09 (火)	03:00	09:05	15:26	21:32
	106cm	25cm	116cm	31cm
大潮 出 05:14 入 18:07 出 16:53 入 03:58 潮干狩り ○ 07:59～10:09

那珂湊（茨城）2047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	67.3	↑3.4
4/9 00:10	70.7	↑3.4
4/9 00:20	74.1	↑3.4
4/9 00:30	77.4	↑3.3
4/9 00:40	80.5	↑3.1
4/9 00:50	83.6	↑3.1
4/9 01:00	86.6	↑3.0
4/9 01:10	89.4	↑2.8
4/9 01:20	92.0	↑2.6
4/9 01:30	94.4	↑2.4
4/9 01:40	96.7	↑2.3
4/9 01:50	98.7	↑2.0
4/9 02:00	100.4	↑1.7
4/9 02:10	101.9	↑1.5
4/9 02:20	103.2	↑1.3
4/9 02:30	104.1	↑0.9
4/9 02:40	104.8	↑0.7
4/9 02:50	105.2	↑0.4	満潮
4/9 03:00	105.4	↑0.2	満潮
4/9 03:10	105.2	↓-0.2
4/9 03:20	104.7	↓-0.5
4/9 03:30	104.0	↓-0.7
4/9 03:40	102.9	↓-1.1
4/9 03:50	101.6	↓-1.3
4/9 04:00	100.1	↓-1.5
4/9 04:10	98.2	↓-1.9
4/9 04:20	96.2	↓-2.0
4/9 04:30	93.8	↓-2.4
4/9 04:40	91.3	↓-2.5
4/9 04:50	88.6	↓-2.7
4/9 05:00	85.7	↓-2.9
4/9 05:10	82.7	↓-3.0
4/9 05:20	79.5	↓-3.2
4/9 05:30	76.2	↓-3.3
4/9 05:40	72.8	↓-3.4
4/9 05:50	69.4	↓-3.4
4/9 06:00	65.9	↓-3.5
4/9 06:10	62.4	↓-3.5
4/9 06:20	58.9	↓-3.5
4/9 06:30	55.5	↓-3.4
4/9 06:40	52.1	↓-3.4
4/9 06:50	48.8	↓-3.3
4/9 07:00	45.7	↓-3.1
4/9 07:10	42.7	↓-3.0
4/9 07:20	39.8	↓-2.9
4/9 07:30	37.1	↓-2.7
4/9 07:40	34.7	↓-2.4
4/9 07:50	32.5	↓-2.2
4/9 08:00	30.5	↓-2.0
4/9 08:10	28.8	↓-1.7
4/9 08:20	27.3	↓-1.5
4/9 08:30	26.1	↓-1.2
4/9 08:40	25.3	↓-0.8
4/9 08:50	24.7	↓-0.6
4/9 09:00	24.4	↓-0.3	干潮
4/9 09:10	24.5	↑0.1
4/9 09:20	24.8	↑0.3
4/9 09:30	25.5	↑0.7
4/9 09:40	26.4	↑0.9
4/9 09:50	27.7	↑1.3
4/9 10:00	29.2	↑1.5
4/9 10:10	31.0	↑1.8
4/9 10:20	33.1	↑2.1
4/9 10:30	35.4	↑2.3
4/9 10:40	38.0	↑2.6
4/9 10:50	40.7	↑2.7
4/9 11:00	43.7	↑3.0
4/9 11:10	46.8	↑3.1
4/9 11:20	50.1	↑3.3
4/9 11:30	53.6	↑3.5
4/9 11:40	57.1	↑3.5
4/9 11:50	60.7	↑3.6
4/9 12:00	64.4	↑3.7
4/9 12:10	68.1	↑3.7
4/9 12:20	71.9	↑3.8	最大潮位差
4/9 12:30	75.6	↑3.7
4/9 12:40	79.2	↑3.6
4/9 12:50	82.8	↑3.6
4/9 13:00	86.4	↑3.6
4/9 13:10	89.8	↑3.4
4/9 13:20	93.0	↑3.2
4/9 13:30	96.2	↑3.2
4/9 13:40	99.1	↑2.9
4/9 13:50	101.8	↑2.7
4/9 14:00	104.3	↑2.5
4/9 14:10	106.6	↑2.3
4/9 14:20	108.7	↑2.1
4/9 14:30	110.4	↑1.7
4/9 14:40	111.9	↑1.5
4/9 14:50	113.2	↑1.3
4/9 15:00	114.1	↑0.9
4/9 15:10	114.7	↑0.6
4/9 15:20	115.0	↑0.3	満潮
4/9 15:30	115.0	0
4/9 15:40	114.7	↓-0.3
4/9 15:50	114.1	↓-0.6
4/9 16:00	113.2	↓-0.9
4/9 16:10	112.0	↓-1.2
4/9 16:20	110.5	↓-1.5
4/9 16:30	108.7	↓-1.8
4/9 16:40	106.7	↓-2.0
4/9 16:50	104.4	↓-2.3
4/9 17:00	101.9	↓-2.5
4/9 17:10	99.2	↓-2.7
4/9 17:20	96.2	↓-3.0
4/9 17:30	93.1	↓-3.1
4/9 17:40	89.9	↓-3.2
4/9 17:50	86.5	↓-3.4
4/9 18:00	83.0	↓-3.5
4/9 18:10	79.5	↓-3.5
4/9 18:20	75.9	↓-3.6
4/9 18:30	72.2	↓-3.7
4/9 18:40	68.6	↓-3.6
4/9 18:50	65.0	↓-3.6
4/9 19:00	61.5	↓-3.5
4/9 19:10	58.0	↓-3.5
4/9 19:20	54.7	↓-3.3
4/9 19:30	51.5	↓-3.2
4/9 19:40	48.5	↓-3.0
4/9 19:50	45.6	↓-2.9
4/9 20:00	43.0	↓-2.6
4/9 20:10	40.6	↓-2.4
4/9 20:20	38.4	↓-2.2
4/9 20:30	36.5	↓-1.9
4/9 20:40	34.8	↓-1.7
4/9 20:50	33.4	↓-1.4
4/9 21:00	32.4	↓-1.0
4/9 21:10	31.6	↓-0.8
4/9 21:20	31.1	↓-0.5
4/9 21:30	30.9	↓-0.2	干潮
4/9 21:40	31.0	↑0.1
4/9 21:50	31.5	↑0.5
4/9 22:00	32.2	↑0.7
4/9 22:10	33.2	↑1.0
4/9 22:20	34.5	↑1.3
4/9 22:30	36.1	↑1.6
4/9 22:40	37.9	↑1.8
4/9 22:50	40.0	↑2.1
4/9 23:00	42.2	↑2.2
4/9 23:10	44.7	↑2.5
4/9 23:20	47.4	↑2.7
4/9 23:30	50.3	↑2.9
4/9 23:40	53.3	↑3.0
4/9 23:50	56.4	↑3.1