09 (日)	03:27	09:42	16:16	22:08
	109cm	12cm	119cm	39cm
大潮 出 05:13 入 18:08 出 18:08 入 04:33 潮干狩り ◎ 07:53～11:30

那珂湊（茨城）2028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	59.5	↑3.3
4/9 00:10	62.9	↑3.4
4/9 00:20	66.3	↑3.4
4/9 00:30	69.7	↑3.4
4/9 00:40	73.1	↑3.4
4/9 00:50	76.5	↑3.4
4/9 01:00	79.8	↑3.3
4/9 01:10	83.0	↑3.2
4/9 01:20	86.1	↑3.1
4/9 01:30	89.2	↑3.1
4/9 01:40	92.0	↑2.8
4/9 01:50	94.7	↑2.7
4/9 02:00	97.2	↑2.5
4/9 02:10	99.4	↑2.2
4/9 02:20	101.5	↑2.1
4/9 02:30	103.3	↑1.8
4/9 02:40	104.8	↑1.5
4/9 02:50	106.0	↑1.2
4/9 03:00	107.0	↑1.0
4/9 03:10	107.6	↑0.6
4/9 03:20	108.0	↑0.4	満潮
4/9 03:30	108.0	0
4/9 03:40	107.7	↓-0.3
4/9 03:50	107.1	↓-0.6
4/9 04:00	106.2	↓-0.9
4/9 04:10	104.9	↓-1.3
4/9 04:20	103.4	↓-1.5
4/9 04:30	101.6	↓-1.8
4/9 04:40	99.4	↓-2.2
4/9 04:50	97.0	↓-2.4
4/9 05:00	94.4	↓-2.6
4/9 05:10	91.5	↓-2.9
4/9 05:20	88.3	↓-3.2
4/9 05:30	85.0	↓-3.3
4/9 05:40	81.5	↓-3.5
4/9 05:50	77.8	↓-3.7
4/9 06:00	74.0	↓-3.8
4/9 06:10	70.1	↓-3.9
4/9 06:20	66.1	↓-4.0
4/9 06:30	62.1	↓-4.0
4/9 06:40	58.0	↓-4.1
4/9 06:50	54.0	↓-4.0
4/9 07:00	49.9	↓-4.1
4/9 07:10	46.0	↓-3.9
4/9 07:20	42.2	↓-3.8
4/9 07:30	38.4	↓-3.8
4/9 07:40	34.9	↓-3.5
4/9 07:50	31.5	↓-3.4
4/9 08:00	28.3	↓-3.2
4/9 08:10	25.3	↓-3.0
4/9 08:20	22.6	↓-2.7
4/9 08:30	20.1	↓-2.5
4/9 08:40	18.0	↓-2.1
4/9 08:50	16.1	↓-1.9
4/9 09:00	14.5	↓-1.6
4/9 09:10	13.3	↓-1.2
4/9 09:20	12.4	↓-0.9
4/9 09:30	11.9	↓-0.5
4/9 09:40	11.7	↓-0.2	干潮
4/9 09:50	11.8	↑0.1
4/9 10:00	12.3	↑0.5
4/9 10:10	13.1	↑0.8
4/9 10:20	14.3	↑1.2
4/9 10:30	15.7	↑1.4
4/9 10:40	17.5	↑1.8
4/9 10:50	19.7	↑2.2
4/9 11:00	22.1	↑2.4
4/9 11:10	24.7	↑2.6
4/9 11:20	27.7	↑3.0
4/9 11:30	30.8	↑3.1
4/9 11:40	34.2	↑3.4
4/9 11:50	37.8	↑3.6
4/9 12:00	41.6	↑3.8
4/9 12:10	45.5	↑3.9
4/9 12:20	49.5	↑4.0
4/9 12:30	53.6	↑4.1
4/9 12:40	57.8	↑4.2
4/9 12:50	62.0	↑4.2
4/9 13:00	66.3	↑4.3	最大潮位差
4/9 13:10	70.5	↑4.2
4/9 13:20	74.7	↑4.2
4/9 13:30	78.9	↑4.2
4/9 13:40	82.9	↑4.0
4/9 13:50	86.9	↑4.0
4/9 14:00	90.7	↑3.8
4/9 14:10	94.3	↑3.6
4/9 14:20	97.8	↑3.5
4/9 14:30	101.0	↑3.2
4/9 14:40	104.0	↑3.0
4/9 14:50	106.8	↑2.8
4/9 15:00	109.3	↑2.5
4/9 15:10	111.5	↑2.2
4/9 15:20	113.4	↑1.9
4/9 15:30	115.0	↑1.6
4/9 15:40	116.3	↑1.3
4/9 15:50	117.3	↑1.0
4/9 16:00	118.0	↑0.7
4/9 16:10	118.3	↑0.3	満潮
4/9 16:20	118.3	0
4/9 16:30	118.0	↓-0.3
4/9 16:40	117.3	↓-0.7
4/9 16:50	116.4	↓-0.9
4/9 17:00	115.1	↓-1.3
4/9 17:10	113.5	↓-1.6
4/9 17:20	111.7	↓-1.8
4/9 17:30	109.5	↓-2.2
4/9 17:40	107.1	↓-2.4
4/9 17:50	104.5	↓-2.6
4/9 18:00	101.7	↓-2.8
4/9 18:10	98.7	↓-3.0
4/9 18:20	95.5	↓-3.2
4/9 18:30	92.3	↓-3.2
4/9 18:40	88.8	↓-3.5
4/9 18:50	85.4	↓-3.4
4/9 19:00	81.8	↓-3.6
4/9 19:10	78.3	↓-3.5
4/9 19:20	74.7	↓-3.6
4/9 19:30	71.2	↓-3.5
4/9 19:40	67.7	↓-3.5
4/9 19:50	64.3	↓-3.4
4/9 20:00	61.1	↓-3.2
4/9 20:10	58.0	↓-3.1
4/9 20:20	55.0	↓-3.0
4/9 20:30	52.3	↓-2.7
4/9 20:40	49.7	↓-2.6
4/9 20:50	47.4	↓-2.3
4/9 21:00	45.3	↓-2.1
4/9 21:10	43.5	↓-1.8
4/9 21:20	42.0	↓-1.5
4/9 21:30	40.7	↓-1.3
4/9 21:40	39.8	↓-0.9
4/9 21:50	39.1	↓-0.7
4/9 22:00	38.7	↓-0.4	干潮
4/9 22:10	38.6	↓-0.1
4/9 22:20	38.9	↑0.3
4/9 22:30	39.4	↑0.5
4/9 22:40	40.2	↑0.8
4/9 22:50	41.3	↑1.1
4/9 23:00	42.7	↑1.4
4/9 23:10	44.3	↑1.6
4/9 23:20	46.2	↑1.9
4/9 23:30	48.3	↑2.1
4/9 23:40	50.6	↑2.3
4/9 23:50	53.1	↑2.5