Steamer Lane-The Slot Surf Break

Lat Long: 36.95° N 122.03° W

Steamer Lane-The Slot Surf Forecast and Surf Report

Issued: 10 pm 10 Sep 2026 (local time)

Forecast update in  hr  min

Today's Steamer Lane-The Slot sea temperature is
16.3°C
1.4° 

Steamer Lane-The Slot surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Steamer Lane-The Slot surf forecast from 11 Sep 2026:

  • Best quality surf: Friday 11 Sep, 5AM (local time) - 3ft (0.9m), 16s period, SSW swell with glassy winds.
  • Most powerful swell: Monday 14 Sep, 11PM (local time) - 7ft (2.2m), 9s period, NW swell with 766 kJ wave energy.
  • Next surfable swell (1★+): Friday 11 Sep, 5AM (local time) - 3ft (0.9m), 16s period with SSW swell.

Best Forecast Surf Conditions for Steamer Lane-The Slot this week:

The surf forecast for Steamer Lane-The Slot over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Sep 11) at 5AM. The primary swell is predicted to be 0.9m and 16s period with a secondary swell of 0.5m and 6s. Another secondary swell of 0.9m and 11s is also forecast. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Steamer Lane-The Slot in the next 16 days are 2.2m 9s and forecast to arrive on Monday (Sep 14) at 11PM. Winds are predicted to be cross-offshore at the time the swell arrives.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Fri 11th Sep)3ft (0.9m) 16s
Best Surf 5AM (Fri 11th Sep)3ft (0.9m) 16s
Most Powerful11PM (Mon 14th Sep)7ft (2.2m) 9s

Table - best surf conditions forecast for Steamer Lane-The Slot over the next 16 days.


The Lowdown

Alright folks, Rusty here. Let's look at what's cooking for the Santa Cruz coast over the next couple of weeks.

Alright, so straight up, this isn't a classic run for Steamer Lane. We've got a long stretch of small, generally weak energy headed our way, and the winds aren't doing us any favours. The tide and conditions are going to keep things marginal for the majority of the time. The combined swell energy rarely gets into a fun range, hovering in the 200s, 300s, and low 400s for the most part, which is weak to moderate at best. You're really going to have to pick your moments.

For the first ten days, from Friday the 11th right through to the 20th, it's a real "look before you leap" situation. Most sessions are showing small cross-onshore winds, or onshore slop. The surf is tiny, mostly between 2 ft and 5 ft, and a lot of it is short-period, choppy stuff. Saturday the 12th afternoon gets crossed-out with a stiff 12 mph NW breeze, and Sunday the 13th afternoon has a 5 ft, 6-second windswell from the WNW, but it's blown out with a 16 mph cross-shore – honestly, that setup looks more interesting for kite surfing than paddle surfing.

We do finally get a couple of bright spots towards the end of the run. The first real standout is Saturday morning, the 19th of September. It's not big, just 2 ft of SSW swell, but the period is a solid 18 seconds – that’s proper long-period groundswell energy, which Steamer Lane, being a reef, will handle beautifully. The real kicker is the wind: glassy. The combined energy is still modest at 366, but clean, lined-up waves on a reef with a long period punch will be worth it. Expect manageable crowds, though it can get busy out there.

The second standout, and arguably the best of the whole 16-day window, is Saturday morning, the 20th of September. Again, it’s glassy – that’s a massive positive. The swell is 2 ft from the SSW, still holding that lovely 18-second period. The combined energy ticks up a notch to 451. At this spot, a 2 ft, 18-second groundswell with glassy conditions will have those long, clean lines reeling down the point. This is the session to circle on the calendar.

Later on, we see a bit more size arrive on Monday, the 21st of September, with the morning showing 5 ft of WNW swell. The combined energy jumps to 733, which is a moderate energy pulse. However, it's a shorter 9-second period and still a light cross-onshore. It could offer some fun, punchier waves, but it won't have the quality of those glassy mornings before it. For high-quality, clean surf, stick with the 19th and 20th.

On Friday, the 25th of September, the morning is showing glassy conditions again, with a 3 ft WNW swell having a decent 12-second period. The energy is 533. It's a bit further out, so less certain, but the signs are promising.

Keep an eye on the water temp – it's running about what you'd expect for this time of year, so you'll want a spring suit.

This is Rusty, signing off. Get out there.

Short Range Forecast

Mostly dry. Warm (max 25°C on Fri afternoon, min 13°C on Sat night). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Warm (max 24°C on Mon afternoon, min 13°C on Sun night). Wind will be generally light.

Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
3
1
1
3
1
0
2
1
0
3
1
1
3
1
0
2
1
1
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.9
SSW
16
0.9
SSW
16
0.9
SSW
15
0.9
SW
15
0.9
SW
14
0.7
SW
14
0.7
SW
14
0.6
SSW
13
1.5
WNW
6
1.9
NW
8
1.4
WNW
9
1.4
WNW
9
2.2
NW
9
1.4
WNW
9
1.3
WNW
8
1.1
WNW
8
1
WNW
8
0.5
SSW
17
0.5
SSW
17
Wave Graph
Metric surfscale
Energy kJ
430
425
403
309
305
211
200
120
176
475
311
311
766
304
234
173
144
168
164
Wind (km/h)
0
NNW
10
W
5
WNW
5
NNW
10
W
25
NW
10
NNW
5
WNW
25
NW
5
ENE
5
W
15
NW
5
NNW
5
SW
10
SW
5
SE
10
SSW
10
SW
0
ESE
Wind State
glassy
cross-on
cross-on
glassy
cross-on
cross
cross-off
cross-on
cross
glassy
cross-on
cross
glassy
on
on
glassy
cross-on
on
glassy
High Tide
10:42PM1.62m
11:37AM1.54m
11:33PM1.51m
12:04PM1.56m
00:23AM1.38m
12:30PM1.57m
1:16AM1.26m
12:56PM1.57m
2:16AM1.15m
1:24PM1.56m
3:35AM1.08m
1:57PM1.53m
Low Tide
4:54AM-0.02m
5:17PM0.24m
5:28AM0.15m
6:01PM0.17m
6:01AM0.34m
6:44PM0.15m
6:33AM0.55m
7:29PM0.16m
7:04AM0.75m
8:19PM0.21m
7:34AM0.93m
9:17PM0.26m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:46
6:47
6:48
6:48
6:48
6:50
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:22
7:20
7:19
7:16
7:15
7:14
 mm
Temp °C
22
23
25
18
20
25
18
18
22
16
21
24
19
17
20
15
17
19
16
Feels °C
22
22
24
18
19
22
15
17
18
12
20
22
18
17
19
15
16
18
17
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  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Steamer Lane-The Slot Surf forecast

The above surf forecast table for Steamer Lane-The Slot provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Steamer Lane-The Slot can be found by selecting the local surf guide option on the grey menu. Our Steamer Lane-The Slot 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 (Steamer Lane-The Slot) 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 Steamer Lane-The Slot 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.

Steamer Lane-The Slot is 3 km (2 miles) from Santa Cruz. If you plan a vacation in Santa Cruz, look for hotels and other accommodation in Santa Cruz. Santa Cruz has rooms for a wide range of budgets as well as car hire and transport links.

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