Surf Forecasts:
Grindavik Antenas surf forecast from 18 Jul 2026:
- Best quality surf: Friday 24 Jul, 12AM (local time) - 11ft (3.5m), 10s period, WSW swell with cross-offshore winds.
- Most powerful swell: Thursday 23 Jul, 6PM (local time) - 11ft (3.5m), 10s period, WSW swell with 2,770 kJ wave energy.
- Next surfable swell (1★+): Tuesday 21 Jul, 6PM (local time) - 4.5ft (1.3m), 8s period with SW 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 Tuesday (Jul 21) at 6PM. The primary swell is predicted to be 1.3m and 8s period with a secondary swell of 0.2m and 10s. Another secondary swell of 0.6m and 7s is also forecast. 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 Thursday (Jul 23) at 6PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 6s period and expected on Sunday (Jul 26) at 12AM.
| Wave Type | Time (GMT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6PM (Tue 21st Jul) | 4.5ft (1.3m) 8s |
| Best Surf | 12AM (Fri 24th Jul) | 11ft (3.5m) 10s |
| Most Powerful | 6PM (Thu 23rd Jul) | 11ft (3.5m) 10s |
Table - best surf conditions forecast for Grindavik Antenas over the next 16 days.
Short Range ForecastSome drizzle, heaviest during Mon afternoon. Very mild (max 14°C on Sun afternoon, min 9°C on Sat afternoon). Mainly fresh winds. | Days 5-7 Weather SummaryModerate rain (total 16mm), heaviest on Wed night. Very mild (max 11°C on Tue night, min 9°C on Tue afternoon). Winds decreasing (fresh winds from the WSW on Wed night, light winds from the NNW by Thu night). | |||||||||||||||||||
Sat 18 | Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | ||||||||||||||
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) | WSW 11 | WSW 11 | WSW 10 | WSW 10 | WSW 10 | WSW 9 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 7 | SW 7 | WSW 9 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 |
Wave Graph  | ||||||||||||||||||||
 kJ | 346 | 404 | 445 | 462 | 500 | 617 | 587 | 456 | 298 | 241 | 169 | 118 | 397 | 1380 | 2489 | 2716 | 2756 | 1675 | 1196 | 756 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross-on | cross-on | cross | cross-on | cross | cross-off | cross-on | on | cross-on | cross | cross | cross-on | cross-off | off | off | cross-on |
High Tide | 9:13PM3.21m | 9:36AM2.85m | 9:55PM2.96m | 10:21AM2.71m | 10:39PM2.69m | 11:10AM2.56m | 11:28PM2.44m | 12:07PM2.43m | 00:27AM2.23m | 1:16PM2.35m | 1:42AM2.12m | 2:33PM2.37m | ||||||||
Low Tide | 3:28AM0.24m | 3:39PM0.34m | 4:10AM0.42m | 4:26PM0.58m | 4:54AM0.63m | 5:18PM0.83m | 5:43AM0.83m | 6:22PM1.03m | 6:43AM0.99m | 7:40PM1.15m | 7:56AM1.06m | 9:02PM1.14m | ||||||||
 |  |  | | | |  | | | |  | | |  | | |  |  | |  | |
 | — | — | 3:58 | — | — | 4:01 | — | — | 4:03 | — | — | 4:07 | — | — | 4:09 | — | — | 4:13 | — | — |
 | — | 11:14 | — | — | 11:10 | — | — | 11:07 | — | — | 11:06 | — | — | 11:02 | — | — | 11:00 | — | — | 10:57 |
mm | — | — | — | — | — | — | 1 | — | — | — | 3 | — | 3 | 10 | — | — | — | — | — | — |
Temp °C | 10 | 12 | 13 | 14 | 13 | 12 | 10 | 10 | 9 | 10 | 11 | 11 | 11 | 11 | 10 | 11 | 11 | 11 | 13 | 13 |
Feels °C | 6 | 9 | 9 | 10 | 9 | 6 | 4 | 6 | 5 | 7 | 8 | 6 | 5 | 6 | 4 | 6 | 7 | 6 | 11 | 10 |
Swell 1 Height (m) Direction Period (s) | S 14 | WSW 11 | SW 11 | S 13 | S 12 | S 12 | S 12 | SW 8 | SW 8 | SW 8 | SW 8 | SSW 11 | S 11 | S 15 | S 14 | S 16 | WSW 10 | WSW 10 | WSW 10 | WSW 10 |
| kJ | 33 | 404 | 217 | 30 | 27 | 23 | 25 | 456 | 298 | 241 | 169 | 24 | 2 | 18 | 15 | 5 | 2260 | 1675 | 1196 | 756 |
Swell 2 Height (m) Direction Period (s) | S 7 | S 13 | S 10 | S 6 | S 8 | S 20 | S 19 | S 12 | S 13 | SW 10 | WNW 6 | S 16 | S 16 | S 11 | — | — | — | S 14 | S 14 | S 14 |
| kJ | 1 | 54 | 8 | 1 | 1 | 8 | 7 | 11 | 12 | 25 | 24 | 5 | 5 | 2 | — | — | — | 16 | 4 | 16 |
Swell 3 Height (m) Direction Period (s) | S 7 | S 7 | S 7 | S 21 | S 21 | — | — | S 19 | S 18 | S 15 | S 12 | S 17 | — | — | — | — | — | — | S 15 | — |
| kJ | 1 | 1 | 1 | 9 | 9 | — | — | 7 | 6 | 4 | 11 | 6 | — | — | — | — | — | — | 4 | — |
Wind waves Height (m) Direction Period (s) | WSW 11 | — | WSW 10 | WSW 10 | WSW 10 | WSW 9 | SW 8 | — | — | — | — | SW 7 | SW 7 | WSW 9 | WSW 10 | WSW 10 | WSW 10 | — | — | — |
| kJ | 346 | — | 445 | 462 | 500 | 617 | 587 | — | — | — | — | 118 | 397 | 1380 | 2489 | 2716 | 2756 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 54 | 54 | 54 | 54 | 54 | 1181 | 1393 | 54 | 54 | 54 | 54 | 785 | 785 | 1288 | 349 | 349 | 0 | 0 | 0 | 16 |
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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