14 (月)	01:08	07:09	12:14	18:59
	98cm	62cm	88cm	29cm
若潮 出 05:06 入 18:12 出 02:18 入 13:32

那珂湊（茨城）2053年04月14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
4/14 00:00	94.2	↑1.2
4/14 00:10	95.2	↑1.0
4/14 00:20	96.0	↑0.8
4/14 00:30	96.7	↑0.7
4/14 00:40	97.3	↑0.6
4/14 00:50	97.6	↑0.3
4/14 01:00	97.8	↑0.2	満潮
4/14 01:10	97.8	0
4/14 01:20	97.7	↓-0.1
4/14 01:30	97.4	↓-0.3
4/14 01:40	97.0	↓-0.4
4/14 01:50	96.4	↓-0.6
4/14 02:00	95.7	↓-0.7
4/14 02:10	94.9	↓-0.8
4/14 02:20	93.9	↓-1.0
4/14 02:30	92.9	↓-1.0
4/14 02:40	91.7	↓-1.2
4/14 02:50	90.5	↓-1.2
4/14 03:00	89.1	↓-1.4
4/14 03:10	87.7	↓-1.4
4/14 03:20	86.3	↓-1.4
4/14 03:30	84.8	↓-1.5
4/14 03:40	83.3	↓-1.5
4/14 03:50	81.7	↓-1.6
4/14 04:00	80.2	↓-1.5
4/14 04:10	78.6	↓-1.6
4/14 04:20	77.0	↓-1.6
4/14 04:30	75.5	↓-1.5
4/14 04:40	74.0	↓-1.5
4/14 04:50	72.5	↓-1.5
4/14 05:00	71.1	↓-1.4
4/14 05:10	69.7	↓-1.4
4/14 05:20	68.5	↓-1.2
4/14 05:30	67.2	↓-1.3
4/14 05:40	66.1	↓-1.1
4/14 05:50	65.1	↓-1.0
4/14 06:00	64.2	↓-0.9
4/14 06:10	63.4	↓-0.8
4/14 06:20	62.7	↓-0.7
4/14 06:30	62.1	↓-0.6
4/14 06:40	61.7	↓-0.4
4/14 06:50	61.4	↓-0.3
4/14 07:00	61.2	↓-0.2	干潮
4/14 07:10	61.2	0
4/14 07:20	61.3	↑0.1
4/14 07:30	61.5	↑0.2
4/14 07:40	61.8	↑0.3
4/14 07:50	62.3	↑0.5
4/14 08:00	62.9	↑0.6
4/14 08:10	63.6	↑0.7
4/14 08:20	64.5	↑0.9
4/14 08:30	65.4	↑0.9
4/14 08:40	66.4	↑1.0
4/14 08:50	67.5	↑1.1
4/14 09:00	68.7	↑1.2
4/14 09:10	70.0	↑1.3
4/14 09:20	71.2	↑1.2
4/14 09:30	72.6	↑1.4
4/14 09:40	73.9	↑1.3
4/14 09:50	75.3	↑1.4
4/14 10:00	76.6	↑1.3
4/14 10:10	77.9	↑1.3
4/14 10:20	79.2	↑1.3
4/14 10:30	80.5	↑1.3
4/14 10:40	81.7	↑1.2
4/14 10:50	82.8	↑1.1
4/14 11:00	83.8	↑1.0
4/14 11:10	84.7	↑0.9
4/14 11:20	85.5	↑0.8
4/14 11:30	86.2	↑0.7
4/14 11:40	86.8	↑0.6
4/14 11:50	87.2	↑0.4
4/14 12:00	87.5	↑0.3
4/14 12:10	87.6	↑0.1	満潮
4/14 12:20	87.6	0
4/14 12:30	87.4	↓-0.2
4/14 12:40	87.0	↓-0.4
4/14 12:50	86.5	↓-0.5
4/14 13:00	85.9	↓-0.6
4/14 13:10	85.1	↓-0.8
4/14 13:20	84.1	↓-1.0
4/14 13:30	83.0	↓-1.1
4/14 13:40	81.7	↓-1.3
4/14 13:50	80.3	↓-1.4
4/14 14:00	78.7	↓-1.6
4/14 14:10	77.1	↓-1.6
4/14 14:20	75.3	↓-1.8
4/14 14:30	73.4	↓-1.9
4/14 14:40	71.4	↓-2.0
4/14 14:50	69.3	↓-2.1
4/14 15:00	67.2	↓-2.1
4/14 15:10	65.0	↓-2.2
4/14 15:20	62.7	↓-2.3
4/14 15:30	60.5	↓-2.2
4/14 15:40	58.2	↓-2.3
4/14 15:50	55.8	↓-2.4
4/14 16:00	53.5	↓-2.3
4/14 16:10	51.2	↓-2.3
4/14 16:20	49.0	↓-2.2
4/14 16:30	46.8	↓-2.2
4/14 16:40	44.6	↓-2.2
4/14 16:50	42.6	↓-2.0
4/14 17:00	40.6	↓-2.0
4/14 17:10	38.7	↓-1.9
4/14 17:20	37.0	↓-1.7
4/14 17:30	35.3	↓-1.7
4/14 17:40	33.8	↓-1.5
4/14 17:50	32.5	↓-1.3
4/14 18:00	31.3	↓-1.2
4/14 18:10	30.3	↓-1.0
4/14 18:20	29.4	↓-0.9
4/14 18:30	28.8	↓-0.6
4/14 18:40	28.3	↓-0.5
4/14 18:50	28.1	↓-0.2	干潮
4/14 19:00	28.0	↓-0.1
4/14 19:10	28.2	↑0.2
4/14 19:20	28.5	↑0.3
4/14 19:30	29.1	↑0.6
4/14 19:40	29.9	↑0.8
4/14 19:50	30.8	↑0.9
4/14 20:00	32.0	↑1.2
4/14 20:10	33.4	↑1.4
4/14 20:20	35.0	↑1.6
4/14 20:30	36.7	↑1.7
4/14 20:40	38.7	↑2.0
4/14 20:50	40.8	↑2.1
4/14 21:00	43.0	↑2.2
4/14 21:10	45.4	↑2.4
4/14 21:20	47.9	↑2.5
4/14 21:30	50.5	↑2.6
4/14 21:40	53.2	↑2.7
4/14 21:50	55.9	↑2.7
4/14 22:00	58.8	↑2.9	最大潮位差
4/14 22:10	61.6	↑2.8
4/14 22:20	64.5	↑2.9	最大潮位差
4/14 22:30	67.4	↑2.9	最大潮位差
4/14 22:40	70.3	↑2.9	最大潮位差
4/14 22:50	73.1	↑2.8
4/14 23:00	75.9	↑2.8
4/14 23:10	78.7	↑2.8
4/14 23:20	81.3	↑2.6
4/14 23:30	83.9	↑2.6
4/14 23:40	86.3	↑2.4
4/14 23:50	88.6	↑2.3