | 1040 | 1034 | 30 | 30 | 0 |
Best forecast wave conditions in Reykjanes Peninsula | ||||||||||||||||||||
Best forecast wave conditions in Iceland | ||||||||||||||||||||
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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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