22 (木)	01:30	07:38	12:41	19:16
	101cm	60cm	87cm	31cm
若潮 出 04:57 入 18:18 出 02:42 入 13:56

那珂湊（茨城）2055年04月22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
4/22 00:00	94.0	↑1.6
4/22 00:10	95.4	↑1.4
4/22 00:20	96.6	↑1.2
4/22 00:30	97.7	↑1.1
4/22 00:40	98.7	↑1.0
4/22 00:50	99.4	↑0.7
4/22 01:00	100.0	↑0.6
4/22 01:10	100.4	↑0.4
4/22 01:20	100.6	↑0.2	満潮
4/22 01:30	100.7	↑0.1	満潮
4/22 01:40	100.6	↓-0.1
4/22 01:50	100.3	↓-0.3
4/22 02:00	99.9	↓-0.4
4/22 02:10	99.3	↓-0.6
4/22 02:20	98.6	↓-0.7
4/22 02:30	97.8	↓-0.8
4/22 02:40	96.8	↓-1.0
4/22 02:50	95.7	↓-1.1
4/22 03:00	94.4	↓-1.3
4/22 03:10	93.1	↓-1.3
4/22 03:20	91.7	↓-1.4
4/22 03:30	90.2	↓-1.5
4/22 03:40	88.7	↓-1.5
4/22 03:50	87.0	↓-1.7
4/22 04:00	85.4	↓-1.6
4/22 04:10	83.6	↓-1.8
4/22 04:20	81.9	↓-1.7
4/22 04:30	80.2	↓-1.7
4/22 04:40	78.4	↓-1.8
4/22 04:50	76.7	↓-1.7
4/22 05:00	74.9	↓-1.8
4/22 05:10	73.3	↓-1.6
4/22 05:20	71.6	↓-1.7
4/22 05:30	70.1	↓-1.5
4/22 05:40	68.5	↓-1.6
4/22 05:50	67.1	↓-1.4
4/22 06:00	65.8	↓-1.3
4/22 06:10	64.6	↓-1.2
4/22 06:20	63.4	↓-1.2
4/22 06:30	62.4	↓-1.0
4/22 06:40	61.5	↓-0.9
4/22 06:50	60.8	↓-0.7
4/22 07:00	60.2	↓-0.6
4/22 07:10	59.7	↓-0.5
4/22 07:20	59.4	↓-0.3
4/22 07:30	59.2	↓-0.2	干潮
4/22 07:40	59.2	0
4/22 07:50	59.3	↑0.1
4/22 08:00	59.6	↑0.3
4/22 08:10	60.0	↑0.4
4/22 08:20	60.5	↑0.5
4/22 08:30	61.1	↑0.6
4/22 08:40	61.9	↑0.8
4/22 08:50	62.8	↑0.9
4/22 09:00	63.8	↑1.0
4/22 09:10	64.9	↑1.1
4/22 09:20	66.1	↑1.2
4/22 09:30	67.4	↑1.3
4/22 09:40	68.7	↑1.3
4/22 09:50	70.0	↑1.3
4/22 10:00	71.4	↑1.4
4/22 10:10	72.8	↑1.4
4/22 10:20	74.2	↑1.4
4/22 10:30	75.5	↑1.3
4/22 10:40	76.9	↑1.4
4/22 10:50	78.2	↑1.3
4/22 11:00	79.4	↑1.2
4/22 11:10	80.6	↑1.2
4/22 11:20	81.7	↑1.1
4/22 11:30	82.7	↑1.0
4/22 11:40	83.6	↑0.9
4/22 11:50	84.4	↑0.8
4/22 12:00	85.0	↑0.6
4/22 12:10	85.5	↑0.5
4/22 12:20	85.9	↑0.4
4/22 12:30	86.1	↑0.2
4/22 12:40	86.2	↑0.1	満潮
4/22 12:50	86.1	↓-0.1
4/22 13:00	85.9	↓-0.2
4/22 13:10	85.5	↓-0.4
4/22 13:20	85.0	↓-0.5
4/22 13:30	84.3	↓-0.7
4/22 13:40	83.4	↓-0.9
4/22 13:50	82.4	↓-1.0
4/22 14:00	81.3	↓-1.1
4/22 14:10	80.0	↓-1.3
4/22 14:20	78.6	↓-1.4
4/22 14:30	77.0	↓-1.6
4/22 14:40	75.4	↓-1.6
4/22 14:50	73.6	↓-1.8
4/22 15:00	71.7	↓-1.9
4/22 15:10	69.8	↓-1.9
4/22 15:20	67.8	↓-2.0
4/22 15:30	65.7	↓-2.1
4/22 15:40	63.5	↓-2.2
4/22 15:50	61.3	↓-2.2
4/22 16:00	59.1	↓-2.2
4/22 16:10	56.9	↓-2.2
4/22 16:20	54.7	↓-2.2
4/22 16:30	52.5	↓-2.2
4/22 16:40	50.3	↓-2.2
4/22 16:50	48.1	↓-2.2
4/22 17:00	46.0	↓-2.1
4/22 17:10	44.0	↓-2.0
4/22 17:20	42.1	↓-1.9
4/22 17:30	40.3	↓-1.8
4/22 17:40	38.6	↓-1.7
4/22 17:50	37.0	↓-1.6
4/22 18:00	35.5	↓-1.5
4/22 18:10	34.2	↓-1.3
4/22 18:20	33.1	↓-1.1
4/22 18:30	32.1	↓-1.0
4/22 18:40	31.3	↓-0.8
4/22 18:50	30.7	↓-0.6
4/22 19:00	30.3	↓-0.4
4/22 19:10	30.1	↓-0.2	干潮
4/22 19:20	30.1	0
4/22 19:30	30.3	↑0.2
4/22 19:40	30.8	↑0.5
4/22 19:50	31.4	↑0.6
4/22 20:00	32.2	↑0.8
4/22 20:10	33.3	↑1.1
4/22 20:20	34.6	↑1.3
4/22 20:30	36.0	↑1.4
4/22 20:40	37.7	↑1.7
4/22 20:50	39.5	↑1.8
4/22 21:00	41.5	↑2.0
4/22 21:10	43.7	↑2.2
4/22 21:20	46.0	↑2.3
4/22 21:30	48.4	↑2.4
4/22 21:40	51.0	↑2.6
4/22 21:50	53.6	↑2.6
4/22 22:00	56.4	↑2.8
4/22 22:10	59.2	↑2.8
4/22 22:20	62.1	↑2.9	最大潮位差
4/22 22:30	65.0	↑2.9	最大潮位差
4/22 22:40	67.9	↑2.9	最大潮位差
4/22 22:50	70.8	↑2.9	最大潮位差
4/22 23:00	73.7	↑2.9	最大潮位差
4/22 23:10	76.5	↑2.8
4/22 23:20	79.3	↑2.8
4/22 23:30	82.0	↑2.7
4/22 23:40	84.7	↑2.7
4/22 23:50	87.2	↑2.5