18 (火)	05:00	00:03	20:30	12:44
	125cm	99cm	118cm	1cm
中潮 出 04:21 入 18:59 出 22:39 入 07:58 潮干狩り ◎ 10:20～15:14

那珂湊（茨城）2041年06月18日の10分毎の潮の高低差を確認できます。
また1日の潮の高低差が1番大きい（潮の流れが大きい）時間に「最大潮位差」と明記してます。

時刻	潮位	高低差	各ポイント
6/18 00:00	98.6	↓-0.1	干潮
6/18 00:10	98.6	0
6/18 00:20	98.8	↑0.2
6/18 00:30	99.1	↑0.3
6/18 00:40	99.6	↑0.5
6/18 00:50	100.1	↑0.5
6/18 01:00	100.8	↑0.7
6/18 01:10	101.6	↑0.8
6/18 01:20	102.6	↑1.0
6/18 01:30	103.6	↑1.0
6/18 01:40	104.7	↑1.1
6/18 01:50	105.8	↑1.1
6/18 02:00	107.1	↑1.3
6/18 02:10	108.3	↑1.2
6/18 02:20	109.6	↑1.3
6/18 02:30	111.0	↑1.4
6/18 02:40	112.3	↑1.3
6/18 02:50	113.7	↑1.4
6/18 03:00	115.0	↑1.3
6/18 03:10	116.3	↑1.3
6/18 03:20	117.5	↑1.2
6/18 03:30	118.7	↑1.2
6/18 03:40	119.8	↑1.1
6/18 03:50	120.9	↑1.1
6/18 04:00	121.8	↑0.9
6/18 04:10	122.7	↑0.9
6/18 04:20	123.4	↑0.7
6/18 04:30	123.9	↑0.5
6/18 04:40	124.3	↑0.4
6/18 04:50	124.6	↑0.3	満潮
6/18 05:00	124.7	↑0.1	満潮
6/18 05:10	124.6	↓-0.1
6/18 05:20	124.3	↓-0.3
6/18 05:30	123.8	↓-0.5
6/18 05:40	123.1	↓-0.7
6/18 05:50	122.1	↓-1.0
6/18 06:00	121.0	↓-1.1
6/18 06:10	119.6	↓-1.4
6/18 06:20	117.9	↓-1.7
6/18 06:30	116.1	↓-1.8
6/18 06:40	114.0	↓-2.1
6/18 06:50	111.7	↓-2.3
6/18 07:00	109.1	↓-2.6
6/18 07:10	106.3	↓-2.8
6/18 07:20	103.3	↓-3.0
6/18 07:30	100.1	↓-3.2
6/18 07:40	96.7	↓-3.4
6/18 07:50	93.1	↓-3.6
6/18 08:00	89.4	↓-3.7
6/18 08:10	85.5	↓-3.9
6/18 08:20	81.4	↓-4.1
6/18 08:30	77.2	↓-4.2
6/18 08:40	73.0	↓-4.2
6/18 08:50	68.7	↓-4.3
6/18 09:00	64.3	↓-4.4	最大潮位差
6/18 09:10	59.9	↓-4.4	最大潮位差
6/18 09:20	55.5	↓-4.4	最大潮位差
6/18 09:30	51.1	↓-4.4	最大潮位差
6/18 09:40	46.8	↓-4.3
6/18 09:50	42.5	↓-4.3
6/18 10:00	38.4	↓-4.1
6/18 10:10	34.3	↓-4.1
6/18 10:20	30.4	↓-3.9
6/18 10:30	26.7	↓-3.7
6/18 10:40	23.2	↓-3.5
6/18 10:50	19.9	↓-3.3
6/18 11:00	16.8	↓-3.1
6/18 11:10	13.9	↓-2.9
6/18 11:20	11.3	↓-2.6
6/18 11:30	9.0	↓-2.3
6/18 11:40	7.0	↓-2.0
6/18 11:50	5.2	↓-1.8
6/18 12:00	3.8	↓-1.4
6/18 12:10	2.6	↓-1.2
6/18 12:20	1.8	↓-0.8
6/18 12:30	1.2	↓-0.6
6/18 12:40	1.0	↓-0.2	干潮
6/18 12:50	1.1	↑0.1
6/18 13:00	1.5	↑0.4
6/18 13:10	2.1	↑0.6
6/18 13:20	3.1	↑1.0
6/18 13:30	4.3	↑1.2
6/18 13:40	5.8	↑1.5
6/18 13:50	7.6	↑1.8
6/18 14:00	9.6	↑2.0
6/18 14:10	11.9	↑2.3
6/18 14:20	14.3	↑2.4
6/18 14:30	17.0	↑2.7
6/18 14:40	19.9	↑2.9
6/18 14:50	23.0	↑3.1
6/18 15:00	26.2	↑3.2
6/18 15:10	29.6	↑3.4
6/18 15:20	33.1	↑3.5
6/18 15:30	36.7	↑3.6
6/18 15:40	40.5	↑3.8
6/18 15:50	44.3	↑3.8
6/18 16:00	48.2	↑3.9
6/18 16:10	52.1	↑3.9
6/18 16:20	56.0	↑3.9
6/18 16:30	60.0	↑4.0
6/18 16:40	63.9	↑3.9
6/18 16:50	67.9	↑4.0
6/18 17:00	71.7	↑3.8
6/18 17:10	75.6	↑3.9
6/18 17:20	79.3	↑3.7
6/18 17:30	82.9	↑3.6
6/18 17:40	86.4	↑3.5
6/18 17:50	89.8	↑3.4
6/18 18:00	93.1	↑3.3
6/18 18:10	96.1	↑3.0
6/18 18:20	99.0	↑2.9
6/18 18:30	101.7	↑2.7
6/18 18:40	104.2	↑2.5
6/18 18:50	106.5	↑2.3
6/18 19:00	108.6	↑2.1
6/18 19:10	110.5	↑1.9
6/18 19:20	112.1	↑1.6
6/18 19:30	113.5	↑1.4
6/18 19:40	114.7	↑1.2
6/18 19:50	115.7	↑1.0
6/18 20:00	116.4	↑0.7
6/18 20:10	116.9	↑0.5
6/18 20:20	117.1	↑0.2	満潮
6/18 20:30	117.2	↑0.1	満潮
6/18 20:40	117.1	↓-0.1
6/18 20:50	116.8	↓-0.3
6/18 21:00	116.3	↓-0.5
6/18 21:10	115.7	↓-0.6
6/18 21:20	114.9	↓-0.8
6/18 21:30	114.0	↓-0.9
6/18 21:40	113.0	↓-1.0
6/18 21:50	111.9	↓-1.1
6/18 22:00	110.8	↓-1.1
6/18 22:10	109.6	↓-1.2
6/18 22:20	108.3	↓-1.3
6/18 22:30	107.1	↓-1.2
6/18 22:40	105.8	↓-1.3
6/18 22:50	104.6	↓-1.2
6/18 23:00	103.4	↓-1.2
6/18 23:10	102.3	↓-1.1
6/18 23:20	101.2	↓-1.1
6/18 23:30	100.2	↓-1.0
6/18 23:40	99.3	↓-0.9
6/18 23:50	98.5	↓-0.8