Steamer Lane-The Slot Surf Break

Lat Long: 36.95° N 122.03° W

Steamer Lane-The Slot Surf Forecast and Surf Report

Issued: 4 pm 18 Aug 2026 (local time)

Forecast update in  hr  min

Today's Steamer Lane-The Slot sea temperature is
16.2° C
1.6° 

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 19 Aug 2026:

  • Best quality surf: Wednesday 19 Aug, 8PM (local time) - 3ft (0.9m), 15s period, SSW swell with glassy winds.
  • Most powerful swell: Wednesday 19 Aug, 8PM (local time) - 3ft (0.9m), 15s period, SSW swell with 339 kJ wave energy.
  • Next surfable swell (1★+): Tuesday 18 Aug, 11PM (local time) - 2.5ft (0.8m), 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 Tuesday (Aug 18) at 11PM. The primary swell is predicted to be 0.8m and 16s period with a secondary swell of 0.9m and 8s. Another secondary swell of 1.2m and 7s 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 0.9m 15s and forecast to arrive on Wednesday (Aug 19) at 8PM. Winds are predicted to be glassy at the time the swell arrives.

Wave TypeTime (PDT) & Date Wave Height & Period
Next good surf (1 star+)11PM (Tue 18th Aug)2.5ft (0.8m) 16s
Best Surf 8PM (Wed 19th Aug)3ft (0.9m) 15s
Most Powerful 8PM (Wed 19th Aug)3ft (0.9m) 15s

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


The Lowdown

Alright folks, Rusty here. Let's have a look at what's on the cards for the next couple of weeks.

Right off the bat, we're looking at a pretty quiet stretch. The first few days are a bit of a write-off, with only small, weak swell and cross-onshore winds messing things up. The first real glimmer of hope comes on Thursday the 20th of August. We've got a little 2ft SSW groundswell rolling in, with a period of 14 seconds, and the wind goes glassy in the afternoon. That's a rare treat for Steamer Lane-The Slot (Steamer Lane-The Slot). The water is sitting at 61°F, which is a touch warmer than normal for this time of year, so it'll feel nice. The combined energy is moderate (438), so it won't be a powerfest, but those clean conditions make it the standout of this first week. It's a reef break, so it's for advanced surfers only, and crowds are often an issue here, so expect company.

We then hit a bit of a flat spell. The swell drops off and the wind stays in a cross-on or onshore direction for days. The combined energy dips into the low 200s and 300s, which is weak. It's a dry patch that lasts right through until the end of August.

Things start to look a bit more interesting around the 27th of August. The swell bumps up, but it's a short-period WNW windswell with a period of just 8 seconds, so the quality won't be there. The best bet of the whole outlook is likely the 31st of August. It's a Monday and a bit of a long-range call, so less certain, but the morning has glassy conditions with a 3ft SSW groundswell and a longer period of 14 seconds. The combined energy is moderate (355), and with that glassy wind, it'll be clean. Not a massive day, but the best of the bunch.

The real pulse of energy hits later on. On the 28th of August, the combined energy leaps into the strong range (830) with a 5ft NW swell, but the period is short (9 seconds) and the wind is cross-on, making it choppy and messy. That's a big swell for the Slot, over 5ft, so it's too big for beginners and getting into expert territory. The setup looks more interesting for kite surfing than paddle surfing on that afternoon.

The 2nd of September morning also has a good window, with glassy conditions and a 2ft SSW groundswell with a very long 17-second period. The combined energy is moderate (386). That long period will create some nice lines at this reef, but the sets will be few and far between.

The pick of the whole forecast is the morning of the 31st of August for the best combination of clean conditions and reasonable swell. The afternoon of the 20th of August is the next best thing, purely for the glassy conditions.

Rusty, signing off.

Short Range Forecast

Mostly dry. Warm (max 24°C on Thu afternoon, min 14°C on Tue night). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Warm (max 25°C on Fri afternoon, min 15°C on Fri night). Wind will be generally light.

Tue
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
2
1
1
2
1
2
2
1
1
1
0
0
0
1
1
2
1
0
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
0.7
SSW
14
0.9
SSW
15
0.9
SSW
15
0.8
SSW
15
0.6
SSW
14
0.7
SSW
14
0.7
SSW
14
0.4
SW
18
0.4
SW
18
1.1
NW
6
0.3
SSW
18
0.4
SW
17
1
WNW
8
1
WNW
8
1
WNW
8
0.5
SW
18
0.5
SW
18
0.5
SW
17
0.6
SSW
17
Wave Graph
Metric surfscale
Energy kJ
366
163
305
322
256
156
183
183
105
99
99
68
73
125
131
137
157
155
150
193
Wind (km/h)
10
W
0
NW
10
WSW
10
WSW
0
NNW
5
W
5
WSW
5
NW
10
WSW
10
WNW
5
NNW
5
WSW
10
WSW
5
WNW
10
WSW
10
WSW
0
NE
10
WSW
10
WSW
0
NNE
Wind State
cross-on
glassy
cross-on
cross-on
glassy
cross-on
glassy
glassy
cross-on
cross-on
glassy
cross-on
cross-on
cross
cross-on
on
glassy
on
on
glassy
High Tide
3:05PM1.55m
5:30AM0.98m
3:45PM1.54m
8:24AM1.07m
4:35PM1.53m
9:22AM1.18m
5:34PM1.53m
9:57AM1.25m
6:37PM1.55m
10:24AM1.28m
7:34PM1.58m
10:46AM1.29m
8:23PM1.62m
Low Tide
10:17PM0.34m
9:12AM0.89m
11:30PM0.31m
10:39AM1.04m
00:41AM0.26m
12:15PM1.10m
1:40AM0.19m
1:24PM1.09m
2:29AM0.11m
2:15PM1.02m
3:08AM0.03m
2:56PM0.94m
3:42AM-0.03m
clear
part cloud
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:28
6:28
6:28
6:30
6:31
6:31
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:55
7:53
7:52
7:52
7:51
7:49
7:47
 mm
Temp °C
21
17
21
23
17
21
24
18
21
25
19
21
24
18
22
24
18
19
21
16
Feels °C
21
18
21
23
17
21
24
19
20
25
19
20
24
19
21
23
18
18
20
16
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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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