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Castlerock

★★★★★Firing
Beach break Faces N all tides Offshore south Best swell north

Best of the week: Wednesday around 06:00, 5–7 ft and offshore.

Surf now4–6ft1.4 m at 11 s from the NW, wind sea 1.6 m from the SW
Wind25mphSW · offshore · gusts 46
Tide 2.1mFalling · low 00:53 (0.4 m). Works all tides.

Seven days

best session each day · swipe
Sat
4–6 ft Swell SW 4s Wind 25 mph ★★★★★
Sun
19–25 ft Swell N 13s Wind 30 mph ★★★★★
Mon
5–7 ft Swell NW 10s Wind 10 mph ★★★★★
Tue
3–5 ft Swell NW 8s Wind 18 mph ★★★★★
Wed
5–7 ft Swell NW 9s Wind 14 mph ★★★★★
Thu
3–4 ft Swell NW 7s Wind 14 mph ★★★★★
Fri
0–1 ft Swell SE 3s Wind 9 mph ★★★★★
Sat 24 Sun 25 Mon 26 Tue 27 Wed 28 Thu 29 Fri 30
Time 19 06 09 12 15 18 06 09 12 15 18 06 09 12 15 18 06 09 12 15 18 06 09 12 15 18 06 09 12 15 18
Surf ft 4–6 20–26 18–24 16–22 13–18 11–15 5–7 4–6 3–4 2–3 2–3 2–3 4–6 5–7 7–10 9–12 5–7 5–7 5–7 4–6 4–6 3–4 2–3 2–3 2–3 1–2 0–1 0–1 0–1 0–1 0–1
Swell 4s 14s 13s 13s 12s 11s 10s 10s 10s 10s 10s 4s 12s 11s 11s 12s 9s 9s 8s 8s 8s 7s 7s 7s 7s 7s 3s 3s 3s 3s 3s
Wind mph 25 33 30 28 21 17 10 13 17 21 21 29 28 26 22 19 14 15 16 15 12 14 17 18 23 25 9 5 4 4 5
Tide m 2.2↓ 2.1↓ 1.3↓ 0.4↓ 1.4↑ 2.4↓ 2.2↑ 1.5↓ 0.4↓ 1.1↑ 2.4↑ 2.2↑ 1.8↓ 0.5↓ 0.8↑ 2.2↑ 2.0↑ 2.1↓ 0.9↓ 0.5↑ 1.8↑ 1.7↑ 2.2↓ 1.3↓ 0.5↓ 1.4↑ 1.3↑ 2.2↑ 1.7↓ 0.8↓ 1.0↑
Rating ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★ ★★★★★

Surf is the face height at the beach after the swell is filtered for the way Castlerock faces. Arrows point to where the swell and wind come from: an arrow pointing up means from the north. Tide is the height at Coleraine above chart datum, rising ↑ or falling ↓; the rating drops when the tide is outside the window this break works on. Amber marks the sessions worth setting an alarm for. From Wednesday the swell comes from Météo-France's 10-day model, which is coarser than the 5 km German model used close in. Hours no model reaches are left blank, not shown as flat.

Exposure

Castlerock faces north. Measured from the seabed, it is open to swell from W round to NE; the brighter a wedge, the deeper the water in that direction and the more of the swell gets in. Anything from behind the headlands scores nothing, however big the buoy says it is.

NESWfaces NNWSW
NW
1.4 m at 11 s (swell) · 100 % reaches the beach
SW
1.6 m at 4 s (wind sea) · 8 % reaches the beach

How Castlerock works

Swell
Best from the north.
Wind
Offshore is from the south; anything with north in it is onshore and messes it up.
Tide
all tides.

Tide times

  • Sun 00:53Low0.4 m
  • Sun 05:51High2.1 m
  • Sun 12:06Low0.4 m
  • Sun 17:59High2.3 m
  • Mon 00:23Low0.4 m
  • Mon 06:18High2.2 m
  • Mon 12:37Low0.4 m
  • Mon 18:31High2.4 m

Coleraine station, 9 km away. Heights above chart datum, UK time.

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