09 (日)	02:36	08:38	14:48	21:01
	106cm	33cm	111cm	26cm
中潮 出 05:14 入 18:07 出 03:42 入 16:01

那珂湊（茨城）2051年04月09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
4/9 00:00	76.5	↑3.3
4/9 00:10	79.6	↑3.1
4/9 00:20	82.7	↑3.1
4/9 00:30	85.7	↑3.0
4/9 00:40	88.5	↑2.8
4/9 00:50	91.1	↑2.6
4/9 01:00	93.5	↑2.4
4/9 01:10	95.8	↑2.3
4/9 01:20	97.8	↑2.0
4/9 01:30	99.7	↑1.9
4/9 01:40	101.2	↑1.5
4/9 01:50	102.6	↑1.4
4/9 02:00	103.6	↑1.0
4/9 02:10	104.4	↑0.8
4/9 02:20	105.0	↑0.6
4/9 02:30	105.2	↑0.2	満潮
4/9 02:40	105.2	0
4/9 02:50	105.0	↓-0.2
4/9 03:00	104.4	↓-0.6
4/9 03:10	103.6	↓-0.8
4/9 03:20	102.5	↓-1.1
4/9 03:30	101.2	↓-1.3
4/9 03:40	99.7	↓-1.5
4/9 03:50	97.9	↓-1.8
4/9 04:00	95.9	↓-2.0
4/9 04:10	93.7	↓-2.2
4/9 04:20	91.3	↓-2.4
4/9 04:30	88.7	↓-2.6
4/9 04:40	86.0	↓-2.7
4/9 04:50	83.2	↓-2.8
4/9 05:00	80.2	↓-3.0
4/9 05:10	77.2	↓-3.0
4/9 05:20	74.1	↓-3.1
4/9 05:30	70.9	↓-3.2
4/9 05:40	67.8	↓-3.1
4/9 05:50	64.6	↓-3.2
4/9 06:00	61.5	↓-3.1
4/9 06:10	58.4	↓-3.1
4/9 06:20	55.4	↓-3.0
4/9 06:30	52.5	↓-2.9
4/9 06:40	49.8	↓-2.7
4/9 06:50	47.1	↓-2.7
4/9 07:00	44.7	↓-2.4
4/9 07:10	42.4	↓-2.3
4/9 07:20	40.3	↓-2.1
4/9 07:30	38.4	↓-1.9
4/9 07:40	36.8	↓-1.6
4/9 07:50	35.4	↓-1.4
4/9 08:00	34.3	↓-1.1
4/9 08:10	33.4	↓-0.9
4/9 08:20	32.8	↓-0.6
4/9 08:30	32.4	↓-0.4	干潮
4/9 08:40	32.4	0
4/9 08:50	32.6	↑0.2
4/9 09:00	33.1	↑0.5
4/9 09:10	33.9	↑0.8
4/9 09:20	34.9	↑1.0
4/9 09:30	36.3	↑1.4
4/9 09:40	37.8	↑1.5
4/9 09:50	39.6	↑1.8
4/9 10:00	41.7	↑2.1
4/9 10:10	43.9	↑2.2
4/9 10:20	46.4	↑2.5
4/9 10:30	49.0	↑2.6
4/9 10:40	51.8	↑2.8
4/9 10:50	54.7	↑2.9
4/9 11:00	57.8	↑3.1
4/9 11:10	60.9	↑3.1
4/9 11:20	64.2	↑3.3
4/9 11:30	67.4	↑3.2
4/9 11:40	70.8	↑3.4
4/9 11:50	74.1	↑3.3
4/9 12:00	77.4	↑3.3
4/9 12:10	80.6	↑3.2
4/9 12:20	83.8	↑3.2
4/9 12:30	86.9	↑3.1
4/9 12:40	89.9	↑3.0
4/9 12:50	92.8	↑2.9
4/9 13:00	95.5	↑2.7
4/9 13:10	98.0	↑2.5
4/9 13:20	100.4	↑2.4
4/9 13:30	102.5	↑2.1
4/9 13:40	104.4	↑1.9
4/9 13:50	106.1	↑1.7
4/9 14:00	107.6	↑1.5
4/9 14:10	108.7	↑1.1
4/9 14:20	109.6	↑0.9
4/9 14:30	110.2	↑0.6
4/9 14:40	110.6	↑0.4	満潮
4/9 14:50	110.6	0
4/9 15:00	110.4	↓-0.2
4/9 15:10	109.9	↓-0.5
4/9 15:20	109.1	↓-0.8
4/9 15:30	108.0	↓-1.1
4/9 15:40	106.6	↓-1.4
4/9 15:50	105.0	↓-1.6
4/9 16:00	103.1	↓-1.9
4/9 16:10	100.9	↓-2.2
4/9 16:20	98.6	↓-2.3
4/9 16:30	96.0	↓-2.6
4/9 16:40	93.2	↓-2.8
4/9 16:50	90.3	↓-2.9
4/9 17:00	87.1	↓-3.2
4/9 17:10	83.9	↓-3.2
4/9 17:20	80.5	↓-3.4
4/9 17:30	77.1	↓-3.4
4/9 17:40	73.5	↓-3.6	最大潮位差
4/9 17:50	70.0	↓-3.5
4/9 18:00	66.4	↓-3.6	最大潮位差
4/9 18:10	62.8	↓-3.6	最大潮位差
4/9 18:20	59.3	↓-3.5
4/9 18:30	55.8	↓-3.5
4/9 18:40	52.4	↓-3.4
4/9 18:50	49.1	↓-3.3
4/9 19:00	46.0	↓-3.1
4/9 19:10	43.0	↓-3.0
4/9 19:20	40.2	↓-2.8
4/9 19:30	37.6	↓-2.6
4/9 19:40	35.2	↓-2.4
4/9 19:50	33.1	↓-2.1
4/9 20:00	31.2	↓-1.9
4/9 20:10	29.5	↓-1.7
4/9 20:20	28.2	↓-1.3
4/9 20:30	27.1	↓-1.1
4/9 20:40	26.3	↓-0.8
4/9 20:50	25.9	↓-0.4
4/9 21:00	25.7	↓-0.2	干潮
4/9 21:10	25.8	↑0.1
4/9 21:20	26.3	↑0.5
4/9 21:30	27.0	↑0.7
4/9 21:40	28.1	↑1.1
4/9 21:50	29.4	↑1.3
4/9 22:00	31.0	↑1.6
4/9 22:10	32.8	↑1.8
4/9 22:20	34.9	↑2.1
4/9 22:30	37.2	↑2.3
4/9 22:40	39.8	↑2.6
4/9 22:50	42.5	↑2.7
4/9 23:00	45.5	↑3.0
4/9 23:10	48.5	↑3.0
4/9 23:20	51.7	↑3.2
4/9 23:30	55.1	↑3.4
4/9 23:40	58.5	↑3.4
4/9 23:50	61.9	↑3.4