Surf Forecasts:
K38 and 39 surf forecast from 22 Aug 2026:
- Best quality surf: Friday 28 Aug, 11PM (local time) - 4.5ft (1.3m), 8s period, S swell with cross-offshore winds.
- Most powerful swell: Friday 28 Aug, 11PM (local time) - 4.5ft (1.3m), 8s period, S swell with 206 kJ wave energy.
- Next surfable swell (1★+): Friday 28 Aug, 11PM (local time) - 4.5ft (1.3m), 8s period with S swell.
Best Forecast Surf Conditions for K38 and 39 this week:
The surf forecast for K38 and 39 over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Aug 28) at 11PM. The primary swell is predicted to be 1.3m and 8s period with a secondary swell of 0.1m and 9s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at K38 and 39 in the next 16 days are 1.3m 8s and forecast to arrive on Friday (Aug 28) at 11PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 5s period and expected on Saturday (Aug 22) at 5AM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Fri 28th Aug) | 4.5ft (1.3m) 8s |
| Best Surf | 11PM (Fri 28th Aug) | 4.5ft (1.3m) 8s |
| Most Powerful | 11PM (Fri 28th Aug) | 4.5ft (1.3m) 8s |
Table - best surf conditions forecast for K38 and 39 over the next 16 days.
Short Range ForecastModerate rain (total 16mm), heaviest on Sun morning. Warm (max 25°C on Sun afternoon, min 18°C on Sat night). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 3mm), mostly falling on Thu night. Warm (max 25°C on Thu afternoon, min 18°C on Tue night). Wind will be generally light. | ||||||||||||||||||||
Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | Friday 28 | |||||||||||||||
AM | 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) | E 5 | E 5 | SSE 9 | SE 8 | S 4 | S 6 | S 6 | SSW 6 | SSW 6 | SW 6 | SSW 5 | SSW 5 | SE 9 | SE 8 | SE 8 | SE 7 | SSW 6 | SE 8 | SE 9 | SE 8 | S 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 25 | 8 | 8 | 10 | 17 | 101 | 94 | 98 | 102 | 47 | 56 | 17 | 39 | 34 | 20 | 14 | 17 | 25 | 28 | 24 | 203 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | cross-off | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross |
High Tide | 4:18PM0.88m | 4:44AM0.72m | 5:12PM0.91m | 5:38AM0.77m | 6:01PM0.96m | 6:26AM0.84m | 6:46PM1.01m | 7:09AM0.92m | 7:28PM1.05m | 7:50AM0.98m | 8:08PM1.08m | 8:30AM1.04m | 8:47PM1.09m | ||||||||
Low Tide | 9:48AM0.27m | 11:36PM0.25m | 11:03AM0.24m | 00:18AM0.20m | 11:56AM0.20m | 00:52AM0.15m | 12:38PM0.14m | 1:22AM0.09m | 1:16PM0.09m | 1:50AM0.04m | 1:51PM0.04m | 2:17AM-0.00m | 2:26PM0.00m | 2:46AM-0.03m | |||||||
 | |  |  |  |  |  | | | | | |  | | | | |  | | | | |
 | 6:01 | — | — | 6:01 | — | — | 6:03 | — | — | 6:03 | — | — | 6:05 | — | — | 6:05 | — | — | 6:07 | — | — |
 | — | 7:35 | — | — | 7:34 | — | — | 7:31 | — | — | 7:30 | — | — | 7:29 | — | — | 7:27 | — | — | 7:25 | — |
mm | — | — | — | 15 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 1 | 1 | — |
Temp °C | 20 | 20 | 20 | 23 | 25 | 24 | 23 | 24 | 22 | 23 | 24 | 22 | 21 | 23 | 22 | 24 | 25 | 24 | 25 | 26 | 24 |
Feels °C | 20 | 20 | 21 | 24 | 25 | 25 | 19 | 20 | 19 | 18 | 19 | 20 | 19 | 20 | 20 | 23 | 25 | 26 | 26 | 26 | 25 |
Swell 1 Height (m) Direction Period (s) | E 5 | E 5 | SSE 9 | ESE 4 | SSE 12 | S 6 | S 6 | SE 11 | SSW 6 | SE 6 | SE 10 | SSW 5 | SSW 5 | SE 8 | SE 8 | SSW 6 | SE 9 | SE 8 | S 5 | SSE 5 | S 8 |
| kJ | 25 | 8 | 8 | 4 | 14 | 101 | 94 | 19 | 97 | 6 | 17 | 15 | 14 | 34 | 20 | 11 | 13 | 25 | 25 | 17 | 203 |
Swell 2 Height (m) Direction Period (s) | SE 8 | ESE 8 | ESE 7 | SE 8 | SE 8 | SSE 12 | SSE 12 | — | SE 11 | SE 11 | ESE 6 | SE 10 | SE 9 | S 8 | SW 4 | SE 7 | SE 7 | SSW 6 | SE 9 | SE 8 | — |
| kJ | 3 | 6 | 5 | 10 | 3 | 14 | 13 | — | 18 | 18 | 4 | 17 | 39 | 4 | 7 | 13 | 7 | 7 | 28 | 24 | — |
Swell 3 Height (m) Direction Period (s) | SE 13 | SE 9 | SE 13 | SE 12 | ESE 7 | SE 12 | — | — | E 7 | SE 5 | — | SSW 6 | S 13 | — | SSW 6 | SE 9 | E 11 | E 11 | E 10 | SSW 6 | — |
| kJ | 7 | 3 | 6 | 6 | 5 | 22 | — | — | 1 | 1 | — | 6 | 4 | — | 14 | 14 | 2 | 2 | 2 | 10 | — |
Wind waves Height (m) Direction Period (s) | — | — | E 5 | S 4 | S 4 | WSW 5 | SSW 6 | SSW 6 | SW 6 | SW 6 | SSW 5 | WSW 5 | — | SSW 3 | — | SSW 6 | SSW 6 | S 4 | — | — | — |
| kJ | — | — | 4 | 3 | 17 | 33 | 73 | 98 | 102 | 47 | 56 | 13 | — | 10 | — | 13 | 17 | 7 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 78 | 25 | 141 | 127 | 727 | 223 | 2 | 44 | 21 | 2 | 480 | 172 | 44 | 44 | 141 | 50 | 689 | 1165 | 178 | 44 | 44 |
Best forecast wave conditions in Rhode Island | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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Information about the K38 and 39 Surf forecast
The above surf forecast table for K38 and 39 provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at K38 and 39 can be found by selecting the local surf guide option on the grey menu. Our K38 and 39 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 (K38 and 39) 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 K38 and 39 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.
K38 and 39 is 8 km (5 miles) from Narragansett Pier. If you plan a vacation in Rhode Island, look for hotels and other accommodation in Narragansett Pier. Narragansett Pier has rooms for a wide range of budgets as well as car hire and transport links.
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