1 (水)	07:26	01:45	23:50	15:30
	100cm	78cm	89cm	18cm
小潮 出 05:25 入 18:01 出 10:18 入 00:21 潮干狩り ○ 13:26～17:41

那珂湊（茨城）2020年04月1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
4/1 00:00	81.9	↓-0.6
4/1 00:10	81.3	↓-0.6
4/1 00:20	80.7	↓-0.6
4/1 00:30	80.1	↓-0.6
4/1 00:40	79.6	↓-0.5
4/1 00:50	79.2	↓-0.4
4/1 01:00	78.8	↓-0.4
4/1 01:10	78.5	↓-0.3
4/1 01:20	78.2	↓-0.3
4/1 01:30	78.1	↓-0.1
4/1 01:40	78.0	↓-0.1	干潮
4/1 01:50	78.0	0
4/1 02:00	78.1	↑0.1
4/1 02:10	78.3	↑0.2
4/1 02:20	78.5	↑0.2
4/1 02:30	78.9	↑0.4
4/1 02:40	79.3	↑0.4
4/1 02:50	79.8	↑0.5
4/1 03:00	80.4	↑0.6
4/1 03:10	81.1	↑0.7
4/1 03:20	81.8	↑0.7
4/1 03:30	82.5	↑0.7
4/1 03:40	83.3	↑0.8
4/1 03:50	84.2	↑0.9
4/1 04:00	85.1	↑0.9
4/1 04:10	86.0	↑0.9
4/1 04:20	86.9	↑0.9
4/1 04:30	87.9	↑1.0
4/1 04:40	88.9	↑1.0
4/1 04:50	89.8	↑0.9
4/1 05:00	90.8	↑1.0
4/1 05:10	91.7	↑0.9
4/1 05:20	92.6	↑0.9
4/1 05:30	93.5	↑0.9
4/1 05:40	94.4	↑0.9
4/1 05:50	95.2	↑0.8
4/1 06:00	95.9	↑0.7
4/1 06:10	96.6	↑0.7
4/1 06:20	97.3	↑0.7
4/1 06:30	97.9	↑0.6
4/1 06:40	98.3	↑0.4
4/1 06:50	98.8	↑0.5
4/1 07:00	99.1	↑0.3
4/1 07:10	99.3	↑0.2
4/1 07:20	99.4	↑0.1	満潮
4/1 07:30	99.4	0
4/1 07:40	99.3	↓-0.1
4/1 07:50	99.1	↓-0.2
4/1 08:00	98.7	↓-0.4
4/1 08:10	98.2	↓-0.5
4/1 08:20	97.5	↓-0.7
4/1 08:30	96.8	↓-0.7
4/1 08:40	95.8	↓-1.0
4/1 08:50	94.8	↓-1.0
4/1 09:00	93.5	↓-1.3
4/1 09:10	92.2	↓-1.3
4/1 09:20	90.6	↓-1.6
4/1 09:30	89.0	↓-1.6
4/1 09:40	87.2	↓-1.8
4/1 09:50	85.2	↓-2.0
4/1 10:00	83.1	↓-2.1
4/1 10:10	80.9	↓-2.2
4/1 10:20	78.6	↓-2.3
4/1 10:30	76.2	↓-2.4
4/1 10:40	73.7	↓-2.5
4/1 10:50	71.1	↓-2.6
4/1 11:00	68.4	↓-2.7
4/1 11:10	65.7	↓-2.7
4/1 11:20	63.0	↓-2.7
4/1 11:30	60.2	↓-2.8	最大潮位差
4/1 11:40	57.4	↓-2.8	最大潮位差
4/1 11:50	54.6	↓-2.8	最大潮位差
4/1 12:00	51.8	↓-2.8	最大潮位差
4/1 12:10	49.0	↓-2.8	最大潮位差
4/1 12:20	46.3	↓-2.7
4/1 12:30	43.7	↓-2.6
4/1 12:40	41.1	↓-2.6
4/1 12:50	38.6	↓-2.5
4/1 13:00	36.2	↓-2.4
4/1 13:10	33.9	↓-2.3
4/1 13:20	31.8	↓-2.1
4/1 13:30	29.8	↓-2.0
4/1 13:40	27.9	↓-1.9
4/1 13:50	26.2	↓-1.7
4/1 14:00	24.6	↓-1.6
4/1 14:10	23.2	↓-1.4
4/1 14:20	21.9	↓-1.3
4/1 14:30	20.9	↓-1.0
4/1 14:40	20.0	↓-0.9
4/1 14:50	19.2	↓-0.8
4/1 15:00	18.6	↓-0.6
4/1 15:10	18.3	↓-0.3
4/1 15:20	18.0	↓-0.3	干潮
4/1 15:30	18.0	0	干潮
4/1 15:40	18.1	↑0.1
4/1 15:50	18.3	↑0.2
4/1 16:00	18.8	↑0.5
4/1 16:10	19.3	↑0.5
4/1 16:20	20.1	↑0.8
4/1 16:30	21.0	↑0.9
4/1 16:40	22.0	↑1.0
4/1 16:50	23.1	↑1.1
4/1 17:00	24.4	↑1.3
4/1 17:10	25.8	↑1.4
4/1 17:20	27.3	↑1.5
4/1 17:30	29.0	↑1.7
4/1 17:40	30.7	↑1.7
4/1 17:50	32.5	↑1.8
4/1 18:00	34.4	↑1.9
4/1 18:10	36.4	↑2.0
4/1 18:20	38.5	↑2.1
4/1 18:30	40.6	↑2.1
4/1 18:40	42.8	↑2.2
4/1 18:50	45.1	↑2.3
4/1 19:00	47.3	↑2.2
4/1 19:10	49.6	↑2.3
4/1 19:20	52.0	↑2.4
4/1 19:30	54.3	↑2.3
4/1 19:40	56.6	↑2.3
4/1 19:50	58.9	↑2.3
4/1 20:00	61.2	↑2.3
4/1 20:10	63.4	↑2.2
4/1 20:20	65.6	↑2.2
4/1 20:30	67.7	↑2.1
4/1 20:40	69.8	↑2.1
4/1 20:50	71.8	↑2.0
4/1 21:00	73.7	↑1.9
4/1 21:10	75.5	↑1.8
4/1 21:20	77.2	↑1.7
4/1 21:30	78.8	↑1.6
4/1 21:40	80.3	↑1.5
4/1 21:50	81.6	↑1.3
4/1 22:00	82.9	↑1.3
4/1 22:10	84.0	↑1.1
4/1 22:20	85.0	↑1.0
4/1 22:30	85.9	↑0.9
4/1 22:40	86.6	↑0.7
4/1 22:50	87.3	↑0.7
4/1 23:00	87.8	↑0.5
4/1 23:10	88.2	↑0.4
4/1 23:20	88.5	↑0.3
4/1 23:30	88.7	↑0.2
4/1 23:40	88.8	↑0.1	満潮
4/1 23:50	88.9	↑0.1	満潮