Mera 48 hour detailed Surf Forecast

Lat Long: 34.90° N 139.84° E

Issued: 8 am 09 Jul 2026 (local time)

Forecast update in hr min

Today's Mera sea temperature is

24.4° 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 (09 Jul):

Morning surf: Morning surf (09 Jul, local time) - 6.5ft (2.0m), 14s period with S swell.
Afternoon surf: Afternoon surf (09 Jul, local time) - 7ft (2.1m), 13s period with S swell.
Evening surf: Evening surf (09 Jul, local time) - 7ft (2.1m), 14s period with S swell.

The current surf forecast for Mera at 4PM is: 1.9m 13s primary swell from a South direction and 0.8m 8s secondary swell from a East direction (forecast issued at 08:00am July 09). The wind direction is predicted to be cross-onshore.

Time (JST) & Date	Wave Height	Wave Period
Morning (09 Jul)	6.5ft (2.0m)	14s
Afternoon (09 Jul)	7ft (2.1m)	13s
Evening (09 Jul)	7ft (2.1m)	14s

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

	Short Range Forecast Mostly dry. Warm (max 25°C on Thu afternoon, min 23°C on Thu night). Wind will be generally light.
	Thursday 9						Friday 10								Saturday 11								Sun 12
	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	6 PM	9 PM	12 AM	3 AM
Rating (10 max)	4	4	3	2	2	3	2	3	3	3	3	2	2	3	2	2	3	3	0	0	0	0	0	0
Swell Height Map See all maps
Wave Height (m) Direction Period (s)	SSE 14	S 14	SSE 14	S 13	SSE 13	S 14	S 14	S 14	S 14	S 16	S 16	SSW 16	S 16	SSW 16	SSW 17	SSW 17	SSW 17	SSW 17	SSW 17	SSW 17	SSW 17	SSW 17	SSW 17	SW 17
Wave Graph
kJ	1657	1576	1428	1584	1011	1822	1797	1411	1957	2768	3084	3017	2668	2028	4047	4449	5250	5446	5927	6015	6184	6033	6224	6037
Wind (km/h)	ESE	SE	SSE	SSE	S	S	S	SSW	S	SSW	S	S	S	S	SSW	SSW	SSW	SSW	S	SSW	SSW	SSW	SSW	SSW
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy	glassy	glassy	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	cross-on	on	on	on
High Tide				12:08PM1.09m			10:47PM1.35m					2:11PM1.17m			11:46PM1.37m						3:34PM1.28m			00:56AM1.41m
Low Tide	5:22AM0.49m				4:35PM0.92m					6:39AM0.35m				6:07PM1.06m				7:47AM0.20m				7:50PM1.12m


	4:33	—	—	—	—	—	—	4:33	—	—	—	—	—	—	—	4:35	—	—	—	—	—	—	—	4:35
	—	—	—	—	6:57	—	—	—	—	—	—	—	6:55	—	—	—	—	—	—	—	6:55	—	—	6:55
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Temp °C	23	24	24	25	25	24	24	23	23	24	25	25	25	24	24	24	24	24	25	25	25	24	24	24
Feels °C	26	28	26	26	27	26	26	26	26	27	27	26	26	26	26	26	26	25	26	25	25	24	24	25
Swell 1 Height (m) Direction Period (s)	SSE 14	S 14	SSE 14	S 13	SSE 13	S 14	S 14	S 14	S 14	S 16	S 16	SSW 16	S 16	SSW 16	SSW 17	SSW 17	SSW 17	SSW 17	SSW 17	SSW 17	SSW 17	SSW 17	SSW 17	SW 17
kJ	1657	1576	1428	1584	1011	1822	1797	1411	1957	2768	3084	3017	2668	2028	4047	4449	5250	5446	5927	6015	6184	6033	6224	6037
Swell 2 Height (m) Direction Period (s)	E 8	E 8	E 8	E 8	S 16	E 8	E 8	SSW 18	E 8	E 8	E 10	E 10	SSW 20	SSW 18	E 10	SE 11	E 9	E 9	E 9	E 9	E 9	E 9	E 9	E 9
kJ	98	98	76	78	488	90	88	677	84	64	90	94	1171	1431	65	117	61	60	60	61	41	42	60	60
Swell 3 Height (m) Direction Period (s)	—	E 8	S 18	E 8	E 8	—	E 8	E 8	E 8	—	—	—	ESE 10	SE 10	SE 10	E 9	—	—	—	—	—	—	SE 10	SE 10
kJ	—	95	390	80	90	—	84	86	84	—	—	—	100	108	85	62	—	—	—	—	—	—	35	36
Wind waves Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
kJ	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Nearest Offshore or Glassy	Mera Chiba	Mera Chiba	Uraga Point Kanagawa	Keta Reef Oshima Izu Islands	Ohara Chiba	Chigasaki Jetty Kanagawa	Chigasaki Jetty Kanagawa	Chigasaki Jetty Kanagawa	Chigasaki Jetty Kanagawa	Uraga Point Kanagawa	Ohara Chiba	Ohara Chiba	Ohara Chiba	Ohara Chiba	Ohara Chiba	Chigasaki Jetty Kanagawa	Chigasaki Jetty Kanagawa	Ohara Chiba	Ohara Chiba	Ohara Chiba	Ohara Chiba	Ohara Chiba	Chigasaki Jetty Kanagawa	Tsujido Beach Kanagawa
Rating (10 max)	4	4	4	3	4	3	3	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4
Distance (km)	0	0	36	47	64	61	61	61	61	36	64	64	64	64	64	61	61	64	64	64	64	64	61	60
Best forecast wave conditions in Chiba	Tsurigasaki Surfing Beach (Tokyo 2020)	Big Ben	Shida	Shida	Tsurigasaki Surfing Beach (Tokyo 2020)	Tsurigasaki Surfing Beach (Tokyo 2020)	Tsurigasaki Surfing Beach (Tokyo 2020)	Tsurigasaki Surfing Beach (Tokyo 2020)	Tsurigasaki Surfing Beach (Tokyo 2020)	Tsurigasaki Surfing Beach (Tokyo 2020)	Tsurigasaki Surfing Beach (Tokyo 2020)	Shida	Shida	Tsurigasaki Surfing Beach (Tokyo 2020)	Tsurigasaki Surfing Beach (Tokyo 2020)	Tsurigasaki Surfing Beach (Tokyo 2020)	Tsurigasaki Surfing Beach (Tokyo 2020)	Shida	Shida	Shida	Shida	Shida	Shida	Shida
Rating (10 max)	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4
Best forecast wave conditions in Japan	Kaifu Rivermouth Shikoku	Akabane Long Beach Shizuoka	Takegashima Shikoku	Takegashima Shikoku	Takegashima Shikoku	Kaifu Rivermouth Shikoku	Kaifu Rivermouth Shikoku	Kaifu Rivermouth Shikoku	Kaifu Rivermouth Shikoku	Omaezaki Shizuoka	Tsurigasaki Surfing Beach (Tokyo 2020) Chiba	Takegashima Shikoku	Hashikui Bay Shikoku	Takegashima Shikoku	Kaifu Rivermouth Shikoku	Kaifu Rivermouth Shikoku	Kaifu Rivermouth Shikoku	Suruga Bay Shizuoka	Hashikui Bay Shikoku	Osaki Point Shikoku	Yasuda Rivermouth Shikoku	Suruga Bay Shizuoka	Kaifu Rivermouth Shikoku	Kaifu Rivermouth Shikoku
Rating (10 max)	4	4	5	5	5	5	5	5	5	5	4	8	9	9	8	8	8	6	8	9	9	6	7	6
Header Global	Lucky Point Philippines	Lucky Point Philippines	Lucky Point Philippines	Haga-Haga South Africa	Papatowai New Zealand	Trial Harbour Australia	Trial Harbour Australia	Weld Road New Zealand	Boneyards South Africa	Barbel Point South Africa	Barbel Point South Africa	Barbel Point South Africa	Papatowai New Zealand	Papatowai New Zealand	Kaifu Rivermouth Japan	Kaifu Rivermouth Japan	Kaifu Rivermouth Japan	Papatowai New Zealand	Papatowai New Zealand	Papatowai New Zealand	Otago Peninsula - Allans Beach New Zealand	Supertubes Australia	Kaifu Rivermouth Japan	Kaifu Rivermouth Japan
Rating (10 max)	9	9	9	7	6	6	6	6	6	5	5	5	6	5	8	8	8	5	5	5	4	5	7	6

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

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Mera 48 hour detailed Surf Forecast

How big are the waves at Mera today (09 Jul):

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