Mera 48 hour detailed Surf Forecast

Lat Long: 34.90° N 139.84° E

Issued: 8 pm 15 Jul 2026 (local time)

Forecast update in hr min

Today's Mera sea temperature is

25.4° C

Mera surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Surf Forecasts:

How big are the waves at Mera today (16 Jul):

Morning surf: Morning surf (16 Jul, local time) - 2.5ft (0.8m), 9s period with E swell.
Afternoon surf: Afternoon surf (16 Jul, local time) - 2.5ft (0.8m), 8s period with E swell.
Evening surf: Evening surf (16 Jul, local time) - 2.5ft (0.8m), 9s period with E swell.

The current surf forecast for Mera at 1AM is: 1.2m 9s primary swell from a South-southwest direction and 0.7m 9s secondary swell from a East direction, 0.3m 9s secondary swell from a Southeast direction (forecast issued at 08:00pm July 15). The wind direction is predicted to be cross-onshore.

Time (JST) & Date	Wave Height	Wave Period
Morning (16 Jul)	2.5ft (0.8m)	9s
Afternoon (16 Jul)	2.5ft (0.8m)	8s
Evening (16 Jul)	2.5ft (0.8m)	9s

Table - waves today at Mera. (Swell directed towards the surf break)

	Short Range Forecast Some drizzle, heaviest during Fri morning. Warm (max 27°C on Wed night, min 25°C on Fri night). Wind will be generally light.
	Wed 15		Thursday 16								Friday 17								Saturday 18
	6 PM	9 PM	12 AM	3 AM	6 AM	9 AM	12 PM	3 PM	6 PM	9 PM	12 AM	3 AM	6 AM	9 AM	12 PM	3 PM	6 PM	9 PM	12 AM	3 AM	6 AM	9 AM	12 PM	3 PM
Rating (10 max)	0	0	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	0	0	0	0	0	0	0
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	SW 9	E 10	SSW 9	E 9	E 9	E 9	E 8	E 8	E 9	E 9	ESE 9	ESE 9	E 9	E 9	E 9	E 9	E 8	E 8	E 8	E 9	ESE 9	ESE 9	ESE 9	ESE 9
Wave Graph
kJ	67	68	213	78	95	93	91	89	103	101	129	126	95	93	95	95	115	91	89	71	129	135	177	181
Wind (km/h)	S	SSW	SSW	SSW	SSW	SW	S	S	S	S	SSE	SSE	SE	SSE	SSE	SE	SE	SE	SE	SE	SE	SE	SE	SSE
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	cross-on	cross-on	cross-on	cross-on	on	on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross	cross
High Tide		6:24PM1.48m			4:48AM1.58m					6:55PM1.46m			5:36AM1.55m					7:24PM1.44m				6:24AM1.48m
Low Tide			11:25PM0.92m				11:56AM-0.07m					00:06AM0.84m				12:35PM0.04m				00:47AM0.76m				1:11PM0.19m


	—	—	—	4:37	—	—	—	—	—	—	—	4:37	—	—	—	—	—	—	—	4:39	—	—	—	—
	6:54	—	—	—	—	—	—	—	6:53	—	—	—	—	—	—	—	6:53	—	—	—	—	—	—	6:52
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	1	—	—	—	—	—	—	—	—	—	—
Temp °C	27	27	26	26	26	26	27	27	27	27	27	27	26	26	26	27	26	26	25	25	25	26	26	26
Feels °C	28	28	27	27	28	30	31	30	31	31	31	32	29	28	27	29	28	29	28	28	27	28	28	27
Swell 1 Height (m) Direction Period (s)	SW 9	E 10	E 9	E 9	E 9	SSW 5	E 8	E 8	E 9	E 9	ESE 9	ESE 9	E 9	E 9	E 9	E 9	E 8	E 8	E 8	E 9	ESE 9	ESE 9	SE 8	ESE 9
kJ	67	68	83	78	95	32	91	89	95	101	129	126	95	93	95	95	115	91	89	71	129	135	25	181
Swell 2 Height (m) Direction Period (s)	E 10	SW 9	SE 9	SW 9	SW 8	E 9	SSW 5	SE 10	SE 11	SW 8	SW 8	SW 8	SW 8	SW 8	SW 8	SW 8	SW 7	SW 7	SW 7	SW 7	SW 7	SW 7	SW 7	SE 8
kJ	44	40	13	38	35	93	25	16	18	63	61	60	58	46	35	35	34	27	26	25	25	18	17	24
Swell 3 Height (m) Direction Period (s)	SE 9	SE 9	SE 11	SE 9	SE 9	SW 8	SW 8	E 14	SE 10	SSE 4	SE 10	SE 10	SE 10	SE 10	SE 10	SE 8	SE 10	SE 9	SE 9	SE 10	SE 9	SE 9	SE 13	SW 7
kJ	19	13	5	13	13	35	34	4	16	6	16	15	14	15	15	18	14	14	14	14	26	27	7	17
Wind waves Height (m) Direction Period (s)	S 4	SSW 4	SSW 9	SSW 5	SSW 5	—	—	SSW 8	SSW 8	—	SSE 4	SE 4	SE 5	SE 5	SE 5	SE 5	SSE 4	SE 4	SE 4	SE 4	S 4	—	ESE 9	—
kJ	13	29	213	47	39	—	—	84	103	—	12	16	14	31	37	32	15	15	18	16	3	—	177	—
Nearest Offshore or Glassy	Ohara Chiba	Kisami-Ohama Beach Shizuoka	Kisami-Ohama Beach Shizuoka	Shida Chiba	Kisami-Ohama Beach Shizuoka	Ohara Chiba	Keta Reef Oshima Izu Islands	Ohara Chiba	Ohara Chiba	Ohara Chiba	Keta Reef Oshima Izu Islands	Keta Reef Oshima Izu Islands	Keta Reef Oshima Izu Islands	Keta Reef Oshima Izu Islands	Ohara Chiba	Osaki Point Shikoku	Ohara Chiba	Shida Chiba	Ohara Chiba	Keta Reef Oshima Izu Islands	Keta Reef Oshima Izu Islands	Keta Reef Oshima Izu Islands	Ohara Chiba	Ohara Chiba
Rating (10 max)	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	2	2
Distance (km)	64	88	88	70	88	64	47	64	64	64	47	47	47	47	64	544	64	70	64	47	47	47	64	64
Best forecast wave conditions in Chiba	Shida			Shida		Tsurigasaki Surfing Beach (Tokyo 2020)	Shida	Shida	Shida	Shida	Shida	Shida			Ohara		Shida	Shida	Shida	Shida	Shida	Shida	Ohara	Shida
Rating (10 max)	1			1		1	1	1	1	1	1	1			1		1	1	1	1	1	1	2	2
Best forecast wave conditions in Japan	Osaki Point Shikoku	Kaifu Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niijima - Habushiura Izu Islands	Curren's Point Kyu Shu	Susuki Shizuoka	Niijima - Habushiura Izu Islands	Niijima - Habushiura Izu Islands	Niijima - Habushiura Izu Islands	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Omaezaki Shizuoka	Kojima Kyu Shu	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Niyodo Rivermouth Shikoku	Ohara Chiba	Shida Chiba
Rating (10 max)	2	2	1	1	2	1	2	1	1	2	2	2	1	1	1	1	1	1	1	1	1	1	2	2
Header Global	Anawhata Road (Oaonui) New Zealand	Anawhata Road (Oaonui) New Zealand	Shipstern Bluff Australia	Shipstern Bluff Australia	Hell South Africa	Fish Boma South Africa	Boneyards South Africa	Boneyards South Africa	Dunedin - Bobs Beach New Zealand	Easter Reef Australia	Otago Peninsula - Allans Beach New Zealand	Easter Reef Australia	Easter Reef Australia	Easter Reef Australia	Easter Reef Australia	Papatowai New Zealand	Papatowai New Zealand	Catlins River Mouth New Zealand	Dunedin - Kuri Bush New Zealand	Dunedin - Kuri Bush New Zealand	Dunedin - Cob Cottage New Zealand	Otago Peninsula - Papanui Beach New Zealand	Papatowai New Zealand	Dinner Plates New Zealand
Rating (10 max)	5	5	9	5	5	5	5	5	8	5	5	5	6	6	6	8	9	6	6	6	5	7	9	8

Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)

Latest Updates

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Mera 48 hour detailed Surf Forecast

How big are the waves at Mera today (16 Jul):

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