Eddystone Reef scuba diving weather

Boat dive · Plymouth, Devon · Show on map

Now · 15:00Good

73out of 100

Good conditions. Steady until sunset.

Waves: 1.0 m
Wind: 14 kn from SSE; gusts 19
Water: 15 °C; same down to ~47 m
Suit: 7 mm + hood; whole dive

Tide High ~20:09 · Low ~02:21 · Bigger tides · approximate

Hour by hour today

Tap an hour to see it above

Score	Waves	Wind (gusts)	Current	Swell	Tide	Water	Air	Rain	Limited by
73	1.0 m	14 (19 kn) ↓	0.7 kn	0.7 m · 10 s ↓	↑ rising	14.6 °C	12 °C	–	waves
69	1.0 m	16 (21 kn) ↓	0.5 kn	0.7 m · 9 s ↓	↑ rising	14.5 °C	12 °C	–	waves
70	1.0 m	16 (21 kn) ↓	0.4 kn	0.7 m · 9 s ↓	↑ rising	14.5 °C	12 °C	–	waves
70	1.0 m	16 (21 kn) ↓	0.3 kn	0.7 m · 9 s ↓	↑ rising	14.5 °C	12 °C	–	waves
72	1.0 m	15 (21 kn) ↓	0.3 kn	0.7 m · 9 s ↓	↑ rising	14.5 °C	12 °C	–	waves
77	1.0 m	15 (20 kn) ↓	0.4 kn	0.6 m · 9 s ↓	High ~20:09	14.5 °C	12 °C	–	waves
78	1.0 m	14 (19 kn) ↓	0.3 kn	0.6 m · 9 s ↓	↓ falling	14.5 °C	11 °C	–	waves

Waves and swell are adjusted for this site's shelter from the coastline. Arrows point where the wind and swell go. Night hours are shaded. Tide times come from an ocean model: usually within about half an hour, more in complex waters. Check official tide tables.

Water at depth

15 °C down to about 47 m. No thermocline above that.

Suit: 7 mm with hood, or drysuit for the whole dive.

Model estimate (Copernicus Marine), updated Sat 14 Nov. High confidence.

Temperature profile and next days

Day	Surface	Warm to
Sat 14 Nov	14.5 °C	~47 m
Sun 15 Nov	14.4 °C	~47 m
Mon 16 Nov	14.4 °C	~47 m
Tue 17 Nov	14.3 °C	~47 m
Wed 18 Nov	14.4 °C	~47 m
Thu 19 Nov	14.4 °C	~47 m
Fri 20 Nov	14.2 °C	~47 m
Sat 21 Nov	14.1 °C	~47 m
Sun 22 Nov	14.0 °C	~47 m
Mon 23 Nov	14.0 °C	~47 m

~9 km model grid; nearest model water 1.9 km away. Daily averages; the thermocline can move several metres day to day.

Conditions at Eddystone Reef

Eddystone Reef is open to the sea from the NNE–NNW, so waves build there when the wind blows from those directions.

Over the next 7 days it's good or better on Sat and Sun and a no-go on Tue and Wed (waves). Thu and Fri are only a trend so far.

When it's rough here, try Fort Bovisand (20 km, sheltered from the NNE–SSE, NNW).

The water is 15 °C at the surface and stays warm past 47 m, so a 7 mm with hood, or drysuit suits most dives.

Shelter

Open to NNE–NNW. Waves and swell from there reach the site.

Computed from the OpenStreetMap coastline. Wind itself is not reduced by shelter.

Location

Open Eddystone Reef on the map50.1830, -4.2690

Nearby dive sites

Scores are today's best daylight hour.

About this forecast

Updated Sat 14 Nov, 15:30 · weather run 06Z 14 Nov · waves run 00Z 14 Nov

Waves are adjusted for this site's shelter from the coastline.

Tides come from a coarse ocean model. The range, and whether tides are bigger or smaller this week, are about right. Times are usually within about half an hour, but complex tides (the Solent, Portland, narrow straits) are poor. Slack water isn't in the score yet: plan with official tide tables and local advice.

Water temperature in Devon

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