
Surf Forecasts:
15th Street surf forecast from 5 Aug 2026:
- Best quality surf: Saturday 8 Aug, 2AM (local time) - 3ft (0.9m), 18s period, SSW swell with glassy winds.
- Most powerful swell: Saturday 8 Aug, 11PM (local time) - 3.5ft (1.0m), 16s period, SSW swell with 487 kJ wave energy.
- Next surfable swell (1★+): Thursday 6 Aug, 8AM (local time) - 2ft (0.6m), 13s period with SW swell.
Best Forecast Surf Conditions for 15th Street this week:
The surf forecast for 15th Street over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Aug 06) at 8AM. The primary swell is predicted to be 0.6m and 13s period with a secondary swell of 0.3m and 4s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at 15th Street in the next 16 days are 1.0m 16s and forecast to arrive on Saturday (Aug 08) at 11PM. Winds are predicted to be glassy at the time the swell arrives.
| Wave Type | Time (PDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8AM (Thu 6th Aug) | 2ft (0.6m) 13s |
| Best Surf | 2AM (Sat 8th Aug) | 3ft (0.9m) 18s |
| Most Powerful | 11PM (Sat 8th Aug) | 3.5ft (1.0m) 16s |
Table - best surf conditions forecast for 15th Street over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s be straight with you – this stretch of coast is going through a real flat spell. For the next 16 days, 15th Street (beach and reef) is about the only game in town, but even then, it’s a struggle. The water is sitting at 77°, which is a whopping 9° warmer than usual for this time of year – that’s very unusual, feels like bathwater out there.
The first few days are a write-off. Wednesday and Thursday, August 5th and 6th, we’ve got tiny 2 ft SW swell with weak energy readings (168-227), and the wind is mostly light offshore or cross-onshore, but the waves just aren’t there. Friday morning, August 7th, shows a tiny uptick: 2 ft SSW swell with a very long period of 19 seconds, and the combined energy climbs to 500 (moderate energy). The wind is light offshore, which is a major positive. But the size is so small, it’s really just a marginal session for the patient.
The weekend, August 8th and 9th, sees the swell nudging up to 3-3 ft from the SSW, period dropping to 15-17 seconds. Energy is moderate (359-537). Saturday sees light offshore wind, but Sunday brings a cross-onshore breeze that’ll mess up the surface. It’s still poor, honestly.
We hit a bit of a lull again Monday through Thursday, August 10th-13th, with swell dropping back to 2-2 ft, period all over the place (13-20 seconds). Energy is moderate but the waves are just too small and weak for any real fun. Cross-onshore winds most days keep it choppy.
The next real standout window is August 14th and 15th. Friday, August 14th, we start seeing 3-3 ft SSW swell, with a very long period of 18 seconds, and energy jumping to 703-849 (strong wave energy). Light offshore wind in the morning. Saturday, August 15th, pushes that up to 3-4 ft SSW swell, period 16 seconds, energy 734-770 (strong). Offshore wind all day. This is the best we’ll see in the whole outlook. The SSW swell direction is a good match for the break’s optimum WSW exposure, and with that long period, the waves will have some punch. The size is still manageable for most surfers, though it’s getting a bit bigger for absolute beginners. It’s consistent, and crowds are often here, so expect a few locals out. This is the best bet.
Sunday, August 16th, drops back down to 3 ft and energy fading to 404-508. After that, the rest of the outlook from August 17th to 20th is a repeat of small, poor conditions with cross-onshore winds and moderate energy, barely worth paddling out for.
So, to wrap it up: there’s a long dry spell until the second week. The standout is definitely August 14th and 15th, especially Friday morning and Saturday. The swell is still small, but the direction, long period, and clean offshore wind make it the only real chance for a decent wave. The rest? Honestly, it’s a kite surfing kind of setup with the small swell and cross-shore winds.
Rusty.
Short Range ForecastMostly dry. Warm (max 24°C on Fri morning, min 20°C on Wed morning). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 25°C on Sat morning, min 22°C on Sat morning). Wind will be generally light. | ||||||||||||||||||||
Wednesday 5 | Thursday 6 | Friday 7 | Saturday 8 | Sunday 9 | Monday 10 | Tuesday 11 | |||||||||||||||
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) | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SSW 19 | SSW 19 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 13 | SW 20 | SW 19 | SSW 13 | SW 18 | SW 18 |
Wave Graph | |||||||||||||||||||||
128 | 125 | 158 | 111 | 140 | 126 | 329 | 241 | 438 | 336 | 366 | 481 | 309 | 305 | 297 | 204 | 186 | 184 | 129 | 319 | 316 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | cross-on | cross-on | on | glassy | on | on | glassy | on | on | glassy | cross-on | on | glassy | cross-on | cross-on | glassy | cross-on | cross-on | glassy |
High Tide | 2:30PM1.95m | 4:22AM1.20m | 3:37PM2.01m | 6:46AM1.26m | 4:52PM2.10m | 7:50AM1.38m | 6:01PM2.23m | 8:30AM1.50m | 7:02PM2.36m | 9:05AM1.60m | 7:55PM2.46m | 9:38AM1.70m | 8:44PM2.49m | ||||||||
Low Tide | 10:15PM0.74m | 8:02AM1.09m | 11:46PM0.56m | 9:33AM1.20m | 00:52AM0.35m | 11:21AM1.22m | 1:44AM0.16m | 12:39PM1.15m | 2:29AM0.02m | 1:40PM1.04m | 3:10AM-0.05m | 2:33PM0.92m | 3:48AM-0.05m | ||||||||
6:05 | — | — | 6:05 | — | — | 6:05 | — | — | 6:07 | — | — | 6:07 | — | — | 6:07 | — | — | 6:09 | — | — | |
— | 7:44 | — | — | 7:43 | — | — | 7:42 | — | — | 7:42 | — | — | 7:40 | — | — | 7:39 | — | — | 7:38 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 22 | 22 | 21 | 22 | 23 | 21 | 24 | 24 | 22 | 25 | 25 | 23 | 24 | 24 | 22 | 24 | 25 | 22 | 25 | 25 | 22 |
Feels °C | 23 | 22 | 22 | 22 | 23 | 22 | 24 | 24 | 23 | 25 | 24 | 24 | 24 | 24 | 23 | 24 | 24 | 23 | 25 | 24 | 24 |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SSW 13 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SW 18 | SW 18 |
128 | 125 | 158 | 111 | 140 | 106 | 168 | 147 | 438 | 336 | 366 | 481 | 309 | 305 | 297 | 204 | 139 | 137 | 129 | 319 | 316 | |
Swell 2 Height (m) Direction Period (s) | W 6 | SW 12 | W 4 | W 4 | WNW 5 | SSW 18 | SSW 19 | SSW 19 | SW 12 | SSW 12 | SW 12 | SW 12 | SSW 11 | SW 11 | SW 11 | SW 20 | SW 20 | SW 19 | SW 14 | SW 14 | SSW 12 |
10 | 34 | 6 | 4 | 5 | 126 | 329 | 241 | 122 | 94 | 139 | 92 | 47 | 58 | 42 | 103 | 186 | 184 | 74 | 103 | 47 | |
Swell 3 Height (m) Direction Period (s) | SSW 12 | S 9 | S 9 | S 12 | SSW 20 | W 5 | W 12 | W 12 | W 15 | W 4 | W 12 | SW 9 | W 4 | SW 21 | SW 21 | W 12 | SW 16 | WNW 12 | SW 18 | SSW 12 | SW 13 |
30 | 6 | 6 | 25 | 82 | 4 | 3 | 3 | 4 | 3 | 12 | 20 | 3 | 72 | 71 | 25 | 39 | 28 | 114 | 47 | 45 | |
Wind waves Height (m) Direction Period (s) | — | WNW 6 | — | — | — | — | — | WNW 5 | WNW 4 | — | SW 9 | — | — | W 4 | — | — | — | — | — | — | — |
— | 10 | — | — | — | — | — | 4 | 3 | — | 20 | — | — | 3 | — | — | — | — | — | — | — | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 37 | 37 | 18 | 37 | 37 | 0 | 37 | 36 | 0 | 36 | 37 | 0 | 137 | 37 | 0 | 14 | 137 | 0 | 14 | 137 | 0 |
Best forecast wave conditions in San Diego County | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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Information about the 15th Street Surf forecast
The above surf forecast table for 15th Street provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at 15th Street can be found by selecting the local surf guide option on the grey menu. Our 15th Street 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 (15th Street) 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 15th Street 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.
15th Street is 5 km (3 miles) from the city of Encinitas. If you plan a vacation in San Diego County, look for hotels and other accommodation in Encinitas. Encinitas has rooms for a wide range of budgets as well as car hire and transport links.











