M2 wave buoy daily means for Oct 2023

Daily means from the M2 wave buoy for Oct 2023, including available wave height, period, direction, wind and sea temperature data.

Last observation shown Tue, Oct 31, 2023, 23:00

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

Monthly means for 2023

Period Summary

Hog Says

731 wave-buoy observations covered all 31 days. Typical wave height was 4.2 ft (10th–90th percentile 1.9–6.9 ft), while mean peak wave period was 5.9 seconds (10th–90th percentile 3.8–8.3 seconds). Typical wind was 17.2 mph (10th–90th percentile 9–24.5 mph) and mean water temperature was 15.2°C (10th–90th percentile 14.8–15.5°C). 3 of 4,386 checked values (0.1%) were excluded by quality control. Across 13 comparable years, mean wave height was above the same-month mean of 4.3 ft and mean wave period was above the same-month mean of 5.7 seconds.

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

Typical Significant Wave Height

4.2ft

Mean: 4.4 ft

P10–P90: 1.9 — 6.9 ft

Recorded extremes

1.2 — 15.8 ft

Mean Observed Wave Period

5.9secs

P10–P90: 3.8 — 8.3secs

Recorded extremes

2.5 — 12.5secs

Available for 728 of 731 hourly samples

Typical Observed Wind

S, 17.2mph

Mean: 17.1 mph

P10–P90: 9 — 24.5 mph

Recorded extremes

1.7 — 37.7 mph

Circular concentration: 35%

Mean Water Temperature

15.2°C

P10–P90: 14.8 — 15.5°C

Recorded extremes

14.3 — 16°C

Compared With Previous Octobers

Historical baseline from 8,914 observations across 13 years.

Wave Height: 4.4ft; 0.1ft above mean; Historical mean 4.331ft
Wave Period: 5.9s; 0.2s above mean; Historical mean 5.7s
Water Temperature: 15.2°C; 1°C above mean; Historical mean 14.2°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 2023Last observation shown Oct 2023
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)	4	2	4	5	7	6	5	4	2	5	3	2	3	5	3	2	5	9	5	8	6	2	5	5	2	4	3	5	6	5	5
Mean maximum wave height (ft)	7	4	6	7	11	10	8	7	4	8	6	3	5	8	5	4	9	14	8	14	11	3	7	9	4	6	5	8	10	8	8
Mean peak period (s)	7	5	4	5	7	6	6	5	4	6	5	4	5	5	5	4	6	7	7	9	6	6	5	6	6	7	7	6	6	8	6
Mean zero-crossing period (s)	5	4	4	4	5	5	4	4	4	4	4	4	4	4	4	4	4	6	5	6	5	4	4	4	4	4	4	5	5	5	5
Mean peak wave direction	Sconcentration 97%	Sconcentration 91%	WSWconcentration 98%	SSWconcentration 91%	Sconcentration 100%	Sconcentration 100%	Sconcentration 100%	Sconcentration 99%	Sconcentration 99%	Sconcentration 99%	Variableconcentration 13%	NEconcentration 41%	WNWconcentration 57%	NWconcentration 92%	NNEconcentration 59%	SSEconcentration 92%	Econcentration 88%	ENEconcentration 96%	Econcentration 56%	ESEconcentration 44%	NNEconcentration 81%	WSWconcentration 57%	SEconcentration 89%	SEconcentration 93%	ENEconcentration 57%	Sconcentration 98%	SSEconcentration 96%	SSEconcentration 93%	SEconcentration 87%	ESEconcentration 41%	ENEconcentration 80%
Mean wave direction	Sconcentration 98%	Sconcentration 95%	WSWconcentration 98%	SSWconcentration 97%	Sconcentration 100%	Sconcentration 100%	Sconcentration 100%	Sconcentration 100%	Sconcentration 99%	Sconcentration 99%	Variableconcentration 16%	ENEconcentration 41%	WNWconcentration 62%	NWconcentration 98%	NNEconcentration 68%	SEconcentration 96%	Econcentration 94%	Econcentration 99%	ESEconcentration 79%	ESEconcentration 64%	NNEconcentration 80%	WSWconcentration 67%	SEconcentration 97%	SEconcentration 97%	Econcentration 86%	SSEconcentration 99%	SSEconcentration 98%	SSEconcentration 98%	SSEconcentration 92%	ESEconcentration 81%	ENEconcentration 87%
Mean directional spread (°)	127.1	177.5	195.5	169.6	103.9	98.9	107.1	175.4	148.0	141.6	187.2	217.0	161.6	179.4	202.9	189.6	153.5	104.9	134.0	85.4	139.1	137.6	194.5	198.0	178.8	152.0	152.2	174.4	149.9	138.2	174.1
Mean wind direction	SSWconcentration 96%	SWconcentration 91%	Wconcentration 98%	SWconcentration 98%	SSWconcentration 99%	SSWconcentration 99%	Sconcentration 97%	SSWconcentration 97%	Sconcentration 98%	SSWconcentration 96%	NNWconcentration 65%	Variableconcentration 20%	WNWconcentration 69%	WNWconcentration 98%	Nconcentration 59%	SEconcentration 95%	Econcentration 99%	Econcentration 98%	SEconcentration 88%	ENEconcentration 90%	NNWconcentration 81%	WSWconcentration 59%	ESEconcentration 99%	ESEconcentration 93%	Econcentration 92%	SSEconcentration 91%	SSEconcentration 90%	SEconcentration 89%	SSEconcentration 69%	SSEconcentration 90%	SSWconcentration 45%
Mean wind speed (mph)	14	13	20	20	25	22	17	16	14	18	14	9	18	21	10	13	20	28	16	23	21	11	21	19	12	18	15	19	19	12	12
Mean water temperature(°C)	15.8	15.8	15.7	15.5	15.5	15.2	15.0	15.0	15.0	15.0	15.0	14.9	14.8	14.8	14.8	14.8	14.8	14.8	15.0	15.3	15.4	15.3	15.4	15.4	15.4	15.3	15.1	15.0	15.0	15.2	15.1

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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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