M2 wave buoy daily means for Oct 2015

Daily means from the M2 wave buoy for Oct 2015, including available wave height, period, direction, wind and sea temperature data.

Last observation shown Sat, Oct 31, 2015, 23:00

Data available: Thu, May 3, 2001 to Sat, Aug 22, 2026

Monthly means for 2015

Period Summary

Hog Says

745 wave-buoy observations covered all 31 days. Typical wave height was 2.4 ft (10th–90th percentile 1.2–6 ft), while mean peak wave period was 5.4 seconds (10th–90th percentile 3.3–9.3 seconds). Typical wind was 13.1 mph (10th–90th percentile 6.6–24.2 mph) and mean water temperature was 14°C (10th–90th percentile 13.7–14.3°C). 6 of 4,469 checked values (0.1%) were excluded by quality control. Across 5 comparable years, mean wave height was below the same-month mean of 4.4 ft and mean wave period was below the same-month mean of 5.6 seconds.

Generated only from the observations and comparisons shown on this page.

Typical Significant Wave Height

2.4ft

Mean: 3.1 ft

P10–P90: 1.2 — 6 ft

Recorded extremes

0.4 — 10.3 ft

Mean Observed Wave Period

5.4secs

P10–P90: 3.3 — 9.3secs

Recorded extremes

2.1 — 12.7secs

Available for 739 of 745 hourly samples

Typical Observed Wind

Variable, 13.1mph

Mean: 14.3 mph

P10–P90: 6.6 — 24.2 mph

Recorded extremes

0.5 — 35.2 mph

Circular concentration: 19%

Available for 744 of 745 hourly samples

Mean Water Temperature

14°C

P10–P90: 13.7 — 14.3°C

Recorded extremes

13.6 — 14.9°C

Compared With Previous Octobers

Historical baseline from 3,027 observations across 5 years.

Wave Height: 3.1ft; 1.3ft below mean; Historical mean 4.429ft
Wave Period: 5.4s; 0.2s below mean; Historical mean 5.6s
Water Temperature: 14°C; In line with the historical mean; Historical mean 14°C

Show 10th–90th percentile ranges

About M2 wave buoy

M2 (WMO 62091) is part of the Irish Marine Data Buoy Observation Network, managed by the Marine Institute in collaboration with Met Éireann. Moored in the Irish Sea east of Ireland, it provides open-water context for the busy, relatively enclosed waters between the Irish and British coasts.

Its current data source reports wave height, wave period, wave direction, directional spread, wind conditions and sea temperature.

M2 wave buoy daily means Oct 2015Last observation shown Oct 2015
Metric	Oct 1	Oct 2	Oct 3	Oct 4	Oct 5	Oct 6	Oct 7	Oct 8	Oct 9	Oct 10	Oct 11	Oct 12	Oct 13	Oct 14	Oct 15	Oct 16	Oct 17	Oct 18	Oct 19	Oct 20	Oct 21	Oct 22	Oct 23	Oct 24	Oct 25	Oct 26	Oct 27	Oct 28	Oct 29	Oct 30	Oct 31
Mean significant wave height (ft)	2	1	1	1	6	3	4	2	2	2	2	3	3	1	1	2	2	2	2	2	4	4	4	6	4	7	5	3	6	4	4
Mean maximum wave height (ft)	3	1	2	1	9	5	6	3	3	2	3	5	4	1	1	2	3	3	2	3	6	6	6	8	6	11	7	4	8	6	6
Mean peak period (s)	4	4	4	4	7	10	8	8	4	4	7	7	5	4	4	4	4	4	4	4	5	5	5	6	5	7	6	6	8	6	8
Mean zero-crossing period (s)	3	3	3	3	5	5	5	4	4	4	4	4	4	3	3	3	4	3	3	3	4	4	4	5	4	5	5	4	5	4	5
Mean peak wave direction	ENEconcentration 97%	NNEconcentration 43%	NNEconcentration 89%	SEconcentration 56%	ESEconcentration 69%	Sconcentration 100%	SSWconcentration 43%	Sconcentration 96%	Sconcentration 99%	SEconcentration 83%	ESEconcentration 65%	Nconcentration 40%	NEconcentration 93%	ESEconcentration 79%	ENEconcentration 88%	NEconcentration 95%	NEconcentration 90%	NEconcentration 96%	NEconcentration 69%	Wconcentration 76%	SWconcentration 85%	Wconcentration 79%	SSWconcentration 86%	WSWconcentration 59%	SSWconcentration 85%	SSEconcentration 97%	ESEconcentration 69%	SSEconcentration 94%	Sconcentration 100%	SSEconcentration 96%	Sconcentration 100%
Mean wave direction	ENEconcentration 99%	NEconcentration 78%	Nconcentration 96%	SEconcentration 79%	SEconcentration 76%	Sconcentration 100%	Wconcentration 66%	SSWconcentration 97%	Sconcentration 100%	SEconcentration 91%	ESEconcentration 92%	NNEconcentration 52%	NEconcentration 93%	ESEconcentration 97%	Econcentration 97%	NEconcentration 98%	NEconcentration 98%	NEconcentration 98%	NEconcentration 70%	Wconcentration 88%	SWconcentration 95%	Wconcentration 85%	Sconcentration 90%	WSWconcentration 71%	SSWconcentration 87%	SSEconcentration 99%	SEconcentration 87%	SSEconcentration 98%	Sconcentration 99%	SSEconcentration 99%	Sconcentration 100%
Mean directional spread (°)	31.3	37.3	29.8	32.4	26.8	18.0	22.4	27.2	24.2	33.1	24.1	23.7	31.2	37.3	29.9	33.1	29.9	31.8	30.3	25.0	26.3	32.6	23.8	25.5	25.7	25.4	38.3	29.1	22.6	26.0	21.7
Mean wind direction	ENEconcentration 95%	Nconcentration 87%	NNWconcentration 81%	SSEconcentration 64%	SEconcentration 72%	Variableconcentration 29%	WNWconcentration 94%	SWconcentration 84%	Sconcentration 94%	ESEconcentration 93%	Econcentration 73%	Nconcentration 96%	ENEconcentration 87%	ESEconcentration 90%	ENEconcentration 84%	NEconcentration 97%	ENEconcentration 98%	ENEconcentration 95%	NEconcentration 37%	Wconcentration 85%	WSWconcentration 91%	Wconcentration 95%	SSWconcentration 96%	WSWconcentration 80%	SSWconcentration 88%	SSEconcentration 97%	SEconcentration 76%	SSEconcentration 99%	SSWconcentration 80%	SSEconcentration 95%	Sconcentration 81%
Mean wind speed (mph)	9	8	11	11	22	10	18	12	12	11	6	16	11	9	9	10	13	11	9	14	19	19	21	23	20	25	14	17	18	18	14
Mean water temperature(°C)	14.2	14.2	14.2	14.2	14.2	14.4	14.3	14.2	14.3	14.3	14.3	14.2	14.2	14.2	14.1	14.1	14.1	14.0	13.9	13.9	13.9	13.9	13.8	13.7	13.7	13.7	13.7	13.7	13.8	13.7	13.8

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The observation data displayed on this page is from the Met Éireann Irish Marine Data Buoy Observation Network.

Learn how SurfHog combines, checks and summarizes observations in the data and methodology notes.

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