19 (日)	08:08	01:42	21:24	14:56
	107cm	53cm	85cm	37cm
小潮 出 06:22 入 17:23 出 10:10 入 -

那珂湊（茨城）2040年02月19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
2/19 00:00	60.9	↓-1.6
2/19 00:10	59.4	↓-1.5
2/19 00:20	58.0	↓-1.4
2/19 00:30	56.8	↓-1.2
2/19 00:40	55.7	↓-1.1
2/19 00:50	54.7	↓-1.0
2/19 01:00	54.0	↓-0.7
2/19 01:10	53.3	↓-0.7
2/19 01:20	52.9	↓-0.4
2/19 01:30	52.6	↓-0.3
2/19 01:40	52.5	↓-0.1	干潮
2/19 01:50	52.6	↑0.1
2/19 02:00	52.8	↑0.2
2/19 02:10	53.2	↑0.4
2/19 02:20	53.8	↑0.6
2/19 02:30	54.5	↑0.7
2/19 02:40	55.4	↑0.9
2/19 02:50	56.5	↑1.1
2/19 03:00	57.7	↑1.2
2/19 03:10	59.0	↑1.3
2/19 03:20	60.4	↑1.4
2/19 03:30	62.0	↑1.6
2/19 03:40	63.7	↑1.7
2/19 03:50	65.4	↑1.7
2/19 04:00	67.3	↑1.9
2/19 04:10	69.3	↑2.0
2/19 04:20	71.3	↑2.0
2/19 04:30	73.3	↑2.0
2/19 04:40	75.4	↑2.1
2/19 04:50	77.6	↑2.2
2/19 05:00	79.7	↑2.1
2/19 05:10	81.9	↑2.2
2/19 05:20	84.0	↑2.1
2/19 05:30	86.2	↑2.2
2/19 05:40	88.3	↑2.1
2/19 05:50	90.3	↑2.0
2/19 06:00	92.3	↑2.0
2/19 06:10	94.3	↑2.0
2/19 06:20	96.1	↑1.8
2/19 06:30	97.8	↑1.7
2/19 06:40	99.4	↑1.6
2/19 06:50	100.9	↑1.5
2/19 07:00	102.2	↑1.3
2/19 07:10	103.4	↑1.2
2/19 07:20	104.4	↑1.0
2/19 07:30	105.3	↑0.9
2/19 07:40	105.9	↑0.6
2/19 07:50	106.4	↑0.5
2/19 08:00	106.6	↑0.2	満潮
2/19 08:10	106.7	↑0.1
2/19 08:20	106.5	↓-0.2
2/19 08:30	106.1	↓-0.4
2/19 08:40	105.5	↓-0.6
2/19 08:50	104.7	↓-0.8
2/19 09:00	103.7	↓-1.0
2/19 09:10	102.5	↓-1.2
2/19 09:20	101.1	↓-1.4
2/19 09:30	99.5	↓-1.6
2/19 09:40	97.7	↓-1.8
2/19 09:50	95.8	↓-1.9
2/19 10:00	93.7	↓-2.1
2/19 10:10	91.4	↓-2.3
2/19 10:20	89.1	↓-2.3
2/19 10:30	86.6	↓-2.5
2/19 10:40	84.0	↓-2.6
2/19 10:50	81.4	↓-2.6
2/19 11:00	78.6	↓-2.8	最大潮位差
2/19 11:10	75.9	↓-2.7
2/19 11:20	73.1	↓-2.8	最大潮位差
2/19 11:30	70.4	↓-2.7
2/19 11:40	67.6	↓-2.8	最大潮位差
2/19 11:50	64.9	↓-2.7
2/19 12:00	62.3	↓-2.6
2/19 12:10	59.7	↓-2.6
2/19 12:20	57.2	↓-2.5
2/19 12:30	54.8	↓-2.4
2/19 12:40	52.5	↓-2.3
2/19 12:50	50.4	↓-2.1
2/19 13:00	48.4	↓-2.0
2/19 13:10	46.5	↓-1.9
2/19 13:20	44.8	↓-1.7
2/19 13:30	43.2	↓-1.6
2/19 13:40	41.8	↓-1.4
2/19 13:50	40.6	↓-1.2
2/19 14:00	39.5	↓-1.1
2/19 14:10	38.6	↓-0.9
2/19 14:20	37.9	↓-0.7
2/19 14:30	37.4	↓-0.5
2/19 14:40	37.1	↓-0.3
2/19 14:50	36.9	↓-0.2	干潮
2/19 15:00	36.9	0
2/19 15:10	37.0	↑0.1
2/19 15:20	37.4	↑0.4
2/19 15:30	37.8	↑0.4
2/19 15:40	38.5	↑0.7
2/19 15:50	39.3	↑0.8
2/19 16:00	40.2	↑0.9
2/19 16:10	41.2	↑1.0
2/19 16:20	42.4	↑1.2
2/19 16:30	43.7	↑1.3
2/19 16:40	45.1	↑1.4
2/19 16:50	46.6	↑1.5
2/19 17:00	48.2	↑1.6
2/19 17:10	49.8	↑1.6
2/19 17:20	51.6	↑1.8
2/19 17:30	53.4	↑1.8
2/19 17:40	55.3	↑1.9
2/19 17:50	57.1	↑1.8
2/19 18:00	59.1	↑2.0
2/19 18:10	61.0	↑1.9
2/19 18:20	62.9	↑1.9
2/19 18:30	64.9	↑2.0
2/19 18:40	66.8	↑1.9
2/19 18:50	68.6	↑1.8
2/19 19:00	70.4	↑1.8
2/19 19:10	72.2	↑1.8
2/19 19:20	73.9	↑1.7
2/19 19:30	75.5	↑1.6
2/19 19:40	77.0	↑1.5
2/19 19:50	78.3	↑1.3
2/19 20:00	79.6	↑1.3
2/19 20:10	80.8	↑1.2
2/19 20:20	81.8	↑1.0
2/19 20:30	82.7	↑0.9
2/19 20:40	83.4	↑0.7
2/19 20:50	84.0	↑0.6
2/19 21:00	84.4	↑0.4
2/19 21:10	84.7	↑0.3
2/19 21:20	84.8	↑0.1	満潮
2/19 21:30	84.8	0
2/19 21:40	84.6	↓-0.2
2/19 21:50	84.3	↓-0.3
2/19 22:00	83.8	↓-0.5
2/19 22:10	83.3	↓-0.5
2/19 22:20	82.6	↓-0.7
2/19 22:30	81.8	↓-0.8
2/19 22:40	80.9	↓-0.9
2/19 22:50	79.9	↓-1.0
2/19 23:00	78.9	↓-1.0
2/19 23:10	77.8	↓-1.1
2/19 23:20	76.7	↓-1.1
2/19 23:30	75.5	↓-1.2
2/19 23:40	74.3	↓-1.2
2/19 23:50	73.2	↓-1.1