01 (金)	06:45	00:57	22:39	14:43
	112cm	78cm	87cm	29cm
小潮 出 05:25 入 18:00 出 09:53 入 00:01 潮干狩り ○ 13:26～16:01

日立（茨城）2039年04月01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	79.0	↓-0.5
4/1 00:10	78.5	↓-0.5
4/1 00:20	78.1	↓-0.4
4/1 00:30	77.8	↓-0.3
4/1 00:40	77.6	↓-0.2
4/1 00:50	77.5	↓-0.1	干潮
4/1 01:00	77.4	↓-0.1
4/1 01:10	77.6	↑0.2
4/1 01:20	77.8	↑0.2
4/1 01:30	78.1	↑0.3
4/1 01:40	78.5	↑0.4
4/1 01:50	79.0	↑0.5
4/1 02:00	79.7	↑0.7
4/1 02:10	80.4	↑0.7
4/1 02:20	81.3	↑0.9
4/1 02:30	82.3	↑1.0
4/1 02:40	83.3	↑1.0
4/1 02:50	84.5	↑1.2
4/1 03:00	85.7	↑1.2
4/1 03:10	87.0	↑1.3
4/1 03:20	88.4	↑1.4
4/1 03:30	89.9	↑1.5
4/1 03:40	91.4	↑1.5
4/1 03:50	92.9	↑1.5
4/1 04:00	94.5	↑1.6
4/1 04:10	96.1	↑1.6
4/1 04:20	97.7	↑1.6
4/1 04:30	99.2	↑1.5
4/1 04:40	100.8	↑1.6
4/1 04:50	102.3	↑1.5
4/1 05:00	103.7	↑1.4
4/1 05:10	105.0	↑1.3
4/1 05:20	106.3	↑1.3
4/1 05:30	107.5	↑1.2
4/1 05:40	108.5	↑1.0
4/1 05:50	109.4	↑0.9
4/1 06:00	110.2	↑0.8
4/1 06:10	110.8	↑0.6
4/1 06:20	111.3	↑0.5
4/1 06:30	111.6	↑0.3
4/1 06:40	111.8	↑0.2	満潮
4/1 06:50	111.8	0
4/1 07:00	111.6	↓-0.2
4/1 07:10	111.2	↓-0.4
4/1 07:20	110.7	↓-0.5
4/1 07:30	110.0	↓-0.7
4/1 07:40	109.1	↓-0.9
4/1 07:50	108.1	↓-1.0
4/1 08:00	106.9	↓-1.2
4/1 08:10	105.5	↓-1.4
4/1 08:20	104.0	↓-1.5
4/1 08:30	102.3	↓-1.7
4/1 08:40	100.4	↓-1.9
4/1 08:50	98.5	↓-1.9
4/1 09:00	96.4	↓-2.1
4/1 09:10	94.1	↓-2.3
4/1 09:20	91.8	↓-2.3
4/1 09:30	89.3	↓-2.5
4/1 09:40	86.8	↓-2.5
4/1 09:50	84.1	↓-2.7
4/1 10:00	81.4	↓-2.7
4/1 10:10	78.7	↓-2.7
4/1 10:20	75.9	↓-2.8
4/1 10:30	73.1	↓-2.8
4/1 10:40	70.2	↓-2.9	最大潮位差
4/1 10:50	67.4	↓-2.8
4/1 11:00	64.6	↓-2.8
4/1 11:10	61.8	↓-2.8
4/1 11:20	59.1	↓-2.7
4/1 11:30	56.4	↓-2.7
4/1 11:40	53.8	↓-2.6
4/1 11:50	51.3	↓-2.5
4/1 12:00	48.9	↓-2.4
4/1 12:10	46.6	↓-2.3
4/1 12:20	44.4	↓-2.2
4/1 12:30	42.2	↓-2.2
4/1 12:40	40.3	↓-1.9
4/1 12:50	38.4	↓-1.9
4/1 13:00	36.7	↓-1.7
4/1 13:10	35.1	↓-1.6
4/1 13:20	33.7	↓-1.4
4/1 13:30	32.4	↓-1.3
4/1 13:40	31.3	↓-1.1
4/1 13:50	30.4	↓-0.9
4/1 14:00	29.6	↓-0.8
4/1 14:10	28.9	↓-0.7
4/1 14:20	28.5	↓-0.4
4/1 14:30	28.2	↓-0.3
4/1 14:40	28.0	↓-0.2	干潮
4/1 14:50	28.1	↑0.1
4/1 15:00	28.3	↑0.2
4/1 15:10	28.7	↑0.4
4/1 15:20	29.2	↑0.5
4/1 15:30	29.9	↑0.7
4/1 15:40	30.8	↑0.9
4/1 15:50	31.9	↑1.1
4/1 16:00	33.0	↑1.1
4/1 16:10	34.3	↑1.3
4/1 16:20	35.8	↑1.5
4/1 16:30	37.3	↑1.5
4/1 16:40	39.0	↑1.7
4/1 16:50	40.7	↑1.7
4/1 17:00	42.6	↑1.9
4/1 17:10	44.5	↑1.9
4/1 17:20	46.4	↑1.9
4/1 17:30	48.4	↑2.0
4/1 17:40	50.4	↑2.0
4/1 17:50	52.5	↑2.1
4/1 18:00	54.5	↑2.0
4/1 18:10	56.5	↑2.0
4/1 18:20	58.6	↑2.1
4/1 18:30	60.6	↑2.0
4/1 18:40	62.5	↑1.9
4/1 18:50	64.5	↑2.0
4/1 19:00	66.3	↑1.8
4/1 19:10	68.1	↑1.8
4/1 19:20	69.9	↑1.8
4/1 19:30	71.6	↑1.7
4/1 19:40	73.2	↑1.6
4/1 19:50	74.7	↑1.5
4/1 20:00	76.2	↑1.5
4/1 20:10	77.5	↑1.3
4/1 20:20	78.8	↑1.3
4/1 20:30	79.9	↑1.1
4/1 20:40	81.0	↑1.1
4/1 20:50	82.0	↑1.0
4/1 21:00	82.8	↑0.8
4/1 21:10	83.6	↑0.8
4/1 21:20	84.2	↑0.6
4/1 21:30	84.8	↑0.6
4/1 21:40	85.3	↑0.5
4/1 21:50	85.6	↑0.3
4/1 22:00	85.9	↑0.3
4/1 22:10	86.1	↑0.2
4/1 22:20	86.3	↑0.2
4/1 22:30	86.4	↑0.1	満潮
4/1 22:40	86.4	0
4/1 22:50	86.3	↓-0.1
4/1 23:00	86.3	0
4/1 23:10	86.2	↓-0.1
4/1 23:20	86.1	↓-0.1
4/1 23:30	85.9	↓-0.2
4/1 23:40	85.8	↓-0.1
4/1 23:50	85.6	↓-0.2