Reef
right
Level 7/10

Marwick Bay

Orkney Islands, UK
🪨Rocks🪸Sharp reef🌀Strong rips🏝️Remote

Marwick Bay is one of Orkney's most exposed surf spots--a right-hand reef on the west coast wide open to the North Atlantic.

Marwick Bay surf forecast

Model forecast for swell, wind and tide.

10-Day Forecast
Today8
41
Poor
0.7m@9s
8km/h
Mon9
49
Fair
0.9m@9s
5km/h
Tue10
62
Fair
1.0m@10s
4km/h
Wed11
0
Poor
0.9m@8s
16km/h
Thu12
14
Poor
2.5m@9s
23km/h
Fri13
4
Poor
1.4m@7s
27km/h
Sat14
23
Poor
1.9m@8s
25km/h
Sun15
33
Poor
1.3m@8s
17km/h
Mon16
19
Poor
2.0m@9s
27km/h
Tue17
0
Poor
0.0m@11s
28km/h
Groomed Choppy 5+ days out, less certain

Today's Conditions

Find Flights
Best session: AfternoonAM 10 km/h · PM 8 km/h · Tide at 1pm (0.2m) Groomed
Swell
0.7m
WNW(284°)
Score: 3/25
Period
9s
Short period
Score: 6/25
Wind
8km/h
SE(140°)
Score: 20/25
Weather
8°C
0.0mm93%
First light 7:18amSunrise 7:48amSunset 4:04pmLast light 4:34pm
Windswell
—
Secondary
0.2m
Confidence
100%

Location & Conditions

Loading map...
Swell0.7m @9s WNW in window
Wind8 km/h SE offshore
SwellWind: Offshore Cross Onshore
Showing forecast for today · all day

Hourly Forecast, Tide & Strike Windows

Strike window: 9:19–10:57am · droppingStrike window: 3:14–4:34pm · risingIdeal tide: mid
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
6am
9am
12pm
3pm
6pm
°C
8°
8°
9°
9°
7°
5°
6°
9°
8°
5°
5°
6°
9°
8°
1°
6°
6°
6°
7°
5°
4°
5°
6°
5°
5°
5°
7°
7°
8°
8°
7°
7°
7°
7°
6°
3°
4°
6°
7°
7°
7°
6°
6°
5°
5°
5°
6°
7°
7°
7°
3m1.5
sec
9s
9s
9s
9s
9s
8s
8s
8s
11s
10s
10s
10s
10s
10s
10s
8s
6s
8s
8s
8s
11s
9s
9s
9s
9s
7s
7s
8s
8s
8s
8s
8s
8s
8s
7s
8s
8s
9s
8s
10s
10s
8s
9s
8s
10s
11s
11s
11s
11s
11s
swell
windkm/h
10g14
9g12
9g13
8g12
8g10
8g12
8g11
2g5
5g8
8g12
4g6
1g2
5g8
7g10
2g3
11g18
13g21
14g22
20g34
22g36
22g37
24g41
24g41
23g40
21g35
14g23
22g35
30g49
33g54
34g55
30g48
29g46
30g62
21g62
12g53
5g18
12g25
20g35
21g45
30g52
29g58
30g57
28g53
23g52
21g49
17g36
26g54
37g71
29g67
25g61
tidem
12:50am0.0m
7:03am2.9m
1:06pm0.2m
7:12pm3.0m
1:25am0.1m
7:37am3.0m
1:44pm0.2m
7:51pm3.0m
2:00am0.2m
8:08am3.0m
2:18pm0.3m
8:27pm3.0m
2:33am0.4m
8:42am3.1m
2:55pm0.5m
8:56pm2.9m
3:07am0.4m
9:12am2.8m
3:31pm0.3m
9:37pm2.6m
3:38am0.5m
9:49am2.7m
4:07pm0.5m
10:16pm2.5m
4:10am0.7m
10:32am2.6m
4:43pm0.7m
4:42am1.0m
11:18am2.8m
5:30pm1.1m
5:22am1.4m
12:12pm2.8m
6:48pm1.4m
Ideal tide (from tide preference)Strike windowNight

Tide times today

12:50 am
Low · 0.00m
7:03 am
High · 2.88m
1:06 pm
Low · 0.21m
7:12 pm
High · 2.96m
Times shown in spot-local time.

Strike Score Breakdown

41
Poor
Components
Swell Direction15/25
Swell Size3/25
Swell Period6/25
Wind20/25
Raw Score44/100
Adjustments
✨ Wind History+6
📉 Undersized Swell-9
🚫 Undersized Capmax 44
Adjusted Score41/100
Confidence
Multiplier×1.00
Final Score41
✨ Groomed

Plan Your Strike

Return flights to KOI, departing today with a 5-day trip window.

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Swell Requirements

Optimal direction
WNW (300°)
Direction range
260° - 340°
Size range
1m - 2.5m
Ideal size
1.7m - 2.1m
Height multiplier
1.00×
Ideal period
13s+

Wind Requirements

Optimal direction
E (100°)
Offshore range
70° - 140°

Tide Requirements

Optimal tide
mid

Water temp

9°C

Wetsuit

6/5mm + boots, gloves, hood

Difficulty

7/10

Crowd level

1/10

Frequently Asked Questions

What kind of wave is Marwick Bay?

Marwick Bay is a reef break in Orkney Islands, UK, that mostly breaks right.

What swell works best at Marwick Bay?

Marwick Bay picks up swell from the W round to the NNW, and it's best when it's coming straight out of the WNW. It starts working at around 1m and handles up to about 2.5m, with the sweet spot around 1.7 to 2.1m. Period matters too: aim for 13s or longer, as anything under 9s tends to be weak. These are the numbers our scoring uses, so treat them as a guide rather than a promise.

What wind is offshore at Marwick Bay?

An E wind is dead offshore at Marwick Bay, and anything from the ENE round to the SE keeps it clean. The morning is typically the best window, roughly 6am to 11am. Light winds from other directions can still be fine; strong offshores can make it hard to get into waves.

What tide is best at Marwick Bay?

Marwick Bay is at its best around mid tide.

When is the best time of year to surf Marwick Bay?

The most reliable run of swell at Marwick Bay comes Sep to Feb. There's a second window in Mar too.

How cold is the water at Marwick Bay?

The water at Marwick Bay averages around 9°C, so you'll want a 6/5mm with boots, gloves and a hood. It shifts a few degrees through the year, so check the season before you pack.

Is Marwick Bay good for beginners?

Not really. It's rated 7/10 for difficulty and suits experienced surfers. The lineup is usually quiet (crowd 1/10). Heavy reef. Strong currents. Extremely cold water. Remote.

How do I get to Marwick Bay?

The nearest airport on our list is KOI, then it's roughly a 35-minute drive.

What other surf spots are near Marwick Bay?

The closest breaks we track are Skara Brae (3.9 km), Gills Bay Slab (50 km) and Dunnet Bay (50 km), handy when Marwick Bay isn't working. Fun fact: it's the most northerly break we track in UK.

Best Season

Peak: Sep, Oct, Nov, Dec, Jan, Feb

Secondary: Mar

Getting There

Airport
KOI
Drive time
35 min
Data quality
verified

Strike Log

Community Discussion