9 (火)	06:07	00:28	20:53	13:41
	117cm	75cm	93cm	20cm
小潮 出 05:14 入 18:07 出 09:01 入 23:48 潮干狩り ○ 11:50～15:32

日立（茨城）2030年04月9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
4/9 00:00	75.3	↓-0.4
4/9 00:10	75.0	↓-0.3
4/9 00:20	74.8	↓-0.2	干潮
4/9 00:30	74.8	0
4/9 00:40	74.9	↑0.1
4/9 00:50	75.1	↑0.2
4/9 01:00	75.6	↑0.5
4/9 01:10	76.1	↑0.5
4/9 01:20	76.8	↑0.7
4/9 01:30	77.7	↑0.9
4/9 01:40	78.6	↑0.9
4/9 01:50	79.8	↑1.2
4/9 02:00	81.0	↑1.2
4/9 02:10	82.4	↑1.4
4/9 02:20	83.9	↑1.5
4/9 02:30	85.5	↑1.6
4/9 02:40	87.2	↑1.7
4/9 02:50	88.9	↑1.7
4/9 03:00	90.8	↑1.9
4/9 03:10	92.7	↑1.9
4/9 03:20	94.6	↑1.9
4/9 03:30	96.6	↑2.0
4/9 03:40	98.6	↑2.0
4/9 03:50	100.5	↑1.9
4/9 04:00	102.5	↑2.0
4/9 04:10	104.3	↑1.8
4/9 04:20	106.1	↑1.8
4/9 04:30	107.8	↑1.7
4/9 04:40	109.5	↑1.7
4/9 04:50	110.9	↑1.4
4/9 05:00	112.3	↑1.4
4/9 05:10	113.4	↑1.1
4/9 05:20	114.4	↑1.0
4/9 05:30	115.3	↑0.9
4/9 05:40	115.9	↑0.6
4/9 05:50	116.4	↑0.5
4/9 06:00	116.6	↑0.2	満潮
4/9 06:10	116.6	0
4/9 06:20	116.4	↓-0.2
4/9 06:30	116.0	↓-0.4
4/9 06:40	115.4	↓-0.6
4/9 06:50	114.6	↓-0.8
4/9 07:00	113.5	↓-1.1
4/9 07:10	112.3	↓-1.2
4/9 07:20	110.8	↓-1.5
4/9 07:30	109.1	↓-1.7
4/9 07:40	107.3	↓-1.8
4/9 07:50	105.2	↓-2.1
4/9 08:00	103.0	↓-2.2
4/9 08:10	100.6	↓-2.4
4/9 08:20	98.0	↓-2.6
4/9 08:30	95.3	↓-2.7
4/9 08:40	92.4	↓-2.9
4/9 08:50	89.4	↓-3.0
4/9 09:00	86.3	↓-3.1
4/9 09:10	83.1	↓-3.2
4/9 09:20	79.8	↓-3.3
4/9 09:30	76.5	↓-3.3
4/9 09:40	73.0	↓-3.5	最大潮位差
4/9 09:50	69.6	↓-3.4
4/9 10:00	66.2	↓-3.4
4/9 10:10	62.7	↓-3.5	最大潮位差
4/9 10:20	59.3	↓-3.4
4/9 10:30	56.0	↓-3.3
4/9 10:40	52.7	↓-3.3
4/9 10:50	49.5	↓-3.2
4/9 11:00	46.4	↓-3.1
4/9 11:10	43.4	↓-3.0
4/9 11:20	40.6	↓-2.8
4/9 11:30	37.9	↓-2.7
4/9 11:40	35.3	↓-2.6
4/9 11:50	33.0	↓-2.3
4/9 12:00	30.8	↓-2.2
4/9 12:10	28.7	↓-2.1
4/9 12:20	26.9	↓-1.8
4/9 12:30	25.3	↓-1.6
4/9 12:40	23.9	↓-1.4
4/9 12:50	22.7	↓-1.2
4/9 13:00	21.7	↓-1.0
4/9 13:10	21.0	↓-0.7
4/9 13:20	20.4	↓-0.6
4/9 13:30	20.1	↓-0.3
4/9 13:40	20.0	↓-0.1	干潮
4/9 13:50	20.1	↑0.1
4/9 14:00	20.4	↑0.3
4/9 14:10	21.0	↑0.6
4/9 14:20	21.8	↑0.8
4/9 14:30	22.8	↑1.0
4/9 14:40	24.0	↑1.2
4/9 14:50	25.4	↑1.4
4/9 15:00	26.9	↑1.5
4/9 15:10	28.7	↑1.8
4/9 15:20	30.7	↑2.0
4/9 15:30	32.8	↑2.1
4/9 15:40	35.0	↑2.2
4/9 15:50	37.4	↑2.4
4/9 16:00	39.8	↑2.4
4/9 16:10	42.4	↑2.6
4/9 16:20	45.1	↑2.7
4/9 16:30	47.8	↑2.7
4/9 16:40	50.5	↑2.7
4/9 16:50	53.2	↑2.7
4/9 17:00	56.0	↑2.8
4/9 17:10	58.7	↑2.7
4/9 17:20	61.4	↑2.7
4/9 17:30	64.1	↑2.7
4/9 17:40	66.7	↑2.6
4/9 17:50	69.2	↑2.5
4/9 18:00	71.6	↑2.4
4/9 18:10	74.0	↑2.4
4/9 18:20	76.2	↑2.2
4/9 18:30	78.3	↑2.1
4/9 18:40	80.3	↑2.0
4/9 18:50	82.1	↑1.8
4/9 19:00	83.8	↑1.7
4/9 19:10	85.4	↑1.6
4/9 19:20	86.8	↑1.4
4/9 19:30	88.1	↑1.3
4/9 19:40	89.2	↑1.1
4/9 19:50	90.2	↑1.0
4/9 20:00	91.0	↑0.8
4/9 20:10	91.7	↑0.7
4/9 20:20	92.2	↑0.5
4/9 20:30	92.6	↑0.4
4/9 20:40	92.8	↑0.2
4/9 20:50	92.9	↑0.1	満潮
4/9 21:00	92.9	0
4/9 21:10	92.7	↓-0.2
4/9 21:20	92.4	↓-0.3
4/9 21:30	92.0	↓-0.4
4/9 21:40	91.6	↓-0.4
4/9 21:50	91.0	↓-0.6
4/9 22:00	90.3	↓-0.7
4/9 22:10	89.6	↓-0.7
4/9 22:20	88.9	↓-0.7
4/9 22:30	88.1	↓-0.8
4/9 22:40	87.3	↓-0.8
4/9 22:50	86.5	↓-0.8
4/9 23:00	85.7	↓-0.8
4/9 23:10	85.0	↓-0.7
4/9 23:20	84.2	↓-0.8
4/9 23:30	83.5	↓-0.7
4/9 23:40	82.9	↓-0.6
4/9 23:50	82.3	↓-0.6