Surf Forecasts:
Grindavik Antenas surf forecast from 21 Oct 2026:
- Best quality surf: Monday 26 Oct, 9PM (local time) - 4.5ft (1.3m), 10s period, SW swell with cross-offshore winds.
- Most powerful swell: Friday 23 Oct, 3AM (local time) - 10ft (3.0m), 14s period, SW swell with 2,971 kJ wave energy.
- Next surfable swell (1★+): Monday 26 Oct, 9PM (local time) - 4.5ft (1.3m), 10s 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 Monday (Oct 26) at 9PM. The primary swell is predicted to be 1.3m and 10s period with a secondary swell of 0.7m and 6s. 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 3.0m 14s and forecast to arrive on Friday (Oct 23) at 3AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.5m 5s period and expected on Sunday (Oct 25) at 12AM.
| Wave Type | Time (GMT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9PM (Mon 26th Oct) | 4.5ft (1.3m) 10s |
| Best Surf | 9PM (Mon 26th Oct) | 4.5ft (1.3m) 10s |
| Most Powerful | 3AM (Fri 23rd Oct) | 10ft (3.0m) 14s |
Table - best surf conditions forecast for Grindavik Antenas over the next 16 days.
Short Range ForecastModerate rain (total 11mm), heaviest on Wed night. Mild temperatures (max 6°C on Thu afternoon, min 3°C on Wed night). Winds decreasing (strong winds from the E on Wed night, light winds from the ESE by Thu night). | Days 5-7 Weather SummaryMostly dry. Mild temperatures (max 6°C on Tue morning, min 2°C on Sat night). Winds decreasing (strong winds from the N on Sat night, light winds from the NE by Mon night). | |||||||||||||||||||
Wed 21 | Thursday 22 | Friday 23 | Saturday 24 | Sunday 25 | Monday 26 | Tuesday 27 | ||||||||||||||
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 11 | SW 10 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 10 | SW 9 | SW 8 | SW 10 | SW 11 | SSW 12 | WSW 11 | SW 10 | SW 10 | SW 10 | SW 9 | SW 12 | SW 12 |
Wave Graph  | ||||||||||||||||||||
 kJ | 932 | 520 | 1617 | 1818 | 1486 | 1279 | 924 | 341 | 152 | 98 | 226 | 172 | 318 | 536 | 200 | 239 | 257 | 196 | 137 | 92 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | on | on | cross-on | cross-on | cross-on | cross-on | cross-off | cross-off | off | off | off | off | cross-off | cross-off | cross-off | off | off | glassy |
High Tide | 3:24AM2.36m | 3:38PM2.62m | 4:04AM2.62m | 4:16PM2.82m | 4:40AM2.88m | 4:52PM3.00m | 5:14AM3.11m | 5:28PM3.14m | 5:50AM3.30m | 6:05PM3.22m | 6:26AM3.42m | 6:43PM3.21m | ||||||||
Low Tide | 9:16PM0.87m | 9:26AM0.83m | 9:54PM0.61m | 10:07AM0.59m | 10:29PM0.37m | 10:45AM0.36m | 11:03PM0.17m | 11:22AM0.17m | 11:37PM0.02m | 11:59AM0.04m | 00:12AM-0.05m | 12:38PM-0.01m | 00:50AM-0.04m | |||||||
 |  |  |  |  |  | |  | | | | | |  | |  |  | | | | |
 | — | — | 8:37 | — | — | 8:41 | — | — | 8:44 | — | — | 8:47 | — | — | 8:49 | — | — | 8:52 | — | — |
 | 5:52 | — | — | 5:49 | — | — | 5:45 | — | — | 5:42 | — | — | 5:38 | — | — | 5:35 | — | — | 5:31 | — |
mm | — | 4 | 1 | 1 | 4 | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | 2 |
Temp °C | 5 | 5 | 5 | 6 | 5 | 5 | 5 | 4 | 3 | 4 | 4 | 2 | 3 | 3 | 3 | 3 | 5 | 6 | 6 | 6 |
Feels °C | -3 | -4 | 0 | 0 | -1 | 2 | 0 | -2 | -4 | -4 | -7 | -8 | -7 | -6 | -6 | -5 | -2 | -3 | -2 | 1 |
Swell 1 Height (m) Direction Period (s) | SW 11 | SW 10 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 10 | SW 9 | SW 8 | SW 10 | SE 10 | SSW 12 | WSW 11 | W 8 | SW 10 | SW 10 | SW 9 | SW 12 | ESE 11 |
| kJ | 932 | 520 | 1617 | 1818 | 1486 | 1279 | 924 | 341 | 152 | 98 | 226 | 200 | 318 | 536 | 167 | 239 | 257 | 196 | 137 | 105 |
Swell 2 Height (m) Direction Period (s) | S 11 | SSW 10 | ESE 9 | ESE 9 | W 14 | NNE 12 | NW 10 | NW 6 | NW 5 | ESE 6 | SE 8 | SSW 11 | WSW 10 | SSW 11 | SW 10 | WNW 7 | W 10 | SW 13 | S 11 | SW 12 |
| kJ | 2 | 90 | 30 | 26 | 333 | 91 | 28 | 14 | 5 | 24 | 18 | 154 | 103 | 340 | 200 | 71 | 65 | 88 | 60 | 92 |
Swell 3 Height (m) Direction Period (s) | S 13 | SSW 12 | ESE 9 | SE 8 | E 10 | NNE 12 | NNE 12 | ESE 10 | S 14 | S 12 | SE 12 | SW 11 | ESE 10 | ESE 13 | W 8 | W 8 | W 11 | E 6 | S 8 | SSE 14 |
| kJ | 3 | 50 | 31 | 15 | 30 | 26 | 27 | 10 | 4 | 24 | 5 | 172 | 67 | 31 | 112 | 43 | 61 | 3 | 35 | 136 |
Wind waves Height (m) Direction Period (s) | SE 8 | ESE 8 | — | — | ENE 3 | — | — | SE 2 | E 4 | N 4 | NNW 5 | NNW 5 | NNW 5 | NW 7 | — | — | E 3 | NW 7 | NNW 4 | NNW 5 |
| kJ | 136 | 186 | — | — | 2 | — | — | 1 | 36 | 17 | 126 | 80 | 102 | 225 | — | — | 2 | 47 | 18 | 44 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 34 | 34 | 34 | 30 | 3 | 3 | 3 | 16 | 349 | 1420 | 785 | 1423 | 1464 | 54 | 1162 | 349 | 349 | 1464 | 785 | 0 |
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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