20 (土)	02:15	08:21	13:48	20:05
	105cm	52cm	91cm	30cm
中潮 出 04:59 入 18:17 出 14:51 入 03:15

那珂湊（茨城）2024年04月20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
4/20 00:00	86.4	↑2.5
4/20 00:10	88.8	↑2.4
4/20 00:20	91.0	↑2.2
4/20 00:30	93.1	↑2.1
4/20 00:40	95.1	↑2.0
4/20 00:50	96.8	↑1.7
4/20 01:00	98.4	↑1.6
4/20 01:10	99.8	↑1.4
4/20 01:20	101.0	↑1.2
4/20 01:30	102.0	↑1.0
4/20 01:40	102.8	↑0.8
4/20 01:50	103.4	↑0.6
4/20 02:00	103.8	↑0.4
4/20 02:10	104.0	↑0.2	満潮
4/20 02:20	104.0	0
4/20 02:30	103.8	↓-0.2
4/20 02:40	103.4	↓-0.4
4/20 02:50	102.8	↓-0.6
4/20 03:00	102.0	↓-0.8
4/20 03:10	101.0	↓-1.0
4/20 03:20	99.8	↓-1.2
4/20 03:30	98.5	↓-1.3
4/20 03:40	97.0	↓-1.5
4/20 03:50	95.4	↓-1.6
4/20 04:00	93.7	↓-1.7
4/20 04:10	91.8	↓-1.9
4/20 04:20	89.9	↓-1.9
4/20 04:30	87.8	↓-2.1
4/20 04:40	85.7	↓-2.1
4/20 04:50	83.6	↓-2.1
4/20 05:00	81.3	↓-2.3
4/20 05:10	79.1	↓-2.2
4/20 05:20	76.8	↓-2.3
4/20 05:30	74.6	↓-2.2
4/20 05:40	72.4	↓-2.2
4/20 05:50	70.2	↓-2.2
4/20 06:00	68.1	↓-2.1
4/20 06:10	66.0	↓-2.1
4/20 06:20	64.0	↓-2.0
4/20 06:30	62.2	↓-1.8
4/20 06:40	60.4	↓-1.8
4/20 06:50	58.8	↓-1.6
4/20 07:00	57.3	↓-1.5
4/20 07:10	56.0	↓-1.3
4/20 07:20	54.8	↓-1.2
4/20 07:30	53.8	↓-1.0
4/20 07:40	52.9	↓-0.9
4/20 07:50	52.3	↓-0.6
4/20 08:00	51.8	↓-0.5
4/20 08:10	51.5	↓-0.3
4/20 08:20	51.4	↓-0.1	干潮
4/20 08:30	51.5	↑0.1
4/20 08:40	51.8	↑0.3
4/20 08:50	52.2	↑0.4
4/20 09:00	52.9	↑0.7
4/20 09:10	53.7	↑0.8
4/20 09:20	54.6	↑0.9
4/20 09:30	55.8	↑1.2
4/20 09:40	57.0	↑1.2
4/20 09:50	58.4	↑1.4
4/20 10:00	59.9	↑1.5
4/20 10:10	61.5	↑1.6
4/20 10:20	63.2	↑1.7
4/20 10:30	65.0	↑1.8
4/20 10:40	66.8	↑1.8
4/20 10:50	68.6	↑1.8
4/20 11:00	70.5	↑1.9
4/20 11:10	72.4	↑1.9
4/20 11:20	74.3	↑1.9
4/20 11:30	76.1	↑1.8
4/20 11:40	77.9	↑1.8
4/20 11:50	79.7	↑1.8
4/20 12:00	81.3	↑1.6
4/20 12:10	82.9	↑1.6
4/20 12:20	84.4	↑1.5
4/20 12:30	85.7	↑1.3
4/20 12:40	86.9	↑1.2
4/20 12:50	88.0	↑1.1
4/20 13:00	88.9	↑0.9
4/20 13:10	89.7	↑0.8
4/20 13:20	90.3	↑0.6
4/20 13:30	90.7	↑0.4
4/20 13:40	90.9	↑0.2	満潮
4/20 13:50	90.9	0
4/20 14:00	90.8	↓-0.1
4/20 14:10	90.4	↓-0.4
4/20 14:20	89.9	↓-0.5
4/20 14:30	89.2	↓-0.7
4/20 14:40	88.3	↓-0.9
4/20 14:50	87.2	↓-1.1
4/20 15:00	85.9	↓-1.3
4/20 15:10	84.5	↓-1.4
4/20 15:20	82.9	↓-1.6
4/20 15:30	81.1	↓-1.8
4/20 15:40	79.3	↓-1.8
4/20 15:50	77.2	↓-2.1
4/20 16:00	75.1	↓-2.1
4/20 16:10	72.8	↓-2.3
4/20 16:20	70.5	↓-2.3
4/20 16:30	68.1	↓-2.4
4/20 16:40	65.6	↓-2.5
4/20 16:50	63.1	↓-2.5
4/20 17:00	60.6	↓-2.5
4/20 17:10	58.0	↓-2.6
4/20 17:20	55.5	↓-2.5
4/20 17:30	52.9	↓-2.6
4/20 17:40	50.5	↓-2.4
4/20 17:50	48.1	↓-2.4
4/20 18:00	45.7	↓-2.4
4/20 18:10	43.5	↓-2.2
4/20 18:20	41.4	↓-2.1
4/20 18:30	39.4	↓-2.0
4/20 18:40	37.6	↓-1.8
4/20 18:50	35.9	↓-1.7
4/20 19:00	34.4	↓-1.5
4/20 19:10	33.1	↓-1.3
4/20 19:20	32.0	↓-1.1
4/20 19:30	31.1	↓-0.9
4/20 19:40	30.4	↓-0.7
4/20 19:50	30.0	↓-0.4
4/20 20:00	29.8	↓-0.2	干潮
4/20 20:10	29.8	0
4/20 20:20	30.1	↑0.3
4/20 20:30	30.5	↑0.4
4/20 20:40	31.3	↑0.8
4/20 20:50	32.2	↑0.9
4/20 21:00	33.4	↑1.2
4/20 21:10	34.9	↑1.5
4/20 21:20	36.5	↑1.6
4/20 21:30	38.3	↑1.8
4/20 21:40	40.4	↑2.1
4/20 21:50	42.6	↑2.2
4/20 22:00	45.0	↑2.4
4/20 22:10	47.5	↑2.5
4/20 22:20	50.2	↑2.7
4/20 22:30	53.0	↑2.8
4/20 22:40	55.9	↑2.9
4/20 22:50	58.8	↑2.9
4/20 23:00	61.9	↑3.1	最大潮位差
4/20 23:10	64.9	↑3.0
4/20 23:20	68.0	↑3.1	最大潮位差
4/20 23:30	71.1	↑3.1	最大潮位差
4/20 23:40	74.2	↑3.1	最大潮位差
4/20 23:50	77.3	↑3.1	最大潮位差