9 (金)	04:35	11:18	18:19	23:26
	109cm	1cm	109cm	63cm
中潮 出 05:14 入 18:07 出 06:03 入 20:47 潮干狩り ◎ 08:58～13:43

那珂湊（茨城）2027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	56.8	↑1.4
4/9 00:10	58.4	↑1.6
4/9 00:20	60.1	↑1.7
4/9 00:30	62.0	↑1.9
4/9 00:40	64.1	↑2.1
4/9 00:50	66.3	↑2.2
4/9 01:00	68.6	↑2.3
4/9 01:10	71.1	↑2.5
4/9 01:20	73.6	↑2.5
4/9 01:30	76.1	↑2.5
4/9 01:40	78.7	↑2.6
4/9 01:50	81.3	↑2.6
4/9 02:00	83.9	↑2.6
4/9 02:10	86.5	↑2.6
4/9 02:20	89.0	↑2.5
4/9 02:30	91.5	↑2.5
4/9 02:40	93.9	↑2.4
4/9 02:50	96.1	↑2.2
4/9 03:00	98.3	↑2.2
4/9 03:10	100.2	↑1.9
4/9 03:20	102.1	↑1.9
4/9 03:30	103.7	↑1.6
4/9 03:40	105.1	↑1.4
4/9 03:50	106.4	↑1.3
4/9 04:00	107.4	↑1.0
4/9 04:10	108.1	↑0.7
4/9 04:20	108.6	↑0.5
4/9 04:30	108.9	↑0.3	満潮
4/9 04:40	108.8	↓-0.1
4/9 04:50	108.5	↓-0.3
4/9 05:00	107.9	↓-0.6
4/9 05:10	107.0	↓-0.9
4/9 05:20	105.9	↓-1.1
4/9 05:30	104.4	↓-1.5
4/9 05:40	102.7	↓-1.7
4/9 05:50	100.7	↓-2.0
4/9 06:00	98.4	↓-2.3
4/9 06:10	95.8	↓-2.6
4/9 06:20	93.0	↓-2.8
4/9 06:30	90.0	↓-3.0
4/9 06:40	86.7	↓-3.3
4/9 06:50	83.2	↓-3.5
4/9 07:00	79.5	↓-3.7
4/9 07:10	75.7	↓-3.8
4/9 07:20	71.7	↓-4.0
4/9 07:30	67.6	↓-4.1
4/9 07:40	63.4	↓-4.2
4/9 07:50	59.1	↓-4.3	最大潮位差
4/9 08:00	54.8	↓-4.3	最大潮位差
4/9 08:10	50.5	↓-4.3	最大潮位差
4/9 08:20	46.2	↓-4.3	最大潮位差
4/9 08:30	41.9	↓-4.3	最大潮位差
4/9 08:40	37.7	↓-4.2
4/9 08:50	33.6	↓-4.1
4/9 09:00	29.7	↓-3.9
4/9 09:10	25.9	↓-3.8
4/9 09:20	22.3	↓-3.6
4/9 09:30	18.8	↓-3.5
4/9 09:40	15.7	↓-3.1
4/9 09:50	12.7	↓-3.0
4/9 10:00	10.1	↓-2.6
4/9 10:10	7.7	↓-2.4
4/9 10:20	5.6	↓-2.1
4/9 10:30	3.9	↓-1.7
4/9 10:40	2.5	↓-1.4
4/9 10:50	1.4	↓-1.1
4/9 11:00	0.6	↓-0.8
4/9 11:10	0.2	↓-0.4	干潮
4/9 11:20	0.1	↓-0.1
4/9 11:30	0.4	↑0.3
4/9 11:40	1.0	↑0.6
4/9 11:50	1.9	↑0.9
4/9 12:00	3.1	↑1.2
4/9 12:10	4.7	↑1.6
4/9 12:20	6.5	↑1.8
4/9 12:30	8.6	↑2.1
4/9 12:40	11.0	↑2.4
4/9 12:50	13.7	↑2.7
4/9 13:00	16.5	↑2.8
4/9 13:10	19.6	↑3.1
4/9 13:20	22.9	↑3.3
4/9 13:30	26.3	↑3.4
4/9 13:40	29.9	↑3.6
4/9 13:50	33.7	↑3.8
4/9 14:00	37.5	↑3.8
4/9 14:10	41.4	↑3.9
4/9 14:20	45.4	↑4.0
4/9 14:30	49.5	↑4.1
4/9 14:40	53.5	↑4.0
4/9 14:50	57.5	↑4.0
4/9 15:00	61.6	↑4.1
4/9 15:10	65.5	↑3.9
4/9 15:20	69.4	↑3.9
4/9 15:30	73.2	↑3.8
4/9 15:40	76.9	↑3.7
4/9 15:50	80.5	↑3.6
4/9 16:00	83.9	↑3.4
4/9 16:10	87.2	↑3.3
4/9 16:20	90.2	↑3.0
4/9 16:30	93.1	↑2.9
4/9 16:40	95.8	↑2.7
4/9 16:50	98.2	↑2.4
4/9 17:00	100.4	↑2.2
4/9 17:10	102.4	↑2.0
4/9 17:20	104.1	↑1.7
4/9 17:30	105.5	↑1.4
4/9 17:40	106.7	↑1.2
4/9 17:50	107.6	↑0.9
4/9 18:00	108.2	↑0.6
4/9 18:10	108.5	↑0.3	満潮
4/9 18:20	108.6	↑0.1
4/9 18:30	108.4	↓-0.2
4/9 18:40	108.0	↓-0.4
4/9 18:50	107.3	↓-0.7
4/9 19:00	106.3	↓-1.0
4/9 19:10	105.2	↓-1.1
4/9 19:20	103.8	↓-1.4
4/9 19:30	102.3	↓-1.5
4/9 19:40	100.5	↓-1.8
4/9 19:50	98.6	↓-1.9
4/9 20:00	96.6	↓-2.0
4/9 20:10	94.5	↓-2.1
4/9 20:20	92.2	↓-2.3
4/9 20:30	90.0	↓-2.2
4/9 20:40	87.6	↓-2.4
4/9 20:50	85.3	↓-2.3
4/9 21:00	83.0	↓-2.3
4/9 21:10	80.6	↓-2.4
4/9 21:20	78.4	↓-2.2
4/9 21:30	76.2	↓-2.2
4/9 21:40	74.2	↓-2.0
4/9 21:50	72.2	↓-2.0
4/9 22:00	70.4	↓-1.8
4/9 22:10	68.8	↓-1.6
4/9 22:20	67.3	↓-1.5
4/9 22:30	66.0	↓-1.3
4/9 22:40	64.9	↓-1.1
4/9 22:50	64.0	↓-0.9
4/9 23:00	63.4	↓-0.6
4/9 23:10	62.9	↓-0.5
4/9 23:20	62.7	↓-0.2	干潮
4/9 23:30	62.7	0
4/9 23:40	62.9	↑0.2
4/9 23:50	63.3	↑0.4