09 (土)	04:33	11:07	17:55	23:15
	109cm	8cm	108cm	55cm
中潮 出 05:14 入 18:07 出 20:06 入 05:59 潮干狩り ◎ 09:02～13:14

那珂湊（茨城）2050年04月09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	53.7	↑1.6
4/9 00:10	55.6	↑1.9
4/9 00:20	57.6	↑2.0
4/9 00:30	59.8	↑2.2
4/9 00:40	62.1	↑2.3
4/9 00:50	64.5	↑2.4
4/9 01:00	67.1	↑2.6
4/9 01:10	69.7	↑2.6
4/9 01:20	72.4	↑2.7
4/9 01:30	75.2	↑2.8
4/9 01:40	77.9	↑2.7
4/9 01:50	80.7	↑2.8
4/9 02:00	83.4	↑2.7
4/9 02:10	86.1	↑2.7
4/9 02:20	88.7	↑2.6
4/9 02:30	91.3	↑2.6
4/9 02:40	93.7	↑2.4
4/9 02:50	96.1	↑2.4
4/9 03:00	98.2	↑2.1
4/9 03:10	100.3	↑2.1
4/9 03:20	102.1	↑1.8
4/9 03:30	103.8	↑1.7
4/9 03:40	105.2	↑1.4
4/9 03:50	106.4	↑1.2
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	108.8	↑0.2	満潮
4/9 04:40	108.7	↓-0.1
4/9 04:50	108.3	↓-0.4
4/9 05:00	107.6	↓-0.7
4/9 05:10	106.7	↓-0.9
4/9 05:20	105.5	↓-1.2
4/9 05:30	104.0	↓-1.5
4/9 05:40	102.2	↓-1.8
4/9 05:50	100.1	↓-2.1
4/9 06:00	97.7	↓-2.4
4/9 06:10	95.1	↓-2.6
4/9 06:20	92.3	↓-2.8
4/9 06:30	89.2	↓-3.1
4/9 06:40	86.0	↓-3.2
4/9 06:50	82.5	↓-3.5
4/9 07:00	78.9	↓-3.6
4/9 07:10	75.1	↓-3.8
4/9 07:20	71.2	↓-3.9
4/9 07:30	67.2	↓-4.0
4/9 07:40	63.1	↓-4.1
4/9 07:50	59.0	↓-4.1
4/9 08:00	54.9	↓-4.1
4/9 08:10	50.7	↓-4.2	最大潮位差
4/9 08:20	46.7	↓-4.0
4/9 08:30	42.7	↓-4.0
4/9 08:40	38.8	↓-3.9
4/9 08:50	35.0	↓-3.8
4/9 09:00	31.4	↓-3.6
4/9 09:10	27.9	↓-3.5
4/9 09:20	24.7	↓-3.2
4/9 09:30	21.7	↓-3.0
4/9 09:40	18.9	↓-2.8
4/9 09:50	16.4	↓-2.5
4/9 10:00	14.2	↓-2.2
4/9 10:10	12.2	↓-2.0
4/9 10:20	10.6	↓-1.6
4/9 10:30	9.3	↓-1.3
4/9 10:40	8.3	↓-1.0
4/9 10:50	7.6	↓-0.7
4/9 11:00	7.2	↓-0.4	干潮
4/9 11:10	7.2	0
4/9 11:20	7.5	↑0.3
4/9 11:30	8.2	↑0.7
4/9 11:40	9.1	↑0.9
4/9 11:50	10.3	↑1.2
4/9 12:00	11.9	↑1.6
4/9 12:10	13.7	↑1.8
4/9 12:20	15.8	↑2.1
4/9 12:30	18.1	↑2.3
4/9 12:40	20.7	↑2.6
4/9 12:50	23.5	↑2.8
4/9 13:00	26.5	↑3.0
4/9 13:10	29.7	↑3.2
4/9 13:20	33.0	↑3.3
4/9 13:30	36.5	↑3.5
4/9 13:40	40.0	↑3.5
4/9 13:50	43.7	↑3.7
4/9 14:00	47.5	↑3.8
4/9 14:10	51.3	↑3.8
4/9 14:20	55.1	↑3.8
4/9 14:30	58.9	↑3.8
4/9 14:40	62.8	↑3.9
4/9 14:50	66.5	↑3.7
4/9 15:00	70.3	↑3.8
4/9 15:10	73.9	↑3.6
4/9 15:20	77.5	↑3.6
4/9 15:30	80.9	↑3.4
4/9 15:40	84.2	↑3.3
4/9 15:50	87.3	↑3.1
4/9 16:00	90.3	↑3.0
4/9 16:10	93.0	↑2.7
4/9 16:20	95.6	↑2.6
4/9 16:30	97.9	↑2.3
4/9 16:40	100.0	↑2.1
4/9 16:50	101.9	↑1.9
4/9 17:00	103.5	↑1.6
4/9 17:10	104.8	↑1.3
4/9 17:20	105.9	↑1.1
4/9 17:30	106.7	↑0.8
4/9 17:40	107.2	↑0.5
4/9 17:50	107.4	↑0.2	満潮
4/9 18:00	107.4	0
4/9 18:10	107.1	↓-0.3
4/9 18:20	106.5	↓-0.6
4/9 18:30	105.7	↓-0.8
4/9 18:40	104.6	↓-1.1
4/9 18:50	103.3	↓-1.3
4/9 19:00	101.7	↓-1.6
4/9 19:10	100.0	↓-1.7
4/9 19:20	98.1	↓-1.9
4/9 19:30	96.0	↓-2.1
4/9 19:40	93.8	↓-2.2
4/9 19:50	91.4	↓-2.4
4/9 20:00	88.9	↓-2.5
4/9 20:10	86.4	↓-2.5
4/9 20:20	83.8	↓-2.6
4/9 20:30	81.2	↓-2.6
4/9 20:40	78.6	↓-2.6
4/9 20:50	76.0	↓-2.6
4/9 21:00	73.5	↓-2.5
4/9 21:10	71.1	↓-2.4
4/9 21:20	68.7	↓-2.4
4/9 21:30	66.5	↓-2.2
4/9 21:40	64.4	↓-2.1
4/9 21:50	62.4	↓-2.0
4/9 22:00	60.7	↓-1.7
4/9 22:10	59.1	↓-1.6
4/9 22:20	57.7	↓-1.4
4/9 22:30	56.6	↓-1.1
4/9 22:40	55.7	↓-0.9
4/9 22:50	55.0	↓-0.7
4/9 23:00	54.5	↓-0.5
4/9 23:10	54.3	↓-0.2	干潮
4/9 23:20	54.4	↑0.1
4/9 23:30	54.6	↑0.2
4/9 23:40	55.1	↑0.5
4/9 23:50	55.8	↑0.7