1 (木)	02:31	06:30	09:44	18:52
	94cm	90cm	92cm	33cm
長潮 出 05:25 入 18:00 出 02:20 入 12:22

日立（茨城）2027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	84.7	↑1.3
4/1 00:10	85.8	↑1.1
4/1 00:20	86.9	↑1.1
4/1 00:30	88.0	↑1.1
4/1 00:40	88.9	↑0.9
4/1 00:50	89.8	↑0.9
4/1 01:00	90.6	↑0.8
4/1 01:10	91.3	↑0.7
4/1 01:20	91.9	↑0.6
4/1 01:30	92.5	↑0.6
4/1 01:40	92.9	↑0.4
4/1 01:50	93.3	↑0.4
4/1 02:00	93.6	↑0.3
4/1 02:10	93.8	↑0.2
4/1 02:20	93.9	↑0.1
4/1 02:30	93.9	0	満潮
4/1 02:40	93.9	0
4/1 02:50	93.8	↓-0.1
4/1 03:00	93.6	↓-0.2
4/1 03:10	93.4	↓-0.2
4/1 03:20	93.2	↓-0.2
4/1 03:30	92.9	↓-0.3
4/1 03:40	92.6	↓-0.3
4/1 03:50	92.3	↓-0.3
4/1 04:00	91.9	↓-0.4
4/1 04:10	91.6	↓-0.3
4/1 04:20	91.3	↓-0.3
4/1 04:30	91.0	↓-0.3
4/1 04:40	90.7	↓-0.3
4/1 04:50	90.4	↓-0.3
4/1 05:00	90.2	↓-0.2
4/1 05:10	90.0	↓-0.2
4/1 05:20	89.8	↓-0.2
4/1 05:30	89.6	↓-0.2
4/1 05:40	89.5	↓-0.1
4/1 05:50	89.4	↓-0.1
4/1 06:00	89.3	↓-0.1
4/1 06:10	89.2	↓-0.1
4/1 06:20	89.2	0	干潮
4/1 06:30	89.2	0	干潮
4/1 06:40	89.2	0
4/1 06:50	89.2	0
4/1 07:00	89.3	↑0.1
4/1 07:10	89.4	↑0.1
4/1 07:20	89.5	↑0.1
4/1 07:30	89.6	↑0.1
4/1 07:40	89.7	↑0.1
4/1 07:50	89.9	↑0.2
4/1 08:00	90.0	↑0.1
4/1 08:10	90.2	↑0.2
4/1 08:20	90.4	↑0.2
4/1 08:30	90.5	↑0.1
4/1 08:40	90.7	↑0.2
4/1 08:50	90.9	↑0.2
4/1 09:00	91.0	↑0.1
4/1 09:10	91.2	↑0.2
4/1 09:20	91.3	↑0.1
4/1 09:30	91.3	0
4/1 09:40	91.4	↑0.1	満潮
4/1 09:50	91.4	0
4/1 10:00	91.3	↓-0.1
4/1 10:10	91.2	↓-0.1
4/1 10:20	91.0	↓-0.2
4/1 10:30	90.8	↓-0.2
4/1 10:40	90.5	↓-0.3
4/1 10:50	90.1	↓-0.4
4/1 11:00	89.7	↓-0.4
4/1 11:10	89.2	↓-0.5
4/1 11:20	88.6	↓-0.6
4/1 11:30	88.0	↓-0.6
4/1 11:40	87.3	↓-0.7
4/1 11:50	86.5	↓-0.8
4/1 12:00	85.7	↓-0.8
4/1 12:10	84.8	↓-0.9
4/1 12:20	83.9	↓-0.9
4/1 12:30	82.9	↓-1.0
4/1 12:40	81.8	↓-1.1
4/1 12:50	80.7	↓-1.1
4/1 13:00	79.5	↓-1.2
4/1 13:10	78.2	↓-1.3
4/1 13:20	76.9	↓-1.3
4/1 13:30	75.5	↓-1.4
4/1 13:40	74.1	↓-1.4
4/1 13:50	72.6	↓-1.5
4/1 14:00	71.0	↓-1.6
4/1 14:10	69.4	↓-1.6
4/1 14:20	67.8	↓-1.6
4/1 14:30	66.0	↓-1.8
4/1 14:40	64.3	↓-1.7
4/1 14:50	62.5	↓-1.8
4/1 15:00	60.7	↓-1.8
4/1 15:10	58.9	↓-1.8
4/1 15:20	57.0	↓-1.9
4/1 15:30	55.2	↓-1.8
4/1 15:40	53.3	↓-1.9
4/1 15:50	51.5	↓-1.8
4/1 16:00	49.8	↓-1.7
4/1 16:10	48.0	↓-1.8
4/1 16:20	46.4	↓-1.6
4/1 16:30	44.7	↓-1.7
4/1 16:40	43.2	↓-1.5
4/1 16:50	41.8	↓-1.4
4/1 17:00	40.4	↓-1.4
4/1 17:10	39.1	↓-1.3
4/1 17:20	38.0	↓-1.1
4/1 17:30	36.9	↓-1.1
4/1 17:40	36.0	↓-0.9
4/1 17:50	35.1	↓-0.9
4/1 18:00	34.4	↓-0.7
4/1 18:10	33.8	↓-0.6
4/1 18:20	33.4	↓-0.4
4/1 18:30	33.0	↓-0.4
4/1 18:40	32.8	↓-0.2
4/1 18:50	32.7	↓-0.1	干潮
4/1 19:00	32.8	↑0.1
4/1 19:10	33.0	↑0.2
4/1 19:20	33.3	↑0.3
4/1 19:30	33.8	↑0.5
4/1 19:40	34.4	↑0.6
4/1 19:50	35.1	↑0.7
4/1 20:00	36.0	↑0.9
4/1 20:10	37.1	↑1.1
4/1 20:20	38.2	↑1.1
4/1 20:30	39.5	↑1.3
4/1 20:40	41.0	↑1.5
4/1 20:50	42.5	↑1.5
4/1 21:00	44.2	↑1.7
4/1 21:10	46.0	↑1.8
4/1 21:20	47.9	↑1.9
4/1 21:30	49.9	↑2.0
4/1 21:40	51.9	↑2.0
4/1 21:50	54.1	↑2.2
4/1 22:00	56.2	↑2.1
4/1 22:10	58.4	↑2.2
4/1 22:20	60.7	↑2.3	最大潮位差
4/1 22:30	62.9	↑2.2
4/1 22:40	65.2	↑2.3	最大潮位差
4/1 22:50	67.4	↑2.2
4/1 23:00	69.7	↑2.3	最大潮位差
4/1 23:10	71.9	↑2.2
4/1 23:20	74.1	↑2.2
4/1 23:30	76.2	↑2.1
4/1 23:40	78.3	↑2.1
4/1 23:50	80.3	↑2.0