23 (水)	01:52	07:57	12:47	19:25
	103cm	62cm	86cm	28cm
中潮 出 04:55 入 18:19 出 13:59 入 02:55

那珂湊（茨城）2059年04月23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
4/23 00:00	91.9	↑1.9
4/23 00:10	93.7	↑1.8
4/23 00:20	95.4	↑1.7
4/23 00:30	96.9	↑1.5
4/23 00:40	98.2	↑1.3
4/23 00:50	99.3	↑1.1
4/23 01:00	100.3	↑1.0
4/23 01:10	101.1	↑0.8
4/23 01:20	101.7	↑0.6
4/23 01:30	102.2	↑0.5
4/23 01:40	102.5	↑0.3
4/23 01:50	102.6	↑0.1	満潮
4/23 02:00	102.5	↓-0.1
4/23 02:10	102.3	↓-0.2
4/23 02:20	101.9	↓-0.4
4/23 02:30	101.4	↓-0.5
4/23 02:40	100.7	↓-0.7
4/23 02:50	99.9	↓-0.8
4/23 03:00	98.9	↓-1.0
4/23 03:10	97.8	↓-1.1
4/23 03:20	96.6	↓-1.2
4/23 03:30	95.3	↓-1.3
4/23 03:40	93.9	↓-1.4
4/23 03:50	92.4	↓-1.5
4/23 04:00	90.9	↓-1.5
4/23 04:10	89.3	↓-1.6
4/23 04:20	87.6	↓-1.7
4/23 04:30	85.9	↓-1.7
4/23 04:40	84.2	↓-1.7
4/23 04:50	82.5	↓-1.7
4/23 05:00	80.7	↓-1.8
4/23 05:10	79.0	↓-1.7
4/23 05:20	77.3	↓-1.7
4/23 05:30	75.6	↓-1.7
4/23 05:40	74.0	↓-1.6
4/23 05:50	72.4	↓-1.6
4/23 06:00	70.9	↓-1.5
4/23 06:10	69.5	↓-1.4
4/23 06:20	68.2	↓-1.3
4/23 06:30	67.0	↓-1.2
4/23 06:40	65.9	↓-1.1
4/23 06:50	65.0	↓-0.9
4/23 07:00	64.1	↓-0.9
4/23 07:10	63.4	↓-0.7
4/23 07:20	62.8	↓-0.6
4/23 07:30	62.4	↓-0.4
4/23 07:40	62.1	↓-0.3
4/23 07:50	61.9	↓-0.2	干潮
4/23 08:00	61.9	0
4/23 08:10	62.0	↑0.1
4/23 08:20	62.3	↑0.3
4/23 08:30	62.7	↑0.4
4/23 08:40	63.2	↑0.5
4/23 08:50	63.9	↑0.7
4/23 09:00	64.6	↑0.7
4/23 09:10	65.5	↑0.9
4/23 09:20	66.4	↑0.9
4/23 09:30	67.5	↑1.1
4/23 09:40	68.6	↑1.1
4/23 09:50	69.8	↑1.2
4/23 10:00	71.0	↑1.2
4/23 10:10	72.2	↑1.2
4/23 10:20	73.5	↑1.3
4/23 10:30	74.7	↑1.2
4/23 10:40	76.0	↑1.3
4/23 10:50	77.2	↑1.2
4/23 11:00	78.4	↑1.2
4/23 11:10	79.5	↑1.1
4/23 11:20	80.6	↑1.1
4/23 11:30	81.6	↑1.0
4/23 11:40	82.5	↑0.9
4/23 11:50	83.3	↑0.8
4/23 12:00	83.9	↑0.6
4/23 12:10	84.5	↑0.6
4/23 12:20	84.9	↑0.4
4/23 12:30	85.2	↑0.3
4/23 12:40	85.4	↑0.2	満潮
4/23 12:50	85.4	0
4/23 13:00	85.3	↓-0.1
4/23 13:10	85.0	↓-0.3
4/23 13:20	84.6	↓-0.4
4/23 13:30	84.0	↓-0.6
4/23 13:40	83.2	↓-0.8
4/23 13:50	82.3	↓-0.9
4/23 14:00	81.3	↓-1.0
4/23 14:10	80.1	↓-1.2
4/23 14:20	78.7	↓-1.4
4/23 14:30	77.3	↓-1.4
4/23 14:40	75.7	↓-1.6
4/23 14:50	74.0	↓-1.7
4/23 15:00	72.2	↓-1.8
4/23 15:10	70.2	↓-2.0
4/23 15:20	68.2	↓-2.0
4/23 15:30	66.1	↓-2.1
4/23 15:40	64.0	↓-2.1
4/23 15:50	61.8	↓-2.2
4/23 16:00	59.5	↓-2.3
4/23 16:10	57.3	↓-2.2
4/23 16:20	55.0	↓-2.3
4/23 16:30	52.7	↓-2.3
4/23 16:40	50.4	↓-2.3
4/23 16:50	48.2	↓-2.2
4/23 17:00	46.0	↓-2.2
4/23 17:10	43.8	↓-2.2
4/23 17:20	41.8	↓-2.0
4/23 17:30	39.8	↓-2.0
4/23 17:40	37.9	↓-1.9
4/23 17:50	36.2	↓-1.7
4/23 18:00	34.6	↓-1.6
4/23 18:10	33.1	↓-1.5
4/23 18:20	31.7	↓-1.4
4/23 18:30	30.6	↓-1.1
4/23 18:40	29.6	↓-1.0
4/23 18:50	28.8	↓-0.8
4/23 19:00	28.2	↓-0.6
4/23 19:10	27.8	↓-0.4
4/23 19:20	27.6	↓-0.2	干潮
4/23 19:30	27.6	0
4/23 19:40	27.9	↑0.3
4/23 19:50	28.3	↑0.4
4/23 20:00	29.0	↑0.7
4/23 20:10	29.9	↑0.9
4/23 20:20	31.0	↑1.1
4/23 20:30	32.3	↑1.3
4/23 20:40	33.8	↑1.5
4/23 20:50	35.6	↑1.8
4/23 21:00	37.5	↑1.9
4/23 21:10	39.5	↑2.0
4/23 21:20	41.8	↑2.3
4/23 21:30	44.2	↑2.4
4/23 21:40	46.7	↑2.5
4/23 21:50	49.3	↑2.6
4/23 22:00	52.1	↑2.8
4/23 22:10	54.9	↑2.8
4/23 22:20	57.9	↑3.0
4/23 22:30	60.8	↑2.9
4/23 22:40	63.8	↑3.0
4/23 22:50	66.9	↑3.1	最大潮位差
4/23 23:00	69.9	↑3.0
4/23 23:10	72.9	↑3.0
4/23 23:20	75.8	↑2.9
4/23 23:30	78.7	↑2.9
4/23 23:40	81.6	↑2.9
4/23 23:50	84.3	↑2.7