29 (日)	01:29	07:28	12:32	19:15
	103cm	62cm	92cm	27cm
若潮 出 04:48 入 18:25 出 02:46 入 14:02

那珂湊（茨城）2057年04月29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
4/29 00:00	95.9	↑1.6
4/29 00:10	97.4	↑1.5
4/29 00:20	98.8	↑1.4
4/29 00:30	99.9	↑1.1
4/29 00:40	100.9	↑1.0
4/29 00:50	101.6	↑0.7
4/29 01:00	102.2	↑0.6
4/29 01:10	102.6	↑0.4
4/29 01:20	102.9	↑0.3	満潮
4/29 01:30	102.9	0
4/29 01:40	102.8	↓-0.1
4/29 01:50	102.5	↓-0.3
4/29 02:00	102.0	↓-0.5
4/29 02:10	101.4	↓-0.6
4/29 02:20	100.6	↓-0.8
4/29 02:30	99.7	↓-0.9
4/29 02:40	98.7	↓-1.0
4/29 02:50	97.5	↓-1.2
4/29 03:00	96.2	↓-1.3
4/29 03:10	94.9	↓-1.3
4/29 03:20	93.4	↓-1.5
4/29 03:30	91.8	↓-1.6
4/29 03:40	90.2	↓-1.6
4/29 03:50	88.5	↓-1.7
4/29 04:00	86.8	↓-1.7
4/29 04:10	85.0	↓-1.8
4/29 04:20	83.3	↓-1.7
4/29 04:30	81.5	↓-1.8
4/29 04:40	79.7	↓-1.8
4/29 04:50	77.9	↓-1.8
4/29 05:00	76.2	↓-1.7
4/29 05:10	74.5	↓-1.7
4/29 05:20	72.9	↓-1.6
4/29 05:30	71.3	↓-1.6
4/29 05:40	69.9	↓-1.4
4/29 05:50	68.5	↓-1.4
4/29 06:00	67.2	↓-1.3
4/29 06:10	66.0	↓-1.2
4/29 06:20	65.0	↓-1.0
4/29 06:30	64.1	↓-0.9
4/29 06:40	63.3	↓-0.8
4/29 06:50	62.7	↓-0.6
4/29 07:00	62.2	↓-0.5
4/29 07:10	61.9	↓-0.3
4/29 07:20	61.7	↓-0.2	干潮
4/29 07:30	61.7	0
4/29 07:40	61.8	↑0.1
4/29 07:50	62.1	↑0.3
4/29 08:00	62.5	↑0.4
4/29 08:10	63.1	↑0.6
4/29 08:20	63.8	↑0.7
4/29 08:30	64.6	↑0.8
4/29 08:40	65.6	↑1.0
4/29 08:50	66.7	↑1.1
4/29 09:00	67.9	↑1.2
4/29 09:10	69.1	↑1.2
4/29 09:20	70.5	↑1.4
4/29 09:30	71.9	↑1.4
4/29 09:40	73.3	↑1.4
4/29 09:50	74.8	↑1.5
4/29 10:00	76.3	↑1.5
4/29 10:10	77.8	↑1.5
4/29 10:20	79.3	↑1.5
4/29 10:30	80.8	↑1.5
4/29 10:40	82.2	↑1.4
4/29 10:50	83.5	↑1.3
4/29 11:00	84.8	↑1.3
4/29 11:10	86.0	↑1.2
4/29 11:20	87.1	↑1.1
4/29 11:30	88.1	↑1.0
4/29 11:40	88.9	↑0.8
4/29 11:50	89.6	↑0.7
4/29 12:00	90.2	↑0.6
4/29 12:10	90.6	↑0.4
4/29 12:20	90.9	↑0.3
4/29 12:30	91.0	↑0.1	満潮
4/29 12:40	90.9	↓-0.1
4/29 12:50	90.7	↓-0.2
4/29 13:00	90.3	↓-0.4
4/29 13:10	89.7	↓-0.6
4/29 13:20	89.0	↓-0.7
4/29 13:30	88.0	↓-1.0
4/29 13:40	87.0	↓-1.0
4/29 13:50	85.7	↓-1.3
4/29 14:00	84.3	↓-1.4
4/29 14:10	82.8	↓-1.5
4/29 14:20	81.1	↓-1.7
4/29 14:30	79.3	↓-1.8
4/29 14:40	77.3	↓-2.0
4/29 14:50	75.2	↓-2.1
4/29 15:00	73.1	↓-2.1
4/29 15:10	70.8	↓-2.3
4/29 15:20	68.5	↓-2.3
4/29 15:30	66.1	↓-2.4
4/29 15:40	63.7	↓-2.4
4/29 15:50	61.2	↓-2.5
4/29 16:00	58.7	↓-2.5
4/29 16:10	56.2	↓-2.5
4/29 16:20	53.7	↓-2.5
4/29 16:30	51.2	↓-2.5
4/29 16:40	48.7	↓-2.5
4/29 16:50	46.4	↓-2.3
4/29 17:00	44.0	↓-2.4
4/29 17:10	41.8	↓-2.2
4/29 17:20	39.7	↓-2.1
4/29 17:30	37.6	↓-2.1
4/29 17:40	35.7	↓-1.9
4/29 17:50	34.0	↓-1.7
4/29 18:00	32.4	↓-1.6
4/29 18:10	31.0	↓-1.4
4/29 18:20	29.7	↓-1.3
4/29 18:30	28.7	↓-1.0
4/29 18:40	27.9	↓-0.8
4/29 18:50	27.2	↓-0.7
4/29 19:00	26.8	↓-0.4
4/29 19:10	26.6	↓-0.2	干潮
4/29 19:20	26.6	0
4/29 19:30	26.9	↑0.3
4/29 19:40	27.4	↑0.5
4/29 19:50	28.1	↑0.7
4/29 20:00	29.1	↑1.0
4/29 20:10	30.2	↑1.1
4/29 20:20	31.6	↑1.4
4/29 20:30	33.2	↑1.6
4/29 20:40	35.0	↑1.8
4/29 20:50	37.1	↑2.1
4/29 21:00	39.2	↑2.1
4/29 21:10	41.6	↑2.4
4/29 21:20	44.1	↑2.5
4/29 21:30	46.8	↑2.7
4/29 21:40	49.5	↑2.7
4/29 21:50	52.4	↑2.9
4/29 22:00	55.4	↑3.0
4/29 22:10	58.4	↑3.0
4/29 22:20	61.5	↑3.1
4/29 22:30	64.6	↑3.1
4/29 22:40	67.7	↑3.1
4/29 22:50	70.9	↑3.2	最大潮位差
4/29 23:00	73.9	↑3.0
4/29 23:10	77.0	↑3.1
4/29 23:20	79.9	↑2.9
4/29 23:30	82.8	↑2.9
4/29 23:40	85.6	↑2.8
4/29 23:50	88.2	↑2.6